Issue 2, 2022

Non-lithium-based metal ion capacitors: recent advances and perspectives

Abstract

Metal ion capacitors (MICs), as the combination of supercapacitors and rechargeable batteries, are endowed with higher energy density and longer cycle life but not at the expense of high-power properties. The low reserves and uneven geographical distribution of lithium resources stimulate enormous interest in alternative non-lithium based MICs (NLMICs). In recent years, tremendous efforts have been devoted to design and fabricate high performance NLMIC systems. Although still facing many challenges, the development of NLMICs has been made great progress. In this review, we first discuss the operating mechanisms of the NLMIC systems, and then mainly review the research progresses of the involved electrode materials, aqueous/organic electrolytes, and device design toward monovalent (Na+ and K+) and multivalent (Mg2+, Ca2+, Zn2+, and Al3+) MICs. Finally, an outlook on the involved challenges and future perspective of the NLMICs is also proposed.

Graphical abstract: Non-lithium-based metal ion capacitors: recent advances and perspectives

Article information

Article type
Review Article
Submitted
23 Okt. 2021
Accepted
02 Dec. 2021
First published
03 Dec. 2021

J. Mater. Chem. A, 2022,10, 357-378

Non-lithium-based metal ion capacitors: recent advances and perspectives

S. Nagamuthu, Y. Zhang, Y. Xu, J. Sun, Y. Zhang, F. U. Zaman, D. K. Denis, L. Hou and C. Yuan, J. Mater. Chem. A, 2022, 10, 357 DOI: 10.1039/D1TA09119K

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