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Temperature-Dependent Mn Substitution Effect on LiNiO2open access
- Authors
- Jeon, Seungjae; Khaja Hussain, Sk.; Bang, Jin Ho
- Issue Date
- Feb-2024
- Publisher
- Korean Electrochemical Society
- Keywords
- Calcination Temperature; Capacity; Cobalt-Free Cathode Material; Lithium-ion Batteries; Mn Substitution Effect
- Citation
- Journal of Electrochemical Science and Technology, v.15, no.1, pp 161 - 167
- Pages
- 7
- Indexed
- SCIE
SCOPUS
- Journal Title
- Journal of Electrochemical Science and Technology
- Volume
- 15
- Number
- 1
- Start Page
- 161
- End Page
- 167
- ISSN
- 2093-8551
2288-9221
- Abstract
- Despite the important role of manganese (Mn) in cobalt-free, Ni-rich cathode materials, existing reports on the effects of Mn as a substitute for cobalt are not consistent. In this work, we analyzed the performance of cathodes comprised of Li(Ni1–xMnx)O2 (LNMO). Both beneficial and detrimental results occurred as a result of the Mn substitution. We found that a complex interplay of effects (Li/Ni mixing driven by magnetic frustration, grain growth suppression, and retarded lithium insertion/extraction kinetics) influenced the performance and was intimately related to calcination temperature. This indicates the importance of establishing an optimal reaction temperature for the development of high-performance LNMO. © 2024, Korean Electrochemical Society. All rights reserved.
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Related Researcher
- Bang, Jin Ho
- ERICA 공학대학 (ERICA 에너지바이오학과)