Yes. It's the same tech they use in things like hearing aid batteries [1]. The metal oxidizes, which can be harnessed to create an electrical current. [1] http

Yes. It's the same tech they use in things like hearing aid batteries [1]. The metal oxidizes, which can be harnessed to create an electrical current. [1] http://en.wikipedia.org/wiki/Zinc%E2%80%93air_battery http://en.wikipedia.org/wiki/Zinc%E2%80%93air_battery