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Identification of the dual roles of Al 2 O 3 coatings on NMC811-cathodes via theory and experiment

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Peer-reviewed

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https://www.repository.cam.ac.uk/handle/1810/379008

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Supporting information (12.59 MB)
Primary Published version (2.38 MB)
 Bibliographic metadata (328.91 KB)

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Article

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Authors

Chen, Richard LB  ORCID logo  https://orcid.org/0000-0003-1315-0940
Sayed, Farheen N  ORCID logo  https://orcid.org/0000-0002-5700-5959
Banerjee, Hrishit  ORCID logo  https://orcid.org/0000-0001-7852-497X
Temprano, Israel  ORCID logo  https://orcid.org/0000-0001-5610-8908

Abstract

Aluminium oxide coatings on Ni-rich layered oxide materials have the dual functions of scavenging protic and acidic species from the electrolyte, and in stabilising surface oxygen against chemical oxidation of electrolyte species at high potentials.

Description

Acknowledgements: This work was supported by the Faraday Institution degradation project (FIRG024, FIRG060). Samples were coated by Forge Nano with their proprietary atomic layer deposition process. R. L. B. C. gratefully acknowledges funding from the Cambridge Trust and the Cambridge Australia Scholarships. F. N. S. acknowledges funding from the Faraday Institution CATMAT project (FIRG016). H. B. acknowledges generous computing support provided by the CSD3 cluster of the University of Cambridge, Sulis HPC, Archer2 (access through Materials Chemistry Consortium), Michael cluster of UCL (Access through Faraday Institution Degradation project), and Brookhaven National Lab HPC Cluster (access through Centre for functional Nanomaterials). I. T. acknowledges support from a Beatriz Galindo senior fellowship (BG22/00148) from the Spanish Ministry of Science and Innovation. We thank Dr Pardeep K. Thakur and Dr Tien-Lin Lee for assistance with XAS experiments at the I-09 beamline of the Diamond Light Source, UK under proposal SI30759-1. F. N. S. is thankful to Prof. Robert S. Weatherup (University of Oxford) for discussion on XAS data. R. L. B. C. also acknowledges the help from Dr David Hall in initiating the collaboration with Forge Nano. The UK High-Field Solid-State NMR Facility is acknowledged for access to magnet time. Generous computing resources were provided by the Sulis HPC service (EP/T022108/1), and networking support by CCP-NC (EP/T026642/1), CCP9 (EP/T026375/1), and UKCP (EP/P022561/1).


Publication status: Published

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Journal Title

Energy & Environmental Science

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Journal ISSN

1754-5692
1754-5706

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Publisher

Royal Society of Chemistry (RSC)

Publisher DOI

https://doi.org/10.1039/d4ee03444a

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Except where otherwised noted, this item's license is described as https://creativecommons.org/licenses/by/3.0/
Sponsorship
Faraday Institution (FIRG024, FIRG060, FIRG016)

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Is derived from:
https://doi.org/10.26434/chemrxiv-2024-xnw4h

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