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Structure of Electrochemically Lithiated Li_(0.33)MnO_2 |
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| Authors: | CHEN Hong WEI Ying-jin WANG Chun-zhong CHEN Gang .College of Materials Science Engineering Jilin University Changchun P.R.China .College of Physics Beihua University Jilin .State Key Laboratory of Superhard Materials College of Physics |
| Affiliation: | CHEN Hong1,2,WEI Ying-jin3,WANG Chun-zhong3 and CHEN Gang3 1.College of Materials Science and Engineering,Jilin University,Changchun 130012,P.R.China,2.College of Physics,Beihua University,Jilin 132013,3.State Key Laboratory of Superhard Materials,College of Physics |
| Abstract: | Li0.33MnO2 cathode material was synthesized by solid state reaction which showed a monoclinic structure.In situ synchrotron diffraction showed a reversible structural transition of Li0.33MnO2 during Li+ insertion/extraction.However,it is difficult to determine the crystal structure of lithiated Li0.33+xMnO2 based on their poorly resolved diffraction patterns.This difficulty was successfully resolved by X-ray absorption spectroscopy(XAS) and Raman scattering which are sensitive to the short-range ordering of... |
| Keywords: | Lithium ion battery Phase transformation X-Ray absorption spectroscopy(XAS) Raman scattering |
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