Recent Trend of Lithium Secondary Batteries for Cellular Phones

최근 휴대폰용 배터리의 기술개발 동향

  • 이형근 (차세대전지연구센터, 전자부품연구원) ;
  • 김영준 (차세대전지연구센터, 전자부품연구원) ;
  • 조원일 (차세대전지연구센터, 전자부품연구원)
  • Published : 2007.02.28


In this review article, we are going to explain the recent development of lithium secondary batteries for a cellular phone. There are three kinds of rechargeable batteries for cellular phones such as nickel-cadmium, nickel-metal hydride, and lithium ion or lithium ion polymer. The lithium secondary battery is one of the most excellent battery in the point of view of energy density. It means very small and light one among same capacity batteries is the lithium secondary battery. The market volume of lithium secondary batteries increases steeply about 15% annually. The trend of R&D is focused on novel cathode materials including $LiFePO_4$, novel anode materials such as lithium titanate, silicon, and tin, elecrolytes, and safety insurance.


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