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- Title
Rheological phase reaction synthesis of Co-doped LiMnO octahedral particles.
- Authors
Yi, Zonghui
- Abstract
Co-doped LiMnO octahedral particles were prepared by the rheological phase reaction using LiOH·HO, electrolytic manganese dioxide (EMD), and CoO as starting materials. The crystal structure and morphology of as-synthesized compound were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The XRD results showed that the obtained powders were single-phase with a cubic spinel structure (Fd3m space group). SEM micrograph revealed that the particles possessed an octahedral morphology, with an average particle size of about 1-2 μm. Electrochemical test results showed that this Co-doped LiMnO could deliver high specific capacity and good cycling stability, for the initial discharge capacity was 112.5 mAh g and the discharge capacity remained to keep 100 mAh g at 100th cycle, with an average capacity fade rate about 0.1 % per cycle.
- Subjects
ELECTROLYTIC manganese; MANGANESE dioxide electrodes; SCANNING electron microscopy; CRYSTAL structure; X-ray diffraction
- Publication
Journal of Materials Science: Materials in Electronics, 2016, Vol 27, Issue 10, p10347
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-016-5120-2