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Morphology Effect on Enhanced Li+-Ion Storage Performance for Ni2+/3+ and/or Co2+/(3+) Doped LiMnPO4 Cathode Nanoparticles
- Yun, Young Jun;
- Wu, Mihye;
- Kim, Jin Kyu;
- Ju, Ji Young;
- Lee, Sun Sook;
- ... Park, Jin-Seong;
- 외 5명
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5초록
The electrochemical performance of Li(Mn, M)PO4 (M = Co2+/3+, Ni2+/3+) was investigated with regard to the particle morphology. Within a controlled chemical composition, Li(Mn0.92Co0.04Ni0.04)PO4, the resultant cathode exhibited somewhat spherical-shaped nanocrystalline particles and enhanced Li+-ion storage, which was even better than the undoped LiMnPO4, up to 16% in discharge capacity at 0.05 C. The outstanding electrochemical performance is attributed to the well-dispersed spherical-shaped particle morphology, which allows the fast Li+-ion migration during the electrochemical lithiation/delithiation process, especially at high current density.
키워드
ELECTROCHEMICAL PERFORMANCE; LIFEPO4; MN; NANOMATERIALS; CONDUCTIVITY; BATTERIES; FE
- 제목
- Morphology Effect on Enhanced Li+-Ion Storage Performance for Ni2+/3+ and/or Co2+/(3+) Doped LiMnPO4 Cathode Nanoparticles
- 저자
- Yun, Young Jun; Wu, Mihye; Kim, Jin Kyu; Ju, Ji Young; Lee, Sun Sook; Kim, Ki Woong; Park, Woon Ik; Jung, Ha-Kyun; Kim, Kwang Ho; Park, Jin-Seong; Choi, Sungho
- 발행일
- 2015-11
- 유형
- Article
- 권
- 2015
- 페이지
- 1 ~ 8