Heat pipesWaste heat recoveryHVAC systemsSolar photovoltaicElectronic componentsAutomobilesREGENERATIVE ELECTROCHEMICAL CYCLEASSISTED THERMOELECTRIC GENERATORLOW-GRADE HEATPOWER-GENERATIONENERGY-STORAGEPERFORMANCE ASSESSMENTDESALINATION SYSTEMEVACUATED TUBEAIR-PREHEATERFUEL-CELL