Top 100 US Patents in Batteries
section h - electricity > basic electric elements > processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
Sorted by IPQ® Score, an objective measure of patent quality. View scores and methodology at PatentRatings.com. You can also view all by publication date instead.
US4778735 (A), filed
Wed Dec 09 00:00:00 CST 1987
, published
Tue Oct 18 00:00:00 CDT 1988
- CRONRATH SCOTT J
A gang vent cap for commonly venting a plurality of cell apertures of a storage battery in which a vent cap having a cover and a base which define a selectively configured hollow enclosure. A venting path is defined within the hollow enclosure which interconne...
US6168886 (B1), filed
Tue Oct 06 00:00:00 CDT 1998
, published
Tue Jan 02 00:00:00 CST 2001
- ENSCI INC
A battery element of a lead acid battery including a negative plate, a positive plate and a separator having a macroporous high cross-link organic polymer having sulfonic functionality in at least one of the negative plate or separator to improve capacity...
US6824926 (B1), filed
Mon Jun 03 00:00:00 CDT 2002
, published
Tue Nov 30 00:00:00 CST 2004
- ENSCI INC
A battery element of a lead acid battery including a negative plate, a positive plate and a silica filled polyolefin separator having an additive associated with the separator that improves the overall efficiency of the lead acid battery.
US5411641 (A), filed
Mon Nov 22 00:00:00 CST 1993
, published
Tue May 02 00:00:00 CDT 1995
- DU PONT
The invention relates to a process for electrochemically converting anhydrous hydrogen halide, such as hydrogen chloride, hydrogen fluoride, hydrogen bromide and hydrogen iodide, to essentially dry halogen gas, such as chlorine, fluorine, bromine and iodine...
US6967183 (B2), filed
Thu Mar 22 00:00:00 CST 2001
, published
Tue Nov 22 00:00:00 CST 2005
- CABOT CORP
Electrocatalyst powders and methods for producing electrocatalyst powders, such as carbon composite electrocatalyst powders. The powders have a well-controlled microstructure and morphology. The method includes forming the particles from an aerosol of...
US7105596 (B2), filed
Fri Dec 28 00:00:00 CST 2001
, published
Tue Sep 12 00:00:00 CDT 2006
- UNIV RICE WILLIAM M
This invention relates generally to a method for producing composites of single-wall carbon nanotubes (SWNTs) and compositions thereof. In one embodiment, the present invention involves a method of producing a composite material that includes a matrix and a...
US6683783 (B1), filed
Wed Dec 22 00:00:00 CST 1999
, published
Tue Jan 27 00:00:00 CST 2004
- UNIV RICE WILLIAM M
A method for purifying a mixture comprising single-wall carbon nanotubes and amorphous carbon contaminate is disclosed. The method includes the steps of heating the mixture under oxidizing conditions sufficient to remove the amorphous carbon, followed by...
US4310609 (A), filed
Mon Dec 17 00:00:00 CST 1979
, published
Tue Jan 12 00:00:00 CST 1982
- GREATBATCH W LTD
An electrochemical cell incorporating cathode materials comprising at least one metal oxide, at least one metal, or mixture of metals or metal oxides incorporated in the matrix of a host metal oxide. The cathode materials of this invention are constructed by...
US6660244 (B2), filed
Mon Mar 19 00:00:00 CST 2001
, published
Tue Dec 09 00:00:00 CST 2003
- TOYOTA MOTOR CO LTD
The invention constructs a system which vaporizes a liquid raw material in a vaporizing section and steam-reforms the vaporized raw material in a reforming section to generate hydrogen. A pressure regulating valve for regulating the pressure in the vaporizing...
US5549990 (A), filed
Fri Aug 19 00:00:00 CDT 1994
, published
Tue Aug 27 00:00:00 CDT 1996
- ENSCI INC
A battery element comprising a porous substrate optionally having a coating of electrically conductive tin oxide on at least a portion of all three dimensions thereof. The porous substrate is useful in the positive active material of lead acid batteries.
US4709202 (A), filed
Thu Jun 19 00:00:00 CDT 1986
, published
Tue Nov 24 00:00:00 CST 1987
- NORAND CORP
In an exemplary embodiment, a battery conditioning system monitors battery conditioning and includes a memory for storing data based thereon; for example, data may be stored representative of available battery capacity as measured during a deep discharge...
US6855454 (B2), filed
Thu Dec 20 00:00:00 CST 2001
, published
Tue Feb 15 00:00:00 CST 2005
- EVEREADY BATTERY INC
A low profile collector and seal assembly for sealing the open end of a container of an electrochemical cell and providing venting of pressurized gases. An electrochemical cell has a can with a closed bottom end and an open top end, positive and negative...
US4254190 (A), filed
Mon Oct 01 00:00:00 CDT 1979
, published
Tue Mar 03 00:00:00 CST 1981
- ZAROMB SOLOMON
Apparatus and methods for generating heat and electricity from the consumption of a variety of aluminum products comprise: (a) a reaction chamber containing an aqueous electrolyte solution and adapted for introduction therein of aluminum pieces of various...
US6511771 (B1), filed
Tue May 29 00:00:00 CDT 2001
, published
Tue Jan 28 00:00:00 CST 2003
- ENSCI INC
A battery element of a lead acid battery including a negative plate, a positive and a separator having a metal inhibiting additive having a plurality of chemically different functional groups and an expander component associated with the negative plate that...
US7255954 (B2), filed
Thu Oct 24 00:00:00 CDT 2002
, published
Tue Aug 14 00:00:00 CDT 2007
- CABOT CORP
Electrocatalyst powders and energy devices fabricated using electrocatalyst powders and methods for making energy devices. The energy devices, such as fuel cells, have improved performance over a range of operating conditions.
US6096449 (A), filed
Wed Jul 01 00:00:00 CDT 1998
, published
Tue Aug 01 00:00:00 CDT 2000
- AVISTA LABS
The present invention relates to an improved fuel cell and method for controlling same having an anode and a cathode which produces an electrical current having a given voltage and current output and which includes a controller electrically coupled with the...
US5112706 (A), filed
Thu Aug 24 00:00:00 CDT 1989
, published
Tue May 12 00:00:00 CDT 1992
- ENSCI INC
A composition comprising an acid resistant substrate coated with electrically conductive, fluoride ion doped tin oxide.
US6841512 (B1), filed
Mon Mar 13 00:00:00 CST 2000
, published
Tue Jan 11 00:00:00 CST 2005
- OVONIC BATTERY CO
An inexpensive, highly catalytic material preferably formed by a leaching process. The catalyst comprises a finely divided metal particulate and a support. The active material may be a nickel and/or nickel nickel alloy particulate having a particle size less...
US5021308 (A), filed
Tue Jan 23 00:00:00 CST 1990
, published
Tue Jun 04 00:00:00 CDT 1991
- ELF AQUITAINE
An electrochemical cell with an electrolyte of an ionically conductive material comprised of a salt diluted in a liquid solvent. The salt is represented by one of the following formulas: M [RFSO2NSO2R'F]; M [RFSO2NCOR'F]; M [RFCONCOR'F]; IMAGE
US4988583 (A), filed
Wed Aug 30 00:00:00 CDT 1989
, published
Tue Jan 29 00:00:00 CST 1991
- HER MAJESTY THE QUEEN AS REPRE
US4246081 (A), filed
Fri Mar 02 00:00:00 CST 1979
, published
Tue Jan 20 00:00:00 CST 1981
- WINNICK JACK
A method of removing sulfur oxides of H2S from high temperature gas mixtures (150 DEG -1000 DEG C.) is the subject of the present invention. An electrochemical cell is employed. The cell is provided with inert electrodes and an electrolyte which will provide...
US5019463 (A), filed
Thu Oct 26 00:00:00 CDT 1989
, published
Tue May 28 00:00:00 CDT 1991
- YAMAHA MOTOR CO LTD
A fuel cell arrangement including an arrangement for improving start up by heating the fuel cell through supplying selectively heated exhaust gases from the reformer to the air port of the fuel cell.
US4305999 (A), filed
Mon Jul 12 00:00:00 CDT 1976
, published
Tue Dec 15 00:00:00 CST 1981
- ZAROMB SOLOMON
An electrochemical power generation apparatus and methods of control thereof are described. The power source comprises one or more electrochemical cells having an anode and an oxygen or hydrogen peroxide depolarized cathode, a liquid electrolyte solution,...
US4218520 (A), filed
Fri Mar 16 00:00:00 CST 1979
, published
Tue Aug 19 00:00:00 CDT 1980
- ZAROMB SOLOMON
Aluminum pieces of various shapes and sizes, up to a certain maximum predetermined size, are introduced upon demand into a reaction chamber wherein they react with an aqueous electrolyte solution to generate heat, electricity, and an aluminum hydroxide...
US7341803 (B2), filed
Fri Feb 28 00:00:00 CST 2003
, published
Tue Mar 11 00:00:00 CDT 2008
- EVEREADY BATTERY INC
An alkaline battery cell with improved high rate and high power discharge capacity is provided, without sacrificing capacity at low rate and low power, by adding at least a second anode or cathode, reducing the effective maximum electrode thicknesses, and...
US4369234 (A), filed
Thu Feb 26 00:00:00 CST 1981
, published
Tue Jan 18 00:00:00 CST 1983
- ZAROMB SOLOMON
Apparatus and methods for generating heat and electricity from the consumption of a variety of aluminum products comprise: (a) a reaction chamber containing an aqueous electrolyte solution and adapted for introduction therein of aluminum pieces of various...
US5028500 (A), filed
Thu May 11 00:00:00 CDT 1989
, published
Tue Jul 02 00:00:00 CDT 1991
- MOLI ENERGY LTD
A rechargeble battery of alkali metal, organic electrolyte type has a low surface area particulate carbonaceous electrode intercalable with the alkali metal and experiences little capacity loss upon intercalation of the carbonaceous electrode with the alkali...
US6517969 (B1), filed
Tue May 29 00:00:00 CDT 2001
, published
Tue Feb 11 00:00:00 CST 2003
- ENSCI INC
A battery element of a lead acid battery including a negative plate, a positive and a separator having a metal inhibiting additive and an expander component associated with the negative plate that reduces the detrimental effects of at least one impurity on the...
US7470478 (B2), filed
Tue Mar 09 00:00:00 CST 2004
, published
Tue Dec 30 00:00:00 CST 2008
- CALIFORNIA INST OF TECHN
Improvements to non acid methanol fuel cells include new formulations for materials. The platinum and ruthenium are more exactly mixed together. Different materials are substituted for these materials. The backing material for the fuel cell electrode is...
US5326652 (A), filed
Mon Jan 25 00:00:00 CST 1993
, published
Tue Jul 05 00:00:00 CDT 1994
- MICRON SEMICONDUCTOR INC
A battery package for a thin battery includes a flexible base film that covers and encloses the battery and a flexible layer of an inorganic material such as silicon nitride, aluminum nitride or aluminum oxide deposited on the base film to encapsulate and seal...
US5034289 (A), filed
Wed May 24 00:00:00 CDT 1989
, published
Tue Jul 23 00:00:00 CDT 1991
- MATSUSHITA ELECTRIC IND CO LTD
US5620808 (A), filed
Wed Jun 07 00:00:00 CDT 1995
, published
Tue Apr 15 00:00:00 CDT 1997
- BLACK DECKER INC
A battery pack 13 (FIG. 2) comprises an elongated cylindrical, metal casing 35, a plurality of cells 41, 43 in casing 35 and three coaxial pack terminals 46, 54, 61. For enhanced convenience, pack terminals 46, 54, 61 are electrically connectable in a cordless...
US6187478 (B1), filed
Fri Mar 20 00:00:00 CST 1998
, published
Tue Feb 13 00:00:00 CST 2001
- ENSCI INC
A battery element of a lead acid battery including a negative plate, a positive plate and a separator having a metal inhibiting additive that reduces the detrimental effects of at least one impurity on the negative plate.
US4425203 (A), filed
Thu May 20 00:00:00 CDT 1982
, published
Tue Jan 10 00:00:00 CST 1984
- OLIN CORP
An improved hydrogen evolution cathode with a conductive metal core and an integral Raney-type catalytic surface predominantly derived from an adherent ternary aluminide Beta structured intermetallic crystalline precursory outer portion of the metal core is...
US4405700 (A), filed
Tue Mar 17 00:00:00 CST 1981
, published
Tue Sep 20 00:00:00 CDT 1983
- GEN ELECTRIC
An improved electrode coating and separator coating derived from a copolymer of diacetone acrylamide and a polymerizable monomer.
US4925751 (A), filed
Wed Apr 26 00:00:00 CDT 1989
, published
Tue May 15 00:00:00 CDT 1990
- LUNDSGAARD JORGEN S
US5344728 (A), filed
Thu Nov 12 00:00:00 CST 1992
, published
Tue Sep 06 00:00:00 CDT 1994
- OVONIC BATTERY CO
A positive electrode for use in alkaline rechargeable electrochemical cells comprising: a material comprising a compositionally and structurally disordered multiphase nickel hydroxide host matrix which includes at least one modifier chosen from the group...
US6296960 (B1), filed
Mon Oct 06 00:00:00 CDT 1997
, published
Tue Oct 02 00:00:00 CDT 2001
- REVEO INC
Improved metal-air fuel cell battery systems having metal-fuel realized in the form of metal-fuel tape cartridges and metal-fuel cards, which can be either manually or automatically inserted within the power generation bay of the system. In order to produce a...
US5372605 (A), filed
Mon Aug 16 00:00:00 CDT 1993
, published
Tue Dec 13 00:00:00 CST 1994
- ANGEION CORP
An improved dual battery power system uses two separate battery power sources for an implantable cardioverter defibrillator, each having optimized characteristics for monitoring functions and for output energy delivery functions, respectively. The monitoring...
US7189471 (B2), filed
Fri Aug 08 00:00:00 CDT 2003
, published
Tue Mar 13 00:00:00 CDT 2007
- UNIV CALIFORNIA
A micro-electro-mechanical systems (MEMS) based thin-film fuel cells for electrical power applications. The MEMS-based fuel cell may be of a solid oxide type (SOFC), a solid polymer type (SPFC), or a proton exchange membrane type (PEMFC), and each fuel cell...
US7081267 (B2), filed
Tue Jul 08 00:00:00 CDT 2003
, published
Tue Jul 25 00:00:00 CDT 2006
- NANOPRODUCTS CORP
Methods to manufacture nanoscale particles comprising metals, alloys, intermetallics, ceramics are disclosed. The thermal energy is provided by plasma, internal energy, heat of reaction, microwave, electromagnetic, direct electric arc, pulsed electric arc...
US5439498 (A), filed
Tue Nov 09 00:00:00 CST 1993
, published
Tue Aug 08 00:00:00 CDT 1995
- EXIDE CORP
A mobile system for the remediation of a mixture of lead-contaminated soil and waste lead-acid battery casings includes a plasma arc furnace unit having a plasma arc torch which operates at a sufficiently elevated temperature to (i) convert the battery casings...
US6225001 (B1), filed
Tue Nov 02 00:00:00 CST 1999
, published
Tue May 01 00:00:00 CDT 2001
- WHITE EAGLE INTERNAT TECHNOLOG
An electrical battery has a positive electrode having a positive active mass; an electrolyte; a negative electrode separated by the electrolyte from the positive active mass; and a vessel forming a housing of the battery, the positive active mass being...
US6936381 (B2), filed
Fri Aug 06 00:00:00 CDT 2004
, published
Tue Aug 30 00:00:00 CDT 2005
- MOLTECH CORP
Provided is an anode for use in electrochemical cells, wherein the anode active layer has a first layer comprising lithium metal and a multi-layer structure comprising single ion conducting layers and crosslinked polymer layers in contact with the first layer...
US5108849 (A), filed
Thu Aug 16 00:00:00 CDT 1990
, published
Tue Apr 28 00:00:00 CDT 1992
- UNITED KINGDOM GOVERNMENT
Novel fluid flow field plates for use in a solid polymer electrolyte fuel cell include in a major surface thereof, multiple continuous open-faced fluid flow channels each of which traverses the central area of the plate surface in a serpentine manner. Each of...
US6770401 (B1), filed
Mon Mar 04 00:00:00 CST 2002
, published
Tue Aug 03 00:00:00 CDT 2004
- ENSCI INC
A battery element of a lead acid battery including a negative plate, a positive plate and a fiber mat separator having a micronized metal inhibiting additive associated with the fiber mat that reduces the detrimental effects of at least one cation metal...
US6949303 (B1), filed
Mon Apr 10 00:00:00 CDT 2000
, published
Tue Sep 27 00:00:00 CDT 2005
- JOHNSON ELECTRO MECHANICAL SYS
An electrochemical conversion system ( 10 ) is disclosed having a housing ( 11 ) divided by a hydrogen concentration cell ( 12 ) so as to define a first chamber ( 13 ) and a second chamber ( 14 ). A first mass of hydride material ( 17 ) is contained within the...
US5580437 (A), filed
Fri May 20 00:00:00 CDT 1994
, published
Tue Dec 03 00:00:00 CST 1996
- DU PONT
A particular anode comprising an electrochemically active material selected from the group consisting of the oxides of the elements tin, germanium and lead and mixtures comprising at least one of the respective oxides of such elements is useful in an...
US4416954 (A), filed
Mon Aug 18 00:00:00 CDT 1980
, published
Tue Nov 22 00:00:00 CST 1983
- ZAROMB SOLOMON
Methods and apparatus for the generation of energy from the oxidation of aluminum comprise means for breaking up the continuity of the passivating oxide layer on the aluminum surface by exposing said surface to a mercury-, indium- or gallium-containing...
US5137991 (A), filed
Thu Oct 19 00:00:00 CDT 1989
, published
Tue Aug 11 00:00:00 CDT 1992
- UNIV OHIO STATE RES FOUND
Self-prontonated sulfonic acid-substituted polyaniline compositions, processes for their preparation and uses therefor are disclosed. The sulfonated polyaniline compositions have faster electronic and optical responses to electrochemical potentials comparing...
US7273676 (B2), filed
Fri May 30 00:00:00 CDT 2003
, published
Tue Sep 25 00:00:00 CDT 2007
- BLACK DECKER INC
A battery pack 13 (FIG. 2 ) comprises an elongated cylindrical, metal casing 35, a plurality of cells 41, 43 in casing 35 and three coaxial pack terminals 46, 54, 61. For enhanced convenience, pack terminals 46, 54, 61 are electrically connectable in a...
US4351037 (A), filed
Thu Jan 10 00:00:00 CST 1980
, published
Tue Sep 21 00:00:00 CDT 1982
- SCHERBATSKOY SERGE ALEXANDER
A method and apparatus for continuously logging while drilling a well bore with a rotary drilling rig comprising a drill string, a jet type drill bit, and mud pump means for circulating fluid under pressure. The apparatus generally includes means for sensing...
US7306822 (B2), filed
Wed May 26 00:00:00 CDT 2004
, published
Tue Dec 11 00:00:00 CST 2007
- NANOPRODUCTS CORP
Electronic devices prepared from nanoscale powders are described. Methods for utilizing nanoscale powders and related nanotechnology to prepare capacitors, inductors, resistors, thermistors, varistors, filters, arrays, interconnects, optical components,...
US4321114 (A), filed
Tue Mar 11 00:00:00 CST 1980
, published
Tue Mar 23 00:00:00 CST 1982
- UNIVERSITY PATENTS INC
Conjugated polymers are doped with dopant ions to a preselected room temperature electrical conductivity ranging from that characteristic of semiconductor behavior to that characteristic of metallic behavior, by means of an electrochemical procedure wherein...
US4374712 (A), filed
Mon Sep 14 00:00:00 CDT 1981
, published
Tue Feb 22 00:00:00 CST 1983
- OLIN CORP
An improved cathode with a conductive metal core and a Raney-type catalytic surface predominately derived from an adherent ternary aluminide intermetallic crystalline precursory outer portion of the metal core is disclosed. The precursory outer portion...
US6506521 (B2), filed
Sat Dec 30 00:00:00 CST 2000
, published
Tue Jan 14 00:00:00 CST 2003
- ENSCI INC
A battery element of a lead acid battery including a negative plate, a positive plate and a separator having a metal inhibiting additive that reduces the detrimental effects of at least one impurity on the negative plate.
US5350645 (A), filed
Mon Jun 21 00:00:00 CDT 1993
, published
Tue Sep 27 00:00:00 CDT 1994
- MICRON SEMICONDUCTOR INC
Improved polymer batteries and improved methods of manufacturing such polymer batteries are provided. One improved method of manufacture involves the formation of a laminated array structure that includes a number of individual battery cells. After formation...
US4298667 (A), filed
Mon Jun 09 00:00:00 CDT 1980
, published
Tue Nov 03 00:00:00 CST 1981
- GEN ELECTRIC
An improved electrode coating and separator coating derived from a copolymer of diacetone acrylamide and a polymerizable monomer.
US5547551 (A), filed
Wed Mar 15 00:00:00 CST 1995
, published
Tue Aug 20 00:00:00 CDT 1996
- GORE ASS
An ultra-thin composite membrane is provided which includes a base material and an ion exchange resin. The base material is a membrane which is defined by a thickness of less than 1 mil (0.025 mm) and a microstructure characterized by nodes interconnected by...
US4466868 (A), filed
Fri Oct 28 00:00:00 CDT 1983
, published
Tue Aug 21 00:00:00 CDT 1984
- OLIN CORP
An electrolytic cell having an improved hydrogen evolution cathode, said cathode being characterized by a conductive metal core and an integral Raney-type catalytic surface predominantly derived from an adherent ternary aluminide Beta structured intermetallic...
US6818355 (B1), filed
Mon Mar 04 00:00:00 CST 2002
, published
Tue Nov 16 00:00:00 CST 2004
- ENSCI INC
A battery element of a lead acid battery including a negative plate, a positive plate and a silica filled polymeric separator having a micronized metal inhibiting additive associated with the separator that reduces the detrimental effects of at least one...
US4148976 (A), filed
Wed Jul 05 00:00:00 CDT 1978
, published
Tue Apr 10 00:00:00 CST 1979
- MATSUSHITA ELECTRIC IND CO LTD
A solid-state primary cell comprising a lithium anode, an iodine cathode containing a charge transfer complex and a solid lithium iodide electrolyte doped with a 1-normal-alkyl-pyridinium iodide. The anode surface can be coated with LiOH or Li3N. The iodine...
US5523179 (A), filed
Wed Nov 23 00:00:00 CST 1994
, published
Tue Jun 04 00:00:00 CDT 1996
- POLYPLUS BATTERY CO INC
Disclosed are battery cells comprising a sulfur-based positive composite electrode. Preferably, said cells are secondary cells, and more preferably thin film secondary cells. In one aspect, the cells can be in a solid-state or gel-state format wherein either a...
US4407913 (A), filed
Tue Mar 17 00:00:00 CST 1981
, published
Tue Oct 04 00:00:00 CDT 1983
- GEN ELECTRIC
An improved electrode coating and separator coating derived from a copolymer of diacetone acrylamide and a polymerizable monomer. This invention relates to novel rechargeable electrodes, separators and processes for preparing same.
US6777131 (B1), filed
Mon Mar 04 00:00:00 CST 2002
, published
Tue Aug 17 00:00:00 CDT 2004
- ENSCI INC
A battery element of a lead acid battery including a negative plate, a positive plate and a separator having a micronized metal inhibiting additive associated with the negative plate that reduces the detrimental effects of at least one cation metal impurity on...
US6517976 (B2), filed
Sat Dec 30 00:00:00 CST 2000
, published
Tue Feb 11 00:00:00 CST 2003
- ENSCI INC
A battery element of a lead acid battery including a negative plate, a positive plate and a separator having a metal inhibiting additive that reduces the detrimental effects of at least one impurity on the negative plate.
US4553081 (A), filed
Mon May 21 00:00:00 CDT 1984
, published
Tue Nov 12 00:00:00 CST 1985
- NORAND CORP
In a exemplary embodiment, a battery conditioning system monitors battery conditioning and includes a memory for storing data based thereon; for example, data may be stored representative of available battery capacity as measured during a deep discharge cycle....
US4702564 (A), filed
Thu Apr 03 00:00:00 CST 1986
, published
Tue Oct 27 00:00:00 CST 1987
- PARKER ROBERT
A device for testing a battery, particularly a small, portable battery, comprising a flexible, transparent substrate on which is deposited a narrow band of a black light absorbing material. A conductive material, which may taper outwardly in opposite...
US5694024 (A), filed
Thu Dec 12 00:00:00 CST 1996
, published
Tue Dec 02 00:00:00 CST 1997
- DALLAS SEMICONDUCTOR
A battery charger with charging parameter values derived from communication with a battery pack to be charged. Communication is over a one-wire bus with battery pack transmissions in response to charger inquiries. The battery charger may be in the form an...
US6677547 (B2), filed
Fri Nov 09 00:00:00 CST 2001
, published
Tue Jan 13 00:00:00 CST 2004
- MITSUBISHI HEAVY IND LTD
A method and an apparatus for classifying and recovering the main components of used batteries, particularly, a method and an apparatus by which the batteries are conveyed on a conveyor while an alternating magnetic field of a plurality of frequencies is...
US6984367 (B2), filed
Thu Jun 19 00:00:00 CDT 2003
, published
Tue Jan 10 00:00:00 CST 2006
- CHEMETALL GMBH
A process is described for the preparation of lithium iodide solutions by reacting a lithium-containing substance with elemental iodine, the lithium iodide being prepared in an aprotic solvent that can be used as a solvent in a liquid electrolyte solution.
US4668595 (A), filed
Fri May 09 00:00:00 CDT 1986
, published
Tue May 26 00:00:00 CDT 1987
- ASAHI CHEMICAL IND
This invention provides a secondary battery in a nonaqueous type using a substance indicated in I below and/or a substance indicated in II below as an active material for either of positive and negative electrodes: I: a composite oxide possessing a layer...
US6964827 (B2), filed
Wed Nov 07 00:00:00 CST 2001
, published
Tue Nov 15 00:00:00 CST 2005
- VALENCE TECHNOLOGY INC
The present invention relates to novel electrode active materials represented by the general formula ASUBa/SUBMSUBb/SUB(XYSUB4/SUB)SUBc/SUBZSUBd/SUB, wherein: (a) A is one or more alkali metals, and 0a=8; (b) M is at least one metal capable of undergoing...
US6509121 (B2), filed
Tue Jan 30 00:00:00 CST 2001
, published
Tue Jan 21 00:00:00 CST 2003
- ENSCI INC
A battery element of a lead acid battery including a negative plate, a positive plate and a separator having a metal inhibiting additive having a plurality of chemically different functional groups, associated with the separator that reduces the detrimental...
US7361424 (B2), filed
Fri Aug 08 00:00:00 CDT 2003
, published
Tue Apr 22 00:00:00 CDT 2008
- UNIV CALIFORNIA
A micro-electro-mechanical systems (MEMS) based thin-film fuel cells for electrical power applications. The MEMS-based fuel cell may be of a solid oxide type (SOFC), a solid polymer type (SPFC), or a proton exchange membrane type (PEMFC), and each fuel cell...
US4958084 (A), filed
Fri Dec 23 00:00:00 CST 1983
, published
Tue Sep 18 00:00:00 CDT 1990
- MR GASKET CO
An anti-theft device that is adapted to be connected adjacent to or on a battery of a motor vehicle and including a power switch for disconnecting the battery from its standard battery cable when current flowing through the cable exceeds a preselected...
US6797428 (B1), filed
Tue Nov 21 00:00:00 CST 2000
, published
Tue Sep 28 00:00:00 CDT 2004
- MOLTECH CORP
Provided is an anode for use in electrochemical cells, wherein the anode active layer has a first layer comprising lithium metal and a multi-layer structure comprising single ion conducting layers and crosslinked polymer layers in contact with the first layer...
US5618640 (A), filed
Thu Oct 20 00:00:00 CDT 1994
, published
Tue Apr 08 00:00:00 CDT 1997
- FUJI PHOTO FILM CO LTD
A nonaqueous secondary battery comprising a positive electrode active material, a negative electrode active material, and a lithium salt is disclosed, in which the negative electrode active material contains (1) a compound capable of intercalating and...
US4359510 (A), filed
Thu Jul 31 00:00:00 CDT 1980
, published
Tue Nov 16 00:00:00 CST 1982
- CELANESE CORP
The present invention is directed to microporous membranes having a surfactant impregnated therein which is coated on at least one surface thereof with a polymer coating, such as cellulose acetate. The polymer coating possesses functional groups in the...
US6190799 (B1), filed
Fri Mar 20 00:00:00 CST 1998
, published
Tue Feb 20 00:00:00 CST 2001
- ENSCI INC
A battery element of a lead acid battery including a negative plate, a positive and a separator having a metal inhibiting additive that reduces the detrimental effects of at least one impurity on the negative plate.
US4535040 (A), filed
Tue Dec 27 00:00:00 CST 1983
, published
Tue Aug 13 00:00:00 CDT 1985
- GEN MOTORS CORP
An expanded metal battery grid and process for making same which grid has a supporting border comprising a thermoplastic ribbon folded lengthwise around the grid's edge and ultrasonically bonded to itself through interstices in the grid.
US6939635 (B2), filed
Thu May 30 00:00:00 CDT 2002
, published
Tue Sep 06 00:00:00 CDT 2005
- PLUG POWER INC
A cogeneration fuel cell system and associated methods of operation are provided that accommodate a demand for heat as well as a demand for electric power. The system is operated among various modes to balance heat and power demand signals. In general, a fuel...
US5744261 (A), filed
Fri Dec 06 00:00:00 CST 1996
, published
Tue Apr 28 00:00:00 CDT 1998
- GREATBATCH W LTD
A lithium electrochemical cell including an anode and cathode assembly with the anode connected electrically to a conductive cell casing and an insulated cathode conductor extending through a lid at an end of the casing and connected to a cathode lead near the...
US6881294 (B2), filed
Mon Jan 10 00:00:00 CST 2000
, published
Tue Apr 19 00:00:00 CDT 2005
- MICRON TECHNOLOGY INC
A curable adhesive composition is provided which comprises an epoxy terminated silane. A thin profile battery and a substrate to which the thin profile battery is to be conductively connected are also provided. The curable adhesive composition is interposed...
US4296185 (A), filed
Fri Apr 25 00:00:00 CST 1980
, published
Tue Oct 20 00:00:00 CDT 1981
- CATANZARITE VINCENT OWEN
Electrochemical power cells having a cathode current collector, a combination liquid active cathode depolarizer electrolyte solvent and an anode that forms surface compounds when in intimate contact with the liquid cathode are enhanced by the addition of a...
US6974490 (B2), filed
Fri Dec 19 00:00:00 CST 2003
, published
Tue Dec 13 00:00:00 CST 2005
- DONALDSON CO INC
Filter arrangements include a barrier media in the form of fluted media treated with a deposit of fine fibers. The media is particularly advantageous in high temperature (greater than 140 to 240° F.) systems. Such systems may include engine systems, gas...
US6953640 (B2), filed
Mon May 20 00:00:00 CDT 2002
, published
Tue Oct 11 00:00:00 CDT 2005
- HITACHI CHEMICAL CO LTD
A graphite particle obtained by assembling or binding together a plurality of flat-shaped particles so that the planes of orientation are not parallel to one another, or a graphite particle in which aspect ratio is 5 or less or specific surface area is 8...
US7066976 (B2), filed
Thu Aug 01 00:00:00 CDT 2002
, published
Tue Jun 27 00:00:00 CDT 2006
- CABOT CORP
Electrocatalyst powders and methods for producing electrocatalyst powders, such as carbon composite electrocatalyst powders. The powders have a well-controlled microstructure and morphology. The method includes forming the particles from an aerosol of...
US7267905 (B2), filed
Mon Aug 11 00:00:00 CDT 2003
, published
Tue Sep 11 00:00:00 CDT 2007
- EVEREADY BATTERY INC
An adhesive closure for sealing closed the open end of an electrochemical cell container. The electrochemical cell comprises a can having an open end and a side wall, and positive and negative electrodes disposed in the can. The cell also has a cover disposed...
US5162177 (A), filed
Wed Mar 20 00:00:00 CST 1991
, published
Tue Nov 10 00:00:00 CST 1992
- ELF AQUITAINE
Ionically conductive material consisting essentially of a salt diluted in a liquid aprotic solvent. The salt is represented by one of the following formulas: M [RFSO2NSO2R'F] (I) M [RFSO2NCOR'F] (II) M [RFCONCOR'F] (III) IMAGE (IV) where M is an...
US6372377 (B1), filed
Mon Mar 08 00:00:00 CST 1999
, published
Tue Apr 16 00:00:00 CDT 2002
- OVONIC BATTERY CO
Mechanically and thermally improved rechargeable batteries and modules. The battery is prismatic in shape with an optimized thickness to width to height aspect ratio which provides the battery with balanced optimal properties when compared with prismatic...
US6294977 (B1), filed
Fri Apr 21 00:00:00 CDT 2000
, published
Tue Sep 25 00:00:00 CDT 2001
- THERM O DISC INC
A thermal switch assembly has a contact member of shape memory alloy sandwiched between a pair of electrically conductive outer members. A contact arm on the contact member has a deformed shape at normal temperatures and a recovered shape at elevated...
US6522067 (B1), filed
Mon Oct 25 00:00:00 CDT 1999
, published
Tue Feb 18 00:00:00 CST 2003
- BATTELLE MEMORIAL INSTITUTE
An encapsulated organic light emitting device. The device includes a first barrier stack comprising at least one first barrier layer and at least one first polymer layer. There is an organic light emitting layer stack adjacent to the first barrier stack. A...
US7211345 (B2), filed
Mon Aug 05 00:00:00 CDT 2002
, published
Tue May 01 00:00:00 CDT 2007
- CABOT CORP
Electrocatalyst powders and methods for producing electrocatalyst powders, such as carbon composite electrocatalyst powders. The powders have a well-controlled microstructure and morphology. The method includes forming the particles from an aerosol of...
US6344271 (B1), filed
Tue Mar 23 00:00:00 CST 1999
, published
Tue Feb 05 00:00:00 CST 2002
- NANOENERGY CORP
Nanoscale non-stoichiometric materials with unusual properties are disclosed. These materials offer a wide range of novel formulations for applications in catalysis, chemicals and fuels, electronics, electromagnetics, photonics, optics, sensors, electrochemica...
US5961672 (A), filed
Mon Jul 07 00:00:00 CDT 1997
, published
Tue Oct 05 00:00:00 CDT 1999
- MOLTECH CORP
The invention relates to thin film solid state electrochemical cells consisting of a lithium metal anode, a polymer electrolyte and a cathode, where the lithium anode has been stabilized with a polymer film capable of transmitting lithium ions. Methods for...
US5244757 (A), filed
Mon Jan 13 00:00:00 CST 1992
, published
Tue Sep 14 00:00:00 CDT 1993
- TOKYO SHIBAURA ELECTRIC CO
US5334464 (A), filed
Thu Aug 20 00:00:00 CDT 1992
, published
Tue Aug 02 00:00:00 CDT 1994
- BIPOLAR POWER CORP
The Lightweight Battery Plates disclosed and claimed in this patent application solve the problems encountered by previous attempts to construct practical bipolar plates for lead-acid batteries. One of the preferred embodiments of the present invention...
US4702563 (A), filed
Mon Apr 15 00:00:00 CST 1985
, published
Tue Oct 27 00:00:00 CST 1987
- PARKER ROBERT
A device for testing a battery, particularly a small, portable battery, comprising a flexible, transparent substrate on which is deposited a narrow band of a black light absorbing material. A conductive material, which tapers outwardly in opposite directions...
US5132551 (A), filed
Mon Aug 27 00:00:00 CDT 1990
, published
Tue Jul 21 00:00:00 CDT 1992
- WINNER JAMES E
An anti-theft device that is adapted to be connected adjacent to or on a battery of a motor vehicle and including a power switch for disconnecting the battery from its standard battery cable when current flowing through the cable exceeds a preselected...
