Unlocking refractory BaZrO 3 -based protonic ceramics via cooperative interfacial low-temperature processing for electrochemical cells
Refractory BaZrO3-based protonic ceramics offer outstanding chemical stability for protonic ceramic electrochemical cells but require sintering temperatures exceeding 1550 °C because of sluggish cation diffusion, leading to detrimental Ba volatilization, electrode coarsening, and microstructural degradation. Here,...