> --- GWMobile <
[email protected]> wrote:
> =
> > A different form of the beta battery emerges from
> > government labs. =
> > +riginal patented about 20 years used a beta source
> > hitting cathodes.)
> > =
> > Wouldn't this make a fantastic car. Imagine your
> > only limit being the =
> > continous output of the battery for speed - never
> > range!
> > =
> >
> http://www.nextenergynews.com/news1/next-energy-news-betavoltaic-
> 10.1.html> =
> > =
> > October 1, 07
> > =
> > Scientists Invent 30 Year Continuous Power Laptop
> > Battery
> > =
> > Your next laptop could have a continuous power
> > battery that lasts for =
> > 30 years without a single recharge thanks to work
> > being funded by the =
> > U.S. 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.
> > =
> > Although betavoltaic batteries sound Nuclear
> > they=E2=80=99re not, they=E2=80=99re =
> > 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.
> > =
> > 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=E2=80=99s theory E=3DMC2.
> > =
> > 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.
> > =
> > =
> > =
> > www.GlobalBoiling.com for daily images about
> > hurricanes, globalwarming =
> > and the melting poles.
> > =
> > www.ElectricQuakes.com daily solar and earthquake
> > images.
> > =
> > _______________________________________________
> > For subscription options, see
> > http://lists.sjsu.edu/mailman/listinfo/ev
> =
> _______________________________________________
> For subscription options, see
> http://lists.sjsu.edu/mailman/listinfo/ev
> =
_______________________________________________
For subscription options, see
http://lists.sjsu.edu/mailman/listinfo/ev
