Fan Juntian, Wang Tao, Bridges Craig A, Borisevich Albina Y, Steren Carlos A, Li Pengzhen, Thapaliya Bishnu P, Do-Thanh Chi-Linh, Yang Zhenzhen, Yuan Yating, Dai Sheng
Department of Chemistry, University of Tennessee Knoxville TN 37996 USA.
Chemical Sciences Division, Oak Ridge National Laboratory Oak Ridge 37831 USA
RSC Adv. 2023 Jul 4;13(29):19856-19861. doi: 10.1039/d3ra02206d. eCollection 2023 Jun 29.
Stabilizing cubic polymorph of LiLaZrO at low temperatures is challenging and currently limited to mono- or dual-ion doping with aliovalent ions. Herein, a high-entropy strategy at the Zr sites was deployed to stabilize the cubic phase and lower the lithium diffusion activation energy, evident from the static Li and MAS Li NMR spectra.
在低温下稳定LiLaZrO的立方多晶型具有挑战性,目前仅限于用异价离子进行单离子或双离子掺杂。在此,在Zr位点采用了高熵策略来稳定立方相并降低锂扩散活化能,这从静态锂和魔角旋转锂核磁共振谱中可以明显看出。