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| Number | Title | Issue Date |
| 8187746 | Surface modification agents for lithium batteries An active material for an electrochemical device may have a surface modification agent that is a silane, organometallic compound, or a mixture of two or more of such compounds. Both negative and positive electrodes may be prepared from the surface modified active ma... | 05/29/2012 |
| 8187745 | Cathode for fuel cell A cathode for a fuel cell is provided, which includes an electrode catalyst layer. This electrode catalyst layer is constituted by a carried catalyst including a conductive carrier and catalytic fine particles carried on the conductive carrier, by a proton-conductiv... | 05/29/2012 |
| 8182939 | Anode material for lithium secondary cell with high capacity Disclosed is an anode material comprising a metal core layer capable of repetitive lithium intercalation/deintercalation; an amorphous carbon layer coated on the surface of the metal core layer, and a crystalline carbon layer coated on the amorphous carbon layer. Th... | 05/22/2012 |
| 8168326 | Battery structures, self-organizing structures and related methods An energy storage device includes a first electrode comprising a first material and a second electrode comprising a second material, at least a portion of the first and second materials forming an interpenetrating network when dispersed in an electrolyte, the electr... | 05/01/2012 |
| 8148008 | Negative active material composition for a rechargeable lithium battery, a negative electrode for a rechargeable lithium battery, and a rechargeable lithium battery including same Negative active material compositions for rechargeable lithium batteries, negative electrodes for rechargeable lithium batteries, and rechargeable lithium batteries using the negative active material compositions are provided. The negative active material compositio... | 04/03/2012 |
| 8148009 | Reticulated and controlled porosity battery structures The effective ionic conductivity in a composite structure is believed to decrease rapidly with volume fraction. A system, such as a bipolar device or energy storage device, has structures or components in which the diffusion length or path that electrodes or ions mu... | 04/03/2012 |
| 8129048 | Method for producing rectangular flat secondary battery A positive electrode plate and a negative electrode plate are spirally wound with a separator interposed therebetween to form an electrode group 3 having a circular shape or an oval shape. Next, a center core member 2 for applying a pressure to the ele... | 03/06/2012 |
| 8124274 | High discharge capacity lithium battery Electrochemical battery cells, and more particularly, to cells comprising a lithium negative electrode and an iron disulfide positive electrode. Before use in the cell, the iron disulfide has an inherent pH, or a mixture of iron disulfide and an pH raising additive ... | 02/28/2012 |
| 8124275 | Method of manufacturing catalyst carrier, catalyst carrier, and electrode of fuel cell battery To smoothly deliver a thermal energy required in an active site of a catalyst carried on a carrier. A method of manufacturing a catalyst carrier of the present invention includes the steps of: forming a mixed thin film in which at least metal and ceramics are mixed ... | 02/28/2012 |
| 8105714 | Lithium-ion battery A lithium-ion battery includes a plurality of generally planar positive and negative electrodes arranged in alternating fashion to form an electrode stack. Each of the electrodes includes a current collector having two opposed surfaces and an active material provide... | 01/31/2012 |
| 8076024 | Electrode protection in both aqueous and non-aqueous electromechanical cells, including rechargeable lithium batteries Electrode protection in electrochemical cells, and more specifically, electrode protection in both aqueous and non-aqueous electrochemical cells, including rechargeable lithium batteries, are presented. In one embodiment, an electrochemical cell includes an anode co... | 12/13/2011 |
| 8053110 | Surface treated anode and lithium battery using the same A surface treated anode and a lithium battery using the same are provided. The surface treated anode includes a current collector, and an anode active material layer formed on the current collector. The anode active material layer is treated with an amine group cont... | 11/08/2011 |
| 8048561 | Process for the preparation of an electrode from a porous material, electrode thus obtained and corresponding electrochemical system Process for the preparation of electrodes from a porous material making it possible to obtain electrodes that are useful in electrochemical systems and that have at least one of the following properties: a high capacity in mAh/gram, a high capacity in mAh/liter, a g... | 11/01/2011 |
| 8048562 | Lithium cell with improved iron disulfide cathode A primary cell having an anode comprising lithium or lithium alloy and a cathode comprising iron disulfide (FeS2) with calcium hydroxide Ca(OH)2 and lithium carbonate Li2CO3 additive mixed therein. The electrolyte may typi... | 11/01/2011 |
| 8034480 | High rate capability design of lithium ion secondary battery A lithium ion secondary battery includes LiFePO4 as a major component of the positive electrode active material. In order to implement the high rate capability with 10 C/1 C rate larger than 80%, the invention designs a positive electrode on a current col... | 10/11/2011 |
| 8017268 | Lithium secondary battery including discharge unit Provided is a lithium secondary battery including a discharge unit capable of delaying or preventing a battery explosion. The lithium secondary battery includes a discharge unit disposed parallel to a battery body. The discharge unit includes a first electrode conne... | 09/13/2011 |
| 8007939 | Cell electrode plate and process for producing the same A cell electrode plate is constituted by band-like core member made of metal foil and a plurality of sheets of electrode active material applied discontinuously on and longitudinally of at least one of upper and lower surfaces of the core member, the mutually adjace... | 08/30/2011 |
| 8003252 | Electrode for rechargeable lithium battery and rechargeable lithium battery including same An electrode, for a rechargeable lithium battery, including a current collector; an active material layer disposed on the current collector; and a coating layer disposed on the active material layer. The coating layer includes a lithium ion conductive polymer and an... | 08/23/2011 |
| 8003250 | High energy and power density electrochemical cells The energy density of the entire cell may be improved while retaining high power density by use of an alkali metal transition metal polyanion compound as the cathode and a thin film metal or metalloid anode. The thin film anode may be initially unalloyed or partiall... | 08/23/2011 |
| 8003251 | Electrochemical cell grommet having a sidewall with a nonuniform thickness The present disclosure relates generally to an electrochemical cell such as a battery, and more particularly to an improved grommet suitable for electrically insulating an anode can from a cathode can of an electrochemical cell. In particular, the present disclosure... | 08/23/2011 |
| 7976989 | Precious metal oxide catalyst for water electrolysis The invention is directed to iridium oxide based catalysts for use as anode catalysts in PEM water electrolysis. The claimed composite catalyst materials comprise iridium oxide (IrO2) and optionally ruthenium oxide (RuO2) in combination with a ... | 07/12/2011 |
| 7972724 | Negative electrode for lithium secondary battery and lithium secondary battery comprising same A negative electrode for a lithium rechargeable battery is provided. The negative electrode includes a current collector, a thermosetting resin layer disposed on the current collector, and a negative active material layer disposed on the thermosetting resin layer. M... | 07/05/2011 |
| 7951487 | Electrode group for nonaqueous battery and method for producing the same, and cylindrical nonaqueous secondary battery and method for producing the same A positive electrode 2 includes a positive electrode current collector lead 70 connected to a core exposed part 78 formed at a longitudinal center of a current collector core 72. A negative electrode 3 includes a double-coated part... | 05/31/2011 |
| 7939197 | Electrode plate for rechargeable battery and method for fabricating the same An electrode plate of a rechargeable battery that is capable of preventing wastage of a base film and preventing an active material layer from being irregularly formed and a method for fabricating the same is disclosed. The electrode plate is fabricated by continuou... | 05/10/2011 |
| 7875387 | Electrode for use in electrochemical device, solid electrolyte/electrode assembly, and production method thereof In an electrode in electrochemical device, particularly an anode lithium ion secondary battery, a cathode for use in alkali storage battery, an electrode for use in fuel cell, or a capacitor electrode, a metal structure has nano size micro-pillars is constructed wit... | 01/25/2011 |
| 7858230 | Battery cathodes Batteries and related compositions and methods are disclosed. In some embodiments, a method of making a battery can include heating at least one cathode including a cathode material in an atmosphere including oxygen, heating the cathode in a vacuum, adding the catho... | 12/28/2010 |
| 7842418 | Electrode plate for battery, electrode group for battery, lithium secondary battery, method for producing electrode plate for battery and apparatus for producing electrode plate for battery An electrode plate includes a both-surface coated part 14 in which an electrode active material layer 13 is provided on both surfaces of a current collector core material 12, a core material exposed part 18 in which the negative electrode... | 11/30/2010 |
| 7838146 | Low conductivity carbon foam for a battery A carbon foam battery useful for electrical applications is disclosed which includes a relatively low conductivity low density high porosity carbon foam. ... | 11/23/2010 |
| 7816031 | Nanowire battery methods and arrangements A variety of methods and apparatus are implemented in connection with a battery. According to one such arrangement, an apparatus is provided for use in a battery in which ions are moved. The apparatus comprises a substrate and a plurality of growth-rooted nanowires.... | 10/19/2010 |
| 7811703 | Nonaqueous electrolyte battery, battery pack and vehicle A nonaqueous electrolyte battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte. The negative electrode contains a negative electrode active material. The negative electrode active material has a lithium ion insertion potential of 0... | 10/12/2010 |
| 7807294 | Negative electrode for non-aqueous electrolyte secondary battery and method for producing the same A negative electrode for a non-aqueous electrolyte secondary battery, including: an active material layer capable of electrochemically absorbing and desorbing at least Li; and a current collector sheet that supports the active material layer thereon and that does no... | 10/05/2010 |
| 7790314 | Sulfonated polymer composition for forming fuel cell electrodes A membrane electrode assembly for a fuel cell is described. The materials for the membrane electrode assembly are formed from sulfonated polymers. A polymer dispersion ink containing the sulfonated polymer and a mixture of solvents is used to form the electrodes on ... | 09/07/2010 |
| 7785741 | Flat electrochemical cells and method for manufacture An electrochemical cell, comprising: a first electrode structure formed from a sheet of electrode material folded along a plurality of spaced apart intervals to form a U-fold structure having a plurality of spaced apart double-layer sections; and a second electrode ... | 08/31/2010 |
| 7781098 | Reticulated and controlled porosity battery structures The effective ionic conductivity in a composite structure is believed to decrease rapidly with volume fraction. A system, such as a bipolar device or energy storage device, has structures or components in which the diffusion length or path that electrodes or ions mu... | 08/24/2010 |
| 7776470 | Anode-to-cathode capacity ratios for SVO/CFhybrid cathode electrochemical cells Improvements in the performance of lithium electrochemical cells comprising a first cathode active material of a relatively high energy density but of a relatively low rate capability, for example CFx, contacted to one side of a current collector and with... | 08/17/2010 |
| 7771870 | Electrode protection in both aqueous and non-aqueous electrochemical cells, including rechargeable lithium batteries Electrode protection in electrochemical cells, and more specifically, electrode protection in both aqueous and non-aqueous electrochemical cells, including rechargeable lithium batteries, are presented. In one embodiment, an electrochemical cell includes an anode co... | 08/10/2010 |
| 7759004 | Electrode for lithium ion secondary batteries, lithium ion secondary battery using the same, and method for manufacturing the battery Disclosed is an electrode for lithium ion secondary batteries which includes an active material layer containing active material particles and a porous insulating layer formed on the surface of the active material layer. The porous insulating layer includes an inorg... | 07/20/2010 |
| 7749653 | Lithium ion battery A battery is provided. In the battery including a cathode, an anode having an anode active material layer provided on an anode current collector, said anode active material layer containing a carbon material as an anode active material, and an electrolyte solution, ... | 07/06/2010 |
| 7727670 | Electrode active material with multi-element based oxide layers and preparation method thereof Disclosed is an electrode active material comprising: (a) electrode active material particles capable of lithium intercalation/deintercalation; and (b) a multinary oxide coating layer partially or totally formed on the surface of the electrode active material partic... | 06/01/2010 |
| 7709144 | Methods for producing agglomerates of metal powders and articles incorporating the agglomerates Processes for making rigid, binder free agglomerates of powdered metal are disclosed. The agglomerates have a low tap density. Articles that contain binder free agglomerates made from electrochemically active powder are also disclosed. ... | 05/04/2010 |
