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Method and equipment for testing electrical property of lithium battery

A technology of detection equipment and detection methods, applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., to achieve the effect of saving costs

Active Publication Date: 2015-03-18
TAIWAN POWER TESTING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The main purpose of the present invention is to provide a lithium battery electrical testing method and equipment for non-destructive rapid testing of lithium batteries to solve known problems

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  • Method and equipment for testing electrical property of lithium battery
  • Method and equipment for testing electrical property of lithium battery
  • Method and equipment for testing electrical property of lithium battery

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Embodiment Construction

[0019] The specific embodiments adopted in the present invention will be further explained by the following embodiments and accompanying drawings.

[0020] See figure 1 , The electrical detection method of a lithium battery of the present invention is used to detect the electrical characteristics of a lithium battery. The method includes the following steps: attaching two ultrasonic probes to two sides of a lithium battery respectively (step S10); Two ultrasonic probes are used to transmit a non-destructive detection ultrasonic signal to the lithium battery, and the two ultrasonic probes sense a resonant pressure wave signal from the lithium battery. The detection ultrasonic signal is penetrated and reflected on the In the lithium battery (step S20); and comparing the resonance pressure wave signal with a reference resonance pressure wave signal to generate an electrical analysis result, wherein the reference resonance pressure wave signal is for sensing the resonance pressure fro...

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Abstract

The invention relates to a method and equipment for testing the electrical property of a lithium battery. The method includes the following steps: two ultrasonic probes are attached to two sides of the lithium battery; the two ultrasonic probes are used to transmit a nondestructive detecting ultrasonic signal to the lithium battery, and sense a resonance pressure wave signal from the lithium battery, and the detecting ultrasonic signal penetrates through and is reflected in the lithium battery; and the resonance pressure wave signal is compared with a reference resonance pressure wave signal and an electrical property analysis result is generated, thereby detecting the electrical property of the lithium battery.

Description

Technical field [0001] The present invention relates to a method and equipment for detecting lithium batteries, in particular to a method and equipment for detecting electrical properties of lithium batteries. Background technique [0002] Lithium batteries have high energy density, stable discharge characteristics, allow fast charging, long cycle life, and extremely low self-discharge, so they are used in many fields, from tiny watch batteries to car batteries. The quality of the positive and negative electrodes, electrolyte, separator material, tank, and assembly in lithium batteries all affect the electrical characteristics of lithium batteries. [0003] However, the conventional method of detecting lithium batteries requires continuous charging and discharging of the lithium battery, and electrical characteristics such as capacitance capacity, charging efficiency, storage rate, self-discharge voltage, or self-discharge rate are detected. Each charge and discharge takes a long ...

Claims

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Application Information

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IPC IPC(8): G01R31/36G01N29/04
Inventor 林裕强
Owner TAIWAN POWER TESTING TECH
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