期刊
MATERIALS TRANSACTIONS
卷 57, 期 4, 页码 549-552出版社
JAPAN INST METALS & MATERIALS
DOI: 10.2320/matertrans.Y-M2016804
关键词
titanium disulfide; lithium intercalation; LGPS-type solid electrolyte; rechargeable batteries; electrochemistry
资金
- Advanced Low Carbon Technology Research and Development Program, Specially Program, Specially Promoted Research for Innovative Next Generation Batteries (ALCA-SPRING) of the Japan Science and Technology Agency (JST)
TiS2/Li10GeP2S12 composite electrodes were fabricated using a mill pot rotator, and their electrochemical properties were investigated in all solid-state batteries of TiS2 cathode/Li10GeP2S12 solid-electrolyte/In-Li anode. The batteries compressed under a pressure of 19 MPa demonstrated poor cycle stability and rate capability because of the deterioration of physical contact between the TiS2 and the Li10GeP2S12. The battery performance was considerably improved by applying a pressure of 228 MPa throughout the electrochemical cycling while maintaining the contact area. The battery delivered the reversible a capacity of over 160 mAh.g(-1) under 1 C operation with high capacity retention.
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