Abstract
Proton Conducting Ceramics (PCCs) enable a variety of potential applications, such as hydration or dehydration of chemicals in addition to fuel cells and electrolysers. Here we demonstrate the development of PCCs in the third-generation architecture, i.e. porous Metal Supported (MS) cells, performed in the project DAICHI based on the expertize of MS-solid oxide cells in the European project EVOLVE. Engineering the electrode and electrolyte coating process on a porous ITM metal substrate, (La,Sr)MnO3 electrode and intermediate electrolyte layers were successfully fabricated to reduce the pore size from a few tens of µm (MS) to below hundred nm. A few µm-thick BaZrO3-based electrolyte layer was coated on the top of nano-porous intermediate layer by Pulsed Laser Deposition (PLD). The results demonstrated dense and crack-free MS-PCC cells obtained under optimal PLD conditions and with the entire processing below 1000°C.
Published Version
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