Carbon Electrode Materials for Advanced Potassium‐Ion Storage

Author:

Zhang Wenchao12,Huang Rui12,Yan Xu12,Tian Chen12,Xiao Ying3,Lin Zhang12,Dai Liming4,Guo Zaiping5ORCID,Chai Liyuan12

Affiliation:

1. School of Metallurgy and Environment Central South University Changsha 410083 China

2. Chinese National Engineering Research Centre for Control & Treatment of Heavy Metal Pollution Central South University Changsha 410083 China

3. Beijing Key Laboratory of Electrochemical Process and Technology for Materials Beijing University of Chemical Technology Beijing 100029 P. R. China

4. Australian Carbon Materials Centre (A-CMC) School of Chemical Engineering University of New South Wales Sydney NSW-2052 Australia

5. School of Chemical Engineering and Advanced Materials The University of Adelaide Adelaide SA-5005 Australia

Abstract

AbstractTremendous progress has been made in the field of electrochemical energy storage devices that rely on potassium‐ions as charge carriers due to their abundant resources and excellent ion transport properties. Nevertheless, future practical developments not only count on advanced electrode materials with superior electrochemical performance, but also on competitive costs of electrodes for scalable production. In the past few decades, advanced carbon materials have attracted great interest due to their low cost, high selectivity, and structural suitability and have been widely investigated as functional materials for potassium‐ion storage. This article provides an up‐to‐date overview of this rapidly developing field, focusing on recent advanced and mechanistic understanding of carbon‐based electrode materials for potassium‐ion batteries. In addition, we also discuss recent achievements of dual‐ion batteries and conversion‐type K−X (X=O2, CO2, S, Se, I2) batteries towards potential practical applications as high‐voltage and high‐power devices, and summarize carbon‐based materials as the host for K‐metal protection and possible directions for the development of potassium energy‐related devices as well. Based on this, we bridge the gaps between various carbon‐based functional materials structure and the related potassium‐ion storage performance, especially provide guidance on carbon material design principles for next‐generation potassium‐ion storage devices.

Funder

National Natural Science Foundation of China

Australian Research Council

Publisher

Wiley

Subject

General Medicine

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