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Title: Mesoporous carbon -Cr2O3 composite as an anode material for lithium ion batteries

Abstract

Mesoporous carbon-Cr2O3 (M-C-Cr2O3) composite was prepared by co-assembly of in-situ formed phenolic resin, chromium precursor, and Pluronic block copolymer under acidic conditions, followed by carbonization at 750oC under Argon. The TEM results confirmed that the Cr2O3 nanoparticles, ranging from 10 to 20 nm, were well dispersed in the matrix of mesoporous carbon. The composite exhibited an initial reversible capacity of 710 mAh g-1 and good cycling stability, which is mainly due to the synergic effects of carbons within the composites, i.e. confining the crystal growth of Cr2O3 during the high temperature treatment step and buffering the volume change of Cr2O3 during the cycling step. This composite material is a promising anode material for lithium ion batteries.

Authors:
 [1];  [1];  [1];  [1]
  1. ORNL
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Shared Research Equipment Collaborative Research Center
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1038480
DOE Contract Number:  
DE-AC05-00OR22725
Resource Type:
Journal Article
Journal Name:
Journal of Power Sources
Additional Journal Information:
Journal Volume: 205; Journal ID: ISSN 0378-7753
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; ANODES; ARGON; CAPACITY; CARBON; CARBONIZATION; CHROMIUM; COMPOSITE MATERIALS; COPOLYMERS; CRYSTAL GROWTH; LITHIUM IONS; PLURONICS; PRECURSOR; STABILITY; Mesoporous carbon; Chromium Oxide; Conversion reaction; Lithium Ion battery

Citation Formats

Guo, Bingkun, Chi, Miaofang, Sun, Xiao-Guang, and Dai, Sheng. Mesoporous carbon -Cr2O3 composite as an anode material for lithium ion batteries. United States: N. p., 2012. Web. doi:10.1016/j.jpowsour.2012.01.092.
Guo, Bingkun, Chi, Miaofang, Sun, Xiao-Guang, & Dai, Sheng. Mesoporous carbon -Cr2O3 composite as an anode material for lithium ion batteries. United States. doi:10.1016/j.jpowsour.2012.01.092.
Guo, Bingkun, Chi, Miaofang, Sun, Xiao-Guang, and Dai, Sheng. Sun . "Mesoporous carbon -Cr2O3 composite as an anode material for lithium ion batteries". United States. doi:10.1016/j.jpowsour.2012.01.092.
@article{osti_1038480,
title = {Mesoporous carbon -Cr2O3 composite as an anode material for lithium ion batteries},
author = {Guo, Bingkun and Chi, Miaofang and Sun, Xiao-Guang and Dai, Sheng},
abstractNote = {Mesoporous carbon-Cr2O3 (M-C-Cr2O3) composite was prepared by co-assembly of in-situ formed phenolic resin, chromium precursor, and Pluronic block copolymer under acidic conditions, followed by carbonization at 750oC under Argon. The TEM results confirmed that the Cr2O3 nanoparticles, ranging from 10 to 20 nm, were well dispersed in the matrix of mesoporous carbon. The composite exhibited an initial reversible capacity of 710 mAh g-1 and good cycling stability, which is mainly due to the synergic effects of carbons within the composites, i.e. confining the crystal growth of Cr2O3 during the high temperature treatment step and buffering the volume change of Cr2O3 during the cycling step. This composite material is a promising anode material for lithium ion batteries.},
doi = {10.1016/j.jpowsour.2012.01.092},
journal = {Journal of Power Sources},
issn = {0378-7753},
number = ,
volume = 205,
place = {United States},
year = {2012},
month = {1}
}