Comment Comment by gus_massa It was heavily discussed a few years ago, for example in https://news.ycombinator.com/item?id=13060159They last for a log time, but the important detail is that they have very low power, like 1mW with the size factor of a normal battery, so you need like a dozen for a (old) wrist watch and s few hundred to turn on a led.More details in:http://nanoscale.blogspot.com/2020/08/diamond-batteries-unli...https://www.youtube.com/watch?v=uzV_uzSTCTM (EEVblog) parent gus_massa 4 years ago
They last for a log time, but the important detail is that they have very low power, like 1mW with the size factor of a normal battery, so you need like a dozen for a (old) wrist watch and s few hundred to turn on a led.
More details in:
http://nanoscale.blogspot.com/2020/08/diamond-batteries-unli...
https://www.youtube.com/watch?v=uzV_uzSTCTM (EEVblog)