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摘要
<正>The slow reaction kinetics, combined with the relatively large radius of K-ion, makes it challenging to develop acceptable electrode materials for reversible insertion/deinsertion of potassium ions, thus reducing the cycle stability and reversible capacity of aqueous potassium-ion batteries (PIBs)[1]. Given this, there is still a long way to go in developing high-performance electrode materials for PIBs with a stable cycle life and high energy density.
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