N, P Co-doped Hierarchical Porous Graphene as a Metal-Free Bifunctional Air Cathode for Zn−Air Batteries

Lijun Zhou; Chunyan Zhang; Xiaoyi Cai; Yao Qian; Haifeng Jiang; Baosheng Li; Linfei Lai; Zexiang Shen; Wei Huang

doi:10.1002/celc.201701148

N, P Co-doped Hierarchical Porous Graphene as a Metal-Free Bifunctional Air Cathode for Zn−Air Batteries

Lijun Zhou, Chunyan Zhang, Xiaoyi Cai, Yao Qian, Haifeng Jiang, Baosheng Li, Linfei Lai, Zexiang Shen, Wei Huang

Research output: Contribution to journal › Article › peer-review

22 Scopus citations

Abstract

The development of high-efficiency Zn−air batteries represents one of the emerging energy storage and conversion technologies. In this work, hierarchically structured N, P co-doped graphene (NPHG) has been synthesized through the chemical polymerization of aniline and phytic acid in the presence of SiO₂ nanoparticles and applied as air cathodes for rechargeable Zn−air batteries, owing to its high bifunctional oxygen electrocatalytic activities. The P−N bond, rather than P−C or P=N bonds, in NPHG is proposed to be responsible for the high catalytic activity. The rechargeable Zn−air batteries assembled from this NPHG exhibited much higher reversibility and better stability as compared with a benchmark Pt/C catalyst.

Original language	English
Pages (from-to)	1811-1816
Number of pages	6
Journal	ChemElectroChem
Volume	5
Issue number	14
DOIs	https://doi.org/10.1002/celc.201701148
State	Published - 11 Jul 2018
Externally published	Yes

Keywords

bifunctional electrocatalystic
graphene
OER
ORR
Zn−air battery

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10.1002/celc.201701148

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title = "N, P Co-doped Hierarchical Porous Graphene as a Metal-Free Bifunctional Air Cathode for Zn−Air Batteries",

abstract = "The development of high-efficiency Zn−air batteries represents one of the emerging energy storage and conversion technologies. In this work, hierarchically structured N, P co-doped graphene (NPHG) has been synthesized through the chemical polymerization of aniline and phytic acid in the presence of SiO2 nanoparticles and applied as air cathodes for rechargeable Zn−air batteries, owing to its high bifunctional oxygen electrocatalytic activities. The P−N bond, rather than P−C or P=N bonds, in NPHG is proposed to be responsible for the high catalytic activity. The rechargeable Zn−air batteries assembled from this NPHG exhibited much higher reversibility and better stability as compared with a benchmark Pt/C catalyst.",

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AU - Zhou, Lijun

AU - Zhang, Chunyan

AU - Cai, Xiaoyi

AU - Qian, Yao

AU - Jiang, Haifeng

AU - Li, Baosheng

AU - Lai, Linfei

AU - Shen, Zexiang

AU - Huang, Wei

PY - 2018/7/11

Y1 - 2018/7/11

N2 - The development of high-efficiency Zn−air batteries represents one of the emerging energy storage and conversion technologies. In this work, hierarchically structured N, P co-doped graphene (NPHG) has been synthesized through the chemical polymerization of aniline and phytic acid in the presence of SiO2 nanoparticles and applied as air cathodes for rechargeable Zn−air batteries, owing to its high bifunctional oxygen electrocatalytic activities. The P−N bond, rather than P−C or P=N bonds, in NPHG is proposed to be responsible for the high catalytic activity. The rechargeable Zn−air batteries assembled from this NPHG exhibited much higher reversibility and better stability as compared with a benchmark Pt/C catalyst.

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KW - bifunctional electrocatalystic

KW - graphene

KW - OER

KW - ORR

KW - Zn−air battery

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N, P Co-doped Hierarchical Porous Graphene as a Metal-Free Bifunctional Air Cathode for Zn−Air Batteries

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Keywords

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