Interphases in the electrodes of potassium ion batteries

IF 2.9 4区 物理与天体物理 Q2 OPTICS
Yupei Han, Ajay Piriya Vijaya Kumar Saroja, H. Tinker, Yang Xu
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引用次数: 6

Abstract

Rechargeable potassium-ion batteries (PIBs) are of great interest as a sustainable, environmentally friendly, and cost-effective energy storage technology. The electrochemical performance of a PIB is closely related to the reaction kinetics of active materials, ionic/electronic transport, and the structural/electrochemical stability of cell components. Alongside the great effort devoted in discovering and optimising electrode materials, recent research unambiguously demonstrates the decisive role of the interphases that interconnect adjacent components in a PIB. Knowledge of interphases is currently less comprehensive and satisfactory compared to that of electrode materials, and therefore, understanding the interphases is crucial to facilitate electrode materials design and advance battery performance. The present review aims to summarise the critical interphases that dominate the overall battery performance of PIBs, which includes solid-electrolyte interphase (SEI), cathode-electrolyte interphase (CEI), and solid-solid interphases in composite electrodes, via exploring their formation principles, chemical compositions, and determination of reaction kinetics. State-of-the-art design strategies of robust interphases are discussed and analysed. Finally, perspectives are given to stimulate new ideas and open questions to further the understanding of interphases and the development of PIBs.
钾离子电池的电极界面
可充电钾离子电池(PIBs)作为一种可持续、环保、高性价比的储能技术受到广泛关注。PIB的电化学性能与活性物质的反应动力学、离子/电子输运以及电池组分的结构/电化学稳定性密切相关。除了在发现和优化电极材料方面所做的巨大努力之外,最近的研究明确地证明了在PIB中连接相邻组件的界面相的决定性作用。与电极材料相比,目前对界面相的了解还不够全面和令人满意,因此,了解界面相对于促进电极材料的设计和提高电池性能至关重要。本综述旨在通过探讨复合电极的形成原理、化学成分和反应动力学的测定,总结影响PIBs整体电池性能的关键界面相,包括固体-电解质界面相(SEI)、阴极-电解质界面相(CEI)和固体-固体界面相。讨论和分析了当前最先进的鲁棒界面设计策略。最后,给出了激发新想法和开放问题的观点,以进一步理解界面期和pib的发展。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
3.00
自引率
48.10%
发文量
53
审稿时长
3 months
期刊介绍: This journal is devoted to the rapidly advancing research and development in the field of nonlinear interactions of light with matter. Topics of interest include, but are not limited to, nonlinear optical materials, metamaterials and plasmonics, nano-photonic structures, stimulated scatterings, harmonic generations, wave mixing, real time holography, guided waves and solitons, bistabilities, instabilities and nonlinear dynamics, and their applications in laser and coherent lightwave amplification, guiding, switching, modulation, communication and information processing. Original papers, comprehensive reviews and rapid communications reporting original theories and observations are sought for in these and related areas. This journal will also publish proceedings of important international meetings and workshops. It is intended for graduate students, scientists and researchers in academic, industrial and government research institutions.
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