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Richard230
25 September 2016, 1549
This article explains why new battery technology is so difficult to make it to the consumer market:
https://www.technologyreview.com/s/602245/why-we-still-dont-have-better-batteries/

Warren
26 September 2016, 0700
Pretty good article. I hear EV fans, especially on the car sites, comparing battery development to electronics' exponential growth. They assume huge jumps in energy and power density in 5-10 years. The people actually involved in battery development are much less optimistic. Read this guy's early posts for an idea of how hard it is.

http://thisweekinbatteries.blogspot.com/

Batteries are part electronics, part chemistry, and part engineering. Anything you do in one area affects the other two, often for the worse.