DataVXACS Applied Materials & InterfacesPaper
journal article·2022-06-01

A Chlorine-Based Redox Electrochemical Capacitor

Juan Li, Tianzhao Hu, Yuzuo Wang, Shaorui Chen, Chunzhong Wang, Dong Zhang, Zhenhua Sun, Feng Li

ACS Applied Materials & Interfaces· Volume 14· Issue 21
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Source abstract

Abstract

Electrochemical capacitors are under the spotlight due to their high power density, but they have a low energy density. Redox electrolytes have emerged as a promising approach to design high-energy electrochemical energy storage devices. Herein, a chlorine-based redox electrochemical capacitor is reported in an ionic liquid electrolyte. The commercial activated carbon is employed as the working electrode to render the reversible redox of chloride ions in an ionic liquid, by the restriction of micropores on neutral chlorine. The carbon material can simultaneously provide electrical double-layer capacitance. The effective integration of a chlorine redox reaction and electrical double layer allows for high-energy electrochemical capacitors. By this means, a rechargeable chlorine-based redox electrochemical capacitor with reversible capacity and good rate capability and cycling stability is obtained. This work offers a solution for a new type of high-energy electrochemical capacitors.
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Research context

Energy storage

OpenAlex topics: Supercapacitor Materials and Fabrication · Advanced battery technologies research · Advanced Battery Materials and Technologies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education), College of Physics, Jilin University, Changchun 130012, People’s Republic of China

Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, People’s Republic of China

School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, People’s Republic of China

Institute of Advanced Energy Storage Technology and Equipment, Ningbo University, Ningbo 315112, People’s Republic of China

School of Materials Science and Engineering, University of Science and Technology of China, Shenyang 110016, People’s Republic of China

Funding

Liaoning Revitalization Talents Program · Youth Innovation Promotion Association of the Chinese Academy of Sciences · National Natural Science Foundation of China · Chinese Academy of Sciences

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