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Cited by 319

The DOI matches its Crossref record; 30 of the 30 references it cites were found in a registry or an index.

Electrode potential influences the reversibility of lithium-metal anodes

Open access
Ko, Seongjae, Obukata, Tomohiro, Shimada, Tatau, Takenaka, Norio, Nakayama, Masanobu, Yamada, Atsuo, Yamada, Yuki·2022·Nature Energy

Abstract

Lithium-metal batteries are a promising technology to address the emerging demand for high-energy-density storage systems. However, their cycling encounters a low Coulombic efficiency (CE) due to the unceasing electrolyte decomposition. Improving the stability of solid electrolyte interphase (SEI) suppresses the decomposition and increases CE. However, SEI morphology and chemistry alone cannot account for CE, and a full explanation is still lacking. Here we report that in diverse electrolytes, the large shift (>0.6 V) in the Li electrode potential and its association with the Li + coordination structure influence the CE. Machine learning regression analysis and vibrational spectroscopy revealed that the formation of ion pairs is essential for upshifting the Li electrode potential, that is, for weakening the reducing ability of Li, which would lead to a high CE with diminished electrolyte decomposition. Various electrolytes with enhanced ion-pairing solution structure are designed to enable a significantly improved CE (>99%).

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Metadata

Authors
Ko, S., Obukata, T., Shimada, T., Takenaka, N., Nakayama, M., Yamada, A., & Yamada, Y.
Venue
Nature Energy
Published
2022-10-27
Volume
7
Issue
12
Pages
1217-1224
ISSN
2058-7546 (ISSN-L)
OpenAlex
W4307645002
Cited by
319
References
30
FWCI
16.13
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Electrode potential influences the reversibility of lithium-metal anodes. https://app.cochat.ai/papers/10.1038/s41560-022-01144-0
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Ko, S., Obukata, T., Shimada, T., Takenaka, N., Nakayama, M., Yamada, A., & Yamada, Y. (2022). Electrode potential influences the reversibility of lithium-metal anodes. Nature Energy. https://doi.org/10.1038/s41560-022-01144-0

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