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A nickel/hydrogen battery for PV systems

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1 Author(s)
Bush, D.M. ; Sandia Nat. Lab., Albuquerque, NM, USA

The nickel-hydrogen battery, developed in the early nineteen-seventies as an energy-storage subsystem for commercial communication satellites, is discussed. The advantages offered by nickel-hydrogen batteries, including long life, low maintenance and high reliability, make it very attractive for terrestrial applications such as stand-alone photovoltaic systems. The major drawback to the wider use of the nickel-hydrogen battery is its high initial cost. A 7-kWh battery has been on test since January 1988 using a flat-plate photovoltaic array for charging. The cell, battery design and test methods are briefly described, and the results of cycling and solar tests are presented. It is concluded that the battery is well suited for remote solar applications.<>

Published in:

Aerospace and Electronic Systems Magazine, IEEE  (Volume:5 ,  Issue: 8 )