A 3D Nanostructured Hydrogel-Framework-Derived High-Performance Composite Polymer Lithium-Ion Electrolyte
- Authors
- Bae, Jiwoong; Li, Yutao; Zhang, Jun; Zhou, Xingyi; Zhao, Fei; Shi, Ye; Goodenough, John B.; Yu, Guihua
- Issue Date
- Feb-2018
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- composite electrolytes; hydrogels; lithium-ion conductors; percolation; solid electrolytes
- Citation
- ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, v.57, no.8, pp.2096 - 2100
- Indexed
- SCIE
SCOPUS
- Journal Title
- ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
- Volume
- 57
- Number
- 8
- Start Page
- 2096
- End Page
- 2100
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/190896
- DOI
- 10.1002/anie.201710841
- ISSN
- 1433-7851
- Abstract
- Solid-state electrolytes have emerged as a promising alternative to existing liquid electrolytes for next generation Li-ion batteries for better safety and stability. Of various types of solid electrolytes, composite polymer electrolytes exhibit acceptable Li-ion conductivity due to the interaction between nanofillers and polymer. Nevertheless, the agglomeration of nanofillers at high concentration has been a major obstacle for improving Li-ion conductivity. In this study, we designed a three-dimensional (3D) nanostructured hydrogel-derived Li0.35La0.55TiO3 (LLTO) framework, which was used as a 3D nanofiller for high-performance composite polymer Li-ion electrolyte. The systematic percolation study revealed that the pre-percolating structure of LLTO framework improved Li-ion conductivity to 8.8x10(-5) S cm(-1) at room temperature.
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