The faceted lithium growths

IF 38.6 1区 材料科学 Q1 CHEMISTRY, PHYSICAL
Joule Pub Date : 2023-10-18 DOI:10.1016/j.joule.2023.09.014
Peng Bai
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引用次数: 0

Abstract

In the recent research article by Yuan et al.1 published in Nature, well-defined faceted lithium metal polyhedra were obtained on ultramicroelectrodes (UMEs) at ultrahigh current densities, yet were surprisingly independent of the choices of electrolyte chemistry and UME materials. The use of UMEs avoids the ion depletion at the electrode-electrolyte interface, allowing the reliable acceleration of the reaction rate of lithium-ion reduction to outpace the reaction rate of formation of the solid electrolyte interphase (SEI), therefore minimizing the influence from SEIs in metal growths. This study revealed, for the first time, the chemistry-independent intrinsic morphology of lithium deposits and opened a new window of viewing the growth mechanisms of lithium plating in lithium-ion and lithium-metal batteries.

镶嵌的锂生长
在袁等人最近发表在《自然》杂志上的研究文章1中,在超高电流密度下,在超微电极(UME)上获得了定义明确的小面锂金属多面体,但令人惊讶的是,它与电解质化学和UME材料的选择无关。UME的使用避免了电极-电解质界面处的离子耗尽,使锂离子还原反应速率的可靠加速超过了固体电解质界面(SEI)形成的反应速率,从而最大限度地减少了金属生长中SEI的影响。这项研究首次揭示了锂沉积物与化学无关的固有形态,并为了解锂离子和锂金属电池中锂镀层的生长机制打开了一扇新的窗口。
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来源期刊
Joule
Joule Energy-General Energy
CiteScore
53.10
自引率
2.00%
发文量
198
期刊介绍: Joule is a sister journal to Cell that focuses on research, analysis, and ideas related to sustainable energy. It aims to address the global challenge of the need for more sustainable energy solutions. Joule is a forward-looking journal that bridges disciplines and scales of energy research. It connects researchers and analysts working on scientific, technical, economic, policy, and social challenges related to sustainable energy. The journal covers a wide range of energy research, from fundamental laboratory studies on energy conversion and storage to global-level analysis. Joule aims to highlight and amplify the implications, challenges, and opportunities of novel energy research for different groups in the field.
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