Illustration of Material Production (image) Hokkaido University Share Print E-Mail Caption Na+ of Na3V2(PO4)3 was substituted with K+, producing a thermodynamically metastable material which cannot be obtained using the conventional solid-state reaction method. Credit Fujioka M. et al., Journal of the American Chemical Society, November 16, 2017 Usage Restrictions This image is copyrighted and can be used for reporting this press release if properly credited. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.