Large-scale synthesis of LiMnO cathode materials a rheology-assisted solid-phase method using citric acid

Although they possess a high working voltage and environmental compatibility, and are low in cost with abundant resources, the poor cycling performance and rapid capacity attenuation of LiMn 2 O 4 cathodes at high temperature restrict their extensive application. In this study, LiMn 2 O 4 materials...

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Veröffentlicht in:New journal of chemistry 2024-04, Vol.48 (17), p.7911-792
Hauptverfasser: Liang, Pengchao, Li, Yuanchao, Xiao, Xiangzhen, Fan, Shumin, Ma, Jingjing, Liu, Jingjie, Dong, Yongqiang, Zong, Yuhang, Xu, Guangri, Yang, Li
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container_issue 17
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container_title New journal of chemistry
container_volume 48
creator Liang, Pengchao
Li, Yuanchao
Xiao, Xiangzhen
Fan, Shumin
Ma, Jingjing
Liu, Jingjie
Dong, Yongqiang
Zong, Yuhang
Xu, Guangri
Yang, Li
description Although they possess a high working voltage and environmental compatibility, and are low in cost with abundant resources, the poor cycling performance and rapid capacity attenuation of LiMn 2 O 4 cathodes at high temperature restrict their extensive application. In this study, LiMn 2 O 4 materials are synthesized by a simple rheology-assisted solid-phase method using citric acid as an additive. The citric acid improves the uniformity of the mixed raw materials, resulting in a reduction in particle agglomeration. Consequently, the synthesized LiMn 2 O 4 shows an initial capacity of 117.4 mA h g −1 with a capacity retention of 79.50% at 2C after 300 cycles and 54.78% of the initial discharge capacity at 20C. This work provides a strategy for modifying multicomponent transition metal oxides for advanced lithium-ion batteries. The LiMn 2 O 4 prepared by citrate modification showed better morphology and showed excellent multiplier performance.
doi_str_mv 10.1039/d4nj00767k
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title Large-scale synthesis of LiMnO cathode materials a rheology-assisted solid-phase method using citric acid
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