Watersplittingisachemicalprocessthatbreaksdownwater(H2O)intoitsconstituentelements,hydrogen(H2)andoxygen(O2).Thisreactiontypicallyrequiresenergyinput,oftenintheformofelectricity(electrolysis)orlight(photocatalysis).Watersplittingisakeymethodforproducingcleanhydrogenfuel,whichcanbeusedasasustainableenergysourcewithzerocarbonemissions.Theprocessplaysacrucialroleinrenewableenergysystems,ashydrogencanstoreandtransportenergygeneratedfromsolar,wind,orothergreensources.Researcherscontinuetodevelopmoreefficientandcost-effectivewatersplittingtechnologiestosupporttheglobaltransitiontocleanenergy.
