The goal of this paper is to evaluate cryogenics-based energy storage concepts: A thermo-electric energy storage unit, which uses surplus electricity while liquefying a gas, subsequently stored at cryogenic temperature. Here we review and evaluate concepts for power generation while regasifying the liquefied gas (cryogen) using an exergetic analysis. Two cold exergy recovery cycle configuration...

This letter is meant to make scientists aware of the proper application of transmission electron microscopy (TEM) for the assessment of polymeric self-assemblies. Cryogenic (cryo)-TEM should be the method of choice. Here, we show the difference in morphologies observed in the same sample when using cryo-TEM and when using TEM with drying, demonstrating the importance of choosing the proper method.

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An excellent molecule-based cryogenic magnetic refrigerant, gadolinium acetate tetrahydrate, is here used to decorate selected portions of silicon substrate. By quantitative magnetic force microscopy for a variable applied magnetic field near liquid-helium temperature, the molecules are demonstrated to hold their magnetic properties intact, and therefore their cooling functionality, after their...