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Li2ZrO3-Coated Monocrystalline LiAl0.06Mn1.94O4 Particles as Cathode Materials for Lithium-Ion Batteries.

ABSTRACT: Li2ZrO3-coated and Al-doped micro-sized monocrystalline LiMn2O4 powder is synthesized through solid-state reaction, and the electrochemical performance is investigated as cathode materials for lithium-ion batteries. It is found that Li2ZrO3-coated LiAl0.06Mn1.94O4 delivers a discharge capacity of 110.90 mAhg-1 with 94% capacity retention after 200 cycles at room temperature and a discharge capacity of 104.4 mAhg-1 with a capacity retention of 87.8% after 100 cycles at 55 °C. Moreover, Li2ZrO3-coated LiAl0.06Mn1.94O4 could retain 87.5% of its initial capacity at 5C rate. This superior cycling and rate performance can be greatly contributed to the synergistic effect of Al-doping and Li2ZrO3-coating.

SUBMITTER: Li C

PROVIDER: S-EPMC8709395 | biostudies-literature | 2021 Nov

REPOSITORIES: biostudies-literature

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Li2ZrO3-Coated Monocrystalline LiAl0.06Mn1.94O4 Particles as Cathode Materials for Lithium-Ion Batteries.

Li Chunliu C Zhao Banglei B Yang Junfeng J Zhang Linchao L Fang Qianfeng Q Wang Xianping X

Nanomaterials (Basel, Switzerland) 20211127 12

Li2ZrO3-coated and Al-doped micro-sized monocrystalline LiMn2O4 powder is synthesized through solid-state reaction, and the electrochemical performance is investigated as cathode materials for lithium-ion batteries. It is found that Li2ZrO3-coated LiAl0.06Mn1.94O4 delivers a discharge capacity of 110.90 mAhg-1 with 94% capacity retention after 200 cycles at room temperature and a dischar ...[more]

PMID: 34947573

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