Thermal Management of a Nickel/Metal Hydride Battery

Nickel/Metal Hydride 전지의 열관리기술 개발

  • Kim, Junbom (Department of Chemical Engineering, University of Ulsan)
  • 김준범 (울산대학교 화학공학과)
  • Received : 1997.04.24
  • Accepted : 1997.06.09
  • Published : 1997.08.10

Abstract

Thermal behavior of high capacity Nickel/Metal hybride battery in analyzed using the NISA software which is based on the three dimensional finite element method. Differential energy balance equation is used for the conduction heat transfer of the battery, while convective heat transfer equation is used for the interface between the battery and air. Heat generation rate and convective heat transfer coefficient are tested as variables to investigate thermal behavior, and the generalized equation for maximum temperature inside the battery is developed. The abrupt rise of the battery temperature due to the quick charge or discharge can be prevented from the use of metallic cooling fin. In addition, temperature augmentation of the battery is negligible when the low thermal conductive and thin insulating material is used outside of the battery case.

Keywords

Acknowledgement

Supported by : 통상산업부

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