Question

What is polarization influence in li ion batteries?

Answer 1

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ȯ Polarization refers to an effect reducing the performance of batteries. This effect is a displacement of electrode potential from the equilibrium value. There are two types of polarization: activation and concentration.

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Answer 2

Polarization voltage is mainly influenced by reaction process and mass transport in the battery. Therefore, factors that have relationship with the electrode reaction and mass transport can affect polarization of the battery. The investigation was conducted under 1 C CC charging condition.