In-depth structural characterization of the influence of Li+ excess on spherical, Co-free layered LiMn0.5Ni0.5O2 cathode material using correlative Raman

In-depth structural characterization of the influence of Li⁺ excess on spherical, Co-free layered LiMn_0.5Ni_0.5O₂ cathode material using correlative Raman–SEM microscopy

Published:2023 Issue:10 Volume:11 Page:5135-5147
ISSN:2050-7488
Container-title:Journal of Materials Chemistry A
language:en
Short-container-title:J. Mater. Chem. A

Author:

Klein Florian¹^ORCID,Pfeifer Claudia¹,Scheitenberger Philipp²,Pfeiffer Lukas¹^ORCID,Zimmer Dominik³,Wohlfahrt-Mehrens Margret¹,Lindén Mika²^ORCID,Axmann Peter¹^ORCID

Affiliation:

1. Zentrum für Sonnenenergie- und Wasserstoffforschung Baden-Württemberg (ZSW), Helmholtzstrasse 8, Ulm D-89081, Germany

2. Institute for Inorganic Chemistry II, Ulm University, Albert-Einstein-Allee 11, Ulm D-89081, Germany

3. Oxford Instruments GmbH, Borsigstr. 15A, Wiesbaden 65205, Germany

Abstract

Structural evidence of a Li+ induced phase segregation on particle level in Co-free layered Li–Mn–Ni-oxide cathode materials for Li-ion batteries is presented, illustrating the importance of correlative SEM–Raman microscopy in battery research.

Funder

Bundesministerium für Bildung und Forschung

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,General Chemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2023/TA/D2TA05957F

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