Boosted thermogalvanic thermopower upon solid-to-liquid phase transition
Dongjoon Shin, K RYU, Daehyun Kim, Eunho Choi, Seunghoon Chae, Y. P. Lee, Yong Tae Kang, Sangtae Kim, Wonjoon Choi
Abstract
Exploiting the entropy of fusion among thermogalvanic devices and the associated configurational entropy change of bulk alkali metal alloys enables significant boosting of the thermopower from 1.5 mV K −1 to 26.1 mV K −1 for Na 2+ x K alloys.
Topics & Concepts
Seebeck coefficientMaterials scienceAlkali metalFusionCondensed matter physicsThermodynamicsBoosting (machine learning)Phase transitionEntropy of fusionEntropy (arrow of time)Configuration entropyThermoelectric effectEnthalpy of fusionPhysicsMelting pointQuantum mechanicsComputer scienceComposite materialPhilosophyLinguisticsMachine learningThermal Expansion and Ionic ConductivityAdvanced Thermoelectric Materials and DevicesAdvanced Battery Materials and Technologies