Development of Lithium-ion Battery as Energy Storage for Mobile Power Sources Applications

摘要

In view of the need to protect the global environment and save energy, there has been strong demand for thedevelopment of lithium-ion battery technology as a energy storage system, especially for Light Electric Vehicle (LEV)and electric vehicles (EV) applications. The R&D trend in the lithium-ion battery development is toward the high powerand energy density, cheaper in price and high safety standard. In our laboratory, the research and development oflithium-ion battery technology was mainly focus to develop high power density performance of cathode material, whichis focusing to the Li-metal-oxide system, LiMO_2, where M = Co, Ni, Mn and its combination. The nano particle sizematerial, which has irregular particle shape and high specific surface area was successfully synthesized by selfpropagating combustion technique. As a result the energy density and power density of the synthesized materials aresignificantly improved. In addition, we also developed variety of sizes of lithium-ion battery prototype, including (i)small size for electronic gadgets such as mobile phone and PDA applications, (ii) medium size for remote control toysand power tools applications and (iii) battery module for high power application such as electric bicycle and electricscooter applications. The detail performance of R&D in advanced materials and prototype development in AMREC,SIRIM Berhad will be discussed in this paper.