Betavoltaic battery

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Ralf Jurrien
brand Mobieltje category Batteries

Betavoltaic battery power for 30 years

content type Press information Mail the editor Posted by Ralf Jurrien
Thursday, October 18th 2007 - 20:33 CEST - Comments: 0
Y our next laptop could have a continuous power battery that lasts for 30 years without a single recharge thanks to work being funded by the US Air Force Research Laboratory. The breakthrough betavoltaic power cells are constructed from semiconductors and use radioisotopes as the energy source. As the radioactive material decays it emits beta particles that transform into electric power capable of fueling an electrical device like a laptop for years.
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Betavoltaic battery 

 

Betavoltaic battery power - Usable electric current

Although betavoltaic batteries sound Nuclear they're not, they're neither use fission/fusion or chemical processes to produce energy and so (do not produce any radioactive or hazardous waste). Betavoltaics generate power when an electron strikes a particular interface between two layers of material. The Process uses beta electron emissions that occur when a neutron decays into a proton which causes a forward bias in the semiconductor. This makes the betavoltaic cell a forward bias diode of sorts, similar in some respects to a photovoltaic (solar) cell. Electrons scatter out of their normal orbits in the semiconductor and into the circuit creating a usable electric current.

 

Battery power demonstrates Einstein's theory

The profile of the batteries can be quite small and thin, a porous silicon material is used to collect the hydrogen isotope tritium which is generated in the process. The reaction is non-thermal which means laptops and other small devices like mobile phones will run much cooler than with traditional lithium-ion power batteries. The reason the battery lasts so long is that neutron beta-decay into protons is the world's most concentrated source of electricity, truly demonstrating Einstein's theory E=MC2.

 

Betaboltaic power cell 

 

Betavoltaic battery power for 30 years - Scientific wonder batteries

The best part about these cells are when they eventually run out of power they are totally inert and non-toxic, so environmentalists need not fear these high tech scientific wonder batteries. If all goes well plans are for these cells to reach store shelves in about 2 to 3 years.

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