Electrocatalytic activity of MnO2 nanosheet array-decorated carbon paper as superior negative electrode for vanadium redox flow batteries

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成果类型：

期刊论文

作者：

Jiang, Yingqiao;Feng, Xiaojian;Cheng, Gang;Li, Yuehua;Li, Chuanchang;...

通讯作者：

He, Zhangxing;Dai, Lei;Wang, Ling

作者机构：

[He, ZX; Dai, L; Wang, L; Feng, Xiaojian; Jiang, Yingqiao; Dai, Lei; Li, Yuehua; Zhou, Huizhu; Cheng, Gang; He, Zhangxing; Zhu, Jing; Meng, Wei; Wang, Ling] North China Univ Sci & Technol, Sch Chem Engn, Tangshan 063009, Peoples R China.

[Li, Chuanchang; He, Zhangxing] Changsha Univ Sci & Technol, Sch Energy & Power Engn, Changsha 410114, Hunan, Peoples R China.

[Dai, Lei; He, Zhangxing; Wang, Ling] North China Univ Sci & Technol, Hebei Prov Key Lab Photocatalyt & Electrocatalyt, Tangshan 063009, Peoples R China.

通讯机构：

[He, ZX; Dai, L; Wang, L] N

North China Univ Sci & Technol, Sch Chem Engn, Tangshan 063009, Peoples R China.

语种：

英文

关键词：

Energy storage;Vanadium redox flow batteries;Carbon paper;MnO2 nanosheets;Electrochemical kinetics

期刊：

Electrochimica Acta

ISSN：

0013-4686

年：

2019

卷：

322

页码：

134754

DOI：

10.1016/j.electacta.2019.134754

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [51504079, 51472073]; Hebei Natural Science Fund for Distinguished Young Scholar [E2017209079]; Open Research Fund of Key Laboratory of Efficient & Clean Energy Utilization of Education Department of Hunan Province [2018NGQ008]

机构署名：

本校为其他机构

院系归属：

能源与动力工程学院

摘要：

An in-situ and controllable redox deposition method has been applied to prepare binder-free MnO2 nanosheet array-decorated carbon paper as negative electrode for vanadium redox flow batteries (VRFB). Electrochemical performance of electrode depends on amount and uniform distribution of MnO2 on carbon paper, which were controlled by solution pH, KMnO4 concentration, and deposition time. Modified carbon paper (CPA-05-30) with a uniform MnO2 nanosheet coating layer was obtained in 0.05 M KMnO4 + 0.5 M H2SO4 solution for 30 min. CPA-05-30 presents the most excellent electrocatalytic performance fo...

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Electrocatalytic activity of MnO2 nanosheet array-decorated carbon paper as superior negative electrode for vanadium redox flow batteries

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