The concept is interesting but the IEEE Spectrum article is utter CRAP. To accentuate the poor writing, the author consistently misspells “braking” and “brakes”. And she left out the most interesting detail from the original announcement.
The press release is much better: https://media.ford.com/content/fordmedia/fna/us/en/news/2014/06/03/ford-and-samsung-research-next-generation-battery-technology.html
The idea is that implementing auto start/stop (e.g. turn off the engine at a red light) is a problem for non-hybrids because the A/C and other peripherals run down the battery. So, supplement that with regenerative braking (so you don’t need a bigger alternator) and a higher capacity battery (so you can go longer without draining it).
Originally shared by IEEE Spectrum
Ford and Samsung Team Up on Regenerative Breaking for Non-Hybrids http://ow.ly/2HEcB7