Chloride Silent Power is presently implementing a program to develop and demonstrate the viability of NaS batteries for an EV delivery van application. This program will demonstrate a battery in a vehicle in the early 1987 time frame; out-of-vehicle battery testing will be performed in the latter half of 1986. The battery has a nominal capacity of 70 kWh and is designed to be integrated into a Bedford CF van. The battery employs the unique small NaS cell developed by CSPL designated the PB cell. This nominal 20 Wh cell has an energy density approaching 200 Wh/kg and has a significant impact on vehicle battery reliability. This paper presents the status of the CSPL sodium sulfur electric vehicle battery program, discussing its NaS technology, the EV battery design and its performance. (A)
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