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| Number | Title | Issue Date |
| 6596436 | Nickel positive electrode plate for alkaline storage batteries and method for producing the same The present invention provides a sintered nickel positive electrode plates for alkaline storage batteries with a high capacity density in which the working voltage during discharge is kept from dropping and the utilization of the positive electrode active... | 07/22/2003 |
| 6589612 | Battery and method of making the same Applying materials, e.g. electrolytes and other materials, in the form of a spray during battery manufacture, particularly using a vibratory nebulizer to produce a small droplet, low velocity spray.... | 07/08/2003 |
| 6589690 | Secondary battery There is provided a secondary battery comprising an electrode group comprising a positive electrode, a negative electrode having a negative electrode collector and a negative electrode layer held to the collector, and a separator interposed between the po... | 07/08/2003 |
| 6589300 | Method for producing lithium secondary battery The present invention relates to a method for producing a lithium secondary battery and more particularly, to a method for producing a lithium secondary battery comprising steps of unwinding a separation film for insulating electrodes by a roller, simulta... | 07/08/2003 |
| 6589299 | Method for making electrode Described are methods of making electrodes for electrochemical systems, especially cathodes for lithium polymer batteries, and products prepared from the methods; the methods involve the use of a reciprocating extruder, the extrusion of essentially solven... | 07/08/2003 |
| 6586133 | Nano-battery systems A nano-battery or micro-battery produced by a process which includes the steps of providing a membrane with a plurality of pores, filling the membrane pores with an electrolyte, and capping the filled pores with electrodes in communication with the electr... | 07/01/2003 |
| 6582483 | Method for manufacturing positive electrode for alkaline storage battery A method for manufacturing a positive electrode for an alkaline storage battery that achieves excellent filing characteristics for an active material for the positive electrode and longer lifetime of the battery is provided. The method includes a first pr... | 06/24/2003 |
| 6582482 | Tin-clad substrates for use as current collectors, batteries comprised thereof and methods for preparing same The present invention provides a current collector for a battery which comprises a lead or lead alloy substrate and a thin cladding of tin, batteries utilizing such a current collector and methods for manufacturing such batteries. Preferably the tin cladd... | 06/24/2003 |
| 6582481 | Method of producing lithium base cathodes A method of producing a layer of lithiated material is provided wherein a mixture of Li (TMHD) and Co (acac)3 is dissolved in an organic solvent comprising diglyme, toluene and HTMHD to produce a solution. The solution is deposited upon a subst... | 06/24/2003 |
| 6576365 | Ultra-thin electrochemical energy storage devices An ultra-thin electrochemical multi-cell energy storage device is provided within a single lightweight flexible casing. The energy storage device utilizes perforated isolating frames to form its internal structure. By adhering multi-layer current collecto... | 06/10/2003 |
| 6576364 | Deferred assembly construction of electrochemical cells Printed electrochemical cells including both power cells and display cells are arranged in a partially assembled condition to extend shelf life of the cells. The partially assembled condition is also used as a switching mechanism for controlling activatio... | 06/10/2003 |
| 6547839 | Method of making an electrochemical cell by the application of polysiloxane onto at least one of the cell components Lithium-ion electrochemical cells include an anode, a cathode and a separator between the anode and cathode, wherein at least one of the anode, cathode and separator includes a polysiloxane coating thereon. Most preferably, the polysiloxane coating is the... | 04/15/2003 |
| 6541156 | Negative electrode material for non-aqueous lithium secondary battery, method for manufacturing the same, and non-aqueous lithium secondary battery using the same The present invention relates to a negative electrode material for a non-aqueous lithium secondary battery comprising a metal material M consisting of solid phases A and B, a graphite material, and a carbonaceous material having a crystallinity lower than... | 04/01/2003 |
| 6537334 | Polymeric mesoporous separator elements for laminated lithium-ion rechargeable batteries A mesoporous polymeric membrane for use as an ionically-conductive inter-electrode separator in a rechargeable battery cell is prepared from a coatable composition comprising a polymeric material, a volatile fluid solvent for the polymeric material, and a... | 03/25/2003 |
| 6537701 | Coated lithium electrodes Batteries including a lithium anode stabilized with a metal-lithium alloy and battery cells comprising such anodes are provided. In one embodiment, an electrochemical cell having an anode and a sulfur electrode including at least one of elemental sulfur, ... | 03/25/2003 |
| 6533827 | Bonding electrochemical cell components The invention provides a method for preparing subassemblies for an electrochemical cell or a stack of electrochemical cells, particularly a stack of fuel cells for the direct generation of electricity. The method includes bonding together two or more elec... | 03/18/2003 |
| 6534215 | Sintered cadmium negative electrode for alkaline storage battery and method for producing thereof The present invention discloses a sintered cadmium negative electrode for use in an alkaline storage battery having a porous sintered nickel substrate and an active material containing cadmium hydroxide, the active material impregnated in the porous sinte... | 03/18/2003 |
| 6521381 | Electrode and membrane-electrode assemblies for electrochemical cells An electrode structure for an electrochemical cell is formed by forming a mixture comprising proton-conductive material and carbon particles, applying the mixture to a current collector sheet to form a film, and dispersing a catalyst in the form of metall... | 02/18/2003 |
| 6517973 | Non-aqueous electrolyte battery A non-aqueous electrolyte battery having improved low temperature characteristics and preservation characteristics. The non-aqueous electrolyte battery includes a negative electrode containing a carbon material as a negative electrode active material, a p... | 02/11/2003 |
| 6517971 | Nickel-hydrogen secondary battery and process for producing electrode therefor By using a thin film-formed positive electrode, and negative electrode and a film separator, the capacity density of the electrode plate can be improved and at the same time a nickel-hydrogen secondary battery with a higher capacity can be easily obtained... | 02/11/2003 |
| 6511516 | Method and apparatus for producing lithium based cathodes A method of producing a layer of lithiated material is provided wherein a mixture of Li(acac) and Co (acac)3 is dissolved in an aqueous solvent to produce a solution. The solution is deposited upon a substrate by atomizing the solution, passing... | 01/28/2003 |
| 6511517 | Method for producing a secondary lithium cell comprising a heat-sensitive protective mechanism A method for producing a secondary lithium cell which has at least one lithium-cycling negative electrode, at least one lithium-intercalating positive electrode, at least one separator disposed between the positive and the negative electrode, and a nonaqu... | 01/28/2003 |
| 6506518 | Lithium secondary battery A lithium secondary battery capable of improving high temperature cycle life characteristic effectively without decreasing discharge capacity. Amorphous carbon powder with a specific surface area of 10.0 m2 /g and a mean particle diameter of 7.... | 01/14/2003 |
| 6503652 | Fuel cell assembly method with selective catalyst loading A method of manufacturing an electrode for an electrochemical fuel cell is disclosed, comprising providing a sheet of compressed mass of expanded graphite particles having a plurality of perforations defined by walls of the expanded graphite particles, an... | 01/07/2003 |
| 6500217 | Process for applying electrode layers to a polymer electrolyte membrane strip for fuel cells A process is disclosed for applying electrode layers to a polymer electrolyte membrane strip in a desired pattern, wherein the front and back of the membrane are continuously printed with the electrode layers in the desired pattern using an ink containing... | 12/31/2002 |
| 6495283 | Battery with trench structure and fabrication method thereof The present invention relates to a battery having a trench structure which can increase an effective area per unit area, and a fabrication method therefor. The battery according to the present invention forms trenches on thin film elements including a sub... | 12/17/2002 |
| 6488721 | Methods of preparing electrochemical cells Provided are methods of preparing a cathode/separator assembly for use in electrochemical cells in which a microporous separator layer is coated on a temporary carrier substrate and a cathode active layer is then coated or laminated on the separator layer... | 12/03/2002 |
| 6485855 | Active solid polymer electrolyte membrane in solid polymer type fuel cell and process for the production thereof An active solid polymer electrolyte membrane in a solid polymer type fuel cell comprises a solid polymer electrolyte membrane and a plurality of precious metal catalyst particles supported on the surfaces of the aforementioned solid polymer electrolyte me... | 11/26/2002 |
| 6475554 | Method of producing electrode of non-aqueous electrolyte battery A method for industrial and simplified production of an electrode for a non-aqueous electrolyte battery without unfavorable peeling of the electrode coating layer is provided. An electrode for a non-aqueous electrolyte battery is produced by mixing an ele... | 11/05/2002 |
| 6458170 | Method for making thin, flat, dense membranes on porous substrates A method of fabricating a thin, flat dense membrane on a porous substrate in which the green substrate is selected to have a predetermined shrinkage on firing which matches or is greater than the shrinkage of a thin uniformly applied film on firing.... | 10/01/2002 |
| 6451481 | Lithium polymer battery A lithium secondary battery having a bi-cell type battery cell consisting of an anode plate, a separator fixed to both surfaces of the anode plate and a cathode plate fixed to either outer surface of the separator, wherein the cathode plate includes a cat... | 09/17/2002 |
| 6451472 | Lithium battery and manufacturing method thereof A lithium polymer battery having a positive electrode including a positive electrode current collector and positive electrode sheets on at least one surface of the positive electrode current collector, the positive electrode sheets having a positive elect... | 09/17/2002 |
| 6451480 | Polyimide-based lithium ion battery A polyimide-based lithium ion battery is presented. The battery comprises at least one anode and at least one ionically conductive and electrochemically active cathode; or at least one ionically conductive and electrochemically active anode and a cathode;... | 09/17/2002 |
| 6447946 | Lithium-ion battery A cylindrical lithium-ion battery with high safety, high capacity and high power has a winding group having a positive electrode, a negative electrode and at least one separator, and a connecting portion for connecting to respective terminals from the win... | 09/10/2002 |
| 6444366 | Non-sintered electrode and method of manufacturing same A metal sheet (1) which constitutes a non-sintered type electrode support is processed to have minute irregularities on its surface. The irregularities are formed by a mechanical method such that protrusions (9) and indentations (8) are configured with a ... | 09/03/2002 |
| 6440183 | Methods of insulating button-type batteries Methods of insulating batteries, and in particular thin-profile batteries comprising button-type batteries and resultant insulated battery constructions are described. In one aspect, a flowable insulating material is distributed over an edge region of a b... | 08/27/2002 |
| 6440598 | Separator for low temperature type fuel cell and method of production thereof A separator for a low-temperature fuel cell comprises a stainless steel substrate S having a surface to which carbonaceous particles such as graphite particles GP or carbon black aggregates CA adhere with dotted distribution. The carbonaceous particles ar... | 08/27/2002 |
| 6432579 | Method of manufacturing secondary battery negative electrode The present invention relates to a process for producing an anode for a secondary battery, which is capable to reduce a contact resistance between a sintered material which contains silicon as an anode active material and a current collector. A binder and... | 08/13/2002 |
| 6428842 | Process for producing an impermeable or substantially impermeable electrode A process for producing an impermeable electrode for electrolytic capacitors, supercapacitors or batteries, with an impermeable conductive layer of graphite, which is deposited from a suspension comprising graphite at a concentration between 1 and 50 g/l ... | 08/06/2002 |
| 6423105 | Process for producing an electrode for a battery A process for producing an electrode for a battery, wherein electrode active material layers are firmly formed on both surfaces of a current collector for the electrode. An electrode coating containing an electrode active material, a binder, a solvent and... | 07/23/2002 |
