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Using lithium chloride as a medium to prepare N,P-codoped carbon nanosheets for oxygen reduction and evolution reactions

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Abstract

Highly efficient and stable bifunctional electrocatalysts for ORR and OER are essential for fabricating rechargeable zinc–air batteries. Herein, we prepared metal-free N,P-codoped hydrophilic carbon nanosheets (NPC-“Li”) as effective bifunctional electrocatalysts using LiCl as the medium, in which phytic acid was used as the source of phosphorous and carbon, and ammonia atmosphere as the source of nitrogen. Furthermore, micrometer-sized agglomerations of carbon materials were significantly restrained using LiCl. NPC-“Li” exhibits superior bifunctional catalytic activity for both ORR and OER. In addition, the NPC-“Li”-based primary zinc–air battery shows a high energy density of 908 Wh kgZn−1, and the rechargeable battery shows excellent charge–discharge cycle efficiency.

Graphical abstract: Using lithium chloride as a medium to prepare N,P-codoped carbon nanosheets for oxygen reduction and evolution reactions

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Publication details

The article was received on 16 Nov 2018, accepted on 07 Dec 2018 and first published on 07 Dec 2018


Article type: Research Article
DOI: 10.1039/C8QI01240G
Citation: Inorg. Chem. Front., 2019, Advance Article
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    Using lithium chloride as a medium to prepare N,P-codoped carbon nanosheets for oxygen reduction and evolution reactions

    P. Li, H. Jang, B. Yuan, Z. Wu, X. Liu and J. Cho, Inorg. Chem. Front., 2019, Advance Article , DOI: 10.1039/C8QI01240G

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