Sodium-Magnesium Ion related battery research:
https://www.sciencedirect.com/science/article/pii/S0013468619308187
https://www.frontiersin.org/articles/10.3389/fchem.2018.00611/full
https://pubs.acs.org/doi/abs/10.1021/acs.chemmater.5b03531
https://www.sciencedirect.com/science/article/pii/S0013468618316165
