نبذة مختصرة : International audience ; Nuclear wastes may not be considered as unusable materials in the sense that they deliver a free source of energyunder the form of ionizing radiations that can be used to produce hydrogen (H2) through water radiolysis. Thecurrent paradigm that define these nuclear wastes as troublesome by-products which no one uses nowadays mustbe shifted into a new opportunity for pure H2 production with no CO2 emission. Here, we propose a low-techmethod to boost H2 production by water radiolysis thanks to the catalytic effect of a suspension of TiO2 nano-particles. We also demonstrate the relevance of this concept by scaling up our laboratory results. From ourcalculations, this radiocatalytic process can supply until 60% of the actual global demand in hydrogen (42.9MtH2.y-1) and open the door, together with the green and white hydrogen productions, to the “Hydrogencentury”
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