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The efficiency of conventional techniques used to harvest energy in nuclear reactors lies around 35%. This limit exists, because the nuclear energy is converted to electrical energy via heat engines. We study an alternative approach where the kinetic energy of nuclear reaction products is directly converted into electric energy in a stack of charged capacitors with a gap size of 500 nm and graphene...
We study the dielectric strength of vacuum gaps of under 100 nm. We find their dielectric strengths to have a power law dependence on the gap size. We apply this power law to find that the dielectric strength of a vacuum gap of 10 nm between two tungsten electrodes is 6.5 V/nm. The dielectric strength can be used to compute the maximum energy density, charge density, and power density. For tungsten,...
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