Improved Electrochemical Performance of 0.5Li2MnO3·0.5LiNi0.5Mn0.5O2 Cathode Materials for Lithium Ion Batteries Synthesized by Ionic-Liquid-Assisted Hydrothermal Method

Well-dispersed Li-rich Mn-based 0.5Li2MnO3·0.5LiNi0.5Mn0.5O2 nanoparticles with diameter ranging from 50 to 100 nm are synthesized by a hydrothermal method in the presence of N-hexyl pyridinium tetrafluoroborate ionic liquid ([HPy][BF4]). The microstructures and electrochemical performance of the pr...
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Autor*in:	Yanhong Xiang [verfasserIn] Youliang Jiang [verfasserIn] Saiqiu Liu [verfasserIn] Jianhua Wu [verfasserIn] Zhixiong Liu [verfasserIn] Ling Zhu [verfasserIn] Lizhi Xiong [verfasserIn] Zeqiang He [verfasserIn] Xianwen Wu [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	lithium ion battery Li-rich Mn based cathode materials hydrothermal ionic liquid

Übergeordnetes Werk:	In: Frontiers in Chemistry - Frontiers Media S.A., 2014, 8(2020)
Übergeordnetes Werk:	volume:8 ; year:2020

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3389/fchem.2020.00729

Katalog-ID:	DOAJ048552771

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authorswithroles_txt_mv	Yanhong Xiang @@aut@@ Youliang Jiang @@aut@@ Saiqiu Liu @@aut@@ Jianhua Wu @@aut@@ Zhixiong Liu @@aut@@ Ling Zhu @@aut@@ Lizhi Xiong @@aut@@ Zeqiang He @@aut@@ Xianwen Wu @@aut@@
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callnumber-first	Q - Science
author	Yanhong Xiang
spellingShingle	Yanhong Xiang misc QD1-999 misc lithium ion battery misc Li-rich Mn based misc cathode materials misc hydrothermal misc ionic liquid misc Chemistry Improved Electrochemical Performance of 0.5Li2MnO3·0.5LiNi0.5Mn0.5O2 Cathode Materials for Lithium Ion Batteries Synthesized by Ionic-Liquid-Assisted Hydrothermal Method
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topic_title	QD1-999 Improved Electrochemical Performance of 0.5Li2MnO3·0.5LiNi0.5Mn0.5O2 Cathode Materials for Lithium Ion Batteries Synthesized by Ionic-Liquid-Assisted Hydrothermal Method lithium ion battery Li-rich Mn based cathode materials hydrothermal ionic liquid
topic	misc QD1-999 misc lithium ion battery misc Li-rich Mn based misc cathode materials misc hydrothermal misc ionic liquid misc Chemistry
topic_unstemmed	misc QD1-999 misc lithium ion battery misc Li-rich Mn based misc cathode materials misc hydrothermal misc ionic liquid misc Chemistry
topic_browse	misc QD1-999 misc lithium ion battery misc Li-rich Mn based misc cathode materials misc hydrothermal misc ionic liquid misc Chemistry
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title	Improved Electrochemical Performance of 0.5Li2MnO3·0.5LiNi0.5Mn0.5O2 Cathode Materials for Lithium Ion Batteries Synthesized by Ionic-Liquid-Assisted Hydrothermal Method
ctrlnum	(DE-627)DOAJ048552771 (DE-599)DOAJee97d7583baa499ab6e29abeba797f2f
title_full	Improved Electrochemical Performance of 0.5Li2MnO3·0.5LiNi0.5Mn0.5O2 Cathode Materials for Lithium Ion Batteries Synthesized by Ionic-Liquid-Assisted Hydrothermal Method
author_sort	Yanhong Xiang
journal	Frontiers in Chemistry
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author_browse	Yanhong Xiang Youliang Jiang Saiqiu Liu Jianhua Wu Zhixiong Liu Ling Zhu Lizhi Xiong Zeqiang He Xianwen Wu
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author-letter	Yanhong Xiang
doi_str_mv	10.3389/fchem.2020.00729
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title_sort	improved electrochemical performance of 0.5li2mno3·0.5lini0.5mn0.5o2 cathode materials for lithium ion batteries synthesized by ionic-liquid-assisted hydrothermal method
callnumber	QD1-999
title_auth	Improved Electrochemical Performance of 0.5Li2MnO3·0.5LiNi0.5Mn0.5O2 Cathode Materials for Lithium Ion Batteries Synthesized by Ionic-Liquid-Assisted Hydrothermal Method
abstract	Well-dispersed Li-rich Mn-based 0.5Li2MnO3·0.5LiNi0.5Mn0.5O2 nanoparticles with diameter ranging from 50 to 100 nm are synthesized by a hydrothermal method in the presence of N-hexyl pyridinium tetrafluoroborate ionic liquid ([HPy][BF4]). The microstructures and electrochemical performance of the prepared cathode materials are characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and electrochemical measurements. The XRD results show that the sample prepared by ionic-liquid-assisted hydrothermal method exhibits a typical Li-rich Mn-based pure phase and lower cation mixing. SEM and TEM images indicate that the extent of particle agglomeration of the ionic-liquid-assisted sample is lower compared to the traditional hydrothermal sample. Electrochemical test results indicate that the materials synthesized by ionic-liquid-assisted hydrothermal method exhibit better rate capability and cyclability. Besides, electrochemical impedance spectroscopy (EIS) results suggest that the charge transfer resistance of 0.5Li2MnO3· 0.5LiNi0.5Mn0.5O2 synthesized by ionic-liquid-assisted hydrothermal method is much lower, which enhances the reaction kinetics.
abstractGer	Well-dispersed Li-rich Mn-based 0.5Li2MnO3·0.5LiNi0.5Mn0.5O2 nanoparticles with diameter ranging from 50 to 100 nm are synthesized by a hydrothermal method in the presence of N-hexyl pyridinium tetrafluoroborate ionic liquid ([HPy][BF4]). The microstructures and electrochemical performance of the prepared cathode materials are characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and electrochemical measurements. The XRD results show that the sample prepared by ionic-liquid-assisted hydrothermal method exhibits a typical Li-rich Mn-based pure phase and lower cation mixing. SEM and TEM images indicate that the extent of particle agglomeration of the ionic-liquid-assisted sample is lower compared to the traditional hydrothermal sample. Electrochemical test results indicate that the materials synthesized by ionic-liquid-assisted hydrothermal method exhibit better rate capability and cyclability. Besides, electrochemical impedance spectroscopy (EIS) results suggest that the charge transfer resistance of 0.5Li2MnO3· 0.5LiNi0.5Mn0.5O2 synthesized by ionic-liquid-assisted hydrothermal method is much lower, which enhances the reaction kinetics.
abstract_unstemmed	Well-dispersed Li-rich Mn-based 0.5Li2MnO3·0.5LiNi0.5Mn0.5O2 nanoparticles with diameter ranging from 50 to 100 nm are synthesized by a hydrothermal method in the presence of N-hexyl pyridinium tetrafluoroborate ionic liquid ([HPy][BF4]). The microstructures and electrochemical performance of the prepared cathode materials are characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and electrochemical measurements. The XRD results show that the sample prepared by ionic-liquid-assisted hydrothermal method exhibits a typical Li-rich Mn-based pure phase and lower cation mixing. SEM and TEM images indicate that the extent of particle agglomeration of the ionic-liquid-assisted sample is lower compared to the traditional hydrothermal sample. Electrochemical test results indicate that the materials synthesized by ionic-liquid-assisted hydrothermal method exhibit better rate capability and cyclability. Besides, electrochemical impedance spectroscopy (EIS) results suggest that the charge transfer resistance of 0.5Li2MnO3· 0.5LiNi0.5Mn0.5O2 synthesized by ionic-liquid-assisted hydrothermal method is much lower, which enhances the reaction kinetics.
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title_short	Improved Electrochemical Performance of 0.5Li2MnO3·0.5LiNi0.5Mn0.5O2 Cathode Materials for Lithium Ion Batteries Synthesized by Ionic-Liquid-Assisted Hydrothermal Method
url	https://doi.org/10.3389/fchem.2020.00729 https://doaj.org/article/ee97d7583baa499ab6e29abeba797f2f https://www.frontiersin.org/articles/10.3389/fchem.2020.00729/full https://doaj.org/toc/2296-2646
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author2	Youliang Jiang Saiqiu Liu Jianhua Wu Zhixiong Liu Ling Zhu Lizhi Xiong Zeqiang He Xianwen Wu
author2Str	Youliang Jiang Saiqiu Liu Jianhua Wu Zhixiong Liu Ling Zhu Lizhi Xiong Zeqiang He Xianwen Wu
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up_date	2024-07-03T18:25:42.965Z
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Improved Electrochemical Performance of 0.5Li2MnO3·0.5LiNi0.5Mn0.5O2 Cathode Materials for Lithium Ion Batteries Synthesized by Ionic-Liquid-Assisted Hydrothermal Method

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