About 22 results
https://drivepatents.com/patents/1394173 · 13 May 2026
Provided is a fire prevention apparatus including a switch connected to a battery through a first line, a variable resistor unit connected to the switch, a fuse connected to a second line connecting the battery with a device powered from the battery and to...
https://drivepatents.com/patents/1380769 · 9 Apr 2026
A battery management system and method for extending battery lifetime is provided. In a test mode, the battery management system controls a charging frequency of a battery cell according to a plurality of pulse wave modulation signals respectively within a...
https://drivepatents.com/patents/1380770 · 9 Apr 2026
An apparatus and a method for diagnosing a battery cell. The apparatus may include a reference cell module including at least one reference cell composed of a super-capacitor, a measuring device configured to measure a reference impedance of the reference ...
https://drivepatents.com/patents/1380479 · 2 Apr 2026
A battery diagnosis apparatus include: an ohmic resistance determining unit configured to determine an ohmic resistance of a battery cell in each of a plurality of impedance profiles generated at different time points for the battery cell, a resistance cha...
https://drivepatents.com/patents/1380109 · 26 Mar 2026
A battery power computing method, applied to a battery, comprising: acquiring a battery resistance table of the battery, wherein the battery resistance table comprises first mapping relations between a plurality of battery resistances of the battery and a ...
https://drivepatents.com/patents/1378403 · 5 Feb 2026
Aspects of the disclosure include a system for monitoring a capacitance across a battery cell during electrolyte wetting and cell formation and methods of using the same. An exemplary system includes a battery cell, a first conductive plate positioned over...
https://drivepatents.com/patents/1377905 · 8 Jan 2026
An embodiment relates to an apparatus and method for proactive detection of thermal runaway using a battery management system (BMS) having an electrochemical impedance spectroscopy (EIS) function, and more specifically, to an apparatus and method for proac...
https://drivepatents.com/patents/1396195 · 25 Jun 2025
A battery monitoring apparatus is provided for a secondary battery (40) that produces a change in reaction heat at a predetermined capacity when a storage capacity changes in accompaniment with a current conduction. The battery monitoring apparatus include...
https://drivepatents.com/patents/1372280 · 2 Jan 2025
The present disclosure relates to an EIS measuring device comprising: an electrical energy storage circuit; an electronic circuit coupled to the electrical energy storage circuit and configured to be coupled to a battery whose impedance is to be measured b...
https://drivepatents.com/patents/1395926 · 25 Dec 2024
Dispositif de détermination d'impédance d'une pluralité d'étages (2) d'une pile à combustible (3), le dispositif comprenant un système de mesure (11) ayant un système d'excitation (C1) commun à la pluralité d'étages (2), un circuit équivalent (C...