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6376127 Rechargeable lithium battery containing a complex sulfide active material  
A rechargeable lithium battery is disclosed having a positive electrode, a negative electrode and a non-aqueous electrolyte. Characteristically, the positive or negative electrode contains, as its...
6361899 Additives for rechargeable alkaline manganese dioxide cells  
Rechargeable galvanic cells are disclosed which comprise a manganese dioxide cathode, a zinc anode and a potassium hydroxide electrolyte wherein the cathode includes additive compounds to increase...
6355376 Positive electrode material based on titanium oxysulphide for electrochemical generator and method for making same  
The invention relates to a material for a positive electrode based on titanium oxysulphide for an electrochemical generator and its method of preparation. This oxysulphide corresponds to the...
6350546 Sulfate additives for nonaqueous electrolyte rechargeable 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...
6350542 Sulfite additives for nonaqueous electrolyte rechargeable 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...
6346348 Rechargeable lithium battery with a lithium molybdenum oxide electrode  
A rechargeable lithium battery has a positive electrode containing hexagonal-structured lithium molybdenum oxide as an active material. The lithium molybdenum oxide, on charge and discharge, is...
6319633 Rechargeable lithium battery  
A rechargeable lithium battery has a positive electrode, a negative electrode and a non-aqueous electrolyte. The active material of the positive or negative electrode is tungsten complex sulfide,...
6316145 Non-aqueous electrolyte battery and charging method therefor  
In a non-aqueous electrolyte battery using titanium oxide or lithium titanate as a negative electrode material for negative electrode, polymeric electrolyte is interposed between the negative...
6306543 Electrodes and methods of making them  
An electrode for electrochemical processes comprising an electrically conductive wire having a coating of a polymer having dispersed in it Magneli phase oxide particles, at least half the mass...
6300009 Lithium secondary battery  
In a lithium secondary battery of this invention, an active material of either a positive electrode or a negative electrode includes a composite sulfide having the same crystal structure as MoS 2 ...
6287727 Manganese-lithium ion electrolytic cell  
There is provided a positive electrode comprising positive electrode active material granules which each are composed of lithium manganate; and a first surface layer which is formed on each of the...
6284215 Manufacturing method of active materials for the positive electrode in alkaline storage batteries  
A process for producing positive electrode active material includes feeding an aqueous nickel salt solution, aqueous solutions of different kinds of metals, aqueous solution containing ammonium...
6274271 Non-aqueous electrolyte lithium secondary battery  
A non-aqueous electrolyte lithium secondary battery comprising a negative electrode of spinel-type lithium-titanium oxide with improved overcharge and overdischarge characteristics is disclosed. In...
6270926 Lithium secondary battery  
A lithium secondary battery includes an anode, a cathode and a separator containing non-aqueous electrolytic solution or solid-state electrolyte, interposed between the anode and the cathode. The...
6255017 Electrode material and compositions including same  
An electrode composition that includes an electrode material consisting essentially of a plurality of electrochemically active metal elements in which the electrode material has a microstructure...
6228534 Annealing of mixed metal oxide electrodes to reduce polarization resistance  
The thermal treatment of transition metal oxide electrodes such as silver vanadium oxide cathode plates, contacted to titanium current collectors for the purpose of reducing polarization resistance...
6225007 Medal vanadium oxide particles  
Metal vanadium oxide particles have been produced with an average diameter less than about 500 nm. The particles are produced from nanocrystalline vanadium oxide particles. Silver vanadium oxide...
6221534 Alkali metal electrochemical cell having an improved cathode activated with a nonaqueous electrolyte having a carbonate additive  
The present invention is directed to an unexpected benefit in a lithium cell derived from using a combination of silver vanadium oxide prepared in a temperature range of about 450° C. to about...
6218049 Cathode for an electrochemical cell  
Described is a thin-film battery, especially a thin-film microbattery, and a method for making same having application as a backup or primary integrated power source for electronic devices. The...
6207038 Process for preparing a composite electrolyte based on BIMEVOX and the use of said compound in separating oxygen from a gas mixture  
A process for preparing a solid composite electrolyte comprising at least one compound of the BIMEVOX family is provided. The process comprises at least one step of preparing a mixture of one or...
6207327 Totally-solid lithium secondary battery  
A totally-solid lithium secondary battery can be improved in charge and discharge characteristics by adding to the negative electrode a first transition metal chalcogenide or lithiumtransition...
6203947 Long cycle-life alkali metal battery  
The present invention provides a cathode for use in a secondary electrochemical cell, such cathode being coated with a very thin, protective film, permeable to ions. The protective film of the...
6200704 High capacity/high discharge rate rechargeable positive electrode  
Disclosed is a positive electrode that has a low equivalent weight and high cell voltage and consequently a high specific energy, and a high discharge rate pulse capability. Also disclosed are...
RE37076 Lithium ion electrochemical cell  
Non-aqueous electrochemical cells with improved performance can be fabricated by employing anodes comprising a composition having graphite particles that have a BET method specific surface area of...
6190802 Transition metal based ceramic material and electrodes fabricated therefrom  
A transition metal based ceramic material having the general formula Li α M 1 -β T β N x O 67 , wherein M is a transition metal, T is a dopant metal, and wherein x is greater than 0 and less...
6174623 Conductive-polymer-coated electrode particles  
An electro-active compound particulate coated with a conducting polymer composition finds use in electrochemical cell electrodes.
6171729 Control of swelling in alkali metal electrochemical cells  
An alkali metal/solid cathode electrochemical cell, particularly a Li/SVO cell, having an anode-to-cathode (A/C) capacity ratio of about 0.68 to about 0.96, is described. This provides the cell...
6165647 Secondary battery comprising a polymerizable material in its electrolyte solution  
A battery excellent in high temperature storage characteristic is presented. It comprises a positive electrode having a positive electrode active material containing an transition metal complex...
6143443 Stabilized electrolyte solutions, methods of preparation thereof and redox cells and batteries containing stabilized electrolyte solutions  
A method for stabilizing an electrolyte for use in a redox cell, in particular for stabilizing an electrolyte for use in an all-vanadium redox cell, a stabilized electrolyte, in particular an...
6130004 Electrode materials and electrochemical devices using same  
A material for use as an electrode, and particularly the anode (20) of an electrochemical device, such as an electrochemical capacitor device (10). The material is a multicomponent alloy material,...
6120938 Non-aqueous electrolyte secondary cell  
A non-aqueous electrolyte secondary battery is disclosed in which hydrogen lithium titanate prepared by an acid process of lithium titanate and having pH of 11.2 or smaller or hydrogen lithium...
6120936 Method for powder formation of a hydrogen storage alloy  
A novel method for forming powder of a hydrogen storage alloy without the need for further mechanical processing. The alloy powder may be adapted for use as the negative electrode material of...
6093506 Synthesis of silver vanadium oxide for cathode material  
This present invention provides a method for forming C-SVO without the need for flowing O 2 during its synthesis. A method of forming silver vanadium oxide in accordance with the present invention...
6071437 Electrically conductive composition for a solar cell  
The present invention provides an improved electrically conductive composition for a solar cell. The composition of the present invention exhibits promoted grain growth and densification to thereby...
6060186 Battery with insulated casing protected against corrosion  
An electrical battery comprises in a metallic casing filled with electrolyte at least one electrode pair comprising a separator, a positive electrode, a separator and a negative electrode, the...
6046268 Electrode with enhanced adhesion to substrates  
An electrode coating with improved adhesion to substrates comprises small particles of an active material that are preferentially distributed at the interface with the supporting substrate.
6020087 Polymer electrolytes containing lithiated fillers  
A method of improving the structural integrity of polymer electrolytes of electrochemical cells by employing lithiated fillers that are represented by the formula Li 16 -2x D x (TO 4 ) 4 where...
6013391 High capacity high rate materials  
Nominal composition V 2 O 4 .5 (OH) materials suitable for intercalations of greater than 2.4 Li per V 2 O 5 to yield theoretical energy density of greater than 970 Wh/Kg of cathode active...
6013394 Organic sulfate additives for nonaqueous electrolyte in alkali metal electrochemical cells  
An alkali metal, solid cathode, nonaqueous electrochemical cell capable of delivering high current pulses, rapidly recovering its open circuit voltage and having high current capacity, is...
6007945 Negative electrode for a rechargeable lithium battery comprising a solid solution of titanium dioxide and tin dioxide  
Solid solution of titanium dioxide and tin dioxide is utilized as the anode active substance in the negative electrode of a rechargeable lithium battery. The lithium battery comprised of a negative...
5958624 Mesostructural metal oxide materials useful as an intercalation cathode or anode  
The present invention provides mesostructural metal oxide materials that can be employed in lithium ion rechargeable batteries as intercalation electrodes. The mesostructural metal oxide materials...
5939224 Nonaqueous electrolyte secondary battery  
The invention provides a nonaqueous electrolyte secondary battery which employs, as a negative electrode active material, a carbide containing an alkali metal in a charged stage. The carbide used...
5908716 Lithium--containing sulfates, method of preparation and uses thereof  
The invention provides a battery having an electrode active material comprising a mixed-metal sulfate compound. The mixed-metal consists of at least one alkali metal and at least one transition...
5900385 Nickel--containing compounds useful as electrodes and method for preparing same  
A compound having the formula Li q Cr x -y Ni y Mn 2 -x O 4 +z where q≥2, 1.0≤x≤1.25, 0<y<0.9, and z≥0. The invention also features an electrode composition containing this compound...
5882624 ETS-14 crystalline titanium silicate molecular sieves, manufacture and use thereof  
A novel crystalline titanium silicate designated ETS-14 molecular sieve is disclosed and characterized. ETS-14 may be prepared by heating ETS-10 molecular sieve in the form of an aqueous gel or...
5883624 Document reference apparatus and method for displaying documents page by page and storage medium storing program used for realizing the apparatus and method  
A document reference apparatus and method and a storage medium storing the program used for realizing the apparatus and method are provided for displaying documents page by page for helping a user...
5856042 Electrochemical cells using a polymer electrolyte  
A cathode is comprised of a major amount of active cathode material and a binding amount of an ionically nonconductive prepolymeric composition. Polymer electrolyte electrochemical cells can be...
5851696 Rechargeable lithium battery  
The present invention provides an electrochemical cell or battery, which has a nonmetal negative electrode (anode). That is, no solid metal active material is used in the cell. Rather than the...
5759215 Method of preparing electrochemical cells  
A method for activating the anode, cathode, and polymeric matrix components of an electrochemical cell is provided. Subsequent to forming the electrochemical cell precursor a quantity of activation...
5744258 High power, high energy, hybrid electrode and electrical energy storage device made therefrom  
A hybrid electrode for a high power, high energy, electrical storage device contains both a high-energy electrode material (42) and a high-rate electrode material (44). The two materials are...
Matches 201 - 250 out of 450 < 1 2 3 4 5 6 7 8 9 >