Physically mixed graphene aerogel:carbon black (GA:CB)-supported Pt or hydrothermally synthesized GA-Pt/CB hybrid electrocatalysts for PEM fuel cells. - TEKE ÖNER, Emine; AYDIN, Melis Irmak; DURSUNOĞLU, Merve Nida; BAYRAKÇEKEN, Ayşe (Turkish Journal of Chemistry, 2026)