TECHNOLOGY

How to control energy density, product uniformity, self-discharge, and internal resistance in battery manufacturing?

How to control energy density, product uniformity, self-discharge, and internal resistance in battery manufacturing?

  • Wednesday, 02 August 2023
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Energy density: Lithium-sulfur battery has the highest energy density among primary batteries at present, with specific energy up to 590W·h/kg and 1100 (Wh/dm3).

Product uniformity: mass-produced batteries are controlled within a certain error range, and the error value is small. Maintaining the uniformity of battery performance during production can improve the yield rate of production, thereby controlling the occurrence of defective rates and reducing production costs.

Self discharge: the self discharge of ER battery is low, the annual self discharge rate is less than 1% under normal temperature, and the storage period can reach 15 years under the environment below 35 ℃.

Internal resistance: The internal resistance of the battery refers to the resistance to the current flowing through the battery when the battery is working.

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