教授
博士生导师
硕士生导师
教师拼音名称:linjianjian
电子邮箱:
入职时间:2018-09-11
所在单位:化学与分子工程学院
学历:博士研究生
办公地点:四方校区第一实验楼216
性别:女
联系方式:19862229511
学位:工学博士
职称:教授
毕业院校:澳大利亚伍伦贡大学
最后更新时间:..
关键字:Lithium-ion batteries;Anodes - Energy conversion - Nanocrystals - Stability - Temperature - Titanium dioxide - Transition metal oxides - Transition metals
摘要:Developing a facile and green methodology to prepare nanostructured transition metal oxides (TMD) formed by sub-10 nm nanocrystals for the electrochemical energy conversion and storage remains an important challenge. Herein, we present hollow TiO<inf>2</inf> submicrospheres, assembled by 10 nm units via a facile one-step, low-temperature hydrothermal strategy. When used as anodes for lithium ion batteries, the submicrospheres could exhibit excellent rate capabilities of 223, 153, 44 and 22 mA h g<sup>-1</sup> at 1C, 10C, 100C and 300C, respectively. More importantly, they demonstrated a long-term cycling performance and structural stability over 2000 cycles at 10C and even 300C. The superb performances mainly originate from the integration of distinct advantages of the well-defined hollow structures and tiny TiO<inf>2</inf> grains into a single component via the environmental friendly synthesis strategy.<br/> © 2019 The Royal Society of Chemistry.
卷号:7
期号:41
是否译文:否