Room-temperature superconducting materials would lead to many new possibilities for practical applications, including ultraefficient electricity grids, ultrafast and energy-efficient computer chips, and ultrapowerful magnets that can be used to levitate trains and control fusion reactors.
Another point merits mention. Over recent decades there have been reports of signals of possible room temperature superconductivity, usually in resistance or susceptibility measurements, which is the most straightforward evidence of superconductivity. The samples were invariably polycrys-talline, multiphase, or disordered to the point of amorphous.
VIII. Conclusions 23 Room temperature superconductivity (RTS) has been one of the grand challenges of condensed matter physics since the BCS theory of pairing (see Sec. II.A) was proposed and its predictions verified.
Cite this: ACS Nano 2022, 16, 4, 5103–5130 Room-temperature sodium–sulfur (RT Na–S) batteries are considered to be a competitive electrochemical energy storage system, due to their advantages in abundant natural reserves, inexpensive materials, and superb theoretical energy density.
Crucially, both critical field and critical current are temperature-dependent: the lower the temperature, the higher the current and magnetic field the material can withstand. So, just because a superconductor has a high Tc, that doesn’t mean that it will be possible to use it at any temperature below Tc.
On the other hand, the discovery of new super-conductors with Tc approaching room temperature in com-pressed hydrides has been enabled by material-specific theory and computational materials design, after which near room temperature superconductivity was predicted, then verified by experiment.
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