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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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.
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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