According to Wikipedia, nuclear reactions generate so much energy that a battery that stores this energy would have more energy than any other battery of equal volume.
Edit: Before you say "No. I don't want my devices becoming atom bombs," know that there are small atomic batteries that are safer than nuclear reactors because the latter use chain reactions and the former do not. Source:http://www.neowin.net/news/tiny-nuclear-battery-unveiled-by-researchers
Edit: Before you say "No. I don't want my devices becoming atom bombs," know that there are small atomic batteries that are safer than nuclear reactors because the latter use chain reactions and the former do not. Source:http://www.neowin.net/news/tiny-nuclear-battery-unveiled-by-researchers
Last edited: