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説明:

In this work, we introduce a mixed-coordination electrolyte (MCE) combined with a molecular additive (MCE-MA) designed to promote anion-derived interphases and enhance cycling stability in high-voltage RMBs. The MCE formulation integrates dissociative and associative coordinating salts to optimize both Mg2+ transport and interphase formation, while the molecular additive facilitates the development of uniform, robust interphases. MCE-MA exhibits improved Mg plating/stripping efficiency in Cu|Mg asymmetric cells and sustains over 250 hours of stable cycling in Mg|Mg symmetric cells, significantly outperforming conventional halide-free ether-based electrolytes. Furthermore, MCE-MA enables long-term cycling of full cell with oxide-based cathode, achieving 200 cycles at 100 mA g−1. X-ray photoelectron spectroscopy (XPS) and time-of-flight secondary ion mass spectrometry (ToF-SIMS) were employed systematically to reveal the origin of enhanced performance.

権利情報:

• Creative Commons BY Attribution 4.0 International
  

キーワード: Mg battery, electrolyte, interphase, coordination

刊行年月日: 2026-05-25

出版者: Wiley

掲載誌:

• Advanced Science (ISSN: 21983844) vol. 13 issue. 45 e75749

研究助成金:

• JST JPMJGX23S1

原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://doi.org/10.1002/advs.75749

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更新時刻: 2026-08-17 16:44:43 +0900

MDRでの公開時刻: 2026-08-17 18:27:59 +0900