<i>In Situ</i> X-ray Diffraction during Ball Milling Reveals Poorly Crystalline Metastable Intermediates during the Formation of Disordered Rocksalt Oxyfluorides
O are expelled from the intermediate during milling breaks, NMR relaxometry suggests that both of these phases contain small quantities of Mn impurities. These data point to an unreported intermediate accessible only in the ball mill critical for rocksalt formation. This study highlights both the unique chemistry of mechanochemical reactions as well as parallels with high temperature synthesis routes, which may ultimately direct synthetic approaches that enable a wider range of fluorination for disordered rocksalt cathodes.
Authors
- Lauren E. Marbella (ORCID: https://orcid.org/0000-0003-1639-3913)
- Marcella Lusardi (ORCID: https://orcid.org/0000-0002-7002-4257)
- Asya Svirinovsky-Arbeli (ORCID: https://orcid.org/0009-0001-6104-0984)
- Martin A. Karlsen (ORCID: https://orcid.org/0000-0003-1262-8965)
- Martin Etter (ORCID: https://orcid.org/0000-0002-5183-3585)
- Mikkel Juelsholt (ORCID: https://orcid.org/0000-0001-6401-8267)
- Susie Park
- Claudia Weidenthaler (ORCID: https://orcid.org/0000-0003-3006-1333)
- Sebastian Leiting (ORCID: https://orcid.org/0000-0001-8617-018X)
- Lakshmi Bhai (ORCID: https://orcid.org/0009-0001-0581-5247)
- Laura G. Graversen (ORCID: https://orcid.org/0000-0002-5964-7744)
- Tara DuBridge
Institutions
- University of Copenhagen (DK)
- Max Planck Society (DE)
- Princeton University (US)
- Deutsches Elektronen-Synchrotron DESY (DE)
- Max-Planck-Institut für Kohlenforschung (DE)
- Columbia University (US)
Publication Details
- Journal
- Journal of the American Chemical Society
- Published
- 2026-04-15
- DOI
- https://doi.org/10.1021/jacs.6c01486
- Primary Topic
- Advancements in Battery Materials
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- Research Corporation for Science Advancement
- Columbia University
- Carlsbergfondet
- Division of Chemical, Bioengineering, Environmental, and Transport Systems