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| Number | Title | Issue Date |
| 8021533 | Preparation of hydrogen storage materials A candidate hydrogen storage material, M, capable of reaction with hydrogen to form a hydride, MHm (m=number of H atoms per formula unit), and to subsequently release hydrogen on demand, is processed electrochemically to enhance its absorption/desorption properties.... | 09/20/2011 |
| 7713396 | Method and apparatus for recycling electrode material of lithium secondary battery Lithium cobaltate forming the positive electrode of a lithium secondary battery is subjected together with lithium metal to reducing reaction in molten lithium chloride to produce lithium oxide and to precipitate and separate cobalt or cobalt oxide. The lithium oxid... | 05/11/2010 |
| 7241533 | Electrode for rechargeable lithium battery and rechargeable lithium battery An electrode for a rechargeable lithium battery characterized in that thin films of active material capable of lithium storage and release, i.e., microcrystalline or amorphous silicone thin films are deposited on opposite faces of a plate-form current collector.... | 07/10/2007 |
| 6805999 | Buried anode lithium thin film battery and process for forming the same A reverse configuration, lithium thin film battery (300) having a buried lithium anode layer (305) and process for making the same. The present invention is formed from a precursor composite structure (200) made by depositing electrolyte layer (... | 10/19/2004 |
| 6706444 | Process for preparing lithium manganate in spinel structure To electrolydeposited manganese dioxide of which pH being adjusted to a range higher than 2 with either a sodium compound or a potassium compound, a raw lithium material and a compound containing any element selected from a group consisting of aluminum, magnesium, c... | 03/16/2004 |
| 6613477 | Lithium secondary battery The present invention provides a lithium secondary battery having great capacity density per volume and weight. The lithium secondary battery contains a positive electrode having Li--Bi alloy or Li--Sb alloy as a positive electrode active material, a nega... | 09/02/2003 |
| 6613213 | Method for producing electrodes using microscale or nanoscale materials obtained from hydrogendriven metallurgical reactions A method is provided for producing electrodes using microscale and nanoscale metal materials formed from hydrogen driven metallurgical processes; such a the HD (hydriding, dehydriding) process, the HDDR (hydriding, dehydriding, disproportionation, and rec... | 09/02/2003 |
| 6562218 | Method for forming a thin film A reactive solution with an amount of 250 mL is made of distilled water and LiOH.multidot.H2 O (4M) melted in the distilled water. Then, the reactive solution is put in a flow-type reactor, and is flown in between an anode electrode and a catho... | 05/13/2003 |
| 6468690 | Methods of fabricating electrochemical cells Conditioning secondary lithium ion cells at elevated temperatures above ambient reduces the time required to complete this process and produces cells and batteries which demonstrate improved electrochemical performance. Conditioning includes subjecting an... | 10/22/2002 |
| 6465133 | Metallic porous body and method of manufacturing the same and battery current collector having the same A metallic porous body comprises a metallic framework having a three-dimensional network with a continuous-pore structure formed by linking sub-stantially polyhedral cells. The substantially polyhedral cells have an average cell diameter of about 200 to a... | 10/15/2002 |
| 6447669 | Recycling of galvanic cells Lithium ion cells in which the cathode contains a particulate insertion material and a binder are cut open in a dry, inert atmosphere (10). The cell components are treated with a first organic solvent (12) to dissolve the electrolyte, so that this can be ... | 09/10/2002 |
| 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 first metal having a melting point in the range of from abou... | 04/30/2002 |
| 6025093 | Lithium ion cell The invention relates to a lithium ion cell, comprising a positive electrode which contains a chalkogen compound, containing lithium, of a transition metal, a non-aqueous electrolyte and a negative electrode which is separator-isolated and contains carbon... | 02/15/2000 |
| 5888669 | Transition metal-based ceramic material and articles fabrication therefrom A non-oxide, transition metal based ceramic material has the general formula Ay M2 Zx, wherein A is a group IA element, M is a transition metal and Z is selected from the group consisting of N, C, B, Si, and combinations t... | 03/30/1999 |
| 5882811 | Method for recovering lithium cell materials To provide a method for treating nonaqueous solvent type cells, in particular, a method by which lithium cells can be treated and resources can be recovered in safe and in a good efficiency, a method for recovering resources of lithium cells comprises the... | 03/16/1999 |
| 5882821 | Lithium ion secondary battery In a lithium ion secondary battery having a positive electrode, a negative electrode, a non-aqueous electrolyte, and a container sealing the electrodes and electrolyte therein, the positive electrode is formed of a positive electrode active material which... | 03/16/1999 |
| 5871865 | Methods of fabricating electrochemical cells Conditioning secondary lithium ion cells at elevated temperatures above ambient reduces the time required to complete this process and produces cells and batteries which demonstrate improved electrochemical performance. Conditioning includes subjecting an... | 02/16/1999 |
| 5667660 | Synthesis of charged Lix CoO2 (0<×<1) for primary and secondary batteries A method for producing stable pre-charged Lix CoO2 as the cathode active metal in primary or secondary active metal non-aqueous cells and cells using such material are disclosed.... | 09/16/1997 |
| 5599435 | Aqueous electrochemical preparation of insertion compounds and use in non-aqueous rechargeable batteries Insertion compounds that are not stable in pure water can be prepared by an aqueous electrochemical method. The pH of the electrolyte and/or the concentration of ions of the inserted species must be sufficiently high to provide stability for the product c... | 02/04/1997 |
| 5595837 | Process for prelithiation of carbon based anodes for lithium batteries A method of increasing the amount of alkali metal that is available during charge/discharge of an electrochemical cell that employs carbon based intercalation anodes is provided. The method comprises of prealkaliation of the carbon anode. By subjecting th... | 01/21/1997 |
| 5556721 | Non-aqueous electrolyte secondary battery and production method of the same A non-aqueous electrolyte secondary battery comprises at least a negative electrode, a positive electrode and a non-aqueous electrolyte. The negative electrode has an active material comprised of silicon or a silicon alloy containing lithium represented b... | 09/17/1996 |
| 5552238 | Stabilized rechargeable cell in MSE and method therefor Method is provided for preparing a stabilized rechargeable cell having a negative electrode and a molten salt electrolyte (MSE) while avoiding problems of chloroaluminate cell system which are not air stable. The cell of the present invention thus employs... | 09/03/1996 |
| 5503946 | Particulate interface for electrolytic cells and electrolytic process An electrolytic cell and electrolytic process wherein the cell includes a metal anode, such as a lithium anode, a cathode and an electrolyte. The surface of the anode is treated with a substantially non-continuous electronically conductive particulate coa... | 04/02/1996 |
| 5491037 | Method for recovering lithium cell materials To provide a method for treating nonaqueous solvent type cells, in particular, a method by which lithium cells can be treated and resources can be recovered in safe and in a good efficiency, a method for recovering resources of lithium cells comprises the... | 02/13/1996 |
| 5464708 | Titanium dioxide-based material Electrochemical insertion of lithium into titanium dioxide initially in its rutile form, the insertion being performed at an elevated temperature (for example 120° C.), produces a material Lix TiO2 with x between 0.5 and 1.0. This m... | 11/07/1995 |
| 5436093 | Method for fabricating carbon/lithium-ion electrode for rechargeable lithium cell The method includes steps for forming a carbon electrode composed of graphitic carbon particles adhered by an ethylene propylene diene monomer binder. An effective binder composition is disclosed for achieving a carbon electrode capable of subsequent inte... | 07/25/1995 |
| 5370710 | Nonaqueous electrolyte secondary cell A nonaqueous electrolyte secondary cell provided with (a) a negative electrode consisting essentially of a carrier for a negative electrode active material , said carrier being capable of being doped and dedoped with lithium, (b) a positive electrode comp... | 12/06/1994 |
| 5290592 | Manufacturing method for electrode A manufacturing method for an electrode in which ultra fine particles of active material formed in gas by an evaporation method are carried in a gas flow and blown onto a surface of a substrate, so that an electrode comprising a thin film of active materi... | 03/01/1994 |
| 5130211 | Electrolyte solution sequestering agents for electrochemical cells having carbonaceous electrodes A secondary electrochemical cell including a first electrode and a counteectrode each capable of reversibly incorporating an alkali metal, an alkali metal incorporated in at least one of the electrodes and an electrolyte solution containing an organic so... | 07/14/1992 |
| 5094738 | Method for making an electrode A method of producing an anode unit, whose active material consists of an alloy of an alkaline metal and a host metal therefore. An elongated element of the host metal is enclosed in a separator in form of a hollow fiber and is put in electrochemical cont... | 03/10/1992 |
| 4996129 | Battery The invention concerns rechargeable lithium batteries and anodes for such batteries and method of making the anodes, and comprises the features: (a) the anode may be of a solution type alloy of commercial purity Al with at least one of Mg, Ga, Ca, Si, Sn,... | 02/26/1991 |
| 4915985 | Process for forming articles of filled intrinsically conductive polymers A method of fabricating an electrode which comprises an intimate mixture of finely divided electroactive material in a matrix composed of a conjugated backbone polymer which comprises the steps of: derivatizing the surface of finely divided alkali-metal a... | 04/10/1990 |
| 4801512 | Reversible electrochemical doping of conjugated polymers and secondary batteries based thereon Conjugated polymers are doped with ionic dopant species to a preselected room temperature electrical conductivity ranging from that characteristic of semiconductor behavior to that characteristic of metallic behavior, by means of reversible electrochemica... | 01/31/1989 |
| 4797333 | Electrochemical cell The invention provides a method of making an electrochemical cell. The method comprises loading, into the cathode compartment of the cell an alkali metal aluminium halide molten salt electrolyte having the formula MAlHal4 wherein M is the alkal... | 01/10/1989 |
| 4752541 | Electrolyte for lithium-sulfur dioxide electrochemical cell Aluminum chloride can be used as an electrolyte component in a lithium-sulfur dioxide electrochemical cell to improve the cell's discharge capacity and also its electrochemical reversibility.... | 06/21/1988 |
| 4722875 | Electrochemical cell This invention provides a method of making a cathode for a high temperature rechargeable electrochemical cell. A mixture is formed in particulate form of an alkali metal chloride such as sodium chloride and a substance comprising a transition metal such a... | 02/02/1988 |
| 4713151 | Electrodeposition of lithium Ricinoleic acid triglycerides can be used to reduce dendrite formation during the electrodeposition of lithium from a nonaqueous solution which comprises at least one lithium salt and sulfur dioxide.... | 12/15/1987 |
| 4357215 | Fast ion conductors There is interest in the use of solid-solution electrodes as a way of meeting the problems of conventional batteries; Lia TiS2 where Oࣘaࣘ1 is known in this respect and may be made by high temperature preparative routes. Fast ion ... | 11/02/1982 |
| 4162202 | Means for improving contact between Li and the anode current collector An alkali metal anode is compressed on a metal current collector and is adhered thereto by means of a metal which spontaneously alloys with the alkali metal at room temperature.... | 07/24/1979 |
| 4158720 | Lithium-aluminum-iron electrode composition A negative electrode composition is presented for use in a secondary electrochemical cell. The cell also includes an electrolyte with lithium ions such as a molten salt of alkali metal halides or alkaline earth metal halides that can be used in high-tempe... | 06/19/1979 |
