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Machine Learning-based Comprehensive Survey on Lithium-rich Cathode Materials (Supporting Information)

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posted on 2023-03-08, 07:19 authored by Akihisa TSUCHIMOTO, Masashi OKUBO, Atsuo YAMADA

The practical application of Li-rich cathode materials exhibiting higher energy density with oxygen redox activity requires improved cycle performance and energy efficiency. Since several conditions such as the amount of excess lithium, transition metal species, and cutoff voltage influence the electrochemical properties of Li-rich cathode materials, comprehensive determination of the optimal conditions often rely on repeating empirical try error processes. Here, the dominant factors in the energy density of Li-rich cathode materials were analyzed by constructing machine learning prediction models based on well-controlled experimental data for simplicity. Choosing a moderate amount of excess lithium and increasing the cobalt contents are the keys to achieve high energy density in long-term cycles.


Solid-state redox of oxide ion and its application to sodium ion battery

Japan Society for the Promotion of Science

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Ministry of Education, Culture, Sports, Science and Technology


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