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An Overview of Lithium-Ion Battery Cathode Materials

Published online by Cambridge University Press:  30 August 2011

Yixu Wang
Affiliation:
Department of Mechanical and Aerospace Engineering North Carolina State University R3002, EB3, 911 Oval Drive, Raleigh, NC 27695
Hsiao-Ying Shadow Huang
Affiliation:
Department of Mechanical and Aerospace Engineering North Carolina State University R3002, EB3, 911 Oval Drive, Raleigh, NC 27695
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Abstract

The need for the development and deployment of reliable and efficient energy storage devices, such as lithium-ion rechargeable batteries, is becoming increasingly important due to the scarcity of petroleum. In this work, we provide an overview of commercially available cathode materials for Li-ion rechargeable batteries and focus on characteristics that give rise to optimal energy storage systems for future transportation modes. The study shows that the development of lithium-iron-phosphate (LiFePO4) batteries promises an alternative to conventional lithiumion batteries, with their potential for high energy capacity and power density, improved safety, and reduced cost. This work contributes to the fundamental knowledge of lithium-ion battery cathode materials and helps with the design of better rechargeable batteries, and thus leads to economic and environmental benefits.

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