Facile fabrication of LiMn2O4 microspheres from multi-shell MnO2 for high-performance lithium-ion batteries

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DOIResolve DOI: http://doi.org/10.1016/j.matlet.2014.07.117
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TypeArticle
Journal titleMaterials Letters
ISSN0167-577X
Volume135
Pages7578; # of pages: 4
SubjectEnergy storage and conversions; LiMn2O4; Nanocomposites; Multi-shell MnO2; Lithium-ion battery
AbstractA facile and convenient method is proposed to fabricate the LiMn 2O4 microspheres from multi-shell MnO2. Comparing to the LiMn2O4 synthesized from commercial electrolytic MnO2 (EMD), the LiMn2O4 microspheres synthesized in this work exhibit a close-to-theory specific capacity of 145.9 mA h/g at 0.2 C, while the LiMn2O4 from commercial MnO2 only shows a value of 105.3 mA h/g under the same testing conditions. LiMn2O4 microspheres also exhibit an excellent rate performance: 131.8 and 113.3 mA h/g at 5 and 10 C, respectively. This facile and convenient method to prepare LiMn2O4 microspheres provides a new way to fabricate lithium manganate cathode materials with high specific capacity and rate performance.
Publication date
LanguageEnglish
AffiliationEnergy, Mining and Environment; National Research Council Canada
Peer reviewedYes
NPARC number21272650
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Record identifier8c07fd03-0b80-4991-a30a-13cce801b531
Record created2014-12-03
Record modified2016-05-09
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