The Effect of Crystalline Type of Carbonaceous Materials on Performance of the Carbon Anode for Lithium Ion Secondary Battery

리튬이온이차전지에서 결정성 탄소재료가 탄소부극 특성에 미치는 영향

  • Kim, Hyun-Joong (Department of Chemical Engineering, College of Engineering, Dankook University) ;
  • Lee, Chul-Tae (Department of Chemical Engineering, College of Engineering, Dankook University)
  • 김현중 (단국대학교 공과대학 화학공학과) ;
  • 이철태 (단국대학교 공과대학 화학공학과)
  • Received : 1998.07.20
  • Accepted : 1998.09.18
  • Published : 1998.12.10

Abstract

We have investigated various kind of graphite and MCMB6-28 to develop carbon negative electrode for lithium ion secondary battery. The interlayer length of them was $3.358{\sim}3.363{\AA}$ and the BET specific surface area was $2.95{\sim}26.15m^2/g$. From this study, When the interlayer of them was large and the BET specific surface area was high, the electrochemical characteristics of them was very excellent. Adding 0, 3, 5, wt% of KJ-Black as conducting agent to various graphitic carbon active materials, interface resistance of electrode and electrolyte was less, but rechargeability was better at 3 wt%. At constant current charge and discharge test, discharge capacity was small according to large current.

Acknowledgement

Supported by : 단국대학교

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