ELECTRODE COMPOSITIONS COMPRISING SILICON ALLOYS OF ALUMINUM NITRIDE AND BATTERIES CONTAINING THE SAME

This disclosure relates to an electrochemically active material and batteries containing the same. The electrochemically active material comprises an alloy represented by the formula SiAlTiNOXwherein X comprises one or more of carbon, a transition metal, and tin, wherein a+b+c+d+e+f=100, wherein a>25, b>0, c≥0, d>0, d≥b, e≥0, f≥0, wherein a+b+c>d, d+(⅔e) >b, b+c>d, and wherein the alloy includes an inactive phase comprising aluminum.