Sodium-cooled fast reactor

A sodium-cooled fast reactor (SFR) is a fast neutron reactor cooled by liquid sodium.

The initials SFR in particular refer to two Generation IV reactor proposals, one based on existing liquid metal cooled reactor (LMFR) technology using mixed oxide fuel (MOX), and one based on the metal-fueled integral fast reactor.

Currently China, Russia and India have operational sodium-cooled fast reactors (see the list of reactors).

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