Idea – Concentrated Solar Cells With Space Rockets

The idea is simple.

Why not take advantage of concentrated solar pv cells for space rockets. The flame from those rockets contain a lot of energy. Then some of that energy could be recaptured by solar cells on the rocket.

Thermophotovoltaic cells (TPV) with a high efficiency (>50%) can maybe be used. Since the temperatures could reach over ?3000 °C. The cells need to be protected. A TPV could perhaps then be built in.

If then the rocket fuel mass could be reduced it should save a lot of money since you then could lift more cargo.

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