|
Match
|
Document |
Document Title |
|
|
7029793 |
Nonaqueous electrolyte lithium secondary cell
A nonaqueous electrolyte lithium secondary cell comprising a positive electrode ( 1 ), a negative electrode ( 2 ) and a nonaqueous electrolyte containing a lithium salt is characterized by that the...
|
|
|
7026070 |
Positive electrode active material, positive electrode and non-aqueous electrolyte secondary battery using thereof
A positive electrode active material for a secondary battery contains a spinel lithium manganese composite oxide expressed by a general formula of Li a (M x Mn 2−x−y A y )O 4 where x and y are...
|
|
|
7018741 |
Particulate positive electrode active material for a lithium secondary cell
A particulate positive electrode active material for a lithium secondary cell which satisfies high charge and discharge cyclic durability, high safety, high temperature storage properties, a high...
|
|
|
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...
|
|
|
7005211 |
Electrode, lithium battery having the electrode, and method of manufacturing the same
An electrode including a current collector and active material layers stacked on the current collector, and a lithium battery using the electrode. In the electrode, the active material layers...
|
|
|
6991874 |
Compositions suitable for electrochemical cells
The compositions comprise:
(a) from 1 to 99% by weight of a pigment (I) having a primary particle size of from 5 nm to 100 μm which is a solid Ia or a compound Ib which acts as cathode...
|
|
|
6986968 |
Cathode active material for lithium secondary cell and method for manufacturing the same
A cathode active material for a lithium secondary cell used in a cellular phone is disclosed. The cathode active material for the lithium secondary cell and the method the same having a high...
|
|
|
6986966 |
Battery with bifunctional electrolyte
A battery comprises an acid electrolyte in which a compound provides acidity to the electrolyte and further increases solubility of at least one metal in the redox pair. Especially preferred...
|
|
|
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.
|
|
|
6946222 |
Sintered nickel electrode for alkaline storage battery, method of forming the same, and alkaline storage battery
In a sintered nickel electrode for alkaline storage battery formed by filling nickel hydroxide as an active material into a porous sintered substrate and an alkaline storage battery using as its...
|
|
|
6939643 |
Lithium-material comprising an intermetallic lithium/transition metal pnictide phase for lithium batteries
The invention provides a rechargeable lithium-ion battery comprising the specific lithium composite exhibiting good charge-discharge cycle performance and mechanical properties. The...
|
|
|
6939383 |
Method for making electrode
Described are methods of making electrodes for electrochemical systems, especially cathodes for lithium polymer batteries, and products prepared from the methods; the methods involve the use of a...
|
|
|
6939640 |
Anode electrocatalysts for coated substrates used in fuel cells
Disclosed are electrocatalyst compositions useful for fuel cells comprising tungsten and molybdenum carbides and/or oxycarbides, or their mixtures in combination with noble metals, such as platinum...
|
|
|
6936379 |
Method for electrode design for implantable device applications that require the elective replacement indicator (ERI)
A method for providing a physician with an elective replacement indicator (ERI) for an implantable medical device is described. The medical device is powered by an electrochemical having a lithium...
|
|
|
6929883 |
Lithium-transition metal composite oxide
The present invention provides a lithium-transition metal composite oxide having a large volume capacity density, high safety, excellent coating uniformity, excellent charge/discharge cycle...
|
|
|
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...
|
|
|
6919144 |
Nonaqueous electrolyte secondary cell and method of manufacturing the same
The present invention provides a nonaqueous electrolyte secondary cell having a positive electrode comprising mainly of a positive electrode active material, a negative electrode, and a nonaqueous...
|
|
|
6919141 |
Phosphate additives for nonaqueous electrolyte rechargeable electrochemical cells
A lithium ion electrochemical cell having high charge/discharge capacity, long cycle life and exhibiting a reduced first cycle irreversible capacity, is described. The stated benefits are realized...
|
|
|
6916579 |
Cathode material for lithium battery
A cathode composition for lithium ion and lithium metal batteries includes a transitional metal oxide and an adsorbate layer disposed on a surface of the transitional metal oxide. The transitional...
|
|
|
6911282 |
Non-aqueous electrolyte secondary battery
When the composite particle containing Si or Sn is used for the negative electrode, the ratio of the median diameter “Dc” of the conductive material to the median diameter “Da” of the...
|
|
|
6908708 |
Method of preparing layered lithium-chromium-manganese oxides for lithium batteries
A method of preparing layered lithium-chromium-manganese oxides having the formula Li[Cr x Li (1/3−x/3) Mn (2/3−2x/3) ]O 2 where 0.1≦X≦0.5 for lithium batteries. Homogeneous precipitation...
|
|
|
6908711 |
Rechargeable high power electrochemical device
The present invention is drawn to a high power electrochemical energy storage device, comprising at least one stackable, monolithic battery unit. The monolithic battery unit includes at least two...
|
|
|
6890510 |
Process for making lithium titanate
A process is provided for making lithium titanate of closely controlled particle size in the range 5 nm to 2000 nm. The process includes re-firing lithium titanate under controlled conditions so...
|
|
|
6878490 |
Positive electrode active materials for secondary batteries and methods of preparing same
The present invention is a positive electrode active material that can be used in secondary lithium and lithium-ion batteries to provide the power capability, i.e., the ability to deliver or retake...
|
|
|
6875536 |
Catalytic hydrogen storage composite material and fuel cell employing same
A composite hydrogen storage material including 1) an active material having hydrogen storage capacity; and 2) a catalytic material having greater catalytic activity toward the dissociation of...
|
|
|
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...
|
|
|
6872492 |
Sodium ion batteries
Sodium ion batteries are based on sodium based active materials selected among compounds of the general formula:
A a M b (XY 4 ) c Z d...
|
|
|
6855461 |
Cathode material for lithium rechargeable batteries
A crystal which can be employed as the active material of a lithium-based battery has an empirical formula of Li x1 A 2 Ni 1-y-z Co y B z O a , wherein “x1” is greater than about 0.1 and equal...
|
|
|
6852448 |
Nickel electrode for alkaline secondary battery and alkaline secondary battery
The nickel electrode for alkaline secondary battery according to the present invention is obtained by applying a paste containing active material particles comprising nickel hydroxide to a...
|
|
|
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...
|
|
|
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...
|
|
|
6838023 |
Trivanadium oxide hydrate compositions
Disclosed is a new vanadium oxide hydrate composition suitable for use as electrode-active material in primary and secondary lithium and lithium ion batteries and a process for its preparation.
|
|
|
6835332 |
PROCESS FOR PRODUCING AN ELECTRODE MATERIAL FOR A RECHARGEABLE LITHIUM BATTERY, AN ELECTRODE STRUCTURAL BODY FOR A RECHARGEABLE LITHIUM BATTERY, PROCESS FOR PRODUCING SAID ELECTRODE STRUCTURAL BODY, A RECHARGEABLE LITHIUM BATTERY IN WHICH SAID ELECTRODE STRUCTURAL BODY IS USED, AND A PROCESS FOR PRODUCING SAID RECHARGEABLE LITHIUM BATTERY
A process for producing an electrode material for a rechargeable lithium battery, comprising the steps of mixing a metal compound (a) of a metal (a′) capable of being electrochemically alloyed...
|
|
|
6835497 |
Nickel electrode for alkaline storage battery and alkaline storage battery
A nickel electrode for alkaline storage battery according to the present invention is formed by applying a paste containing active material particles composed of nickel hydroxide to a conductive...
|
|
|
6824921 |
Negative electrode material for non-aqueous electrolyte secondary battery and method for producing the same
A method for producing a negative electrode material for a non-aqueous electrolyte secondary battery is disclosed: which includes a step of applying a shearing force to an intermetallic compound...
|
|
|
6814764 |
Method for producing cathode active material and method for producing non-aqueous electrolyte cell
A method for producing a cathode active material having superior cell characteristics through single-phase synthesis of a composite material composed of a compound represented by the general...
|
|
|
6811925 |
Nonaqueous electrolyte secondary cell and a tungsten or molybdenum substituted lithium positive electrode active material
A positive active material for nonaqueous electrolyte secondary batteries which has a higher capacity and improved thermal stability in a charged state and is less expensive compared to the current...
|
|
|
6794084 |
Alkali metal hydrogen phosphates as precursors for phosphate-containing electrochemical active materials
The present invention relates general to a method for making an alkali metal hydrogen phosphate of the general formula A x H 3−x PO 4 , wherein A is an alkali metal and 0≦x≦3, prepared by...
|
|
|
6794085 |
Metal oxide containing multiple dopants and method of preparing same
The present invention relates to metal oxides containing multiple dopants. The metal oxides have the formula: LiM y−x [A] x O z or M y−x [A] x O z , wherein M is a transition metal,...
|
|
|
6790560 |
Positive electrode material for lithium secondary battery
A positive electrode material for a lithium secondary battery includes a lithium manganese oxide having a spinel structure, expressed by one of the general formulae; LixMnyO 4 (where...
|
|
|
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...
|
|
|
6759168 |
Nonaqueous secondary battery with lithium titanium cathode
A method for manufacturing a lithium secondary cell comprising a positive electrode containing a lithium titanate as an active material, a negative electrode containing a carbonaceous material as...
|
|
|
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...
|
|
|
6749965 |
Positive active material for lithium secondary batteries and method of preparing the same
Disclosed is a positive active material for a lithium secondary battery having high capacity and long durability properties and particularly to a powder of Li a Ni 1-x-y C O x M y O 2 , Li a Ni...
|
|
|
6746800 |
Nonaqueous electrolyte secondary battery
A nonaqueous electrolyte secondary battery characterized as using a mixture of a first oxide and a second oxide for its positive electrode material. The first oxide is a spinel oxide consisting...
|
|
|
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...
|
|
|
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...
|
|
|
6740453 |
Electrochemical cell with carbonaceous material and molybdenum carbide as anode
A rechargeable lithium ion electrochemical cell and/or battery configured to provide improved reversible energy storage capacity is disclosed. The electrochemical cell and/or battery comprising a...
|
|
|
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...
|
|
|
6733926 |
Electrochemical cell having a physical vapor deposited electrode and method of manufacture
An electrode component for an electrochemical cell or a capacitor is described wherein the electrode is produced by physical vapor depositing an electrode active material onto a substrate to coat...
|