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Examples
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The principle of betavoltaic power has been known since the 1950s, but only recent developments in materials sciences have made it possible to construct all the various elements that would be necessary to develop a viable battery.
A 20-Year Battery? 2007
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Via The Presurfer comes a link to this press release about a company that is hoping to develop a battery cell which could last for 20 years using the process of betavoltaic power.
A 20-Year Battery? 2007
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The package inside this prototype betavoltaic battery contains layers of silicon carbide and metal foil embedded with the radioactive isotope tritium.
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The lifetimes of betavoltaic devices depend on the half-lives, ranging from a few years to 100 years, of the radioisotopes that power them.
Gammerstang commented on the word betavoltaic
Betavoltaic devices, also known as betavoltaic cells, are generators of electric current, in effect a form of battery, which use energy from a radioactive source emitting beta particles (electrons). A common source used is the hydrogen isotope, tritium.
January 7, 2018