Patent application number | Description | Published |
20090059473 | ELECTRIC DOUBLE LAYER CAPACITOR - A porous electrolytic solution reservoir which is capable of being impregnated with an electrolytic solution is provided in an exterior case so as to make contact with a separator. The average diameter of the pores in the electrolytic solution reservoir is greater than the average diameter of pores in the separator. The electrolytic solution reservoir is impregnated with a predetermined amount of electrolytic solution, so that the occupation ratio of electrolytic solution within the pores in the separator becomes 50% or more when fully charged, and the occupation ratio of electrolytic solution within the pores in the electrolytic solution reservoir becomes 100% or less when fully discharged. | 03-05-2009 |
20090136832 | ELECTRICAL ENERGY STORAGE CELL AND ELECTRICAL ENERGY STORAGE MODULE INCLUDING THE SAME - The storage cell comprises a flat roll electrode that includes a strip of positive electrode having a positive electrode current collector foil and a positive electrode layer formed thereon, a strip of negative electrode having an electrode current collector foil and a negative electrode layer formed, and a strip of electrically insulated separator, the strip of positive electrode and the strip of negative electrode being wound into a flat roll configuration with the strip of electrically insulated separator sandwiched therebetween; a sealed casing that hermetically seals the flat roll electrode impregnated with an electrolyte; a positive terminal and a negative terminal each electrically insulated from the sealed casing, connected to the positive current collector foil and the negative current collector foil, respectively. | 05-28-2009 |
20090147442 | ELECTRIC DOUBLE-LAYER CAPACITOR AND METHOD OF PRODUCING SAME - The present invention relates to an electric double-layer capacitor and a method for producing same capable of evenly and rapidly doping a negative electrode layer with lithium ions. The electric double-layer capacitor comprises: a positive electrode including a positive electrode layer formed on one surface of a positive electrode current collector; a negative electrode including a negative electrode layer formed on one surface of a negative electrode current collector; a first separator disposed between the positive electrode layer and the negative electrode layer; and a second separator disposed between the positive electrode current collector and the negative electrode current collector, in which the negative electrode includes holes penetrating through the negative electrode current collector and reaching the negative electrode layer. | 06-11-2009 |
20090148759 | ENERGY STORAGE DEVICE CELL AND CONTROL METHOD THEREOF - An energy storage device cell includes: a capacitor cathode including a capacitor cathode collector foil, and a capacitor cathode electrode layer formed on one face of the capacitor cathode collector foil and containing microparticles of activated carbon; a first separator; a common anode including an anode collector foil having a through-hole, and an anode electrode layer formed on one face of the anode collector foil; a second separator; and a battery cathode including a battery cathode collector foil, and a battery cathode electrode layer formed on one face of the battery cathode collector foil and containing particles of a lithium-containing metal compound. The first separator is sandwiched by the capacitor cathode electrode layer and the anode electrode layer. The second separator is sandwiched by the anode collector foil and the battery cathode electrode layer. | 06-11-2009 |
20110281170 | ELECTRIC STORAGE DEVICE ELECTRODE AND METHOD FOR MANUFACTURING SAME - A method of manufacturing an energy storage device electrode in which breakage of electrode particles and warping of a collector are reduced, and internal resistance is lowered by lowering the contact resistance between the collector and an electrode layer. The method manufactures an electric double-layer capacitor electrode, and includes: forming a plurality of grooves that run in one direction in each of a front surface and rear surface of a collector foil; subsequently providing an electrode layer that includes plural electrode particles on each of the front surface and rear surface of the collector foil; and subsequently pressing the electrode layer toward the collector foil to move the plurality of electrode particles along the plurality of grooves until the plural electrode particles dig into the plurality of grooves. | 11-17-2011 |
20120114982 | ENERGY STORAGE DEVICE CELL - Provided is an energy storage device cell capable of enhancing energy density. The energy storage device cell includes: a battery main body including battery anode plate members and battery cathode plate members, in which the battery cathode plate members are placed at both ends in a stack direction; common anode plate members each including a common anode collector foil having a through-hole formed therein and common anode electrode layers, the common anode plate members being stacked on the battery cathode plate members placed at both ends in the stack direction of the battery main body; capacitor cathode plate members each including a capacitor cathode collector foil and a capacitor cathode electrode layer, in which the capacitor cathode electrode layer is placed between the common anode plate member and the capacitor cathode collector foil. | 05-10-2012 |
20120130655 | DEGRADATION MONITORING METHOD AND DEGRADATION MONITORING DEVICE FOR ELECTRICITY STORAGE DEVICE - A damage calculation unit ( | 05-24-2012 |
20120176730 | ELECTRIC STORAGE DEVICE - An electric storage device includes an electric storage device body impregnated with an electrolyte solution, a sheath for hermetically sealing the electric storage device body, and a pressure regulator provided at the sheath. The pressure regulator includes a plurality of gas release mechanism portions. Further, the pressure regulator allows release of gases from an inside space of the sheath in which the electric storage device body exists to an outside space by causing the gases from the inside space to pass through the gas release mechanism portions in succession, and blocks entry of gases from the outside space to the inside space by the respective gas release mechanism portions. A buffer space is formed between the gas release mechanism portions by being partitioned by the gas release mechanism portions. | 07-12-2012 |
20120189890 | FLAT-WOUND ELECTRICITY STORAGE DEVICE CELL AND FLAT-WOUND ELECTRICITY STORAGE DEVICE MODULE - A cathode terminal includes a cathode collector foil connector connected to the blank of a cathode collector foil, a cathode terminal external lead-out portion, and an intra-cell cathode terminal radiator located between the cathode collector foil connector and the cathode terminal external lead-out portion and covering approximately half of one of the wide side surfaces of a flat-wound electrode portion. An anode terminal includes an anode collector foil connector connected to the blank of an anode collector foil, an anode terminal external lead-out portion, and an in-cell anode terminal radiator located between the anode collector foil connector and the anode terminal external lead-out portion and substantially covering a remaining portion of the one of the wider side surfaces of the flat-wound electrode portion. | 07-26-2012 |
20120276421 | POWER STORAGE DEVICE CELL, MANUFACTURING METHOD THEREFOR, AND ELECTRIC STORAGE DEVICE - A power storage device cell is configured to include a capacitor positive electrode, a lithium positive electrode, and a common negative electrode in which electrode layers are formed on a collector foil in which penetration holes are formed, and such that the capacitor positive electrode and the lithium positive electrode are directly connected; each of the electrode layers of the common negative electrode is formed of a carbon-based material in which graphite particles and hard carbon particles are mixed, and the proportion of the hard carbon particles in the carbon-based material is from 5% by weight to 70% by weight. | 11-01-2012 |
20120282495 | POWER STORAGE DEVICE CELL, MANUFACTURING METHOD AND STORING METHOD THEREFOR, AND ELECTRIC STORAGE DEVICE - A power storage device cell is configured such that a capacitor positive electrode and a lithium positive electrode are directly connected with each other; a second electrode layer is formed of a material including particles of phosphoric-acid-type lithium compound having an olivine-type structure; the third electrode layers are formed mainly of particles of lithium titanate; and a third collector foil is formed of an aluminum foil. | 11-08-2012 |
20130208405 | ELECTRIC STORAGE DEVICE PRESSURE REGULATING APPARATUS AND ELECTRIC STORAGE DEVICE - An electric storage device pressure regulating apparatus includes: a case in an internal portion of which is disposed a regulating chamber that communicates with a space in a vessel by an opening portion; a semipermeable membrane that seals the opening portion; a check valve that stops discharging of the gas out of the vessel from inside the regulating chamber when the internal pressure of the regulating chamber is less than or equal to a predetermined value, and that discharges the gas out of the vessel from inside the regulating chamber when the internal pressure of the regulating chamber exceeds the value; and a communicating pipe that communicates between a space inside the regulating chamber and a space inside the vessel and extends from the case to an electric storage device main body. | 08-15-2013 |
20130241466 | REGENERATIVE POWER SUPPLY SYSTEM - A control device controls, with regard to a regenerative current exceeding a current value set at a power migration start point, a first power storage device to be assigned with a current value set at the power migration start point and a second power storage device to be assigned with the regenerative current exceeding the current value set at the power migration start point. The control device increases a sharing ratio of the first power storage device along a curve with a lapse of time, and performs discharge from the second power storage device to the first power storage device when a charge current is equal to or smaller than the current value set at the power migration start point in a period during which the regenerative current exceeding the current value set at the power migration start point is being charged in the first power storage device. | 09-19-2013 |
20140111145 | CHARGING CONTROL APPARATUS AND CHARGING CONTROL METHOD FOR SECONDARY BATTERY - A charging control apparatus for a secondary battery, including a current control apparatus for, upon charging for a secondary battery from an electric generator regenerating kinetic energy as regenerative energy, performing control so as to suppress charging current for the secondary battery at a start of charging to a predetermined suppression rate with respect to charging current at the start of charging in the case that the charging current is not suppressed, and decrease the suppression rate as time elapses. | 04-24-2014 |