Diffusion of Li Atoms in LiMn2O4 with a Disordered Spinel Structure
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چکیده
منابع مشابه
Ultrathin spinel LiMn2O4 nanowires as high power cathode materials for Li-ion batteries.
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, respectivel...
متن کاملLiMn2O4 as a Li-Ion Battery Cathode
Eriksson, T. 2001. LiMn2O4 as a Li-Ion Battery Cathode. From Bulk to Electrolyte Interface. Acta Universitatis Upsaliensis. Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology 651. 53 pp. Uppsala. ISBN 91-554-5100-4. LiMn2O4 is ideal as a high-capacity Li-ion battery cathode material by virtue of its low toxicity, low cost, and the high natural abundance ...
متن کاملLow-Temperature Structure and Magnetic Properties of the Spinel LiMn2O4: A Frustrated Antiferromagnet and Cathode Material
Powder neutron diffraction has been used to study the nature of the structural transition away from the Fd3m cubic structure upon cooling below ∼285 K in the spinel LiMn2O4. We report powder data taken between 10 K and 333 K and propose a large cell tetragonal structure in space group I41/amd for the material at 100 K. While complete segregation of the Mn3+ and Mn4+ ions is not possible in this...
متن کاملSpinel LiMn2O4 nanorods as lithium ion battery cathodes.
Spinel LiMn2O4 is a low-cost, environmentally friendly, and highly abundant material for Li-ion battery cathodes. Here, we report the hydrothermal synthesis of single-crystalline beta-MnO2 nanorods and their chemical conversion into free-standing single-crystalline LiMn2O4 nanorods using a simple solid-state reaction. The LiMn2O4 nanorods have an average diameter of 130 nm and length of 1.2 mic...
متن کاملLi ion kinetic studies on spinel cathodes , Li ( M 1 /
Pristine and substituted spinels, Li(M1/6Mn11/6)O4 (M ~ Co1/6, Co1/12Al1/12) were prepared and their cathodic performance up to 80 cycles at ambient temperature and at 50 uC and the Li ion kinetic parameters obtained by galvanostatic intermittent titration technique (GITT) at ambient temperature and 50 uC and electrochemical impedance spectroscopy (EIS) at ambient temperature up to 80 cycles we...
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ژورنال
عنوان ژورنال: Nihon Kessho Gakkaishi
سال: 2006
ISSN: 0369-4585,1884-5576
DOI: 10.5940/jcrsj.48.17