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Li[Ni0.6Co0.2Mn0.2]O2(NCM622) is one of the best commercialized cathodes in the battery field. However, poor cyclability at relatively high temperature hinders its multiple usages. Here, operando tests were performed to investigate… Click to show full abstract
Li[Ni0.6Co0.2Mn0.2]O2(NCM622) is one of the best commercialized cathodes in the battery field. However, poor cyclability at relatively high temperature hinders its multiple usages. Here, operando tests were performed to investigate the phase transitions and electron/ion transfer process of layered NCM622 at 25 and 55 °C. The identified spinel structure resulting in the poor cyclability at 55 °C guides the commercialization of batteries at high temperature.
Keywords:
temperature;
operando observation;
observation structural;
structural evolution;
6co0 2mn0;
ni0 6co0
Journal Title: Chemical Research in Chinese Universities
Year Published: 2020
Link to full text (if available)
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Journal Title: Chemical Research in Chinese Universities
Year Published: 2020
Link to full text (if available)
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recommendations!