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Reversible electrical energy storage device such as reversible battery for fossil fuel propelled vehicle, has non-conductive, insulating depletion region that is formed in electride portion of n-type semiconductor portion
Reversible electrical energy storage device such as reversible battery for fossil fuel propelled vehicle, has non-conductive, insulating depletion region that is formed in electride portion of n-type semiconductor portion
The device has two metallic power supply units provided with p-type semiconductor portion (3) and n-type semiconductor portion (2) which are arranged in planar contact with each other. Movable charge carriers are accumulated in p-type semiconductor portion. An electride portion of n-type semiconductor portion is provided with a non-conductive, insulating depletion region (2a) which is free of mobile charge carriers. The charge breakthrough and charge balance between semiconductor portions are prevented due to material properties of the electride portion.
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