Recent progress on heterostructure materials for next-generation sodium/potassium ion batteries

Peng Du, Liang Cao, Bao Zhang, Chunhui Wang, Zhiming Xiao, Jiafeng Zhang, Dong Wang and Xing Ou

Renewable and Sustainable Energy Reviews, 2021, vol. 151, issue C

Abstract: The high demand for clean and renewable energy has fueled the exploration of advanced energy storage systems. Sodium-ion batteries (SIBs) and potassium-ion batteries (PIBs) provide huge potential due to their earth abundance, high capacity, various types and good electron transport dynamics, and are recognized as new attractive energy storage systems. However, the practical development of next-generation SIBs/PIBs anode is impeded by formidable challenges, including relatively low energy density, unique reaction system and delicate structure design/construction. To overcome these difficulties, the heterostructure anodes (HSAs) are extensively investigated and highly expected to provide guidance for new materials exploration and electrochemical properties enhancement. Herein, comprehensive understandings of the electrochemical behaviors, reaction mechanisms and future modification strategy for HSAs are summarized and unveiled in this review.

Keywords: Heterostructure anode materials; Synthesis approaches; Characterization methods; Reaction mechanisms; Sodium/potassium-ion batteries; Built-in electric field (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1016/j.rser.2021.111640

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