Nb-doped and Al(2)O(3) + B(2)O(3)-coated granular secondary LiMn(2)O(4) particles as cathode materials for lithium-ion batteries

In this work, to improve the cyclability and high-temperature performance of cubic spinel LiMn(2)O(4) (LMO) as cathode materials, Nb(5+)-doped LiMn(2)O(4) powders coated and uncoated with Al(2)O(3) and/or B(2)O(3) were synthesized via the modified solid-state reaction method. It was found that Nb(5+...

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Autores principales: Li, Chunliu, Zhang, Linchao, Yang, Junfeng, Xie, Zhuoming, Zhang, Tao, Wang, Jianxin, Fang, Qianfeng, Wang, Xianping
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Royal Society of Chemistry 2019
Materias:
Chemistry
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9060312/
https://www.ncbi.nlm.nih.gov/pubmed/35518971
http://dx.doi.org/10.1039/c8ra09407a
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author Li, Chunliu
Zhang, Linchao
Yang, Junfeng
Xie, Zhuoming
Zhang, Tao
Wang, Jianxin
Fang, Qianfeng
Wang, Xianping
author_facet Li, Chunliu
Zhang, Linchao
Yang, Junfeng
Xie, Zhuoming
Zhang, Tao
Wang, Jianxin
Fang, Qianfeng
Wang, Xianping
author_sort Li, Chunliu
collection PubMed
description In this work, to improve the cyclability and high-temperature performance of cubic spinel LiMn(2)O(4) (LMO) as cathode materials, Nb(5+)-doped LiMn(2)O(4) powders coated and uncoated with Al(2)O(3) and/or B(2)O(3) were synthesized via the modified solid-state reaction method. It was found that Nb(5+)-doped and B(2)O(3) + Al(2)O(3)-coated LMO powders comprising 5 μm granular agglomerated fine primary particles smaller than 350 nm in diameter exhibited superior electrochemical properties with initial discharge capacity of 101.68 mA h g(−1); we also observed capacity retention of 96.31% after 300 cycles at room temperature (RT) and that of 98% after 50 cycles at 55 °C and 1C rate.
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spelling pubmed-90603122022-05-04 Nb-doped and Al(2)O(3) + B(2)O(3)-coated granular secondary LiMn(2)O(4) particles as cathode materials for lithium-ion batteries Li, Chunliu Zhang, Linchao Yang, Junfeng Xie, Zhuoming Zhang, Tao Wang, Jianxin Fang, Qianfeng Wang, Xianping RSC Adv Chemistry In this work, to improve the cyclability and high-temperature performance of cubic spinel LiMn(2)O(4) (LMO) as cathode materials, Nb(5+)-doped LiMn(2)O(4) powders coated and uncoated with Al(2)O(3) and/or B(2)O(3) were synthesized via the modified solid-state reaction method. It was found that Nb(5+)-doped and B(2)O(3) + Al(2)O(3)-coated LMO powders comprising 5 μm granular agglomerated fine primary particles smaller than 350 nm in diameter exhibited superior electrochemical properties with initial discharge capacity of 101.68 mA h g(−1); we also observed capacity retention of 96.31% after 300 cycles at room temperature (RT) and that of 98% after 50 cycles at 55 °C and 1C rate. The Royal Society of Chemistry 2019-01-25 /pmc/articles/PMC9060312/ /pubmed/35518971 http://dx.doi.org/10.1039/c8ra09407a Text en This journal is © The Royal Society of Chemistry https://creativecommons.org/licenses/by-nc/3.0/
spellingShingle Chemistry
Li, Chunliu
Zhang, Linchao
Yang, Junfeng
Xie, Zhuoming
Zhang, Tao
Wang, Jianxin
Fang, Qianfeng
Wang, Xianping
Nb-doped and Al(2)O(3) + B(2)O(3)-coated granular secondary LiMn(2)O(4) particles as cathode materials for lithium-ion batteries
title Nb-doped and Al(2)O(3) + B(2)O(3)-coated granular secondary LiMn(2)O(4) particles as cathode materials for lithium-ion batteries
title_full Nb-doped and Al(2)O(3) + B(2)O(3)-coated granular secondary LiMn(2)O(4) particles as cathode materials for lithium-ion batteries
title_fullStr Nb-doped and Al(2)O(3) + B(2)O(3)-coated granular secondary LiMn(2)O(4) particles as cathode materials for lithium-ion batteries
title_full_unstemmed Nb-doped and Al(2)O(3) + B(2)O(3)-coated granular secondary LiMn(2)O(4) particles as cathode materials for lithium-ion batteries
title_short Nb-doped and Al(2)O(3) + B(2)O(3)-coated granular secondary LiMn(2)O(4) particles as cathode materials for lithium-ion batteries
title_sort nb-doped and al(2)o(3) + b(2)o(3)-coated granular secondary limn(2)o(4) particles as cathode materials for lithium-ion batteries
topic Chemistry
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9060312/
https://www.ncbi.nlm.nih.gov/pubmed/35518971
http://dx.doi.org/10.1039/c8ra09407a
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