Crystallographic Engineering Enables Fast Low‑Temperature Ion Transport of TiNb2O7 for Cold‑Region Lithium‑Ion Batteries (IMAGE)
Caption
- Sb element is introduced into TiNb2O7 successfully.
- Such crystallographic engineering can narrow the bandgap and broaden the Li+ transport channel, making TNO-Sb/Nb electrode possess a better low-temperature performance.
- Such a synergy effect enables TNO-Sb/Nb with large reversible capacity, superior rate performance (140.4 mAh g−1 at 20 C), and a high durability of 500 cycles even at −30 °C, holding brand promises in practical applications.
Credit
Lihua Wei, Shenglu Geng, Hailu Liu, Liang Deng, Yiyang Mao, Yanbin Ning, Biqiong Wang*, Yueping Xiong, Yan Zhang*, Shuaifeng Lou*.
Usage Restrictions
Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted.
License
CC BY-NC-ND