In alt.cellular.verizon Larry W4CSC <noone@home.com> wrote:
:
http://www.sciencedaily.com/releases...0527105454.htm
: Found this on my Science Daily RSS feed. They are developing a porous
: silicon diode that can collect nearly every free electron around it. Fed
: with a safe beta isotope radiation source with a half life in the decades
: or longer, it will produce power nearly indefinately.
Yes, but it will only produce a tiny fraction of the power needed to
operate one of today's cell phones. If they could improve today's
cell phone technology to be that power efficient, you could just use
today's batteries anyway, because your cell phone would run for months
without needing to be recharged.
The main application of this technology is for stuff where it's very
hard to replace batteries as in some embedded applications. And it's
intended for ultra-low-power needs. Not that this type of technology
will never mature for more conventional needs, but one wonders how
much tritium fuel you would need to carry around in your cell phone
battery?
I have no doubt that the companies that make batteries are already
developing much better battery technologies. There may be even better
new technologies on the horizon than this for consumer products.
Andrew
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