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Synthesis and electrochemical properties of nanorod-shaped LiMn1.5Ni0.5O4 cathode materials for lithium-ion batteries

Title
Synthesis and electrochemical properties of nanorod-shaped LiMn1.5Ni0.5O4 cathode materials for lithium-ion batteries
Author
김동원
Keywords
Oxides; Nanostructures; Chemical synthesis; Electrochemical properties
Issue Date
2012-01
Publisher
ELSEVIER SCIENCE SA, PO BOX 564, 1001 LAUSANNE, SWITZERLAND
Citation
MATERIALS CHEMISTRY AND PHYSICS, 권: 132, 호: 1, 페이지: 223-227
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. (C) 2011 Elsevier B.V. All rights reserved.
URI
http://www.sciencedirect.com/science/article/pii/S0254058411009564?via%3Dihub
ISSN
0254-0584
DOI
10.1016/j.matchemphys.2011.11.042
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > CHEMICAL ENGINEERING(화학공학과) > Articles
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