Patent · US Active

Measurement apparatus of power storage device and measurement method

US11988717B2 · kind B2 · utility

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14Claims
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Assignee

Inventor

Key dates

Filing dateApr 15, 2020
Grant dateMay 21, 2024
Priority date
Expiry dateApr 15, 2040

Classification

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

Abstract

A measurement apparatus of a power storage device supplies constant current to the power storage device, measures voltage of the power storage device, and computes an internal state of the power storage device on the basis of voltage change in the power storage device subjected to the measurement.

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