Rigorous peer-reviews are the basis of high-quality academic publishing. Thanks to the great efforts of our reviewers, Batteries 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 24 days and the median time to publication was 69 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:
| Abdel El Kharbachi | Leon L. Shaw |
| Abdulgalim Isaev | Lin Liu |
| Abhishek Das | Linda Gaines |
| Agnieszka Królicka | Liuwang Kang |
| Ahamed Irshad | Lucian Ioan Dulău |
| Albert Albers | Luis D. Couto |
| Alberto Adan-Mas | Maciej Ratyński |
| Alberto Battistel | Manes Fernández |
| Aldo Jonathan Muñoz-Vázquezto | Manickam Minakshi |
| Aldo Muro, Jr. | Marco Amores |
| Alexander Tolstoguzov | Marcus Jahn |
| Ali Talimian | Maria Ignat |
| Andante Hadi Pandyaswargo | Maria Manuela Silva |
| Andrea Paolella | Maria Rybarczyk |
| Andreas Nenning | Mariana Emilia Ghica |
| Andreea Felseghi | Marius Prelipceanu |
| Andrey Kistanov | Massimo Conti |
| Andrey Vasilyev | Mateusz Ciszewski |
| Andriy Kvasha | Mathieu Doucet |
| Anil K. Battu | Mathieu Etienne |
| Annalisa Paolone | Mattia Bartoli |
| Antonella Curulli | Matúš Danko |
| Antoniu Claudiu Turcu | Mengyuan Chen |
| Arkaprabha Konar | Michal Krajewski |
| Artem Kozlovskiy | Mihaela Cirlugea |
| Arunkumar Jayakumar | Mohammad Alipour |
| Asanthi Jinasena | Mohit Mehta |
| Atsushi Inoishi | Mona Faraji Niri |
| AZAIS Philippe | Muhammad Aziz |
| Balakrishnan Kirubasankar | M.V. Venkatashamy Reddy |
| Bartosz Szulczyński | Narumi Ohta |
| Bin Yao | Nenad Nenadic |
| Bo Chen | Neven Bulic |
| Bogdan-Adrian Enache | Nicholas Dimakis |
| Carlos Miguel Costa | Nicola Molinari |
| Carmel B Breslin | Nicu Bizon |
| Carmen Cavallo | Norihiro Shimoi |
| Changhong Wang | Oleg A. Brylev |
| Chenxiao Jiang | Olena I. Okhay |
| Chi Chen | Olivier Raccurt |
| Chuanyu Sun | Orazio Barbera |
| Chun-Ping Jen | Paul F. Smith |
| Cong Yin | Paul Northrop |
| Daniela Chrenko | Pavel Atanasoae |
| Daniel-Ioan Stroe | Pavel Matrenin |
| Dario Pasini | Paweł P. Włodarczyk |
| Davi Soares | Pedro Lavela |
| David Harries | Philip Niehoff |
| Deepak Patil | Postdoc Alberto Battistel |
| Denis Garoli | Pritesh Parikh |
| Denis Opra | Qifeng Zhang |
| Derek M. Hall | Qingsong Wang |
| Dimitra Vernardou | Qinyou An |
| Dingkun Ren | Raffaele Carli |
| Dongsheng Ji | Rajvikram Madurai Elavarasan |
| Dukjoon Kim | Ralph E. White |
| Dušan Katunský | Raman Vedarajan |
| Eduardo Redondo | Ramasubramonian Deiva-nayagam |
| Edward Bormashenko | Ranjith Thangavel |
| Elżbieta Jasińska | Raymond J.G. Opdenakker |
| Emilio Matricciani | Rindone Corrado |
| Enrico Petritoli | Ronald Gordon |
| Enrique Contreras | Rong-Ho Lee |
| Fabio Immovilli | Rudolf Holze |
| Fabrizio Zuccari | Ruediger Schweiss |
| Faisal Asfand | Ryszard Wycisk |
| Faiz Ahmed | Sarish Rehman |
| Farmakis Filippos | Sathiyaraj Kandhasamy |
| Feipeng Yang | Satyam Panchal |
| Ferdinando Chiacchio | Seong Tak Woo |
| Florin MARIASIU | Serhii Stepenko |
| Foad Gandoman | Seung-Wan Song |
| Francesco Mocera | Shafiqur Rahman Tito |
| Francesco Tornabene | Shaoyang Wang |
| Frank Lienesch | Shayok Mukhopadhyay |
| Gavin Harper | Sheng Shen |
| Germán Álvarez-Tey | Sheng-Heng Chung |
| Gheorghe Badea | Shezan Arefin |
| Gianluca Mattarocci | Simona Badilescu |
| Gill Lacey | Soo-Whang Baek |
| Giuseppe De Lorenzo | Srecko Stopic |
| Gregorio F Ortiz | Srete Nikolovski |
| Grzegorz Slaski | Stavros Lazarou |
| Gutru Rambabu | Stefan Kolling |
| Haifeng Dai | Sung Yeul Park |
| Hartmut Popp | Surendra Shinde |
| Héctor Rallo | Syed Basit Ali Bukhari |
| HengYun Zhang | Sylvie Grugeon |
| Hiroki Nara | Taha Selim Ustun |
| Igor Golub | Tai-Chin Chiang |
| Ilona Acznik | Tai-Feng Hung |
| Ioan Aschilean | Taron Makaryan |
| Ioannis Bouloumpasis | Tawfik Khattab |
| Ionela Carazeanu Popovici | Thanh-Nhan Tran |
| Isaías González Pérez | Thi-Thu-Huong Le |
| Ivan Merino-Garcia | Timo Danner |
| Ivanda Mile | Tom Fletcher |
| Jaan Ojarand | Tuan K. A. (Tom) Hoang |
| Jacek Paś | Vaclav Knap |
| Jadwiga Sołoducho | Wei Wang |
| Jaesun Lee | Wei Xu |
| Jaroslaw Jan JASINSKI | Wenbin Zhou |
| Jeffrey Read | Wenyue Shi |
| Jeng-Chyan Muti Lin | Willy Porcher |
| Jennifer B. Dunn | Władysław G. Wieczorek |
| Jiangong Zhu | Xiang Li |
| Jinfeng Li | Xiaopeng Tang |
| Jingxu Zheng | Xiaoqiang Shan |
| Jivan Thakare | Xingjian Xue |
| Johannes Kasnatscheew | Xuyang Zhang |
| Jose-Maria Delgado-Sanchez | Yang Li |
| Juan Ignacio Ahuir-Torres | Yeyoung Ha |
| Juan Luis Gómez-Cámer | Yi-Jen Mon |
| Julia Amici | Yikai Wang |
| Julien Magnien | Yingying Wu |
| Kai Peter Birke | Youjun Han |
| Khawaja Khalid Mehmood | Youngku Sohn |
| Kiran Mahankali | Yucang Liang |
| Konstantinos Arvanitis | Yueming Hu |
| KyungBae Kim | Yuesheng Wang |
| Lambros Ekonomou | Zengsheng Ma |
| Lars Giebeler | Zhao Ding |
| Laurentiu ALBOTEANU | Zhongbao Wei |
| Lei Wen |
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