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Multi-electron transfer enabled by topotactic reaction in magnetite
Zhang, Wei; Li, Yan; Wu, Lijun; Duan, Yandong; Kisslinger, Kim; Chen, Chunlin; Bock, David C.; Pan, Feng; Zhu, Yimei; Marschilok, Amy C.; Takeuchi, Esther S.; Takeuchi, Kenneth J.; Wang, Feng
2019-04-29
Source PublicationNATURE COMMUNICATIONS
ISSN2041-1723
Volume10
AbstractA bottleneck for the large-scale application of today's batteries is low lithium storage capacity, largely due to the use of intercalation-type electrodes that allow one or less electron transfer per redox center. An appealing alternative is multi-electron transfer electrodes, offering excess capacity, which, however, involves conversion reaction; according to conventional wisdom, the host would collapse during the process, causing cycling instability. Here, we report real-time observation of topotactic reaction throughout the multi-electron transfer process in magnetite, unveiled by in situ single-crystal crystallography with corroboration of first principles calculations. Contradicting the traditional belief of causing structural breakdown, conversion in magnetite resembles an intercalation process-proceeding via topotactic reaction with the cubic close packed oxygen-anion framework retained. The findings from this study, with unique insights into enabling multi-electron transfer via topotactic reaction, and its implications to the cyclability and rate capability, shed light on designing viable multi-electron transfer electrodes for high energy batteries.
Indexed BySCI
Language英语
WOS IDWOS:000466120200016
PublisherNATURE PUBLISHING GROUP
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81165
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Zhang, Wei,Li, Yan,Wu, Lijun,et al. Multi-electron transfer enabled by topotactic reaction in magnetite[J]. NATURE COMMUNICATIONS,2019,10.
APA Zhang, Wei.,Li, Yan.,Wu, Lijun.,Duan, Yandong.,Kisslinger, Kim.,...&Wang, Feng.(2019).Multi-electron transfer enabled by topotactic reaction in magnetite.NATURE COMMUNICATIONS,10.
MLA Zhang, Wei,et al."Multi-electron transfer enabled by topotactic reaction in magnetite".NATURE COMMUNICATIONS 10(2019).
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