Dynamic imaging of crystalline defects in lithium-manganese oxide electrodes during electrochemical activation to high voltage

Aided by advanced electron microscopy, the authors imaged dissociated dislocations in Li2MnO3 during an initial charge to 5 V. Such defects possess high gliding and transverse mobility and prompt O2 release. This work provides fresh insights into the defect chemistry of cathode materials for batteri...

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Auteurs principaux: Qianqian Li, Zhenpeng Yao, Eungje Lee, Yaobin Xu, Michael M. Thackeray, Chris Wolverton, Vinayak P. Dravid, Jinsong Wu
Format: article
Langue:EN
Publié: Nature Portfolio 2019
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Accès en ligne:https://doaj.org/article/dd2a97e0984840618306e75e43f3fc43
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