About 50 results
https://drivepatents.com/patents/1008975 · 5 Oct 2011
A parallel device for a battery module including a plurality of battery groups, comprising: a plurality of switching units, each comprising a first switch and a load and each connected with a battery group to form a braches which are connected together in ...
https://drivepatents.com/patents/1009533 · 14 Sep 2011
A power supply system (100) includes a power storage module (120) including first and second power storage units (121, 122) spaced by a predetermined distance from each other, and a power generating unit (140) being capable of contacting with both of the f...
https://drivepatents.com/patents/1009697 · 31 Aug 2011
A battery system(1), which allows adjustment of balance of the voltages among the chargeable batteries while preventing electric loss, includes a plurality of battery modules(21)(22)(23)(24)(25) connected in series, each battery module including a pluralit...
https://drivepatents.com/patents/1010096 · 17 Aug 2011
A voltage equalization device (200) of a power storage device (300) provided with battery packs (20) in which a plurality of secondary cells are connected, power converters (30) provided in association with the battery packs (20), and controllers (40) that...
https://drivepatents.com/patents/1010892 · 20 Jul 2011
An arrangement for charging batteries, the arrangement comprising cell groups (3), a battery pack (2) including two or more cell groups (3) connected in series, cell-group-specific monitoring units (4) and a charger (1) charging the battery pack (2). The c...
https://drivepatents.com/patents/1011516 · 29 Jun 2011
A secondary cell control system includes a plurality of cells; a charging circuit section and a discharging circuit section. The charging circuit section charges cells selected from among said plurality of cells, and the discharging circuit section dischar...
https://drivepatents.com/patents/1013834 · 13 Apr 2011
A charging control method for a battery pack including a plurality of battery cells in which a full charge voltage value is initially set as a first voltage value. The charging control method includes: charging the plurality of battery cells to the first v...
https://drivepatents.com/patents/1015733 · 16 Feb 2011
Provided is an imbalance identifying circuit, including: a voltage detection unit for detecting a terminal voltage in each of a plurality of accumulators; a gradient acquisition unit for performing gradient information acquisition processing of suspending ...
https://drivepatents.com/patents/1016132 · 26 Jan 2011
A cell apparatus that emits and receives AC power via magnetic field resonance includes a cell interface and a circuit to generate a magnetic field when emitting the AC power and to generate an AC current when exposed to a magnetic field from an external d...
https://drivepatents.com/patents/1016450 · 19 Jan 2011
Provided is an electric energy storage device capable of improving a charging efficiency when electric power supplied with an input current having a current value repeatedly exhibiting peaks and valleys is to be storaged by using a secondary battery and an...