期刊
MATERIALS TODAY ENERGY
卷 19, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.mtener.2020.100595
关键词
Aqueous batteries; Morphological engineering; Structural engineering; Electrolyte engineering
资金
- Singapore MOE AcRF Tier 2 [2017-T2-2-069, 2018T201010]
- Singapore MOE AcRF Tier 1 [2020-T1-001-031, 2017-T1-002-0 09]
- National Research Foundation of Singapore (NRF) Investigatorship [NRF2016NRF-NRFI001-22]
- China Scholarship Council [201806370038]
- 111 project from Zhengzhou University [D18023]
Aquous multivalent metal-ion batteries (AMMIBs) have been widely used in wearable devices, consumer electronics, and electric vehicles due to their unique characteristics. Layered-structure materials are considered promising electrode materials for AMMIBs, but face challenges such as dissolution, structural instability, low conductivity, and poor electrochemical properties. Various strategies are discussed in detail to address these issues and provide insights for the design and optimization of high-performance AMMIBs, focusing on morphology, cathode structure, and electrolyte. Suggestions for future research direction in this field are provided as well.
Aqueous multivalent metal-ion batteries (AMMIBs), with their unique characteristics such as high safety, low cost, and multiple electron transfers, have been widely applied in the fields of wearable devices, consumer electronics, and electric vehicles. Layered-structure materials are regarded as promising electrode materials for AMMIBs because of their tunable interlayer spacing and the ability to accommodate other guest ions or molecules. However, their large-scale application is impeded by several issues, including the dissolution, structural instability, low conductivity, and poor electrochemical properties of active materials. This review highlights various strategies aimed to solve these issues for layered-structure cathode materials. It begins with a brief introduction on the fundamental characteristics of the AMMIBs and challenges faced by the layered-structure materials. Subsequently, several effective strategies are elaborated in detail from the point of view of morphology, structure of the cathodes, and electrolyte to provide further insights into the design and optimization of high-performance AMMIBs. Lastly, a brief summary of the strengths and weaknesses of the above strategies is presented and focus is placed on the possible research direction in this field. (C) 2020 Elsevier Ltd. All rights reserved.
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