锂镧锆氧化物

锂镧锆氧化物
识别
CAS号 960215-99-0  checkY
SMILES
 
  • [La+3].[La+3].[La+3].[Li+].[Li+].[Li+].[Li+].[Li+].[Li+].[Li+].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Zr+4].[Zr+4]
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。

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]

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. ^ 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. 
  2. ^ 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. 
  3. ^ 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）. 
  4. ^ 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）. 
  5. ^ 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）.