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What is the diaphragm material of ER high temperature battery?

The diaphragm, or separator, material in ER (energy release) high temperature batteries is typically a microporous polymer material.

One common material used as the separator in ER high temperature batteries is polyethylene (PE), specifically a high-temperature-resistant version known as high-density polyethylene (HDPE). PE separators have excellent chemical resistance, mechanical strength, and thermal stability, making them well-suited for use in high-temperature environments.

Other materials that can be used as diaphragm or separator in ER high temperature batteries include polypropylene (PP), polyvinylidene fluoride (PVDF), and ceramic materials such as aluminum oxide (Al2O3) and lithium aluminum titanium phosphate (LATP).

What is the diaphragm material of ER high temperature battery

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