Document Detail


Syntheses of LiMn2O4 nanoparticles with nano-size precursor and its electrochemistry performance.
MedLine Citation:
PMID:  23755676     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
LiMn2O4 nanoparticles were prepared by solid state reaction with nano-size Mn3O4 precursor. Mn3O4 nanoparticles with the size of about 200 nm were prepared via controlled crystallization method, which were used as the precursor to prepare LiMn2O4 in nanometer size. The size of LiMn2O4 synthesized by the route is about 300 nm. Cyclic voltammetry shows two pairs of clearly-separated oxidation peaks, located at 4.07 and 4.19 V, and reduction peaks, located at 3.91 and 4.07 V. The as-synthesized LiMn2O4 nanoparticles exhibit good electrochemical performance with an initial discharge capacity of 125.9 mAh x g(-1) at a current density of 14.8 mA x g(-1). The LiMn2O4 nanoparticles show wonderful cycle ability and the capacity retention ratio is 92.1% after 650 cycles at the current density of 296 mA x g(-1).
Authors:
Guorong Hu; Jianbing Jiang; Zhongdong Peng; Ke Du; Yanbing Cao; Jianguo Duan
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of nanoscience and nanotechnology     Volume:  13     ISSN:  1533-4880     ISO Abbreviation:  J Nanosci Nanotechnol     Publication Date:  2013 Mar 
Date Detail:
Created Date:  2013-06-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101088195     Medline TA:  J Nanosci Nanotechnol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2262-5     Citation Subset:  IM    
Affiliation:
School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China.
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