Aerosol Jet Printing as a Versatile Sample Preparation Method for Operando Electrochemical TEM Microdevices
Publication Date
2022Journal Title
Advanced Materials Interfaces
ISSN
2196-7350
Publisher
Wiley
Language
en
Type
Article
This Version
AO
VoR
Metadata
Show full item recordCitation
Morzy, J., Sartor, A., Dose, W., Ou, C., Kar-Narayan, S., De Volder, M., & Ducati, C. (2022). Aerosol Jet Printing as a Versatile Sample Preparation Method for Operando Electrochemical TEM Microdevices. Advanced Materials Interfaces https://doi.org/10.1002/admi.202200530
Description
Funder: Royce Cluster Tool
Abstract
Abstract: Operando electrochemical transmission electron microscopy (ec‐TEM) is a promising tool for advanced characterization of energy systems close to their operating conditions. However, reliable sample preparation for the technique is particularly challenging due to spatial constraints. Here, a novel approach of manufacturing such samples is introduced and demonstrated for industrially relevant battery powders: NMC811 and LTO (LiNi0.8Mn0.1Co0.1O2 and Li4Ti5O12). Aerosol‐jet printing is used to deposit microscale patterns of battery active material particles on the electrodes of commercial ec‐TEM chips. This method provides high spatial resolution (line width < 30 µm) and accuracy, ease of ink preparation, flexibility of materials, and ability to manufacture complex structures (layered or mixed materials). Size selectivity of aerosol jet printing and its positive implications for ec‐TEM sample preparation are also discussed. This procedure is a promising solution to the difficult problem of micro‐battery fabrication for ec‐TEM and for other applications where high spatial resolution deposition from powders is required.
Keywords
aerosol jet printing, batteries, electrochemistry, microdevices, microdevice fabrication, operando TEM
Sponsorship
Engineering and Physical Sciences Research Council (EP/L015978/1)
Engineering and Physical Sciences Research Council (EP/P024947/1)
European Commission Horizon 2020 (H2020) Research Infrastructures (RI) (823717)
Identifiers
admi202200530
External DOI: https://doi.org/10.1002/admi.202200530
This record's URL: https://www.repository.cam.ac.uk/handle/1810/338222
Rights
Licence:
http://creativecommons.org/licenses/by/4.0/
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