journal article Open Access Feb 01, 2022

Recent Advances in 2D Heterostructures as Advanced Electrode Materials for Potassium‐Ion Batteries

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Abstract
Owing to the cost‐effectiveness, Earth abundance, and suitable redox potential, potassium‐ion batteries (PIBs) stand out as one of the best candidates for large‐scale energy storage systems. However, the large radius of K+ and the unsatisfied specific capacity are the main challenges for their commercial applications. To address these challenges, constructing heterostructures by selecting and integrating 2D materials as host and other materials as guest are proposed as an emerging strategy to obtain electrode materials with high capacity and long lifespan, thus improving the energy storage capability of PIBs. Recently, numerous studies are devoted to developing 2D‐based heterostructures as electrode materials for PIBs, and significant progress is achieved. However, there is a lack of a review article for systematically summarizing the recent advances and profoundly understanding the relationship between heterostructure electrodes and their performance. In this sense, it is essential to outline the promising advanced features, to summarize the electrochemical properties and performances, and to discuss future research focuses about 2D‐based heterostructures in PIBs.
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Details
Published
Feb 01, 2022
Vol/Issue
3(3)
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Funding
Deutsche Forschungsgemeinschaft Award: LE2249/5-1
China Scholarship Council Award: 201906890026
Chinesisch-Deutsche Zentrum für Wissenschaftsförderung Award: GZ1579
Cite This Article
Yulian Dong, Chengzhan Yan, Huaping Zhao, et al. (2022). Recent Advances in 2D Heterostructures as Advanced Electrode Materials for Potassium‐Ion Batteries. Small Structures, 3(3). https://doi.org/10.1002/sstr.202100221