Journal
BATTERIES & SUPERCAPS
Volume 4, Issue 12, Pages 1791-1802Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/batt.202100146
Keywords
alkali ion batteries; electrochemical performance; electrochemical storage; organic materials; oxocarbons materials
Funding
- National Nature Science Foundation of China [21975289, 21905306, U19A2019]
- Postdoctoral International Exchange Program Funding of China [115]
- China Postdoctoral Science Foundation [2019M652802]
- Key R&D Project - Department of Science and Technology of Jiangsu Province [BE2020003]
- Opening Project of Material Corrosion and Protection Key Laboratory of Sichuan Province of China [2020CL11]
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This review evaluates the electrochemical properties of oxocarbons for lithium, sodium and potassium ion batteries and summarizes the evolution, challenges, and opportunities of these compounds. Strategies to improve the conductivity and capacity decay of oxocarbon materials are discussed in the context of their potential applications in AIBs.
Benefiting from the high theoretic capacity, structural designability, low cost, abundant resources and sustainability, oxocarbons materials have attracted extensive attention as a promising candidate to replace inorganic electrode materials for alkali ion batteries (AIBs). This review focuses on the in-depth evaluation of the electrochemical properties of oxocarbons for lithium, sodium and potassium ion batteries. Further, we summarize the evolution, challenges and opportunities of oxocarbon compounds based on our current understanding. In addition, we identified two main aspects that limit their applications as electrode materials: 1) inferior conductivity and 2) fast capacity decay. Hence, in this review we also integrate different strategies to improve these two aspects, e. g., compositing with carbon, grafting conductive polymers, nanostructuring, optimizing electrolytes, designing interface, and selecting appropriate binders. This review can be useful to understand the practical application and commercial feasibility of such materials for different AIBs applications.
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