Research data supporting "Deciphering the Origin of the High Capacities Seen in Magnesium Borate Polyanion Cathodes"

All data files are clearly labelled according to the Figure they correspond to and the material. - CIFs & SXRD data for all the materials in this study - Normalised XANES Data for all the spectra shown in the main manuscript and SI - CSV files for all the Electrochemistry data presented in the main manuscript and SI - FTIR Data for all the spectra in manuscript and SI - Full XPS Data and Fits, along with elemental quantification of XPS Survey - Individual CSV files for each Fit XPS spectrum shown in the main figures of the manuscript - SXRD for charged Mn orthoborate sample and for Ludwigite - as presented in the manuscript and SI - OEMS data for Ni orthoborate material showing gas evolution with electrochemical activity as presented in the main manuscript - TGA data for the Ni orthoborate material showing lack of H2O evolution at low temperatures, as discussed in main manuscript and the SI