亲镁Cu（110）面可以实现高度可逆的Mg剥离/镀

IF 3 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materialia Pub Date : 2025-02-15 DOI:10.1016/j.mtla.2025.102377

Yating Tang , Baihua Qu , Dong Wang , Yuhang Chen , Yue Hao , Jili Yue , Guangsheng Huang , Qian Li , Jingfeng Wang , Xianhua Chen , Fusheng Pan

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引用次数: 0

摘要

可充电镁电池（RMBs）是锂离子电池（lib）的有力替代品，不仅具有高容量，而且具有不形成镁（Mg）阳极枝晶的优点。然而，在极端高电流密度条件下，镁沉积的不稳定性带来了挑战。在这里，用甲酸钠（HCOONa）进行简单的化学处理，获得了抗氧化和亲镁的表面重构Cu（110）面（SF-Cu）复合镁阳极。在Mg剥离/镀过程中，SF-Cu （Mg@SF-Cu）电极表现出2000 h以上的循环稳定性和99.0%的高库仑效率。本研究证明了Cu集热器面调制作为Mg沉积载体提高RMBs电化学可逆性的可行性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Magnesophilic Cu (110) facet enables highly reversible Mg stripping/plating

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Magnesophilic Cu (110) facet enables highly reversible Mg stripping/plating

The rechargeable magnesium batteries (RMBs) present compelling alternatives to lithium-ion batteries (LIBs), offering not only high capacity but also the advantage of free of dendrite formation of magnesium (Mg) anode. However, challenges arise from the instability in Mg deposition under extreme high current density conditions. Here, a facile chemical treatment with sodium formate (HCOONa) is reported for obtaining oxidation-resistant and magnesiophilic surface-reconfigured Cu (110) facets (SF-Cu) composite magnesium anodes. The Mg-plated SF-Cu (Mg@SF-Cu) electrodes exhibit excellent cyclic stability of over 2000 h and high coulombic efficiency of 99.0 % during Mg stripping/plating processes. This work demonstrates the feasibility of the facet modulated of Cu collectors as Mg deposition carriers to enhance the electrochemical reversibility of RMBs.

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来源期刊

Materialia MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

6.40

自引率

2.90%

发文量

345

审稿时长

36 days

期刊介绍： Materialia is a multidisciplinary journal of materials science and engineering that publishes original peer-reviewed research articles. Articles in Materialia advance the understanding of the relationship between processing, structure, property, and function of materials. Materialia publishes full-length research articles, review articles, and letters (short communications). In addition to receiving direct submissions, Materialia also accepts transfers from Acta Materialia, Inc. partner journals. Materialia offers authors the choice to publish on an open access model (with author fee), or on a subscription model (with no author fee).