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Large lithium ion batteries for aerospace and aircraft applications

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2 Author(s)
G. C. Bruce ; Eagle-Picher Energy Products, Surrey, BC, Canada ; L. Marcoux

Eagle-Picher Energy Products (EPEP) has been manufacturing and testing large lithium ion cells (up to 100-Ah) for several years. Recently, work has focused on the testing of different chemistries at variable temperatures and designing and fabricating 100-Ah cylindrical cells. For the aircraft application the largest concern is irreversible capacity loss at elevated temperatures (70°C). In contrast, for the aerospace application shelf-life and cycle life are critical. EPEP has found that the major contributor to the loss in low temperature performance due to high temperature testing, was the positive electrode. EPEP discuss recent results of variable temperature cycling and 100-Ah cell performance

Published in:

IEEE Aerospace and Electronic Systems Magazine  (Volume:16 ,  Issue: 9 )