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Hollow microspheres and nanoparticles MnFe 2 O 4 as superior anode materials for lithium ion batteries

The commercialized LIBs employing graphite as anodes currently suffer a series of problems from the safety problem, low theoretical capacity (372 mAh g −1 ) and bad rate capability. Herein, hollow microspheres MnFe 2 O 4 (MFO) and nanoparticles MFO have been synthesized. Compared with the nanopartic... Full description

Journal Title: Journal of Materials Science: Materials in Electronics 2015, Vol.26(12), pp.9535-9545
Main Author: Zhang, Wanli
Other Authors: Hou, Xianhua , Lin, Zanrui , Yao, Lingmin , Wang, Xinyu , Gao, Yumei , Hu, Shejun
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0957-4522 ; E-ISSN: 1573-482X ; DOI: 10.1007/s10854-015-3616-9
Link: http://dx.doi.org/10.1007/s10854-015-3616-9
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recordid: springer_jour10.1007/s10854-015-3616-9
title: Hollow microspheres and nanoparticles MnFe 2 O 4 as superior anode materials for lithium ion batteries
format: Article
creator:
  • Zhang, Wanli
  • Hou, Xianhua
  • Lin, Zanrui
  • Yao, Lingmin
  • Wang, Xinyu
  • Gao, Yumei
  • Hu, Shejun
subjects:
  • Nanoparticles
  • Electrochemistry
  • Batteries
ispartof: Journal of Materials Science: Materials in Electronics, 2015, Vol.26(12), pp.9535-9545
description: The commercialized LIBs employing graphite as anodes currently suffer a series of problems from the safety problem, low theoretical capacity (372 mAh g −1 ) and bad rate capability. Herein, hollow microspheres MnFe 2 O 4 (MFO) and nanoparticles MFO have been synthesized. Compared with the nanoparticles MFO, the hollow microspheres MFO as an anode material with novel structure demonstrate superior electrochemical performance, with large specific reversible capacity (1100 mAh g −1 at the specific current of 0.5 C after 100 cycles), high rate capability (more than 500 mAh g −1 even at 5.0 C) and good cyclability with little fading (1.4 % after 100 cycles). The excellent cycling performance is associated with the hollow microsphere structure with large specific surface areas, which can accommodate the severe mechanism strains and ensure more contact area between active material and electrolyte, thus good for diffusion of electrolyte and provide more reaction sites. This work presents a meaningful way for the preparation of MFO with different morphology as superior alternative anodes for lithium ion batteries.
language: eng
source:
identifier: ISSN: 0957-4522 ; E-ISSN: 1573-482X ; DOI: 10.1007/s10854-015-3616-9
fulltext: fulltext
issn:
  • 1573-482X
  • 1573482X
  • 0957-4522
  • 09574522
url: Link


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titleHollow microspheres and nanoparticles MnFe 2 O 4 as superior anode materials for lithium ion batteries
creatorZhang, Wanli ; Hou, Xianhua ; Lin, Zanrui ; Yao, Lingmin ; Wang, Xinyu ; Gao, Yumei ; Hu, Shejun
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descriptionThe commercialized LIBs employing graphite as anodes currently suffer a series of problems from the safety problem, low theoretical capacity (372 mAh g −1 ) and bad rate capability. Herein, hollow microspheres MnFe 2 O 4 (MFO) and nanoparticles MFO have been synthesized. Compared with the nanoparticles MFO, the hollow microspheres MFO as an anode material with novel structure demonstrate superior electrochemical performance, with large specific reversible capacity (1100 mAh g −1 at the specific current of 0.5 C after 100 cycles), high rate capability (more than 500 mAh g −1 even at 5.0 C) and good cyclability with little fading (1.4 % after 100 cycles). The excellent cycling performance is associated with the hollow microsphere structure with large specific surface areas, which can accommodate the severe mechanism strains and ensure more contact area between active material and electrolyte, thus good for diffusion of electrolyte and provide more reaction sites. This work presents a meaningful way for the preparation of MFO with different morphology as superior alternative anodes for lithium ion batteries.
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titleHollow microspheres and nanoparticles MnFe 2 O 4 as superior anode materials for lithium ion batteries
descriptionThe commercialized LIBs employing graphite as anodes currently suffer a series of problems from the safety problem, low theoretical capacity (372 mAh g −1 ) and bad rate capability. Herein, hollow microspheres MnFe 2 O 4 (MFO) and nanoparticles MFO have been synthesized. Compared with the nanoparticles MFO, the hollow microspheres MFO as an anode material with novel structure demonstrate superior electrochemical performance, with large specific reversible capacity (1100 mAh g −1 at the specific current of 0.5 C after 100 cycles), high rate capability (more than 500 mAh g −1 even at 5.0 C) and good cyclability with little fading (1.4 % after 100 cycles). The excellent cycling performance is associated with the hollow microsphere structure with large specific surface areas, which can accommodate the severe mechanism strains and ensure more contact area between active material and electrolyte, thus good for diffusion of electrolyte and provide more reaction sites. This work presents a meaningful way for the preparation of MFO with different morphology as superior alternative anodes for lithium ion batteries.
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authorZhang, Wanli ; Hou, Xianhua ; Lin, Zanrui ; Yao, Lingmin ; Wang, Xinyu ; Gao, Yumei ; Hu, Shejun
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abstractThe commercialized LIBs employing graphite as anodes currently suffer a series of problems from the safety problem, low theoretical capacity (372 mAh g −1 ) and bad rate capability. Herein, hollow microspheres MnFe 2 O 4 (MFO) and nanoparticles MFO have been synthesized. Compared with the nanoparticles MFO, the hollow microspheres MFO as an anode material with novel structure demonstrate superior electrochemical performance, with large specific reversible capacity (1100 mAh g −1 at the specific current of 0.5 C after 100 cycles), high rate capability (more than 500 mAh g −1 even at 5.0 C) and good cyclability with little fading (1.4 % after 100 cycles). The excellent cycling performance is associated with the hollow microsphere structure with large specific surface areas, which can accommodate the severe mechanism strains and ensure more contact area between active material and electrolyte, thus good for diffusion of electrolyte and provide more reaction sites. This work presents a meaningful way for the preparation of MFO with different morphology as superior alternative anodes for lithium ion batteries.
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doi10.1007/s10854-015-3616-9
pages9535-9545
date2015-12