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Fusion energy

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Abstract

Fusion energy is one of the options to contribute to the energy demand of future generations without adding to global warming. In this paper, we present the status of fusion energy research on the basis of magnetic confinement.

Fusion energy is one of the options to contribute to the energy demand of future generations without contributing to global warming. In this paper, we present the status of fusion energy research on the basis of magnetic confinement. In France, the first fusion reactor ITER is under construction. Its success will be measured on the expectation to deliver 500 MW thermal power—a factor of 10 above the power to maintain the energy producing process. ITER is based on the tokamak concept. In addition, Wendelstein 7-X, an ambitious stellarator, has recently started operation. Both confinement concepts—the tokamak and the stellarator—will be discussed along with general topics regarding fusion technology, operational safety, fusion waste, possible electricity costs, and roadmaps toward a fusion reactor as a power source.

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  1. Max-Planck-Institut für Plasmaphysik, Greifswald, 17491, Germany

    Friedrich Wagner

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  1. Friedrich Wagner
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Correspondence to Friedrich Wagner.

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Wagner, F. Fusion energy. MRS Energy & Sustainability 5, 7 (2018). https://doi.org/10.1557/mre.2018.8

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