Thanks for the great work that you have done discovering this awesome system!

Adding some more detail: the Ni-rich's maximum capacity–step relative humidity metrics approach the empirical limit, and it is stable towards cycling, with minimal loss in working capacity over 100 cycles (cycled between 20–40% RH with a working capacity of 0.64 g/g).

You could 3D print the PORMAKE building blocks and add magnets/Lego type joints to each connection point

pubs.acs.org/doi/full/10....

github.com/Sangwon91/PO...

Here is Mathematica notebook to calculate the isosteric enthalpy of adsorption (here written for the Unilan model, but I can add for dual-site Langmuir or virial upon request). These fits use error propagation to generate error bars for the ∆H.

github.com/JulesOpp/Iso...

Here is a set of Mathematica notebooks to generate Tanabe-Sugano diagrams for d1 to d10.

github.com/JulesOpp/Tan...

Here you can adjust the Racah parameters, and use the equations to directly fit to experimental values. The diagrams are generated from doi.org/10.1143/JPSJ...