Emerging high-entropy material electrodes for metal-ion batteries

Abstract

High-entropy materials (HEMs) have recently attracted extensive research interest. Featuring unique structural characteristics and excellent mechanical/chemical properties, HEMs (especially high-entropy alloys and oxides) emerge as promising electrode materials for electrochemical energy storage. We herein present a critical review to update the recent progress in developing new HEMs electrodes for various metal-ion batteries. Their design principle is discussed along with the preparation, characterization, and electrochemical performance as electrode materials. The current state-of-the-art HEM electrodes is presented, covering good capacity, rate capacity, and long-term cycle stability in ion batteries. By addressing both the success and challenges associated with HEM development, this review contributes to the recent research efforts toward achieving higher capacity and more stable ion batteries.

Keywords

high-entropy electrodes / metal-ion battery / energy storage

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