Morphology Effect on Enhanced Li+-Ion Storage Performance for Ni2+/3+ and/or Co2+/3+ Doped LiMnPO4 Cathode Nanoparticles
Young Jun Yun
Advanced Battery Materials Research Group, Korea Research Institute of Chemical Technology, 141 Gajeongro, Yuseong, Daejeon 305-600, Republic of Korea krict.re.kr
Division of Materials Science and Engineering, Hanyang University, Seongdong-gu, Seoul 133-791, Republic of Korea hanyang.ac.kr
Search for more papers by this authorMihye Wu
Advanced Battery Materials Research Group, Korea Research Institute of Chemical Technology, 141 Gajeongro, Yuseong, Daejeon 305-600, Republic of Korea krict.re.kr
Search for more papers by this authorJin Kyu Kim
Advanced Battery Materials Research Group, Korea Research Institute of Chemical Technology, 141 Gajeongro, Yuseong, Daejeon 305-600, Republic of Korea krict.re.kr
Search for more papers by this authorJi Young Ju
Advanced Battery Materials Research Group, Korea Research Institute of Chemical Technology, 141 Gajeongro, Yuseong, Daejeon 305-600, Republic of Korea krict.re.kr
Search for more papers by this authorSun Sook Lee
Advanced Battery Materials Research Group, Korea Research Institute of Chemical Technology, 141 Gajeongro, Yuseong, Daejeon 305-600, Republic of Korea krict.re.kr
Search for more papers by this authorKi Woong Kim
Advanced Battery Materials Research Group, Korea Research Institute of Chemical Technology, 141 Gajeongro, Yuseong, Daejeon 305-600, Republic of Korea krict.re.kr
Search for more papers by this authorWoon Ik Park
Global Frontier R&D Center for Hybrid Interface Materials (HIM), Busandaehak-ro 63 beon-gil, Geumjeong-gu, Busan 609-735, Republic of Korea
Search for more papers by this authorHa-Kyun Jung
Advanced Battery Materials Research Group, Korea Research Institute of Chemical Technology, 141 Gajeongro, Yuseong, Daejeon 305-600, Republic of Korea krict.re.kr
Search for more papers by this authorCorresponding Author
Kwang Ho Kim
Global Frontier R&D Center for Hybrid Interface Materials (HIM), Busandaehak-ro 63 beon-gil, Geumjeong-gu, Busan 609-735, Republic of Korea
School of Materials Science and Engineering, Pusan National University (PNU), Busandaehak-ro 63 beon-gil, Geumjeong-gu, Busan 609-735, Republic of Korea pusan.ac.kr
Search for more papers by this authorCorresponding Author
Jin-Seong Park
Division of Materials Science and Engineering, Hanyang University, Seongdong-gu, Seoul 133-791, Republic of Korea hanyang.ac.kr
Search for more papers by this authorCorresponding Author
Sungho Choi
Advanced Battery Materials Research Group, Korea Research Institute of Chemical Technology, 141 Gajeongro, Yuseong, Daejeon 305-600, Republic of Korea krict.re.kr
Search for more papers by this authorYoung Jun Yun
Advanced Battery Materials Research Group, Korea Research Institute of Chemical Technology, 141 Gajeongro, Yuseong, Daejeon 305-600, Republic of Korea krict.re.kr
Division of Materials Science and Engineering, Hanyang University, Seongdong-gu, Seoul 133-791, Republic of Korea hanyang.ac.kr
Search for more papers by this authorMihye Wu
Advanced Battery Materials Research Group, Korea Research Institute of Chemical Technology, 141 Gajeongro, Yuseong, Daejeon 305-600, Republic of Korea krict.re.kr
Search for more papers by this authorJin Kyu Kim
Advanced Battery Materials Research Group, Korea Research Institute of Chemical Technology, 141 Gajeongro, Yuseong, Daejeon 305-600, Republic of Korea krict.re.kr
Search for more papers by this authorJi Young Ju
Advanced Battery Materials Research Group, Korea Research Institute of Chemical Technology, 141 Gajeongro, Yuseong, Daejeon 305-600, Republic of Korea krict.re.kr
Search for more papers by this authorSun Sook Lee
Advanced Battery Materials Research Group, Korea Research Institute of Chemical Technology, 141 Gajeongro, Yuseong, Daejeon 305-600, Republic of Korea krict.re.kr
Search for more papers by this authorKi Woong Kim
Advanced Battery Materials Research Group, Korea Research Institute of Chemical Technology, 141 Gajeongro, Yuseong, Daejeon 305-600, Republic of Korea krict.re.kr
Search for more papers by this authorWoon Ik Park
Global Frontier R&D Center for Hybrid Interface Materials (HIM), Busandaehak-ro 63 beon-gil, Geumjeong-gu, Busan 609-735, Republic of Korea
Search for more papers by this authorHa-Kyun Jung
Advanced Battery Materials Research Group, Korea Research Institute of Chemical Technology, 141 Gajeongro, Yuseong, Daejeon 305-600, Republic of Korea krict.re.kr
Search for more papers by this authorCorresponding Author
Kwang Ho Kim
Global Frontier R&D Center for Hybrid Interface Materials (HIM), Busandaehak-ro 63 beon-gil, Geumjeong-gu, Busan 609-735, Republic of Korea
School of Materials Science and Engineering, Pusan National University (PNU), Busandaehak-ro 63 beon-gil, Geumjeong-gu, Busan 609-735, Republic of Korea pusan.ac.kr
Search for more papers by this authorCorresponding Author
Jin-Seong Park
Division of Materials Science and Engineering, Hanyang University, Seongdong-gu, Seoul 133-791, Republic of Korea hanyang.ac.kr
Search for more papers by this authorCorresponding Author
Sungho Choi
Advanced Battery Materials Research Group, Korea Research Institute of Chemical Technology, 141 Gajeongro, Yuseong, Daejeon 305-600, Republic of Korea krict.re.kr
Search for more papers by this authorAbstract
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.
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