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| Number | Title | Issue Date |
| 6355376 | Positive electrode material based on titanium oxysulphide for electrochemical generator and method for making same The invention relates to a material for a positive electrode based on titanium oxysulphide for an electrochemical generator and its method of preparation. This oxysulphide corresponds to the formula TiOa S3+b in which a and b are suc... | 03/12/2002 |
| 6350542 | Sulfite additives for nonaqueous electrolyte rechargeable cells A lithium ion electrochemical cell having high charge/discharge capacity, long cycle life and exhibiting a reduced first cycle irreversible capacity, is described. The stated benefits are realized by the addition of at least one sulfite additive to an ele... | 02/26/2002 |
| 6350546 | Sulfate additives for nonaqueous electrolyte rechargeable cells A lithium ion electrochemical cell having high charge/discharge capacity, long cycle life and exhibiting a reduced first cycle irreversible capacity, is described. The stated benefits are realized by the addition of at least one sulfate additive to an ele... | 02/26/2002 |
| 6348285 | 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 includes a particle of positive electrode material and a conductive material at least partially embedded within the interior of the partic... | 02/19/2002 |
| 6346348 | Rechargeable lithium battery with a lithium molybdenum oxide electrode A rechargeable lithium battery has a positive electrode containing hexagonal-structured lithium molybdenum oxide as an active material. The lithium molybdenum oxide, on charge and discharge, is represented by the formula Lix My Mo | 02/12/2002 |
| 6319633 | Rechargeable lithium battery A rechargeable lithium battery has a positive electrode, a negative electrode and a non-aqueous electrolyte. The active material of the positive or negative electrode is tungsten complex sulfide, either with or without addition of lithium thereto. The tun... | 11/20/2001 |
| 6316145 | Non-aqueous electrolyte battery and charging method therefor In a non-aqueous electrolyte battery using titanium oxide or lithium titanate as a negative electrode material for negative electrode, polymeric electrolyte is interposed between the negative electrode and a positive electrode. If titanium oxide or lithiu... | 11/13/2001 |
| 6306543 | Electrodes and methods of making them An electrode for electrochemical processes comprising an electrically conductive wire having a coating of a polymer having dispersed in it Magneli phase oxide particles, at least half the mass thereof being constituted by particles with diameters in the r... | 10/23/2001 |
| 6300009 | Lithium secondary battery In a lithium secondary battery of this invention, an active material of either a positive electrode or a negative electrode includes a composite sulfide having the same crystal structure as MoS2 or Mo2 S3, or the composite... | 10/09/2001 |
| 6287727 | Manganese-lithium ion electrolytic cell There is provided a positive electrode comprising positive electrode active material granules which each are composed of lithium manganate; and a first surface layer which is formed on each of the positive electrode active material granules and is to tran... | 09/11/2001 |
| 6284215 | Manufacturing method of active materials for the positive electrode in alkaline storage batteries A process for producing positive electrode active material includes feeding an aqueous nickel salt solution, aqueous solutions of different kinds of metals, aqueous solution containing ammonium ions and aqueous alkali solution each independently and simul... | 09/04/2001 |
| 6274271 | Non-aqueous electrolyte lithium secondary battery A non-aqueous electrolyte lithium secondary battery comprising a negative electrode of spinel-type lithium-titanium oxide with improved overcharge and overdischarge characteristics is disclosed. In this battery, the rechargeable electric capacity of the n... | 08/14/2001 |
| 6270926 | Lithium secondary battery A lithium secondary battery includes an anode, a cathode and a separator containing non-aqueous electrolytic solution or solid-state electrolyte, interposed between the anode and the cathode. The anode comprises, as an active material, lithium metal, lith... | 08/07/2001 |
| 6270924 | Lithium secondary battery The invention provides a lithium secondary battery, comprising a cathode having a spinel-structured lithium-manganese complex oxide as the active material, which is characterized in that the particles of said spinel-structured lithium-manganese complex ox... | 08/07/2001 |
| 6265106 | Alkali metal 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 described. The stated benefits are realized by the addition of at ... | 07/24/2001 |
| 6255017 | Electrode material and compositions including same An electrode composition that includes an electrode material consisting essentially of a plurality of electrochemically active metal elements in which the electrode material has a microstructure comprising these elements in the form of a mixture that is e... | 07/03/2001 |
| 6228534 | Annealing of mixed metal oxide electrodes to reduce polarization resistance The thermal treatment of transition metal oxide electrodes such as silver vanadium oxide cathode plates, contacted to titanium current collectors for the purpose of reducing polarization resistance in an alkali metal electrochemical cell, is described. Th... | 05/08/2001 |
| 6225007 | Medal vanadium oxide particles Metal vanadium oxide particles have been produced with an average diameter less than about 500 nm. The particles are produced from nanocrystalline vanadium oxide particles. Silver vanadium oxide particles, for example, can be formed by the heat treatment ... | 05/01/2001 |
| 6221534 | Alkali metal electrochemical cell having an improved cathode activated with a nonaqueous electrolyte having a carbonate additive The present invention is directed to an unexpected benefit in a lithium cell derived from using a combination of silver vanadium oxide prepared in a temperature range of about 450° C. to about 500° C. activated with a nonaqueous electrolyte having a pas... | 04/24/2001 |
| 6218049 | Cathode for an electrochemical cell Described is a thin-film battery, especially a thin-film microbattery, and a method for making same having application as a backup or primary integrated power source for electronic devices. The battery includes a novel electrolyte which is electrochemical... | 04/17/2001 |
| 6207327 | Totally-solid lithium secondary battery A totally-solid lithium secondary battery can be improved in charge and discharge characteristics by adding to the negative electrode a first transition metal chalcogenide or lithium.cndot.transition metal chalcogenide which acts as the active material fo... | 03/27/2001 |
| 6207038 | Process for preparing a composite electrolyte based on BIMEVOX and the use of said compound in separating oxygen from a gas mixture A process for preparing a solid composite electrolyte comprising at least one compound of the BIMEVOX family is provided. The process comprises at least one step of preparing a mixture of one or more compounds of the BIMEVOX family with one or more chemic... | 03/27/2001 |
| 6203947 | Long cycle-life alkali metal battery The present invention provides a cathode for use in a secondary electrochemical cell, such cathode being coated with a very thin, protective film, permeable to ions. The protective film of the cathode usually has a thickness of up to about 0.1 μm and it ... | 03/20/2001 |
| 6200704 | High capacity/high discharge rate rechargeable positive electrode Disclosed is a positive electrode that has a low equivalent weight and high cell voltage and consequently a high specific energy, and a high discharge rate pulse capability. Also disclosed are methods for fabricating active-sulfur-based composite electrod... | 03/13/2001 |
| 6200705 | Nickel-hydrogen secondary battery A nickel-hydrogen secondary battery having a negative electrode comprising a hydrogen-absorbing alloy containing magnesium, a rare earth element and nickel as essential elements, which is capable of suppressing the self-discharge being occurred under the ... | 03/13/2001 |
| 6190802 | Transition metal based ceramic material and electrodes fabricated therefrom A transition metal based ceramic material having the general formula Li M1-ଲ Tଲ Nx O67, wherein M is a transition metal, T is a dopant metal, and wherein x is greater than 0 and les... | 02/20/2001 |
| 6180283 | Method for reducing voltage delay in an alkali metal electrochemical cell activated with a nonaqueous electrolyte having a sulfate 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 described. The stated benefits are realized by the addition of at l... | 01/30/2001 |
| 6174623 | Conductive-polymer-coated electrode particles An electro-active compound particulate coated with a conducting polymer composition finds use in electrochemical cell electrodes.... | 01/16/2001 |
| 6174622 | Process for fabrication of low basis weight electrode active blanks The present invention is directed to the realization that the dimensions and basis weight of an electrode active admixture such as a transition metal oxide, and particularly silver vanadium oxide, formed into an electrode structure from an admixture paste... | 01/16/2001 |
| 6171729 | Control of swelling in alkali metal electrochemical cells An alkali metal/solid cathode electrochemical cell, particularly a Li/SVO cell, having an anode-to-cathode (A/C) capacity ratio of about 0.68 to about 0.96, is described. This provides the cell with negligible, if any, cell swelling during discharge.... | 01/09/2001 |
| 6165642 | Rechargeable lithium battery having an improved cathode and process for the production thereof A rechargeable lithium battery comprising at least a cathode, a separator, an anode, and an electrolyte or electrolyte solution integrated in a battery housing, is characterized by a cathode constituted of a specific powdery cathode active material having... | 12/26/2000 |
| 6165647 | Secondary battery comprising a polymerizable material in its electrolyte solution A battery excellent in high temperature storage characteristic is presented. It comprises a positive electrode having a positive electrode active material containing an transition metal complex oxide containing lithium , a negative electrode containing a ... | 12/26/2000 |
| 6153333 | Lithium-containing phosphate active materials The invention provides novel lithium-containing phosphate materials having a high proportion of lithium per formula unit of the material. Upon electrochemical interaction, such material deintercalates lithium ions, and is capable of reversibly cycling lit... | 11/28/2000 |
| 6150057 | Autoclavable electrochemical cell An autoclavable elctrochemical cell which may be used in an implantable medical device. The anode active material is lithium or other material from groups IA and IIA of the Periodic Table and having a melting point greater than about 150 degrees C. The ca... | 11/21/2000 |
| 6143443 | Stabilized electrolyte solutions, methods of preparation thereof and redox cells and batteries containing stabilized electrolyte solutions A method for stabilizing an electrolyte for use in a redox cell, in particular for stabilizing an electrolyte for use in an all-vanadium redox cell, a stabilized electrolyte, in particular an all-vanadium stabilized electrolyte, a redox cell, in particula... | 11/07/2000 |
| 6130004 | Electrode materials and electrochemical devices using same A material for use as an electrode, and particularly the anode (20) of an electrochemical device, such as an electrochemical capacitor device (10). The material is a multicomponent alloy material, including a host matrix material consisting of antimony, a... | 10/10/2000 |
| 6124057 | Non-aqueous electrolyte secondary battery The present invention provides a non-aqueous electrolyte secondary battery having an anode active material with a high capacity and excellent cycle characteristics. The active material comprises a salt of a metal or a semi-metal and a compound selected fr... | 09/26/2000 |
| 6120936 | Method for powder formation of a hydrogen storage alloy A novel method for forming powder of a hydrogen storage alloy without the need for further mechanical processing. The alloy powder may be adapted for use as the negative electrode material of rechargeable electrochemical, hydrogen storage cells. The metho... | 09/19/2000 |
| 6120938 | Non-aqueous electrolyte secondary cell A non-aqueous electrolyte secondary battery is disclosed in which hydrogen lithium titanate prepared by an acid process of lithium titanate and having pH of 11.2 or smaller or hydrogen lithium titanate expressed by general formula Hx Liy-x... | 09/19/2000 |
| 6093506 | Synthesis of silver vanadium oxide for cathode material This present invention provides a method for forming C-SVO without the need for flowing O2 during its synthesis. A method of forming silver vanadium oxide in accordance with the present invention includes combining AgO with a vanadium-containin... | 07/25/2000 |
