An immobilized receptor selectively sequesters Li+ and PF6− from aprotic solutions. Subsequent suspension in methanol serves to trigger the release of LiPF6. The recovered LiPF6 has ≥99.5% purity and no appreciable trace metal content as determined by qNMR spectroscopy and ICP-MS analysis.
Bibliographical noteKAUST Repository Item: Exported on 2022-06-30
Acknowledged KAUST grant number(s): OSR-2019-CRG8-4032
Acknowledgements: J. L. S. and N. M. K. acknowledge support from the King Abdullah University of Science and Technology (KAUST; grant OSR-2019-CRG8-4032). Additional support was provided by the Robert A. Welch Foundation (F-0018 and F-2007 to J. L. S. and Z. A. P., respectively). The authors in Austin are non-funded affiliates of the Center for the Sustainable Separation of Metals (CSSM) supported by the National Science Foundation (grant no. CHE1925708). They express gratitude to members of the CSSM for helpful discussions. The authors thank Dr Scott Smith and Dr Garrett Blake for assistance with the solution phase and solid state NMR spectroscopic studies, respectively.
ASJC Scopus subject areas
- Renewable Energy, Sustainability and the Environment
- Materials Science(all)