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7615508 Cathode for air assisted battery  
A cathode for an air recovery alkaline battery is disclosed. The cathode contains at least about 60% by weight MnO 2 and at least about 2% by weight of a hydrophobic polymer; the MnO 2 consists...
7615314 Electrode structure for lithium secondary battery and secondary battery having such electrode structure  
An electrode structure for a lithium secondary battery including: a main active material layer including a metal powder selected from silicon, tin and an alloy thereof that can store and discharge...
7611802 Lithium secondary battery containing silicon-based or tin-based anode active material  
Provided is a lithium secondary battery comprising an anode mix including a silicon- or tin-based material as an anode active material, and as a binder, a photo-polymerizable material composed of...
7582382 Non-sintered electrode of nickel hydroxide in a binder of cellulose compound and styrene-acrylate co-polymer for an electrochemical generator  
A non-sintered electrode containing a two-dimensional conductive support covered in a layer containing an electrochemically active material and a binder which is a mixture of a styrene-acrylate...
7575830 Lithium secondary battery  
There is provided a lithium secondary battery with a negative electrode which comprises a negative electrode active material layer comprising alloy particles comprising silicon and tin and having...
7572551 Electrode active blanks and methods of making  
Improved methods for manufacturing electrode active tapes, including blanks/plates with essential homogeneity for consistently more reliable performing electrodes for electrochemical cells, and...
7572542 Nanocarbon composite structure having ruthenium oxide trapped therein  
A novel nanocarbon composite structure is provided having trapped ruthenium oxide. By using Ketjen black, and through chemical-mechanical effect utilizing an ultracentrifugal reaction field, both...
7531272 Carboxymethyl cellulose-based binder material and lithium battery using the same  
The present invention is related to compositions and methods for producing a lithium battery with enhanced performance. In particular, the present invention is directed to increasing the solubility...
7524580 Films for electrochemical components and method for producing the same  
The invention relates to a pasty material that can be used in electrochemical components comprising (A) 0-70 percent by weight of a matrix containing at least one organic polymer, its precursors or...
7510808 Low temperature Li/FeS2 battery  
The invention is a 1.5 volt primary electrochemical battery cell with an alkali metal lithium negative electrode (such as lithium), a positive electrode (comprising iron disulfide for example) and...
7503943 Fluorinated carbon active material  
Disclosed is an improved type of fluorinated carbon (CF x ) for use in electrical storage devices such as batteries and capacitors. The CF x is coated with a conductive material such as gold or...
7494743 Anode and battery  
An anode capable of relaxing internal stress and thereby preventing deformation and a battery using it are provided. An anode provided with an anode active material layer is formed on an anode...
7491467 Negative electrode for nonaqueous electrolyte secondary battery and nonaqueous electrolyte secondary battery using the same  
A negative electrode for a nonaqueous electrolyte secondary battery having a small surface film resistance and a high negative electrode strength, wherein the negative electrode includes a...
7488557 Electrode for lead-acid battery  
The present invention relates to a lead-acid battery Comprising a positive and a negative electrode, each having a current collector comprising an expanded grid, characterized in that at least one...
7479350 Pasty materials with nanocrystalline materials for electromechanical components and layers and electromechanical components with said materials  
The present invention relates to a paste-like mass that can be used in electrochemical structural elements comprising (A) 0-70% by weight of a matrix containing or consisting of at least one...
7462420 Electrode with a phase-separated binder that includes a vinylidene fluoride binder polymer and a polyether polar polymer with a lithium salt  
An electrode for an all solid polymer battery comprises electrode active material particles which can absorb and release lithium ion through oxidation-reduction, a binder polymer, a polar polymer,...
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...
7438992 Lithium-based active materials and preparation thereof  
The invention provides novel lithium-mixed metal materials which, upon electrochemical interaction, release lithium ions, and are capable of reversibly cycling lithium ions. The invention provides...
7419745 Method of forming an electrode structure useful in energy storage devices  
The present invention relates to a method for forming an electrode structure useful in energy storage devices, which method involves the spray deposition of a mixture of carbon and a binder on a...
7413829 Lithium secondary battery  
In a lithium secondary battery comprising positive and negative electrodes each comprising at least an active material capable of occluding and releasing lithium ions, a binder and a current...
7410727 Graphite particles and lithium secondary battery using the same as negative electrode  
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...
7396614 Lithium and vanadium oxide, a preparation method thereof and the use of same as an active electrode material  
A lithium and vanadium oxide is described having the formula Li 1+x V 3 O 8 , wherein 0.1≦×≦0.25. The oxide has a monoclinic crystalline structure and comprises non-agglomerated grains in the...
7393476 Positive electrode active material for lithium secondary cell and lithium secondary cell  
A positive active material for lithium secondary batteries, includes a composite oxide including an oxide which is represented by the composite formula Li x Mn a Ni b Co c O 2 and has an α-NaFeO...
7384686 Porous composite product in particular with a high specific surface preparation process and electrode formed of a porous composite film for an electro-chemical assembly  
A porous composite product in the form of a film with a high specific surface. Used in a wide range of electrochemical products especially in the field of selective membranes, packaging or...
7368202 Electrochemical device having opposing electrodes  
An electrochemical device comprises, at least, a first electrode, a second electrode, and an electrolyte layer having an ionic conductivity. The first and second electrodes oppose each other by way...
7351498 Lithium ion polymer secondary battery its electrode and method for synthesizing polymer compound in binder used in adhesion layer thereof  
The present invention provides a lithium ion polymer battery comprising an electrode having excellent adhesion and electrical conductivity between a current collector and an active material layer,...
7332247 Electrode for an electrochemical cell and process for making the electrode  
A cell and a method for preparing an electrochemical cell having an electrode containing a mixture of agglomerated particles and nonagglomerated particles are disclosed. The process enables the...
7326497 Graphite-containing composition, negative electrode for a lithium secondary battery, and lithium secondary battery  
Disclosed is a negative electrode for a lithium secondary battery which is prepared by mixing graphite powder with a binder. The negative electrode comprises graphite with an intensity ratio...
7318982 Polymer composition for encapsulation of electrode particles  
Compositions and methods are provided for coating electroactive particles. Coating materials include a conductive component and a low refractive index component. Coatings are provided in which the...
7316864 Slurry composition, electrode and secondary cell  
A slurry composition for electrode comprising a binder, an active material, and a liquid medium, characterized in that the binder comprises a polymer (X) comprising 60 to 95 mole % of repeating...
7316792 Electrode material for rechargeable lithium battery and electrode structural body comprising said electrode material  
An electrode material for a rechargeable lithium battery, characterized in that said electrode material comprises a fine powder of a silicon-based material whose principal component is silicon...
7303837 Positive electrode for lithium-sulfur battery and lithium-sulfur battery and article of manufacture including same  
A positive electrode for a lithium-sulfur battery and a lithium-sulfur battery including the same have a positive electrode that includes a positive active material, a conductor, an organic binder,...
7297444 Non-aqueous electrolyte secondary battery  
In a non-aqueous electrolyte secondary battery having a negative electrode containing Si as a negative electrode active material, a binder containing a non-crosslinked polyacrylic acid having a...
7288339 Lithium secondary battery with suppressed decomposition of electrolytic solution and preparation method thereof  
Provided are a lithium secondary battery with suppressed decomposition of an electrolytic solution, and a preparation method thereof. The lithium secondary battery includes a current collector, a...
7282299 Solid electrolyte battery  
A solid electrolyte battery includes a cathode having a cathode active material and a solid electrolyte and an anode. The solid electrolyte includes a first polymer having a binding force and a...
7270914 Lithium secondary cell  
In a lithium secondary cell having a negative electrode, a positive electrode and, arranged between the electrodes, a polymer electrolyte layer, the internal resistance of the cell and the...
7267907 Negative electrode for rechargeable lithium battery and rechargeable lithium battery comprising same  
The present invention relates to an electrode for a rechargeable lithium battery comprising an emulsion binder, and a lithium secondary battery including the same. The electrode comprises a current...
7261970 Nickel metal hydride battery design  
The present invention relates to rechargeable nickel metal hydride batteries and methods for making the same. More particularly, the present invention relates to rechargeable nickel metal hydride...
7255965 Non-aqueous electrolytic solution  
The use of lithium bis(oxalate)borate (LiBOB) as an additive in a lithium secondary battery provides improved battery performance such as long life and high capacity retention after high...
7238453 Non-aqueous electrolytic solution with mixed salts  
The use of at least two electrolyte salts in a lithium secondary battery provides improved battery performance such as long cycle life of high discharge capacity and high capacity retention.
7238446 Active electrode composition with conductive polymeric binder  
An active composition for an electrode of an electrochemical cell. The active composition comprises an active electrode material and a conductive polymer. The electrochemical cell is preferably a...
7226696 Alkaline cell with performance enhancing additives  
Alkaline electrochemical cells having extended service life and acceptable gassing and corrosion properties are disclosed. An amphoteric surfactant can be incorporated into the gelled anode mixture...
7214445 Battery  
Provided is a battery capable of obtaining a superior battery capacity and a superior charge-discharge cycle characteristic under high temperature conditions, and improving a load characteristic. A...
7201994 Non-aqueous electrolyte secondary battery  
A non-aqueous electrolyte secondary battery comprising: a positive electrode comprising a positive electrode current collector and a positive electrode material mixture layer formed thereon; a...
7179563 Binder for a lithium-sulfur battery, positive active material composition comprising same and lithium-sulfur battery using same  
Disclosed is a binder for a lithium-sulfur battery including a butadiene-based copolymer. The binder exhibits chemical resistance to polysulfides, is stable a battery working temperatures, forms an...
7172837 Nonaqueous electrolyte secondary battery having a negative electrode containing carbon fibers and carbon flakes  
A nonaqueous electrolyte secondary battery is provided with a positive electrode including a positive-electrode active material, a negative electrode including a negative-electrode active material,...
7169504 Alkaline cell with performance enhancing additives  
A sulfonic acid type organic surfactant is incorporated into the gelled anode mixture of an alkaline electrochemical cell, optionally with an organic phosphate ester surfactant. Zinc fines may also...
7157185 Nonaqueous electrochemical cell with improved energy density  
This invention relates to a nonaqueous cell comprising a lithium metallic foil anode and a cathode coating comprising iron disulfide as the active material wherein the coating is applied to at...
7157184 Method for producing electrode sheets for electrochemical elements  
A method for producing electrode sheets for electrochemical elements which contain at least one lithium-intercalating electrode which is composed of a mixture of at least two copolymerized...
7153611 Lithium secondary battery and method for manufacturing thereof  
A lithium secondary battery comprising an electrode in which an active material layer which includes an active material that electrochemically occludes and releases lithium is formed on a current...