Originally Posted by
llondel
The technology needs to improve a bit.
to be fair, the techs already fine, the issue with the 787 was the design/implementation.
Tesla probably have the most experience in large, high load/density Li battery systems and they have stuck with multiple small cells vs. large single cells (ala the 787)
take a look at their power pack setup:
https://www.tesla.com/en_GB/powerpack
multiple small modules made up from multiple cells, all water cooled.