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TiNb2O7 nanoparticles assembled into hierarchical microspheres as high-rate capability and long-cycle-life anode materials for lithium ion batteries.
| Content Provider | Semantic Scholar |
|---|---|
| Author | Li, Hongsen Shen, Laifa Pang, Gang Fang, Shan Luo, Haifeng Yang, Kai Zhang, Xiaogang |
| Copyright Year | 2015 |
| Abstract | As a competitor for Li4Ti5O12 with a higher capacity and extreme safety, monoclinic TiNb2O7 has been considered as a promising anode material for next-generation high power lithium ion batteries. However, TiNb2O7 suffers from low electronic conductivity and ionic conductivity, which restricts the electrochemical kinetics. Herein, a facile and advanced architecture design of hierarchical TiNb2O7 microspheres is successfully developed for large-scale preparation without any surfactant assistance. To the best of our knowledge, this is the first report on the one step solvothermal synthesis of TiNb2O7 microspheres with micro- and nano-scale composite structures. When evaluated as an anode material for lithium ion batteries, the electrode exhibits excellent high rate capacities and ultra-long cyclability, such as 258 mA h g(-1) at 1 C, 175 mA h g(-1) at 5 C, and 138 mA h g(-1) at 10 C, extending to more than 500 cycles. |
| File Format | PDF HTM / HTML |
| DOI | 10.1039/c4nr04847d |
| PubMed reference number | 25423342 |
| Journal | Medline |
| Volume Number | 7 |
| Issue Number | 2 |
| Alternate Webpage(s) | http://pubs.rsc.org/en/content/getauthorversionpdf/C4NR04847D |
| Alternate Webpage(s) | http://www.rsc.org/suppdata/nr/c4/c4nr04847d/c4nr04847d1.pdf |
| Alternate Webpage(s) | https://doi.org/10.1039/c4nr04847d |
| Journal | Nanoscale |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
