Class / Patent application number | Description | Number of patent applications / Date published |
429128000 | Electrode or plural tablets, pellets or discs | 10 |
20080241664 | Battery Electrodes and Batteries Including Such Electrodes - A battery can include a housing, a cathode within the housing, and an anode within the housing. The cathode can include a lithium ion active cathode material and a network of conductive metallic material within the active cathode material. The cathode can have a thickness of at least 1 mm. | 10-02-2008 |
20090142655 | DISH SHAPED AND PRESSURE EQUALIZING ELECTRODES FOR ELECTROCHEMICAL BATTERIES - A stacked battery has at least two cell segments arranged in a stack. Each cell segment may have a first electrode unit having a first active material electrode, a second electrode unit having a second active material electrode, and an electrolyte layer between the active material electrodes. One or more gaskets may be included in each cell segment to seal the electrolyte within the cell segment. The electrode units may be “dish shaped” and may contain a pressure equalization valve to reduce electrode unit deflection and improve pressure equalization between cell segments. The pressure equalization valve may allow a gas to diffuse through adjacent cell segments and may substantially prevent electrolyte from diffusing through. | 06-04-2009 |
20100028767 | STACKED SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME - A stacked secondary battery is formed by laying plate-shaped positive electrodes and plate-shaped negative electrodes one on the other by way of separators, wherein a collector is disposed at the front end of the end facet of each of the positive electrodes or the negative electrodes as viewed in a direction orthogonal relative to the stacking direction and has an active substance layer formed on the collector by applying slurry of particles of an active substance with a gap separating it from the front end or the electrode active substance layer is made to show a thickness varying from the front end toward the inside. | 02-04-2010 |
20100221595 | Method of Manufacturing Power Storage Device - The invention provides a method of manufacturing a power storage device which enables facilitation of manufacturing of the power storage device while a plurality of terminal portions are prevented from overlapping one another when viewed from a stacking direction. The method of manufacturing the power storage device including a plurality of electrode elements stacked with electrolyte layers interposed between them, the method includes a first step of forming the electrode element which has a generally rotationally symmetric outer shape when viewed from a stacking direction and includes a terminal portion protruding in an outward direction of the power storage device in an area of the outer shape, and a second step of stacking the plurality of electrode elements formed in the first step with the electrolyte layers interposed between them at varying angles in a stacking plane such that the terminal portions do not overlap one another when viewed from the stacking direction. | 09-02-2010 |
20110104549 | HIGH POWER SECONDARY BATTERY - There is provided a secondary battery in which a gasket is melted by internal heat generation to prevent the secondary battery from being short circuited to each other. In one embodiment, a secondary battery includes an electrode assembly having a positive electrode plate, a negative electrode plate and a separator interposed between the positive and negative electrode plates. A can accommodates the electrode assembly and is connected to the negative electrode plate through negative electrode tabs. A cap assembly is positioned at one side of the can and electrically connected to the positive electrode plate through a positive electrode tab. A gasket is positioned between the can and the cap assembly. In the secondary battery, the gasket is formed of a heat resistant material having a predetermined amount of heat-resistant enhancing material added thereto. | 05-05-2011 |
20110183180 | Flexible asymmetric electrochemical cells using nano graphene platelet as an electrode material - A flexible, asymmetric electrochemical cell comprising: (A) A sheet of graphene paper as first electrode comprising nano graphene platelets having a platelet thickness less than 1 nm, wherein the first electrode has electrolyte-accessible pores; (B) A thin-film or paper-like first separator and electrolyte; and (C) A thin-film or paper-like second electrode which is different in composition than the first electrode; wherein the separator is sandwiched between the first and second electrode to form a flexible laminate configuration. The asymmetric supercapacitor cells with different NGP-based electrodes exhibit an exceptionally high capacitance, specific energy, and stable and long cycle life. | 07-28-2011 |
20110300429 | Automotive ballast battery - The invention is a nickel-iron alkaline storage battery used to process gaseous charged ionic emissions from a capacitor tuyere exhaust stream produced by an Electrolytic Diffusion Fuel Cell. The said ionic emissions are used in a Rapid Charge Transportation Battery pack of an electric vehicle to alleviate cathode electrode passivity during periods of heavy charging while the vehicle is in motion. | 12-08-2011 |
20140329126 | ELECTRODE AND BATTERY - A lithium-ion battery generally includes an electrode pair, an electrolyte, and a separator. The electrode pair includes a first electrode and a second electrode, wherein the first electrode and the second electrode are of opposite polarity. The electrolyte is configured to allow movement of ions between the first electrode and the second electrode. The separator is between the first electrode and the second electrode. The first electrode generally includes an active layer and a current collector. The active layer comprises a plurality of composite electrode pellets that are non-hollow and include an active material and a binder material. The active layer is provided on a first side of the current collector. The active layer has an overall porosity of greater than approximately 40%. The overall porosity includes both intra-pellet porosity and inter-pellet porosity. | 11-06-2014 |
20140377626 | NICKEL IRON BATTERY - A Nickel iron battery using a mono-block housing that has cells with leak-proof intercell connections. The intercell connections use compressed grommets to prevent fluid transfer between the cells. Each cell generates a charge that can be connected in series or parallel as required. The cells use an electrode plate that enables a manufacturing process which yields higher efficiency, higher throughput, and significantly lower battery cost. The anode composition of the cells has iron powder to increase cathode utilization, therefore lowering cathode material usage and lowering production cost. | 12-25-2014 |
20140377627 | SECONDARY BATTERY, MANUFACTURING METHOD OF SECONDARY BATTERY, ELECTRODE FOR SECONDARY BATTERY, AND ELECTRONIC DEVICE - There is provided a secondary battery including a positive electrode, a negative electrode, and a solid electrolyte layer disposed between the positive electrode and the negative electrode, wherein at least one of the positive electrode and the negative electrode contains a granular solid electrolyte and a granular conduction aid both bonded to a surface of a granular electrode active substance. | 12-25-2014 |