鋰鑭鋯氧化物

鋰鑭鋯氧化物(縮寫:LLZO,化學式:Li7La3Zr2O12)是一種鋰充填的石榴石結構材料,目前正處於固態電解質的應用研究中。[2][3]它具有高離子電導率,適於用作電解質。[4]它可由碳酸鋰氧化鑭二氧化鋯在高溫反應製得:[1]

鋰鑭鋯氧化物
識別
CAS號 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]
性質
化學式 La3Li7O12Zr2
摩爾質量 839.74 g·mol−1
密度 5.106 g·cm−3[1]
若非註明,所有數據均出自標準狀態(25 ℃,100 kPa)下。
7 Li2CO3 + 3 La2O3 + 4 ZrO2 → 2 Li7La3Zr2O12 + 7 CO2

有媒體報道該物質被用作QuantumScape公司的固態鋰金屬電池的電解質。[5]

參考文獻

  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. (原始內容存檔於2022-03-19) (英語). 
  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 (英語). 
  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]. (原始內容存檔於2021-03-05) (英語).