2019 Fall Annual(165th) Meeting
Sep 11 - Sep 13, 2019Okayama University Tsushima Campus
2019 Fall Annual(165th) Meeting
Sep 11 - Sep 13, 2019Okayama University Tsushima Campus
[KJS5]Developing electrode materials for Li-ion batteries: High Rate capability
Minkyu Kim1, Minkyung Kim1, *Byoungwoo Kang1(1. Pohang University of Science and Technology (POSTECH), Korea)
LiFeSO4F or LiVPO4F can have higher energy density than LiFePO4 due to high redox potential. Especially, LiFeSO4F achieves the highest voltage (3.9 V) among Fe2+/Fe3+ redox couples. Even though triplite LiFeSO4F has full disordering of Li/Fe in metal sites that can block Li long-range Li diffusion channel and then lead to poor electrochemical activity, it can show reasonable electrochemical activity and good rate capability.