Lockheed Martin Energy, LLC

Roger Frisbee

Matthew Millard

Adam Morris-Cohen

Coordinatively saturated titanium (IV) coordination compounds containing catecholate ligands can be desirable active materials for flow batteries and other electrochemical energy storage systems. Such coordination compounds can be formed advantageously via an intermediate composition containing a coordinatively unsaturated titanium (IV) coordination compound. More specifically, such compositions can include a coordinatively unsaturated titanium (IV) coordination compound having a coordination number of 5 or less and containing two catecholate ligands, wherein the composition is substantially free of non-ligated catechol compound. Methods for forming the coordinatively unsaturated titanium (IV) coordination compounds can include: combining titanium tetrachloride and a catechol compound in an aprotic solvent to form a reaction mixture, and reacting the titanium tetrachloride with the catechol compound in an absence of base to form a coordinatively unsaturated titanium (IV) coordination compound having a coordination number of 5 or less and containing two catecholate ligands and that is insoluble in the reaction mixture.

Growing community of inventors

Hendersonville, NC, United States of America

Roger Frisbee