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What are the material properties of separators used in lithium-ion high temperature battery?

The separators used in lithium-ion high-temperature batteries are typically made of polymer-based materials that can withstand the elevated temperatures and harsh chemical environment of the battery. The material properties of these separators play a crucial role in the safety, performance, and durability of the battery.

Some of the key material properties of separators used in lithium-ion high-temperature batteries include:

Thermal stability: The separator material must be able to withstand the high operating temperatures of the battery without melting or degrading.

Electrochemical stability: The separator material must be chemically stable in the presence of the battery electrolyte and electrodes to prevent reactions that could compromise the safety or performance of the battery.

What are the material properties of separators used in lithium-ion high temperature battery

Porosity: The separator material must have a high degree of porosity to allow for the efficient flow of ions between the electrodes while also preventing direct contact between the electrodes to avoid short-circuiting.

Mechanical strength: The separator material must have sufficient mechanical strength to resist punctures or tears that could lead to internal short circuits.

Low resistance: The separator material must have low electrical resistance to minimize energy loss during battery operation.

Compatibility: The separator material must be compatible with the other materials used in the battery, including the electrodes and electrolyte, to ensure optimal performance and stability.

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