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Cathodes and Zn2+ Storage Mechanisms in Aqueous Zinc-ion Battery

发布时间:2018-09-15   访问人数:

报告人:周江教授

报告人单位:中南大学

报告地点:化学学院化二教室

报告时间:2018年9月19日上午8:30

举办单位:动力电池国家地方联合工程实验室



报告人简介:

周江,男,中南大学特聘教授。中南大学-新加坡南洋理工大学(NTU)联合培养博士,合作导师Hua Zhang教授;美国麻省理工学院(MIT)博士后,合作导师Ju Li教授。研究兴趣为锂()离子电池、水系锌离子电池、超级电容器等。以一作或通讯作者在Energy Environ. Sci., Adv. Energy Mater., ACS Energy Lett., Nano Energy, Adv. Sci., Energy Storage Mater.等国际期刊发表学术论文40余篇。

报告摘要:

Lithium-ion battery and sodium-ion battery have been applied in energy storage devices, but low safety factor owing to the active chemical properties of Li+ and Na+ encourage us to develop new battery chemistry. As a safe, cost-effective and pollution-free device, rechargeable aqueous zinc-ion battery (ZIBs) shows desirable potential as alternative to LIBs and SIBs, and it is considered to be more feasible for grid-scale applications. Recently, lots of work has been done to develop new cathode materials and zinc storage insights for rechargeable aqueous ZIBs. However, the proposed energy storage mechanisms in aqueous ZIBs are still complicated and unclear. In this talk, the crystal structure and electrochemical mechanism of some typical cathodes in aqueous ZIBs will be described. The relationship between the structure, composition, storage mechanism and the electrochemical properties will be discussed in detail.




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