Wednesday, 6 March 2019
Areas Adjacent to the Forum (Scripps Seaside Forum)
Yazami1 reports on the thermodynamics of lithium ion battery. The understanding on heat generation of battery during charge and discharge and on heat dissipation is very important to maintain within appropriate temperature range2-4. Especially, it is highly important in the case of the battery of large capacity.
Here, drastic discharge with external resistance was studied with experimental and computational approach applying evaluated parameters of entropy, internal resistance, specific heat and open circuit cell potential. The coulombic capacity of used cell was ca 100 Ah. A case of external short was presented as below figure.
Acknowledgment: This study was supported by the KERI R&D program of MSIP/NST (18-12-N0103-01) and 18-02-N0108-02.
References:
- Kazunori Ozawa, Lithium Ion Rechargeable Batteries, Ch. 5, Wiley-VCH Verlag GmbH & Co. KGaA, 2009.
- K. Maher, R. Yazami, Electrochimica Acta, 101 (2013) 71.
- K. Jalkanen, T. Aho, K. Vuorilehto, Journal of Power Sources 243 (2013) 354.
- D.H. Jeon, S.M. Baek, Energy Conversion and Management 52 (2011) 2973
- Dong Hyup Jeon, Current Applied Physics 14 (2014) 196.