Flexible and rechargeable Zn–air batteries basedon green feedstocks with a 75% round‐trip efficiency

Sustainable Energy & Fuels 1(9) 1909-1914

https://doi.org/10.1039/C7SE00346C

Chao Lin, Sambhaji S. Shinde, Yong Wang, Yu Sua, Si Chen, Haojie Zhang, Xiaopeng Li, and Jung‐Ho Lee

Abstract

Here, we report a flexible solid-state Zn–air battery (SZAB) that achieves a record round-trip efficiency of 75%. The major components of the SZAB are based on biomass derivatives. Glucose acts as the carbon source to construct the bifunctional oxygen electrocatalyst. Methylcellulose simultaneously enhances the ionic conductivity and water retention of the gel electrolyte, endowing the SZAB with enhanced flexibility and efficiency.

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