About 40 results
https://drivepatents.com/patents/1397561 · 16 Jul 2025
Embodiments of the present application provide a control method of a battery apparatus and a battery apparatus, a system, and a medium. The method includes: acquiring a state parameter of a first battery module in the battery apparatus; controlling the fir...
https://drivepatents.com/patents/1397399 · 2 Apr 2025
A method for estimating battery cell capacity may comprise deriving a discharge curve for each battery cell included in a module including a plurality of battery cells; deriving a charge curve for each battery cell included in the module; calculating an ad...
https://drivepatents.com/patents/1398213 · 12 Mar 2025
An apparatus for inspecting disconnection of an electrode tab of a battery cell according to the present invention includes: a measurement part which measures impedance values and impedance angles according to the frequency of an inspection target battery ...
https://drivepatents.com/patents/1398747 · 12 Feb 2025
An apparatus for diagnosing a state of a battery according to an embodiment of the present disclosure includes a profile generating unit configured to generate a differential profile representing a corresponding relationship between a differential voltage ...
https://drivepatents.com/patents/1398965 · 7 Aug 2024
The present disclosure relates to a method for predicting lifespan characteristics of a lithium secondary battery that can reliably predict the lifespan characteristics of a lithium secondary battery, specifically, the mode of variation in cycle capacity i...
https://drivepatents.com/patents/1366488 · 11 Jul 2024
A system for performing a measurement on a component, the system comprising: an integrated circuit (IC) comprising: analog to digital (ADC) converter circuitry; and processing circuitry, wherein the system further comprises: difference circuitry, wherein: ...
https://drivepatents.com/patents/958898 · 29 Jul 2015
This charge state calculation device is provided with a detection means for detecting the voltage and/or the current of a battery (20), a charge state calculation means for calculating the charge state of the battery (20) from the values detected by the de...
https://drivepatents.com/patents/959992 · 17 Jun 2015
A cell module (20) provided with a unit cell (101) and a sensor connected to the unit cell (101) is provided with calculation means for calculating a value indicating the state of the unit cell (101) on the basis of a value measured by the sensor, storage ...
https://drivepatents.com/patents/961694 · 15 Apr 2015
A voltage-change convergence time Ä from termination of charge and discharge of a secondary battery until convergence of change in open-circuit voltage is measured beforehand for each combination of a state of charge of the secondary battery at the time o...
https://drivepatents.com/patents/951616 · 25 Mar 2015
[PROBLEM] To appropriately estimate a time taken to eliminate the polarization of a battery unit. [SOLVING MEANS] A concentration distribution in an active material of a battery unit is calculated by using a diffusion equation, and a first polarization eli...