A 4V Li-Ion Battery using All-Spinel-Based Electrodes
- Authors
- Islam, Mobinul; Jeong, Min-Gi; Ali, Ghulam; Oh, In-Hwan; Chung, Kyung Yoon; Sun, Yang-Kook; Jung, Hun-Gi
- Issue Date
- Jul-2018
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- battery; conversion anode; full cell; Li-ion; spinel phases
- Citation
- CHEMSUSCHEM, v.11, no.13, pp.2165 - 2170
- Indexed
- SCIE
SCOPUS
- Journal Title
- CHEMSUSCHEM
- Volume
- 11
- Number
- 13
- Start Page
- 2165
- End Page
- 2170
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/3332
- DOI
- 10.1002/cssc.201800579
- ISSN
- 1864-5631
- Abstract
- Boosting the performance of rechargeable lithium-ion batteries (LIBs) beyond the state-of-the-art is mandatory toward meeting the future energy requirements of the consumer mass market. The replacement of conventional graphite anodes with conversion-type metal-oxide anodes is one progressive approach toward achieving this goal. Here, a LIB consisting of a highcapacity spinel NiMn2O4 anode and a high-voltage spinel LiNi0.5Mn1.5O4 cathode was proposed. Polyhedral-shaped NiMn2O4 powder was prepared from a citrate precursor via the sol-gel method. Electrochemical tests showed that the NiMn2O4 in a half-cell configuration could deliver reversible capacities of 750 and 303 mAh g−1 at 0.1 and 3 C rates. Integrating the NiMn2O4 anode into a full-cell configuration provided an estimated energy density of 506 Wh kg−1 (vs. cathode mass) upon 100 cycles and excellent cycling performance over 150 cycles at the 0.1 C rate, which can be considered promising in terms of satisfying the demands for high energy densities in large-scale applications.
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