ELIIY POWER CO., LTD. Patent applications |
Patent application number | Title | Published |
20150111095 | Lithium-Ion Battery - A lithium-ion battery includes: a power generation element having a structure where a positive electrode and a negative electrode are stacked with a separator interposed therebetween; a positive-electrode current collector connected to the positive electrode; a negative-electrode current collector connected to the negative electrode; a shrink tube bundling the power generation element, the positive-electrode current collector, and the negative-electrode current collector together; a non-aqueous electrolyte; and a battery case housing the power generation element, the positive-electrode current collector, the negative-electrode current collector, the shrink tube, and the non-aqueous electrolyte, wherein the positive-electrode current collector and the negative-electrode current collector are fixed to the battery case, and the shrink tube is a seamless tube. | 04-23-2015 |
20140363731 | BATTERY LID WITH ELECTRODE TERMINAL, METHOD FOR PRODUCING BATTERY LID WITH ELECTRODE TERMINAL, AND SEALED BATTERY - A battery lid with an electrode terminal according to the present invention comprises: a lid member having an outer surface and an inner surface, and having an opening; a packing that includes a cylindrical portion penetrating through the opening of the lid member, an inner flange, and an outer flange; an electrode connection terminal that includes a base portion arranged on the inner surface of the lid member, a connection portion for connecting to a positive-electrode sheet or a negative-electrode sheet, and a rivet that projects from the base portion and penetrates through an inside opening of the cylindrical portion; and an external connection terminal that is joined to the rivet on the outer surface of the lid member, wherein the cylindrical portion is closely in contact with the sidewall of the opening of the lid member on the outside, and is closely in contact with the rivet on the inside, the inner flange is directly held between the base portion and the inner surface of the lid member, and the outer flange is directly held between the external connection terminal and the outer surface of the lid member. | 12-11-2014 |
20140230239 | METHOD FOR PRODUCING AND APPARATUS FOR PRODUCING SECONDARY BATTERY - A production apparatus is equipped with a supply unit which has a cassette member | 08-21-2014 |
20140101928 | METHOD FOR PRODUCING AND APPARATUS FOR PRODUCING SECONDARY BATTERY - After a separator is brought into a tension-free state, a plurality of guide members are crossed in a horizontal direction between rows of the guide members to fold the separator or a superposed body zigzag. Positive electrode plates or negative electrode plates are inserted into the resulting furrows to produce a secondary battery. | 04-17-2014 |
20130266849 | NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention provides a negative electrode for a nonaqueous electrolyte secondary battery, the negative electrode being produced at reduced costs, having a high graphite packing density, and having stable quality. The negative electrode according to the present invention includes a negative-electrode current collector; and a negative-electrode active material layer provided on the negative-electrode current collector, wherein the negative-electrode active material layer includes: flaky graphite particles formed by graphitizing needle coke; particulate graphite particles formed by graphitizing coke; and a binder. | 10-10-2013 |
20130266843 | POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND BATTERY MODULE - The present invention provides a positive electrode for a non-aqueous electrolyte secondary battery in which the charge/discharge rate of a secondary battery is increased by increasing the discharge/discharge rate of the positive electrode as a result of increasing the rate of incorporation and release of lithium ions in olivine-type phosphorous complex compound particles, a non-aqueous electrolyte secondary battery provided with this positive electrode for a non-aqueous electrolyte secondary battery, and a battery module provided with this non-aqueous electrolyte secondary battery. The positive electrode for a non-aqueous electrolyte secondary battery of the present invention is a positive electrode for a non-aqueous electrolyte secondary battery containing olivine-type lithium complex compound particles having a carbonaceous film formed on the surface thereof as a positive electrode active material, in which the coverage factor of the carbonaceous film relative to the surface area of the olivine-type lithium complex compound particles is preferably 95% or more, and the packed density of the olivine-type lithium complex compound particles in this positive electrode for a non-aqueous electrolyte secondary battery is preferably 0.90 g/cm | 10-10-2013 |