About 310 results
Showing the first 200 results.
https://drivepatents.com/patents/979449 · 22 Jan 2014
A communication system provided with a battery assembly obtained by connecting in series a plurality of battery packs having at least one rechargeable battery cell; a battery management unit for managing the battery packs; and an optical line used for tran...
https://drivepatents.com/patents/979703 · 15 Jan 2014
The present invention is aimed at providing a nonaqueous electrolyte secondary battery capable of improving cycling characteristics by improving a positive electrode active material when particles with a structure in which primary particles are aggregated ...
https://drivepatents.com/patents/981452 · 4 Dec 2013
There is provided an electricity storage system (10) which comprises an electricity storage device (30), a charge and discharge switch device (60) placed to be connected to the electricity storage device (30), a control block (80) which is a charge and dis...
https://drivepatents.com/patents/981620 · 27 Nov 2013
The present invention provides a positive electrode active material for a nonaqueous electrolyte secondary battery which is capable of improving an initial discharge capacity and suppressing a decrease in discharge voltage and a decrease in battery capacit...
https://drivepatents.com/patents/982195 · 6 Nov 2013
The method of detecting battery degradation level detects the change in residual capacity (SOC) for one charging period or one discharging period of a battery 1 being charged and discharged. Weighting factors that establish degradation level according to t...
https://drivepatents.com/patents/982592 · 30 Oct 2013
It is an object of the present invention to provide a positive electrode for nonaqueous electrolyte secondary batteries that can suppress decreases in the discharge capacity and discharge voltage even when continuous charging is performed at high temperatu...
https://drivepatents.com/patents/982516 · 30 Oct 2013
A power supply system comprises: a battery pack 44 that outputs at least one of a status signal and an abnormal signal; a switch circuit 30 for connecting a storage battery control group to a power input/output line; and a sub-controller 24 that receives a...
https://drivepatents.com/patents/983635 · 9 Oct 2013
To provide a conductive agent for a nonaqueous electrolyte secondary battery and the like, in which oxidative decomposition reaction of an electrolyte is sufficiently suppressed during charging and discharging under high-temperature, high-voltage condition...
https://drivepatents.com/patents/987052 · 11 Sep 2013
Provided is a control apparatus for an ancillary service that utilizes storage batteries. The control apparatus (10), which is for controlling charging/discharging between a power storage unit (20) and a power grid (5), and of discharging from the power st...
https://drivepatents.com/patents/984237 · 4 Sep 2013
[Problem] To provide an electricity supply system that efficiently utilizes electricity. [Solution] An electricity supply system includes: a power generation unit (10) for supplying electricity; a load unit (11) for consuming at least one of the electricit...