Abstract

1. A PVP/Bi2S3 is used as the cathode of Li–CO2 battery for the first time. 2. The introduction of PVP not only increases the generation of S vacancy, but also improves the electronic conductivity of Bi2S3. 3. The proposed PVP/Bi2S3 cathode can also be applied to Li–O2 and Li–CO2 battery systems.

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