5 ms·
First carbon-14 diamond battery with lifespan of thousands of years
- gnabgib 2y ago(2024) Discussion at the time (17 points, 13 comments) https://news.ycombinator.com/item?id=42323979 https://news.ycombinator.com/item?id=42323979
- gus_massa 2y agoCherrypicked parial comment: > Reality check, because everyone always gets excited about this: the power density of these devices is on the order of 10 µW/cm^3 - about eight orders of magnitude lower than a lithium-ion battery. Technical advances may improve that somewhat, but it will never be competitive with conventional power sources.