US 2023/0408595 A1 · POWER STORAGE SYSTEM, VEHICLE, AND ELECTRONIC DEVICE

Abstract

Provided is a power storage system, a secondary battery control system, a secondary battery measurement circuit, or the like that consumes low power. Provided is a power storage system, a secondary battery control system, a secondary battery measurement circuit, or the like that is highly integrated. The power storage system includes a secondary battery and a measurement circuit; the measurement circuit includes a resistor, a capacitor, and an inductor; one terminal of the resistor is electrically connected to one electrode of the capacitor; the other terminal of the resistor is electrically connected to one terminal of the inductor; one terminal of the inductor is electrically connected to a positive electrode of the secondary battery; and the measurement circuit has a function of measuring impedance of the secondary battery by measuring current of the resistor.

Claims15

Dependent claims

A power storage system comprising:

a secondary battery and a measurement circuit,
wherein the measurement circuit comprises a resistor, a capacitor, and an inductor,
wherein one terminal of the resistor is electrically connected to one electrode of the capacitor,
wherein the other terminal of the resistor is electrically connected to one terminal of the inductor,
wherein the one terminal of the inductor is electrically connected to a positive electrode of the secondary battery, and
wherein the measurement circuit is configured to measure impedance of the secondary battery by measuring current of the resistor.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application

18/035,992Filed 12 Nov 2021

Priority

JP 2020-19718127 Nov 2020

Published

21 Dec 2023

Term ends

Not estimatedThe source records don’t support an estimate.

Classification14 codes

G01R 31/389
Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of…
H02J 7/82
Including monitoring or indicating arrangements: control of state of charge [SOC]
H01M 10/4264
Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing: with capacitors
H01M 10/44
Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells: methods for charging or discharging

Power storage system, vehicle, and electronic device

Life of this patent

Power storage system, vehicle, and electronic device

Life of this patent

Abstract

Claims15