Editorial: Advanced water splitting technologies development: Best practices and protocols - Bulfin, Brendan; Carmo, Marcelo; Van de Krol, Roel; Mougin, Julie; Ayers, Kathy; Gross, Karl J.; Marina, Olga A.; Roberts, George M.; Stechel, Ellen B.; Xiang, Chengxiang (Frontiers in Energy Research, 2023)