Acknowledgment to Reviewers of Hydrogen in 2021

Rigorous peer-reviews are the basis of high-quality academic publishing. Thanks to the great efforts of our reviewers, Hydrogen was able to maintain its standards for the high quality of its published papers. Thanks to the contribution of our reviewers, in 2021, the median time to first decision was 15 days and the median time to publication was 49 days. The editors would like to extend their gratitude and recognition to the following reviewers for their precious time and dedication, regardless of whether the papers they reviewed were finally published:

Atinafu, Dimberu Geremew	Nechifor, Gheorghe
Bae, Dowon	Nemes, Norbert M.
Bilska-Wilkosz, Anna	Niedoba, Tomasz
Blecich, Paolo	Ochodek, Tadeáš
Bosich, Daniele	Oettingen, Mikolaj
Buzuk, Marijo	Palo, Emma
Carabineiro, Sonia	Paolone, Annalisa
Chen, Tai-Cheng	Petrescu, Florian Ion Tiberiu
Chilicka, Karolina	Petrova, Boryana
Colonna, Gianpiero	Pozio, Alfonso
Djukic, Milos B.	Puszkiel, Julián
Escorihuela, Jorge	Rizzi, Gian Andrea
Franzitta, Vincenzo	Rybarczyk, Piotr
Fydrych, Dariusz	Sadik-Zada, Elkhan Richard
González-Díaz, Benjamín	Saitoh, Hiroyuki
Grabski, Jakub Krzysztof	Sequeira, César A. C.
Guayaquil-Sosa, Jesus Fabricio	Sher, Farooq
Hassanpouryouzband, Aliakbar	Sinsuw, Alicia
Iguchi, Tetsuo	Sok, Ratnak
Iliev, Simeon	Sonnino, Giorgio
Jen, Tien Chien	Suarez-Alcantara, Karina
Kharin, Viktor	Träbert, Elmar
Koj, Jan Christian	Trinh, Thuat
Krella, Alicja	Tsigkou, Konstantina
Kuczynski, Szymon	Valente, Antonio
Kwiatkowski, Mirosław	Vecchio, Carmelo Lo
Manoharan, P. S.	Yoo, Dong Jin
Marseglia, Guido	Zhang, Jiawei
Martino, Marco	Zhang, Xuyang