Patent application number | Description | Published |
20080252259 | Power supply unit and electric apparatus - Provided is a power supply unit that notifies the third person that the electric apparatus is in the state prohibiting introduction into vehicle and also make the electric apparatus in the state safely introducible into vehicle at the same time. | 10-16-2008 |
20080311471 | Non-aqueous electrolyte secondary battery and production method thereof - A method for producing a non-aqueous electrolyte secondary battery comprising the steps of: (i) mixing a positive electrode active material, a first binder A and a dispersion medium to prepare a paste A, the active material comprising a lithium-containing transition metal oxide; (ii) mixing a conductive agent, a second binder B and a dispersion medium to prepare a paste B, the conductive agent comprising carbon black; (iii) mixing the paste A and the paste B to prepare a positive electrode material paste C; (iv) applying the positive electrode material paste C onto a positive electrode core member and rolling and drying the resultant member to prepare a positive electrode; and (v) fabricating a battery using the positive electrode, a negative electrode and a non-aqueous electrolyte, wherein contact angle θ | 12-18-2008 |
20090286152 | ELECTRICITY STORAGE DEVICE - In an electricity storage device buried with a storage battery accommodated in a housing, it is aimed to prevent a positive electrode terminal and a negative electrode terminal from being corroded even upon condensation in the housing. | 11-19-2009 |
20100052621 | POWER SYSTEM AND SET BATTERY CHARGING METHOD - This invention relates to a power system comprising secondary batteries and a method of charging a set battery, and more specifically relates to technology which prevents degradation of a set battery which is a power source, even when using a simple constant-voltage charger. An object of this invention is to provide a power system and a charging method which, when using a constant voltage to charge secondary batteries having a higher energy density per unit weight than lead storage batteries, can reduce concerns of deformation of the secondary batteries due to overcharging, and improve safety. According to this invention, in a power system including a set battery in which a plurality of cells are connected in series, and a constant-voltage charger which applies a constant rated charging voltage V | 03-04-2010 |
20100188048 | NONAQUEOUS SECONDARY BATTERY, BATTERY PACK, POWER SUPPLY SYSTEM, AND ELECTRICAL DEVICE - A nonaqueous secondary battery includes a negative electrode plate | 07-29-2010 |
20100194342 | POWER SUPPLY SYSTEM AND CELL ASSEMBLY CONTROL METHOD - The power supply system of this invention includes a cell assembly in which a first assembled battery, formed from a plurality of first cells connected in series, and a second assembled battery, formed from a plurality of second cells connected in series, are connected in parallel, and a generator. An average charging voltage V | 08-05-2010 |
20100201318 | POWER SUPPLY SYSTEM AND CELL ASSEMBLY CONTROL METHOD - The power supply system of the present invention includes: a cell assembly in which a first assembled battery, formed from a plurality of first cells connected in series, and a second assembled battery, formed from a plurality of second cells connected in series, are connected in parallel; and a generator for charging the cell assembly. The cell assembly is configured such that an average charging voltage V | 08-12-2010 |
20100225276 | POWER SUPPLY SYSTEM - The power supply system of this invention includes a cell assembly in which a first assembled battery, made up of a plurality of first cells connected in series, and a second assembled battery, made up of a plurality of second cells connected in series, are connected in parallel, and a generator that charges the cell assembly. The cell assembly is configured such that an average charging voltage V | 09-09-2010 |
20100253284 | POWER SUPPLY SYSTEM AND CONTROL METHOD OF ASSEMBLED BATTERY - A power supply system comprises: an assembled battery in which a plurality of cells are connected in series and which supplies power from a series circuit of the cells to a device; a power generator that parallely supplies generated power to the assembled battery and the device connected in parallel; a plurality of forced discharge units that cause the plurality of cells to forcibly discharge individually; a cell state detector that detects a state of each cell; and a controller which, when the cell state detector detects that at least one of the plurality of cells is in a first state showing that the cell is not fully charged, causes the cell detected to be in the first state to discharge by means of the forced discharge units until the cell state detector detects that the cell enters a second state having a lower state of charge than the first state. | 10-07-2010 |