K⁺ ions are introduced as an electrolyte additive to achieve electrostatic shielding on μ-Sn, thereby achieving uniform sodiation and enhanced electrode stability.

中文翻译：

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静电屏蔽提高钠离子电池合金型负极材料的电化学性能

引入K ⁺离子作为电解质添加剂，实现对μ-Sn的静电屏蔽，从而实现均匀钠化，增强电极稳定性。