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7622224 |
Lithium storage cell presenting both a high electrical potential and a high lithium insertion capacity
A lithium storage cell comprises at least a first electrode comprising an active material wherein Li + cations can be inserted, a second electrode and an electrolyte. The active material of the...
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7479351 |
Electrode material for a lithium secondary battery, lithium secondary battery, and preparation method for the electrode material for a lithium secondary battery
Disclosed is an electrode material for a lithium secondary battery, a lithium secondary battery comprising the same, and a method for preparing the electrode material for a lithium secondary...
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7459235 |
Anode composition for lithium battery, and anode and lithium battery using the same
Provided are an anode composition for a lithium battery, and an anode and a lithium battery using the same. The anode composition can improve anode and battery characteristics while using water as...
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7452632 |
Negative active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery comprising same
A negative active material for a rechargeable lithium battery, a method for making the negative active material, and a rechargeable lithium battery including a carbonaceous material, which is...
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7435509 |
Electrode for a lithium cell
This invention relates to a positive electrode for an electrochemical cell or battery, and to an electrochemical cell or battery; the invention relates more specifically to a positive electrode for...
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7432001 |
Prevention of lithium deposition in nonaqueous electrolyte cells by electrolyte-to-cathode weight ratio
The prevention of lithium clusters from bridging between the negative and positive portions of a cell during discharge is described. This is done by limiting the amount of electrolyte in the cell,...
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7378189 |
Electrode material for lithium secondary battery, electrode structure employing electrode material, and lithium secondary battery having electrode structure
The present invention provides: an electrode material for a lithium secondary battery containing lithium boron mixed oxide having a monoclinic LiBO 2 structure and represented by a chemical...
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7316867 |
Method for manufacturing a multi-layered thin film for use as an anode in a lithium secondary battery
A thin film for an anode of a lithium secondary battery having a current collector and an anode active material layer formed thereon is provided. The anode active material layer is a multi-layered...
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7314685 |
Oxidized titanium as a cathodic current collector
A titanium substrate having a thickened outer oxidation layer provided thereon by a treatment process performed either in an air atmosphere at elevated temperatures or through electrolytic...
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7314492 |
Method for manufacturing alkaline battery
In a method in which the inside surface of the negative electrode cup of an alkaline battery is coated with metal or metal alloy having a higher hydrogen overpotential than copper, the mask used...
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7235329 |
Electrode material for non-aqueous solvent-secondary cell, electrode and secondary cell
An electrode material comprising a powdery mixture of a metal material (particularly, an intermetallic compound) and a capacitive carbon material each capable of doping and dedoping lithium, and an...
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7229717 |
Anode active material and battery using it
A battery with a high capacity and superior cycle characteristics, and an anode active material used for it are provided. An anode active material contains tin as a first element, a second element,...
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7211349 |
Silver vanadium oxide provided with a metal oxide coating
An improved cathode material for nonaqueous electrolyte lithium electrochemical cell is described. The preferred active material is ε-phase silver vanadium oxide (Ag 2 V 4 O 11 ) coated with a...
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7198869 |
High capacity and high rate batteries
Improved batteries described herein generally comprise an electrolyte having lithium ions and a cathode comprising submicron metal vanadium oxide particles. In some embodiments, the battery...
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7198867 |
Electrochemical generation, storage and reaction of hydrogen and oxygen
An electrolytic apparatus for using catalyst-coated hollow microspheres to produce gases, store them, and to make them available for later use. The apparatus uses catalyst-coated hollow...
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7118829 |
Preparation of copper silver vanadium oxide from γ-phase SVO starting material
The current invention relates to the preparation of an improved cathode active material for non-aqueous lithium electrochemical cell. In particular, the cathode active material comprises ε-phase...
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7056358 |
Method for using high rate lithium electrochemical cell containing SVO/CFchi/SVo sandwich cathodes having γ-SVO and mixture of γ-SVO/ε-SVO
A method for powering an implantable medical device with a lithium electrochemical cell having a sandwich cathode electrode of SVO/CF x /SVO active materials is described. A preferred cathode is of...
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7041414 |
Silver manganese oxide electrodes for lithium batteries
This invention relates to electrodes for non-aqueous lithium cells and batteries with silver manganese oxide positive electrodes, denoted Ag x MnO y , in which x and y are such that the manganese...
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7033699 |
Fuel cell cathodes and their fuel cells
Fuel cell cathodes and instant startup fuel cells employing the cathodes. The cathodes operate through the valency change mechanism of redox couples which uniquely provide multiple degrees of...
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7008726 |
Secondary battery electrode active materials and methods for making the same
The invention provides an electrochemical cell which includes a first electrode and a second electrode which is a counter electrode to said first electrode, and an electrolyte material interposed...
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6977124 |
Contoured casing for an electrochemical cell
The present invention provides an electrochemical cell of either a primary or a secondary chemistry housed in a casing having opposed major side walls of a contoured shape.
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6949313 |
Battery with a microcorrugated, microthin sheet of highly porous corroded metal
Microthin sheet technology is disclosed by which superior batteries are constructed which, among other things, accommodate the requirements for high load rapid discharge and recharge, mandated by...
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6932955 |
Powder material, electrode structure, production processes thereof, and secondary lithium battery
Disclosed herein is a powder material comprising a compound which electrochemically intercalates and deintercalates a lithium ion, wherein the powder material is comprised mainly of a compound...
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6926999 |
Positive electrode active material for alkaline cell
A cathode active material for alkaline electrochemical cells comprising an Ag—Bi-M-containing oxidation product produced by oxidizing with an oxidizing agent an Ag—Bi-M-containing neutralized...
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6926991 |
SVO/CFx parallel cell design within the same casing
A new cathode design has a first cathode active material of a relatively low energy density but of a relatively high rate capability contacted to a first cathode current collector and a second...
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6893772 |
Current collector for lithium electrode
An electrochemical cell and corresponding electrode assembly are described in which an alkali metal anode and a cathode assembly are wound together in a unidirectional winding having substantially...
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6878489 |
Lithium cell with improved cathode
A primary lithium cell having an anode comprising lithium and a cathode comprising electrochemically active material selected from silver copper oxides having the formula AgCuO 2 or Ag 2 Cu 2 O 3 ...
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6872490 |
Preparation for a cathode material by a two-step reduction/oxidation synthesis process
The current invention provides a method of preparing a cathode material in a sequential two-part reaction process. In the first step, silver nitrate and vanadium oxide are decomposed by heat under...
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6855378 |
Printing of electronic circuits and components
Methods are disclosed for printing ( 2-7 ) multilayer electronic components, and circuits on a surface ( 2 ), where at least one of the layers is formed by a redox reaction ( 6 ) occurring in a...
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6849574 |
Silver- and vanadium-containing multimetal oxide and its use
A multimetal oxide of the formula I
Ag a−b M b V 2 O x *c H 2 O, I
where...
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6844115 |
Highly conductive and stable nonaqueous electrolyte for lithium electrochemical cells
The present invention is directed to at least partially replacing PC and/or DME with a linear carbonate, preferably dimethyl carbonate, and a linear mono-ether, the most preferred being diisopropyl...
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6844112 |
Sheet for protecting paint films of automobiles
Sheets for protecting paint films of automobiles which can adhere with no wrinkle to paint films of automobiles and cover the same, even in curved surface portions, at a high reliability while...
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6824922 |
Thin film for anode of lithium secondary battery and manufacturing method thereof
A thin film for an anode of a lithium secondary battery having a current collector and an anode active material layer formed thereon is provided. The anode active material layer is a multi-layered...
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6803147 |
Silver vanadium oxide having low internal resistance and method of manufacture
The current invention relates to the preparation of an improved cathode active material for non-aqueous lithium electrochemical cell. In particular, the cathode active material comprises ε-phase...
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6797019 |
Electrochemical cell having an electrode of silver vanadium oxide coated to a current collector
The invention is directed to an SVO electrochemical cell having high rate capability. The cathode is produced by coating a mixture of an active material, conductive additives, a mixed binder, and...
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6794082 |
Alkaline battery
An alkaline battery constructed of a cathode can and an anode cup in such a way that an open end of the cathode can is sealed by the anode cup, with a gasket interposed between them, characterized...
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6783888 |
Control of cell swelling by the proper choice of carbon monofluoride (CFx) cathode materials in high rate defibrillator cells
The minimization or elimination of swelling in lithium cells containing CF x as part of the cathode electrode and discharged under high rate applications is described. When CF x materials are...
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6761997 |
Positive electrode material and battery for nonaquous electrolyte secondary battery
A positive electrode active material for a nonaqueous electrolyte secondary battery includes at least a lithium-containing manganese layered composite oxide represented by the formula Li 1-x A x...
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6759166 |
Alkaline cell with improved cathode
An alkaline cell having an anode comprising zinc, an alkaline electrolyte solution, a separator, and a cathode comprising silver copper oxide AgCuO 2 , or Ag 2 Cu 2 O 3 , desirably in admixture...
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6759164 |
Use of heat-treated electrodes containing a polyamic acid-PVDF binder mixture
A mixture of polymeric binders that is insoluble in nonaqueous organic electrolytes activating alkali metal or alkali metal ion electrochemical cells, is described. The mixed binder formulation...
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6753109 |
Alkaline cell with improved cathode
An alkaline cell having an anode comprising zinc, an alkaline electrolyte solution, a separator, and a cathode comprising silver copper oxide selected from the compounds AgCuO 2 Ag 2 Cu 2 O 3 or...
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6749967 |
Positive electrode active material and non-aqueous electrolyte cell
A positive electrode active material and a non-aqueous electrolyte cell which uses the positive electrode active material. The cell has a high discharge voltage without lowering the capacity and...
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6749966 |
Metal vanadium oxide particles
Laser pyrolysis can be used to produce directly metal vanadium oxide composite nanoparticles. To perform the pyrolysis a reactant stream is formed including a vanadium precursor and a second metal...
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6743550 |
Double current collector cathode design using chemically similar active materials for alkali metal electrochemical
The present invention relates to a new sandwich cathode design having two cathode active materials provided on opposite sides of a current collector. The respective active materials are similar in...
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6743547 |
Pellet process for double current collector screen cathode preparation
An electrode having the configuration: first active material/current collector/second active material is described. One of the electrode active materials in a cohesive form of active particles...
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6737191 |
Double current collector negative electrode design for alkali metal ion electrochemical cells
A new sandwich negative electrode design for a secondary cell is provided comprising a “sacrificial” alkali metal along with a carbonaceous anode material. In the case of a hard carbon anode...
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6730437 |
Anode for nonaqueous secondary electrochemical cells
The negative electrode or anode for a secondary electrochemical cell comprising a mixture of graphite or “hairy carbon” and a lithiated metal oxide, a lithiated mixed metal oxide or a lithiated...
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6727022 |
Powder process for double current collector screen cathode preparation
The present comprises an electrode having the configuration: first active material/current collector screen/second active material. When one of the active materials is in a powder form, it is...
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6696201 |
Electrochemical cell having a cathode of a mixed phase metal oxide and method of preparation
An electrochemical cell comprising an anode of a Group IA metal and a cathode of a mixed phase metal oxide prepared from a combination of starting materials comprising vanadium oxide and a mixture...
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6682854 |
Battery separator with fluoride-containing inorganic salt
Separator for silver-zinc batteries made of cellulose and containing insoluble fluoride ions which when placed next to the cathode slowly release and retard silver deposition thereon.
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