Coin-sized nuclear 3V battery with 50-year lifespan enters mass production
Coin-sized nuclear 3V battery with 50-year lifespan enters mass production
Energy storage technology has reached a transformative milestone as the BV100, a miniature atomic energy battery, enters mass production. Popular Mechanics notes that the coin-sized cell from...Skye Jacobs (TechSpot)
t�m
in reply to ☆ Yσɠƚԋσʂ ☆ • • •Smee
in reply to ☆ Yσɠƚԋσʂ ☆ • • •electrical generator that converts heat released by radioactive decay into electricity by the Seebeck effect
Contributors to Wikimedia projects (Wikimedia Foundation, Inc.)☆ Yσɠƚԋσʂ ☆
in reply to Smee • • •PolandIsAStateOfMind
in reply to ☆ Yσɠƚԋσʂ ☆ • • •deranger
in reply to Smee • • •PowerCrazy
in reply to deranger • • •DaPorkchop_
in reply to PowerCrazy • • •PowerCrazy
in reply to DaPorkchop_ • • •deranger
in reply to PowerCrazy • • •“Drinking hot tea is safe so drinking boiling water, which is also hot, should also be safe”
The quantity of radioactive material and what form of radiation it emits is extremely relevant to this discussion.
We have seen nuclear batteries - it’s decades old technology at this point. They were used in pacemakers. They stopped in the 80s because it’s too expensive and dangerous. You have to track radiation sources like this.
deranger
in reply to PowerCrazy • • •In smoke detectors and tritium watches the quantity of radioactive material is minuscule compared to the beta emitter in the battery, as in multiple orders of magnitude less. None of the things you mentioned have radioactive material in any significant quantity. If you swallowed or inhaled this battery you’d be exposed to significant amounts of radiation.
A microwave is not an ionizing radiation source.
Xavienth
in reply to deranger • • •"If you swallowed or inhaled this battery you'd be exposed to significant amounts of radiation."
It's beta radiation, which can be stopped by a layer of tin foil, I think. So yeah if you ate the source itself that would be bad, but if you eat the battery with the casing, probably much less bad?
queermunist she/her
in reply to deranger • • •humanspiral
in reply to Smee • • •i_am_not_a_robot
in reply to ☆ Yσɠƚԋσʂ ☆ • • •3V at 100 microwatts significantly limits its usefulness.
They say they're planning to make a 1W version, which I assume will be either be much larger or have a much shorter lifespan. How does it work? Does it have a way to stop the reaction or does the 1W battery generate 1W of heat when there's no load attached?
BlueÆther
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