Ostwald‐Ripening Induced Interfacial Protection Layer Boosts 1,000,000‐Cycled Hydronium‐Ion Battery

Collapsing and degradation of active materials caused by the electrode/electrolyte interface instability in aqueous batteries are one of the main obstacles that mitigate the capacity. Herein by reversing the notorious side reactions include the loss and dissolution of electrode materials, as we applied Ostwald ripening (OR) in the electrochemical cycling of a copper hexacyanoferrate electrode in a hydronium-ion batteries, the dissolved Cu and Fe ions undergo a crystallization process that creates a stable interface layer of cross-linked cubes on the electrode surface. The layer exposed the low-index crystal planes (100) and (110) through OR-induced electrode particle growth, supplemented by vacancy-ordered (100) superlattices that facilitated ion migration. Our design stabilized the electrode-electrolyte interface considerably, achieving a cycle life of one million cycles with capacity retention of 91.6 %, and a capacity retention of 91.7 % after 3000 cycles for a full battery.

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Publication Details

Journal
Angewandte Chemie International Edition
Published
2024-09-13
DOI
https://doi.org/10.1002/anie.202414420
Citations
15
Primary Topic
Advancements in Battery Materials
Type
article
Field-Weighted Citation Impact
3.13
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article

Ostwald‐Ripening Induced Interfacial Protection Layer Boosts 1,000,000‐Cycled Hydronium‐Ion Battery

Jin‐Gyu Kim, Fuxi Liu, Xinyan Zhou, Dong Wang et al.
15 citations
Angewandte Chemie International Edition
Advancements in Battery Materials
3.13
article

Ostwald‐Ripening Induced Interfacial Protection Layer Boosts 1,000,000‐Cycled Hydronium‐Ion Battery

Jin‐Gyu Kim, Fuxi Liu, Xinyan Zhou, Dong Wang, Seung Jo Yoo, Yujin Li, Kexin Song, Jingjuan Li, Wenwen Li, Lin Li, Wei Zhang, Qing Liang, Zhongjun Chen, Zhenzhen Zhao, Weitao Zheng, Xu Zou, Chang Lu
article en
15 citations

Abstract

Collapsing and degradation of active materials caused by the electrode/electrolyte interface instability in aqueous batteries are one of the main obstacles that mitigate the capacity. Herein by reversing the notorious side reactions include the loss and dissolution of electrode materials, as we applied Ostwald ripening (OR) in the electrochemical cycling of a copper hexacyanoferrate electrode in a hydronium-ion batteries, the dissolved Cu and Fe ions undergo a crystallization process that creates a stable interface layer of cross-linked cubes on the electrode surface. The layer exposed the low-index crystal planes (100) and (110) through OR-induced electrode particle growth, supplemented by vacancy-ordered (100) superlattices that facilitated ion migration. Our design stabilized the electrode-electrolyte interface considerably, achieving a cycle life of one million cycles with capacity retention of 91.6 %, and a capacity retention of 91.7 % after 3000 cycles for a full battery.

Angewandte Chemie International EditionVol. 63(50)
Jilin University (CN), Chinese Academy of Sciences (CN), Institute of High Energy Physics (AT), Division of Materials Science and Engineering (AU), Institute of High Energy Physics (CN), Korea Basic Science Institute (KR), Jilin Agricultural Science and Technology University (CN), Jilin Agricultural University (CN), Jilin International Studies University (CN), Ametek (Germany) (DE)
Openalex Percentile: Top 8%
Advancements in Battery Materials
3.13
DOISourceOpenAlex
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