Schalenbach, M.; Lüke, W.; Stolten, D.: Hydrogen diffusivity and electrolyte permeability of the Zirfon PERL separator for alkaline water electrolysis. Journal of the Electrochemical Society 163 (14), pp. F1480 - F1488 (2016)
If manganese nodules can be mined in an environmentally friendly way, the critical metals needed for the energy transition could be produced with low CO2 emissions