About 32 results
https://drivepatents.com/patents/966464 · 10 Dec 2014
The present invention provides a charge/discharge measuring apparatus capable of appropriate charge/discharge management by accurately measuring a capacitance change of a secondary battery in charge/discharge. This charge/discharge measuring apparatus is c...
https://drivepatents.com/patents/969211 · 8 Oct 2014
Provided are a charge/discharge control circuit having a self-test function, which can dispense with a complicated test device, and a battery device. [0002] The battery device includes the charge/discharge control circuits each including a pull-up/pull-dow...
https://drivepatents.com/patents/970065 · 17 Sep 2014
The present invention is a control device of a secondary battery using, as material of a positive electrode, positive electrode active material that shows a difference of an open circuit voltage curve between during charge and discharge. A storing unit sto...
https://drivepatents.com/patents/976176 · 16 Apr 2014
A battery control apparatus which can calculate a state of charge of a battery with high accuracy is provided. The battery control apparatus of the invention determines whether or not an open circuit voltage of a battery cell is within a high sensitivity r...
https://drivepatents.com/patents/976088 · 16 Apr 2014
Disclosed is a method and system for allocating identifiers to multi-slaves in a battery pack. The method for allocating identifiers, in which a master battery management system (BMS) allocates identifiers to N (N is an integer of 2 or above) number of sla...
https://drivepatents.com/patents/976376 · 9 Apr 2014
The present disclosure describes a voltage equalization apparatus for equalizing voltages of adjacent power storage unit racks included in a power storage system. The voltage equalization apparatus according to the present disclosure includes a resistor to...
https://drivepatents.com/patents/977142 · 19 Mar 2014
A battery state indication device includes a control circuit (21) that reads a plurality of voltage thresholds corresponding to an identified battery pack (12) from a threshold memory (21a) and compares the voltage of the battery pack (12) measured by the ...
https://drivepatents.com/patents/977969 · 26 Feb 2014
A semiconductor device is provided for measuring voltage of each of plural unit cells series-coupled in multi-stage and configuring an assembled battery. While satisfying the functional safety standards with dual-redundancy of the function of battery volta...
https://drivepatents.com/patents/979577 · 15 Jan 2014
A battery cell assembly includes a battery cell, a pouch, and a conductive lead. The pouch surrounds the battery cell and includes an inner insulative jacket, an outer insulative jacket, and a conductive foil disposed between the inner and outer insulative...
https://drivepatents.com/patents/987266 · 21 Aug 2013
A fail signal indicating overcharge/overdischarge of unit cells detected by voltage detecting ICs (21-1) to (21-n) is transmitted as a digital signal and an analog signal to a CPU 32. If the analog fail signal and digital fail signal agree with each other,...