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Synthesis and electrochemical properties of nanorod-shaped LiMn1.5Ni0.5O4 cathode materials for lithium-ion batteries
- Ju, Seo Hee;
- Kang, Yun Chan;
- Sun, Yang Kook;
- KIM, DONG WON
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11초록
Nanorod-shaped LiMn1.5Ni0.5O4 cathode powders were synthesized by a co-precipitation method with oxalic acid. Their structures and electrochemical properties were characterized by SEM, XRD and galvanostatic charge-discharge tests. The resulting nanorod-shaped LiMn1.5Ni0.5O4 cathode active materials delivered a specific discharge capacity of 126 mAhg(-1) at 0.1 C rate. These active materials exhibited better capacity retention and higher rate performance than those of LiMn1.5Ni0.5O4 cathode powders with irregular morphology.
키워드
Oxides; Nanostructures; Chemical synthesis; Electrochemical properties; COPRECIPITATION METHOD; LINI0.5MN1.5O4 SPINEL; ELEVATED-TEMPERATURES; STORAGE PERFORMANCE; MANGANESE OXIDE; DENSITY; CARBONATE
- 제목
- Synthesis and electrochemical properties of nanorod-shaped LiMn1.5Ni0.5O4 cathode materials for lithium-ion batteries
- 저자
- Ju, Seo Hee; Kang, Yun Chan; Sun, Yang Kook; KIM, DONG WON
- 발행일
- 2012-01
- 유형
- Article
- 권
- 132
- 호
- 1
- 페이지
- 223 ~ 227