US Patent Application 18321294. BATTERY DETECTION METHOD AND APPARATUS, AND READABLE STORAGE MEDIUM simplified abstract

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BATTERY DETECTION METHOD AND APPARATUS, AND READABLE STORAGE MEDIUM

Organization Name

Contemporary Amperex Technology Co., Limited

Inventor(s)

Ting Feng of Ningde (CN)

Jijun Zhang of Ningde (CN)

Shaofei Wang of Ningde (CN)

Yimin Wei of Ningde (CN)

BATTERY DETECTION METHOD AND APPARATUS, AND READABLE STORAGE MEDIUM - A simplified explanation of the abstract

This abstract first appeared for US patent application 18321294 titled 'BATTERY DETECTION METHOD AND APPARATUS, AND READABLE STORAGE MEDIUM

Simplified Explanation

The patent application describes a method and apparatus for detecting the state of a battery.

  • The apparatus includes a voltage measurement module that measures the open-circuit voltage of the battery.
  • A processor obtains the open-circuit voltage and controls a constant voltage source to input a test voltage to the battery.
  • The test voltage is the same as the open-circuit voltage and is applied after a preset time.
  • A current measurement module measures the instantaneous current of the battery after the test voltage is applied.
  • The processor obtains the instantaneous current and determines the self-discharge characteristic of the battery based on a preset current threshold.


Original Abstract Submitted

A battery detection method and apparatus are provided. The battery detection apparatus includes: a voltage measurement module, configured to connect to a battery to be tested, and measure an open-circuit voltage of the battery to be tested; a processor, configured to obtain the open-circuit voltage; a constant voltage source, configured to input a test voltage to the battery to be tested under control of the processor after the battery to be tested stands for a preset time, the test voltage is the same as the open-circuit voltage; and a current measurement module, configured to measure an instantaneous current of the battery to be tested after the test voltage is inputted. The processor is also configured to obtain the instantaneous current and determine the self-discharge characteristic of the battery to be tested according to the instantaneous current and a preset current threshold.

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