New England Hybrid Festival 2013
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New England Hybrid festival 2014

Painted cells to increase emissivity

Painted cells to increase emissivity
> 100A discharge yields 21AH

Put 3 coats of flat black paint on the cells to make the cell surface more of an emitter, so I can get some good thermal uniformity photos.
The discharge was at the highest so far at 103A, and as the photos show. we had some red glowing load bands. Even the #10 lead wires got up to over 100F.
The cells did even better at the 103A than they did at 68A, so I suspect that warm is better than cool for getting the most energy out out of the cells.
Next test will be to freeze the fixture and see what the differences may be.
Pretty impressive cells for sure.