Facile one-step fabrication of Li4Ti5O12 coatings by suspension plasma sprayingShow others and affiliations
2025 (English)In: Materials research bulletin, ISSN 0025-5408, E-ISSN 1873-4227, Vol. 181, p. 1-, article id 113111Article in journal (Refereed) Published
Abstract [en]
Spinel Li4Ti5O12 (LTO) is a promising anode material for solid state thin film batteries (SSTB) due to its almost-zero volume change and promising Li-ion mobility. However, preparing LTO anodes for SSTB demands tedious vacuum-based processing steps that are not cost effective. In this context, the present study embarks on evaluating the versatile suspension plasma spraying (SPS) approach to fabricate LTO coatings without using any binder. The microstructure and stoichiometry of the fabricated LTO coatings developed through the SPS route reveals retention of ∼76 wt.% of the spinel LTO from the starting feedstock, with minor amounts of rutile and anatase TiO2. The SPS experiments yielded varying thickness build up rates of the LTO coatings depending on the processing parameters adopted. The electrochemical data of the produced LTO based electrode tested in a half-cell through galvanostatic cycling show reversible lithiation and delithiation at expected potential, thereby validating the promise of the SPS technique for potential fabrication of SSTB components once fully optimized.
Place, publisher, year, edition, pages
Elsevier, 2025. Vol. 181, p. 1-, article id 113111
Keywords [en]
LTO, Fabrication, Plasma spraying, Suspension, One-step
National Category
Materials Chemistry Manufacturing, Surface and Joining Technology
Research subject
Production Technology
Identifiers
URN: urn:nbn:se:hv:diva-22723DOI: 10.1016/j.materresbull.2024.113111ISI: 001329176200001Scopus ID: 2-s2.0-85205150546OAI: oai:DiVA.org:hv-22723DiVA, id: diva2:1919011
Funder
Swedish Energy Agency, P46393\u20131
Note
CC-BY 4.0
2024-12-062024-12-062025-09-30