About 29 results
https://drivepatents.com/patents/949936 · 22 Jul 2015
To provide an electrode roll capable of preventing lowering of production efficiency due to active material particles that have fallen. An electrode roll (600) in which a sheet-like electrode base material (500) which is subjected to cutting to be an elect...
https://drivepatents.com/patents/974682 · 21 May 2014
A battery system according to the present invention includes a secondary battery; a battery control unit that controls charging and discharging of said secondary battery; and a charging/discharging management unit that controls the charging and discharging...
https://drivepatents.com/patents/974973 · 14 May 2014
A battery pack that has multiple battery units that differ in full charge capacity is charged and discharged to the maximum. A method of manufacturing the battery pack includes the following steps. First, battery cells that differ in full charge capacity a...
https://drivepatents.com/patents/979185 · 29 Jan 2014
A power storage system includes a plurality of secondary battery packs and an upper controller. When causing an additional discharge secondary battery pack that is not being discharged to start being discharged by connecting the additional discharge second...
https://drivepatents.com/patents/979996 · 8 Jan 2014
There is provided a lithium ion battery having high flame retardancy and good cycle characteristics on a long-term basis. The lithium ion battery according to this exemplary embodiment is a lithium ion battery comprising a nonaqueous electrolytic solution ...
https://drivepatents.com/patents/982239 · 6 Nov 2013
An object of the present invention is to provide a gel electrolyte for a lithium ion secondary battery having flame retardancy over a long period and a good capacity maintenance rate. The gel electrolyte for a lithium ion secondary battery according to the...
https://drivepatents.com/patents/982543 · 30 Oct 2013
Remaining capacity calculation section (110) calculates the remaining capacity for each of cells (300-1) and (300-2) connected in parallel with each other, and control section (130) stops discharge of the first cell from cells (300-1) and (300-2), whose re...
https://drivepatents.com/patents/982537 · 30 Oct 2013
Remaining capacity calculation section (110) calculates remaining capacities for each of cells (300-1) and (300-2) connected in parallel with each other, and control section (130) stops, after starting discharge of cells (300-1) and (300-2), discharge of o...
https://drivepatents.com/patents/982525 · 30 Oct 2013
Remaining capacity calculation section (110) calculates remaining capacities for each of cells (300-1) and (300-2) connected in parallel with each other, and control section (130) discharges one of cells (300-1) and (300-2) having priority until the remain...
https://drivepatents.com/patents/987239 · 21 Aug 2013
A controller (130) reads out a voltage value correlated with the ambient temperature of a battery (200) measured by a temperature measurer (110) from a storage device (120), so that a charger (140) charges the battery (200) at the voltage value read out by...