Ellingham Diagram Calculator
About the Model
Metal Oxide Input:
Please fill out this field before clicking the "Add" button.
chemical formula or Materials Project ID
Select Metal Oxides:
Please add at least one metal oxide to the list.
Materials Project API Key:
This field is required.
Don’t have one? Register for free at
Please enter a temperature between 0 & 3000 K.
for the predicted free energy calculation
Please wait; retrieving data from Materials Project. This may take a few minutes, depending on how many metal oxides you selected.