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Performance Characterization of 40 Ah Common Pressure Vessel Nickel-Hydrogen Cell
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English
Abstract
The electrical and thermal performance of a 40 Ah dual stack Nickel-Hydrogen (NiH2) cell has been characterized at 0°C and 10°C. The testing included standard capacity tests and electrical cycling using 100 minute cycling regimens, utilizing one of three modes: 1) Cycling containing 77A pulse loads applied for 6 msec followed by a 24A charge for 6 msec; 2) Constant current, constant depth-of-discharge (DOD) cycles; and 3) Constant DOD cycles with step changes in cell current at three points in the discharge. The testing was performed with the cell in a heat conduction calorimeter.
The results of the test included amount of instantaneous heat generation during a typical LEO cycle, pressure vs. cutoff voltage data to establish a temperature-compensated voltage cutoff curve, and voltage characteristics suitable to generate a voltage prediction model. The inductive response to pulse loads is of interest and is discussed in the paper.
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Citation
Hafen, D., "Performance Characterization of 40 Ah Common Pressure Vessel Nickel-Hydrogen Cell," SAE Technical Paper 929321, 1992, https://doi.org/10.4271/929321.Also In
References
- Harvey Tim Miller Lee Eagle Picher Industries, Inc. “2.5 Volt (2 Stack) Common Pressure Vessel Nickel-Hydrogen Battery Cell: Technology Status,” NASA Aerospace Battery Workshop Huntsville, AL October 1991
- Otzinger Burton M. Wheeler James R. “Common Pressure Vessel Nickel Hydrogen Battery Development,” Proceedings of the 24th Intersociety Energy Conversion Engineering Conference Arlington, VA August 1989 1381 6