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- Cho, Jaephil
- Nano Energy Storage Material Lab.
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Using lithium chloride as a medium to prepare N,P-codoped carbon nanosheets for oxygen reduction and evolution reactions
- Author(s)
- Li, Ping, Jang, Haeseong, Yuan, Bing, Wu, Zexing, Liu, Xien, Cho, Jaephil
- Issued Date
- 2019-02
- Citation
- INORGANIC CHEMISTRY FRONTIERS, v.6, no.2, pp.417 - 422
- 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 kg Zn -1 , and the rechargeable battery shows excellent charge-discharge cycle efficiency. © 2019 the Partner Organisations.
- Publisher
- Royal Society of Chemistry
- ISSN
- 2052-1553
- Keyword
- High energy densities, Hydrophilic carbons, Oxygen reduction and evolution reactions, Rechargeable zinc-air batteries, Zinc air batteries, Ammonia, Carbon, Catalyst activity, Electrocatalysts, Electrolytic reduction, Lithium Chloride, Nanosheets, Oxygen, Zinc, Ammonia atmosphere, Bifunctional electrocatalysts, Carbon nanosheets, Charge-discharge cycle
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