Why does nuclear fusion give more energy that nuclear fission?
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The total energy released when a large atom of Plutonium or Uranium is split into two or more atoms by process of Nuclear Fission is high, let us say , about 150 MeV.
The total energy released when four Hydrogen atoms are combined to give a Helium atom is about 26 MeV.
However, the energy released per particle in Nucleus (Nucleon) is higher in Fusion process than in Fission. The reason is the binding energy released when all the particles are brought together is more than the energy released when the nucleus is split. When nuclei are split, all resulting nuclei are not Hydrogen atoms. They are large atoms. So some of the energy still remains in the nuclei of the split atoms.
Also, the electromagnetic energy released during a Fission process per particle is less than the gravitational and weak nuclear forces per particle. That is so because of the size of the separation among them in one nucleus.
The total energy released when four Hydrogen atoms are combined to give a Helium atom is about 26 MeV.
However, the energy released per particle in Nucleus (Nucleon) is higher in Fusion process than in Fission. The reason is the binding energy released when all the particles are brought together is more than the energy released when the nucleus is split. When nuclei are split, all resulting nuclei are not Hydrogen atoms. They are large atoms. So some of the energy still remains in the nuclei of the split atoms.
Also, the electromagnetic energy released during a Fission process per particle is less than the gravitational and weak nuclear forces per particle. That is so because of the size of the separation among them in one nucleus.
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Fusion powers the Sun and stars as hydrogen atoms fuse together to form helium, and matter is converted into energy. ... The nuclei can then fuse, causing a release of energy.
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