@article {858, title = {System efficiency for two-step metal oxide solar thermochemical hydrogen production {\textendash} Part 3: Various methods for achieving low oxygen partial pressures in the reduction reaction}, journal = {International Journal of Hydrogen Energy}, volume = {41}, note = {{\textquoteright}doi: 10.1021/acsenergylett.0c01132\n - I.Am.Hydrogen{\textquoteright} {\textquoteright}\n - jyoungstrom{\textquoteright} {\textquoteright}Jason thinks this is great.\n~\n - jyoungstrom{\textquoteright} {\textquoteright}\n - estechel{\textquoteright} }, pages = {19881-19893}, issn = {03603199}, doi = {10.1016/j.ijhydene.2016.07.106}, url = {http://linkinghub.elsevier.com/retrieve/pii/S0360319915303542}, author = {Brian D. Ehrhart and Christopher L. Muhich and Ibraheam Al-Shankiti and Alan W. Weimer} }