The lead-cooled fast reactor is a nuclear reactor design that uses molten lead or lead-bismuth eutectic as its coolant. These materials can be used as...

liquid metal cooled nuclear reactor (LMR) is a type of nuclear reactor where the primary coolant is a liquid metal. Liquid metal cooled reactors were first...

plutonium. As of 2025[update], every fast reactor has used a liquid metal coolant, typically sodium-cooled or lead-cooled. This allows high thermal efficiency...

sodium-cooled fast reactor is a fast neutron reactor cooled by liquid sodium. The initials SFR in particular refer to two Generation IV reactor proposals...

The BREST reactor is a Russian conceptual design for a lead-cooled fast reactor based on a generation IV reactor. Two designs are planned, the BREST-300...

operating Generation IV Small Modular Lead-cooled Fast Reactors (SMRs) using MOX fuel nuclear energy.This type of reactor just like the current ones are safe...

were: the gas-cooled fast reactor (GFR), the lead-cooled fast reactor (LFR), the molten salt reactor (MSR), the sodium-cooled fast reactor (SFR), the...

IV reactor types are FBRs: Gas-cooled fast reactor cooled by helium. Sodium-cooled fast reactor based on the existing LMFBR and integral fast reactor designs...

The gas-cooled fast reactor (GFR) system is a nuclear reactor design which is currently in development. Classed as a Generation IV reactor, it features...

ALFRED (Advanced Lead-cooled Fast Reactor European Demonstrator) is a planned lead-cooled fast reactor. Designed by Ansaldo Energia from Italy, it represents...

designs include generation IV, thermal-neutron reactors, fast-neutron reactors, molten salt, and gas-cooled reactor models. Commercial SMRs have been designed...

coolant for the lead-cooled fast reactor, part of the Generation IV reactor initiative. It has a melting point of 123.5 °C/254.3 °F (pure lead melts at 327 °C/621 °F...

NaK, lead, lead-bismuth eutectic, and in early reactors, mercury. Sodium-cooled fast reactor Lead-cooled fast reactor Gas cooled reactors are cooled by...

portal Energy portal Gas-cooled fast reactor Generation IV reactor Lead-cooled fast reactor Molten salt reactor Traveling wave reactor Estimates from Argonne...

The BN-800 reactor (Russian: реактор БН–800) is a sodium-cooled fast breeder reactor, built at the Beloyarsk Nuclear Power Station, in Zarechny, Sverdlovsk...

The BN-600 reactor is a sodium-cooled fast breeder reactor, built at the Beloyarsk Nuclear Power Station, in Zarechny, Sverdlovsk Oblast, Russia. It has...

makes it an accelerator-driven system (ADS). MYRRHA will be a lead-bismuth cooled fast reactor with two possible configurations: sub-critical or critical...

types of reactor cooled by gas, the terms GCR and to a lesser extent gas cooled reactor are particularly used to refer to this type of reactor. The GCR...

conceptual predecessor of the Dual Fluid Reactor was the UK 1970s lead-cooled fast spectrum molten salt reactor (MSFR), which dissolved the fissile fuel...

reactor BN-800 reactor - generation IV sodium-cooled fast breeder reactor, operational since 2016 BREST-300 - generation IV lead-cooled fast reactor,...

tube reactors like the heavy water CANDU or the Atucha-class PHWRs, light water cooled graphite moderated RBMK, and British-built gas-cooled reactors such...

research sodium-cooled fast reactor designed to test nuclear fuels, structural materials and coolants, as well as scientific experiments under fast neutron irradiation...

metal used as a coolant is lead, in e.g. lead cooled fast reactors, or a lead-bismuth alloy. Some early fast neutron reactors used mercury. For certain...

gas-cooled reactor (AGR) is a type of nuclear reactor designed and operated in the United Kingdom. These are the second generation of British gas-cooled reactors...

world's first continuous fast-neutron reactor, also known as the Los Alamos fast plutonium reactor. It was an experimental-scale reactor. The maximum output...

liquid metal cooled reactors). A fast SCWR could be a breeder reactor, like the proposed Clean and Environmentally Safe Advanced Reactor and could burn...

lead has been used as a coolant for lead-cooled fast reactors. The largest use of lead in the early 21st century is in lead–acid batteries. The lead in...

for lead-cooled fast reactors. In 2025 a published study suggested that the nucleus of 208Pb is not perfectly spherical as previously believed. Lead-212...

depressurized so that the emergency core cooling system may be turned on). In a depressurization fault, a gas-cooled reactor loses gas pressure within the core...

high-temperature gas-cooled reactor (HTGR) is a type of gas-cooled nuclear reactor which uses uranium fuel and graphite moderation to produce very high reactor core output...