Composite Gel Electrolytes for Suppressing Lithium Dendrite Growth and Improving Cycling Performance of LiNi0.5Mn1.5O4 Electrodes
- Authors
- Shin, Won-Kyung; Park, Se-Mi; Lee, Yoon-Sung; Kim, Dong-Won
- Issue Date
- Sep-2015
- Publisher
- ELECTROCHEMICAL SOC INC
- Citation
- JOURNAL OF THE ELECTROCHEMICAL SOCIETY, v.162, no.14, pp.A2628 - A2634
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF THE ELECTROCHEMICAL SOCIETY
- Volume
- 162
- Number
- 14
- Start Page
- A2628
- End Page
- A2634
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/156422
- DOI
- 10.1149/2.0891512jes
- ISSN
- 0013-4651
- Abstract
- Core-shell structured SiO2 particles with a poly(lithium acrylate) shell were synthesized and used in preparing a composite gel electrolyte. The composite gel electrolyte exhibited high ionic conductivity and favorable interfacial characteristics at the lithium electrode. The use of a composite gel electrolyte containing SiO2(Li+) particles effectively suppressed both the dendrite growth of lithium and-dissolution-of-transition metals from the active LiNi0.5Mn1.5O4 material. The lithium metal polymer cell composed of a lithium negative electrode and a LiNi0.5Mn1.5O4 positive electrode delivered a high discharge capacity of 136.6 mAh g(-1) and exhibited good capacity retention.
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