Original ResearchPublished 12 October 2026Nanocrystalline SrTi 1 -x Fe x O 3- δ perovskites as high-performance electrodes for intermediate-temperature symmetric SOFCsEsteban Asto-Ramos · María Belén Arcentales-Vera · Loreto Troncoso · Faramarz S. Gard · Cristián Huck-Iriart · Diego G. LamasFrontiers in Energy Researchdoi 10.3389/fenrg.2026.1948765