Ultrathin spinel LiMn2O4 nanowires as high power cathode materials for Li-ion batteries.
basic_science · Level V
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- Record sourced from PubMed, PMID 20795626.
- Also identified by DOI 10.1021/nl101047f.
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Abstract
Ultrathin LiMn(2)O(4) nanowires with cubic spinel structure were synthesized by using a solvothermal reaction to produce α-MnO(2) nanowire followed by solid-state lithiation. LiMn(2)O(4) nanowires have diameters less than 10 nm and lengths of several micrometers. Galvanostatic battery testing showed that LiMn(2)O(4) nanowires deliver 100 and 78 mAh/g at very high rate (60C and 150C, respectively) in a larger potential window with very good capacity retention and outstanding structural stability. Such performances are due to both the favorable morphology and the high crystallinity of nanowires.