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Topic: atomic batteries (Read 1 time) previous topic - next topic

knuckles

anyone tried or even seen them despite their high costs ?
looks like the way to go ,they last 20 years without a re charge ¬
i dont know how common or what price is tritium to make the batteries .
sound s like a job for Doc Oc

$1200 for a unit..phew ,but 20 years usage sounds usefull ...

majenko

NASA use them... They're on Curiosity right now, trundling around Mars.  You might ask them if you can take it for a spin...
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johnwasser


$1200 for a unit..phew ,but 20 years usage sounds usefull ...


Unfortunately they only put out 50 to 350 nanoAmps (0.05 to 0.35 microAmps).

http://www.citylabs.net/index.php?option=com_wrapper&view=wrapper&Itemid=20
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JoeN

I prefer mine bigger...

I have only come here seeking knowledge. Things they would not teach me of in college.

majenko

Show off.

Is that you stood next to it?
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James C4S

So.  Many.  Inappropriate. Jokes.
Capacitor Expert By Day, Enginerd by night.  ||  Personal Blog: www.baldengineer.com  || Electronics Tutorials for Beginners:  www.addohms.com

Henry_Best


Show off.

Is that you stood next to it?


Yep. But you can't see him when he hasn't got his bandages on...

JoeN

That is a NASA physicist or contractor and she is certainly female, no that is not me.  The link is a hot-link to Wikipedia's article on RTGs.

http://en.wikipedia.org/wiki/Radioisotope_thermoelectric_generator
I have only come here seeking knowledge. Things they would not teach me of in college.


zoomkat

Consider the daffodil. And while you're doing that, I'll be over here, looking through your stuff.   8)

JoeN


http://micgadget.com/32782/you-can-easily-buy-an-nuclear-battery-in-china-that-could-last-for-a-thousand-years/


The half life of tritium is 12.32 years.  It's not going to last 1000 years.  After 100 years only 0.36% will remain.  After 1000 years, 3.7E-25.  I'm sure the betavoltaics have a cutoff threshold at some point where there is no voltage despite some residual beta activity.
I have only come here seeking knowledge. Things they would not teach me of in college.

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