Matches 151 - 200 out of 450 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
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...
6733923 Metal oxide electrode coated with porous metal film, porous metal oxide film or porous carbon film, its fabrication method, and lithium-ion secondary battery using it  
A metal oxide electrode coated with a porous metal film, a metal oxide film or a carbon film, its fabrication method and a lithium-ion secondary battery using it are disclosed. The porous thin film...
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...
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...
6720112 Lithium cell based on lithiated transition metal titanates  
An electrochemical active material contains a lithiated zirconium, titanium, or mixed titanium/zirconium oxide. The oxide can be represented by the formula LiM′M″XO 4 , where M′ is a...
6716556 Nonaqueous electrolyte rechargeable battery  
A nonaqueous electrolyte rechargeable battery including a positive electrode comprising a molybdenum metal oxide deposited, in the form of a thin film, on an aluminum-containing substrate and...
6716555 Positive active material for secondary battery, process for preparation thereof and non-aqueous secondary battery comprising same  
The positive active material for secondary battery according to the invention comprises O, Fe in an amount of higher than 25% by weight, and V in an amount of from higher than 0% by weight to less...
6713215 Non-aqueous electrolyte rechargeable batteries  
A non-aqueous electrolyte rechargeable battery is resistant to the reflow temperature during reflow soldering. The non-aqueous electrolyte rechargeable battery has a positive electrode having an...
6706445 Synthesis of lithiated transition metal titanates for lithium cells  
An electrochemical active material contains a lithiated zirconium, titanium, or mixed titanium/zirconium oxide. The oxide can be represented by the formula LiM′M″XO 4 , where M′ is a...
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...
6677077 Electrochemical cell having multiplate electrodes with differing discharge rate regions  
An electrochemical cell comprising a medium rate electrode region intended to be discharged under a substantially constant drain and a high rate electrode region intended to be pulse discharged, is...
6656635 Non-aqueous electrolyte secondary cell  
A non-aqueous electrolyte secondary cell containing a compound of an olivinic structure as a cathode active material is to be improved in load characteristics and cell capacity. To this end, there...
6649305 Secondary electrochemical generators of the zinc-anode alkaline type  
Secondary electrochemical generators of the zinc-electrode alkaline type whose anode has a great capacity for cycling. The electrochemical generators according to the invention comprise zinc anodes...
6645673 Process for producing lithium titanate and lithium ion battery and negative electrode therein  
In a process for producing lithium titanate, a mixture of titanium dioxide and at least one lithium compound selected from the group consisting of lithium carbonate, lithium hydroxide, lithium...
6645670 Efficient cell stack for cells with double current collectors sandwich cathodes  
The present invention improves the performance of lithium electrochemical cells by providing a new electrode assembly based on a sandwich cathode design, but termed a double screen sandwich cathode...
6627337 Conversion of low rate energy into high rate energy by parallel discharging  
An electrode configuration for use in a defibrillator battery to improve the battery capacity and its utilization efficiency by using a combination SVO cell and a CF x cell discharged in parallel,...
6623887 Silver vanadium oxide cathode material for high discharge rate lithium cells  
A method for synthesizing a mixture of ε-SVO (Ag 2 V 4 O 11 ) and γ-SVO (Ag 1.6 V 4 O 10.8 ) by a two-step raw materials mixing process, is described. γ-SVO is the preferred SVO in terms of...
6620547 Cathode including transition metal/matrix polymer composition and a secondary polymer battery therefrom  
A secondary polymer battery is provided with: a) a cathode containing a current collector made of an electrically conductive substrate and a composition placed on said current collector, said...
6605385 Electrochemical cell having an electrode with a carbonate additive in the electrode active mixture  
An electrochemical cell of either a primary or a secondary chemistry, is described. In either case, the cell has a negative electrode of lithium or of an anode material which is capable of...
6605266 Use and process for production of nanotubes  
Separable nanotubes are made from a transition metal oxide, preferably from a vanadium oxide of variable valence. They show a greater oxidation resistance than the carbon-based nanotubes known so...
6599662 Electroactive material for secondary batteries and methods of preparation  
This invention provides a composite material for use as an electrode in electrochemical devices. An electroactive composite material includes a first electroactive metal, the electroactive material...
6593029 Manufacturing process for improved discharge of lithium-containing electrochemical cells  
In primary cells, the addition of gaseous carbon dioxide to the nonaqueous electrolyte has beneficial effects in terms of minimizing or eliminating voltage delay and reducing Rdc build-up when the...
6593030 Non-aqueous electrolyte secondary battery  
The present invention provides a rechargeable negative electrode for a non-aqueous electrolyte secondary battery comprising an alloy material which absorbs lithium during charge and desorbs lithium...
6586135 Electrochemical cell having an electrode with a dicarbonate additive in the electrode active mixture  
An electrochemical cell of either a primary or a secondary chemistry, is described. In either case, the cell has a negative electrode of lithium or of an anode material which is capable of...
6569566 Composite positive electrode material and method for making same  
A method for making a composite positive electrode material for use in electrochemical cells. The composite material comprises a particle of positive electrode material and a nucleating particle at...
6562515 Electrochemical cell having an electrode with a nitrate additive in the electrode active mixture  
An electrochemical cell of either a primary or a secondary chemistry, is described. In either case, the cell has a negative electrode of lithium or of an anode material which is capable of...
6562514 Stabilized vanadium electrolyte solutions for all-vanadium redox cells and batteries  
A stabilized vanadium electrolyte solution for use in an all-vanadium redox cell or battery, the stabilized electrolyte solution comprising vanadium redox ions, an electrolyte and a stabilizing...
6558850 Method of fabricating an electrolytic cell employing a solid polymer electrolyte  
A solid polymer electrolyte for an electrolytic cell is prepared by a sol-gel process in which an active metal ion conducting liquid electrolyte, e.g. a lithium-ion electrolyte, containing a salt...
6551743 Nonaqueous secondary battery  
In the nonaqueous secondary battery of this invention, a positive electrode includes, as an active material, a composite oxide represented by a composition formula, Li x Mn 2−y−z Ni y M z O q ,...
6537698 Electrochemical cell having an electrode with a phosphonate additive in the electrode active mixture  
An electrochemical cell of either a primary or a secondary chemistry, is described. In either case, the cell has a negative electrode of lithium or of an anode material which is capable of...
6537702 Lithium secondary battery  
A lithium secondary battery having a higher energy density and a longer cycle life than conventional batteries is disclosed, which comprises a positive electrode capable of absorbing and desorbing...
6534216 Positive electrode for non-aqueous electrolyte cell and manufacturing method of the same  
A positive electrode for a non-aqueous electrolyte cell containing spinel-type lithium manganese oxide as a main active material, wherein the positive electrode is comprised of a mixture of...
6528207 Electrochemical cell having an electrode with a nitrite additive in the electrode active mixture  
An electrochemical cell of either a primary or a secondary chemistry, is described. In either case, the cell has a negative electrode of lithium or of an anode material which is capable of...
6525923 Electrode for an electric double layer capacitor and process for producing it  
A process for producing an electrode for an electric double layer capacitor, which includes extruding a mixture including a carbonaceous material, a polytetrafluoroethylene and a processing aid by...
6511772 Electrochemical cell having an electrode with a phosphate additive in the electrode active mixture  
An electrochemical cell of either a primary or a secondary chemistry, is described. In either case, the cell has a negative electrode of lithium or of an anode material which is capable of...
6503646 High rate batteries  
Improved high rate batteries based on silver vanadium oxide yield improved pulsed performance. In particular, batteries comprise an electrolyte having lithium ions and a cathode comprising silver...
6495289 Lithium secondary cell with an alloyed metallic powder containing electrode  
In Lithium secondary cells, alkali secondary cells and bromine-zinc secondary batteries capable of retarding the growth of a dendrite, which would occur at the time of charging thereof and result...
6492063 Lithium secondary battery  
In a lithium secondary battery of this invention, the negative electrode uses, as an active material, an alloy including an A phase of a first intermetallic compound (A), and a B phase of a second...
6489062 Non-aqueous electrolyte secondary battery having heat-resistant electrodes  
A non-aqueous electrolyte secondary battery capable of withstanding a reflow temperature has a positive electrode having a conductive material, a binder, and an electrode active material selected...
6489057 Positive electrode-active material and lithium cell comprising the same  
A copper-boron double oxide of the formula: Cu j M k B m O n in which M is a metal atom, and j, k, m and n are each a positive integer, a copper-molybdenum double oxide of the formula: Cu x Mo y O...
6479426 Negative active material for lithium secondary battery  
Disclosed is a negative active material for a lithium secondary battery. The negative active material includes graphitized coke having a graphitization catalyst element and non-flat artificial...
6447952 Polymer electrolytes  
This invention provides alkali ion conducting polymer electrolytes with high ionic conductivity and elastomeric properties suitable for use in high energy batteries. The polymer electrolytes are...
6444360 Electrochemical cell activated with a nonaqueous electrolyte having a sulfate additive  
An alkali metal, solid cathode, non-aqueous electrochemical cell capable of delivering high current pulses, rapidly recovering its open circuit voltage and having high current capacity, is...
6403256 Alkali metal electrochemical cell activated with a nonaqueous electrolyte having a sulfite additive  
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...
6399246 Latex binder for non-aqueous battery electrodes  
A water-soluble binder useful for preparing an electrode for either primary or secondary batteries, having either aqueous or non-aqueous electrolyte, contains polyacrylamide and at least one...
6395425 Non-aqueous electrolyte secondary battery with a lithium copper titanium oxide electrode  
Provided is a non-aqueous electrolyte secondary battery capable of ensuring good characteristics even in case of low-voltage charge at 2.5 V or so. A composite oxide of a compositional formula, Li...
6391496 Lithium secondary battery with orthorhombic molybdenum and niobium oxide electrodes  
In a lithium secondary battery of this invention, either a positive electrode or a negative electrode includes, as an active material, an orthorhombic composite oxide represented by a composition...
6383685 Lithium secondary battery  
In a lithium secondary battery provided with a positive electrode, a negative electrode, and a non-aqueous electrolyte, a composite oxide represented by a chemical formula M X W 1−X O Y (wherein...
6379844 Low resistance electrode construction  
An electrochemical cell having a cathode and an anode in contact with an electrolyte. Both electrodes or one of them has an electrically conducting non-metal receptacle defining a chamber with a...
Matches 151 - 200 out of 450 < 1 2 3 4 5 6 7 8 9 >