Patent · US Active

Method for charging secondary battery

US11631986B2 · kind B2 · utility

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6Claims
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Assignee

Inventor

Key dates

Filing dateFeb 4, 2020
Grant dateApr 18, 2023
Priority date
Expiry dateAug 4, 2040

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/10
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

It is an object of the invention to provide a method for efficiently charging a secondary battery. The method of the disclosure is a method for charging a secondary battery that includes step (A) for measuring an internal resistance of the secondary battery, and step (B) for increasing or decreasing the maximum charging voltage of the secondary battery in accordance with increase or decrease of the measured internal resistance.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.