High-performance and excellent thermal cycling stability of reversible protonic ceramic cells enabled by a promising Sr/Co-free PrNi<sub>0.5</sub>Fe<sub>0.5</sub>O<sub>3−<i>δ</i></sub> air electrode
Boseok Seong, Jiwon Yun, Sihyuk Choi
Abstract
The suppressed mismatch in thermal expansion coefficient between a thermomechanically durable Sr/Co-free PrNi 0.5 Fe 0.5 O 3− δ air electrode and a typical BaZr 0.4 Ce 0.4 Y 0.1 Yb 0.1 O 3− δ electrolyte leads to significantly enhanced thermal cycling stability.
Topics & Concepts
Materials scienceCeramicThermal stabilityCyclingTemperature cyclingChemical engineeringCrystallographyThermalMetallurgyThermodynamicsChemistryPhysicsEngineeringHistoryArchaeologyAdvancements in Solid Oxide Fuel CellsTransition Metal Oxide NanomaterialsGas Sensing Nanomaterials and Sensors