[14a-2H-1~11] 6.3 Oxide electronics

[14a-2H-5] Correlation between ion diffusion and crystal structure in titanium oxide

〇Yuya Fukuzumi¹, Wataru Kobayashi^1,2, Yutaka Moritomo^1,2,3 (1.Grad. Sch. Pure and Appl. Sci., Univ. Tsukuba, 2.Fac. Pure and Appl. Sci., Univ. Tsukuba, 3.CiRfSE, Univ. Tsukuba)

Keywords:ion diffusion,titanium oxide,ion secondary battery

Titanium oxides are promising anode materials for lithium and sodium ion secondary batteries. In this presentation, we will report a relationship between ion diffusion coefficient, its activation energy, and crystal structure of three different titanium oxides (Na₂Ti₆O₁₃, Na₂Ti₃O₇, Na₄Ti₅O₁₂).