锂镧锆氧化物
锂镧锆氧化物(缩写:LLZO,化学式:Li7La3Zr2O12)是一种锂充填的石榴石结构材料,目前正处于固态电解质的应用研究中。[2][3]它具有高离子电导率,适于用作电解质。[4]它可由碳酸锂、氧化镧和二氧化锆在高温反应制得:[1]
锂镧锆氧化物 | |
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识别 | |
CAS号 | 960215-99-0 |
SMILES |
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性质 | |
化学式 | La3Li7O12Zr2 |
摩尔质量 | 839.74 g·mol−1 |
密度 | 5.106 g·cm−3[1] |
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
- 7 Li2CO3 + 3 La2O3 + 4 ZrO2 → 2 Li7La3Zr2O12 + 7 CO2↑
有媒体报道该物质被用作QuantumScape公司的固态锂金属电池的电解质。[5]
参考文献
编辑- ^ 1.0 1.1 Awaka, Junji; Kijima, Norihito; Hayakawa, Hiroshi; Akimoto, Junji. Synthesis and structure analysis of tetragonal Li7La3Zr2O12 with the garnet-related type structure. Journal of Solid State Chemistry. 2009, 182 (8): 2046–2052. ISSN 0022-4596. doi:10.1016/j.jssc.2009.05.020.
- ^ Yeandel, Stephen R.; Chapman, Benjamin J.; Slater, Peter R.; Goddard, Pooja. Structure and Lithium-Ion Dynamics in Fluoride-Doped Cubic Li7La3Zr2O12 (LLZO) Garnet for Li Solid-State Battery Applications. The Journal of Physical Chemistry C. 2018-12-13, 122 (49): 27811–27819. ISSN 1932-7447. doi:10.1021/acs.jpcc.8b07704.
- ^ Tsai, Chih-Long; Ma, Qianli; Dellen, Christian; Lobe, Sandra; Vondahlen, Frank; Windmüller, Anna; Grüner, Daniel; Zheng, Hao; Uhlenbruck, Sven; Finsterbusch, Martin; Tietz, Frank. A garnet structure-based all-solid-state Li battery without interface modification: resolving incompatibility issues on positive electrodes. Sustainable Energy & Fuels. 2018-12-18, 3 (1): 280–291 [2020-12-12]. ISSN 2398-4902. doi:10.1039/C8SE00436F. (原始内容存档于2022-03-19) (英语).
- ^ Ramakumar, S.; Deviannapoorani, C.; Dhivya, L.; Shankar, Lakshmi S.; Murugan, Ramaswamy. Lithium garnets: Synthesis, structure, Li+ conductivity, Li+ dynamics and applications. Progress in Materials Science. 2017-07-01, 88: 325–411. ISSN 0079-6425. doi:10.1016/j.pmatsci.2017.04.007 (英语).
- ^ Temple, James. This super energy dense battery could nearly double the range of electric vehicles. MIT Technology Review. 2020-12-08 [2020-12-08]. (原始内容存档于2021-03-05) (英语).
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