EMR modelling of a hydrogen-based electrical energy storage K. S. Agbli, D. Hissel, M.-C. Péra and I. Doumbia Eur. Phys. J. Appl. Phys., 54 2 (2011) 23404 Published online: 18 May 2011 DOI: 10.1051/epjap/2010100272