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  2. Magnetic refrigeration - Wikipedia

    en.wikipedia.org/wiki/Magnetic_refrigeration

    Thus, the materials considered for magnetic refrigeration devices should be magnetic materials with a magnetic phase transition temperature near the temperature region of interest. [11] For refrigerators that could be used in the home, this temperature is room temperature.

  3. Refrigeration - Wikipedia

    en.wikipedia.org/wiki/Refrigeration

    Commercial refrigeration. Refrigeration is any of various types of cooling of a space, substance, or system to lower and/or maintain its temperature below the ambient one (while the removed heat is ejected to a place of higher temperature). [1] [2] Refrigeration is an artificial, or human-made, cooling method. [1] [2]

  4. Heat transfer - Wikipedia

    en.wikipedia.org/wiki/Heat_transfer

    Magnetic evaporative cooling is a process for lowering the temperature of a group of atoms, after pre-cooled by methods such as laser cooling. Magnetic refrigeration cools below 0.3K, by making use of the magnetocaloric effect .

  5. Third law of thermodynamics - Wikipedia

    en.wikipedia.org/wiki/Third_law_of_thermodynamics

    At the same temperature, if the external magnetic field is strong, then the internal atoms in the salt would strongly align with the field, so the disorder (entropy) would decrease. Therefore, in Fig. 1, the curve for X 1 {\displaystyle X_{1}} is the curve for lower magnetic field, and the curve for X 2 {\displaystyle X_{2}} is the curve for ...

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  7. Superconducting magnetic energy storage - Wikipedia

    en.wikipedia.org/wiki/Superconducting_magnetic...

    Superconducting magnetic energy storage (SMES) systems store energy in the magnetic field created by the flow of direct current in a superconducting coil that has been cryogenically cooled to a temperature below its superconducting critical temperature. This use of superconducting coils to store magnetic energy was invented by M. Ferrier in ...

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  9. Rio Tinto-backed lithium tech startup set to raise second ...

    www.aol.com/news/rio-tinto-backed-lithium-tech...

    A lithium technology startup backed by Rio Tinto expects to finalise a funding round in the next week to raise A$27.5 million ($17.8), even as the global lithium market struggles, its Melbourne ...