Annealing temperature-dependent electrochemical properties of Aeroxide P25 TiO2 nanoparticles as anode material for lithium storage
文献类型:期刊论文
刊名 | PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL
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出版日期 | 2019 |
卷号 | 29 |
关键词 | ANATASE TIO2 ION BATTERY HOLLOW MICROSPHERES PERFORMANCE INSERTION STABILITY GRAPHENE SPHERES Lithium ion battery Aeroxide P25 TiO2 Electrochemical impedance spectroscopy X-ray diffraction (XRD) Cyclic voltammetry |
ISSN号 | 1002-0071 |
其他题名 | Annealing temperature-dependent electrochemical properties of Aeroxide P25 TiO2 nanoparticles as anode material for lithium storage |
英文摘要 | TiO2 has been widely studied as an important electrode material for electrochemical energy storage. Understanding its relationship between textural properties and electrochemical characteristics is essential to boosting its practical performances. Herein, Aeroxide P25 TiO2 nanoparticles annealing at different temperatures (400-600 degrees C) were investigated as an anode material of lithium ion battery. Their evolution in crystal phase and microstructural characteristics were characterized by XRD and BET surface analysis, and their lithium storage properties in half-cells were evaluated by various electrochemical analyses, including cyclic voltammetry, cycling testing, and electrochemical impedance spectroscopy. It was found that the lithium storage properties were critically dependent on the size of TiO2 anode materials. Pristine P25 initially exhibited the highest initial discharge specific capacity due to its smallest particle size; however, rapid capacity loss occurred during extended cycling. The annealing process was found to effectively enhance the cycling stability of TiO2 although possessing a large particle size and smaller surface area. Typically, P400 showed the best performances in cycling stability, capacity retention ratio, and rate capability, which is mainly attributed to the synergistic effect of high crystallinity, reasonable particle size, and less internal resistance. This study provides an instance of optimizing the textural properties of metal oxides for advanced LIB anode material applications. |
资助项目 | [Beijing Natural Science Foundation] ; [NSFC-RS Collaboration Research Programme] |
语种 | 英语 |
CSCD记录号 | CSCD:6668984 |
源URL | [http://ir.hfcas.ac.cn:8080/handle/334002/48587] ![]() |
专题 | 中国科学院合肥物质科学研究院 |
推荐引用方式 GB/T 7714 | . Annealing temperature-dependent electrochemical properties of Aeroxide P25 TiO2 nanoparticles as anode material for lithium storage[J]. PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL,2019,29. |
APA | (2019).Annealing temperature-dependent electrochemical properties of Aeroxide P25 TiO2 nanoparticles as anode material for lithium storage.PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL,29. |
MLA | "Annealing temperature-dependent electrochemical properties of Aeroxide P25 TiO2 nanoparticles as anode material for lithium storage".PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL 29(2019). |
入库方式: OAI收割
来源:合肥物质科学研究院
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