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Fabrication of all solid-state lithium-ion batteries with three-dimensionally ordered composite electrode consisting of Li0.35La0.55TiO3 and LiMn2O4 |
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| Authors: | Masanori Hara Hiroyuki Nakano Kaoru Dokko Sayaka Okuda Atsushi Kaeriyama Kiyoshi Kanamura |
| Affiliation: | 1. Department of Applied Chemistry, Tokyo Metropolitan University, 1-1 Minami-ohsawa, Hachioji, Tokyo 192-0397, Japan;2. CREST, Japan Science and Technology Agency, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan;3. Department of Chemistry and Biotechnology, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan |
| Abstract: | A composite electrode between three-dimensionally ordered macroporous (3DOM) Li0.35La0.55TiO3 (LLT) and LiMn2O4 was fabricated by colloidal crystal templating method and sol–gel process. A close-packed PS beads with the opal structure was prepared by filtration of a suspension containing PS beads. Li–La–Ti–O sol was injected by vacuum impregnation process into the voids between PS beads, and then was heated to form 3DOM-LLT. Three-dimensionally ordered composite material consisting of LiMn2O4 and LLT was prepared by sol–gel process. The prepared composite was characterized with SEM and XRD. All solid-state Li-ion battery was fabricated with the LLT–LiMn2O4 composite electrode as a cathode, dry polymer electrolyte and Li metal anode. The prepared all solid-state cathode exhibited a volumetric discharge capacity of 220 mAh cm−3. |
| Keywords: | 3-Dimensionally ordered macroporous Li0 35La0 55TiO3 LiMn2O4 All solid state Solid electrolyte |
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