1. Kobayashi, M.A., Suzuki, T., and Hayase, M., J. Power Sources, 2014, vol. 267, no. 1, p. 622.
2. Borghei, M., Scotti, G., Kanninen, P., Weckman, T., Anoshkin, I.V., Nasibulin, A.G., Franssila, S., Kauppinen, E.I., Kallio, T., and Ruiz, V., Energy, 2014, vol. 65, no. 1, p. 612.
3. Xu, P., Dong, L., Neek-Amal, M., Ackerman, M.L., Yu, J., Barber, S.D., Schoelz, J.K., Qi, D., Xu, F., Thibado, P.M., and Peeters, F.M., ACS Nano, 2014, vol. 8, no. 3, p. 2697.
4. Stolten, D. and Emonts, B., Fuel cell science and engineering: materials, processes, systems and technology, Wiley-VCH Verlag GmbH & Co KGaA, 2012, vols. 1–2, p. 1268.
5. Gandia, L.M. and Arzamedi, G., Renewable hydrogen technologies: production, purification, storage, applications and safety, Elsevier, 2013, p. 472.