Abstract

The discharge behavior of CuO-CuS based cathodes was investigated for use in primary alkaline cells. It was found that the Zn//CuO-CuS cells exhibited longer service life than traditional Zn//MnO2 cells. However, their shelf life was lower due to self-discharge reactions occurring in the cathode. The mechanism of CuO-CuS cathode self-discharge was investigated. Improved storage performance was achieved when CuS particles were encapsulated with CuO.

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