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Synthesis and electrochemical properties of nanorod-shaped LiMn1.5Ni0.5O4 cathode materials for lithium-ion batteries
- Authors
- Ju, Seo Hee; Kang, Yun Chan; Sun, Yang Kook; KIM, DONG WON
- Issue Date
- Jan-2012
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- Oxides; Nanostructures; Chemical synthesis; Electrochemical properties
- Citation
- MATERIALS CHEMISTRY AND PHYSICS, v.132, no.1, pp.223 - 227
- Indexed
- SCIE
SCOPUS
- Journal Title
- MATERIALS CHEMISTRY AND PHYSICS
- Volume
- 132
- Number
- 1
- Start Page
- 223
- End Page
- 227
- ISSN
- 0254-0584
- Abstract
- 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.
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Related Researcher
- Sun, Yang Kook
- COLLEGE OF ENGINEERING (DEPARTMENT OF ENERGY ENGINEERING)