Green Path to Power: Spray-Printed LNMO Cathodes Using Cyrene for Sustainable Lithium-Ion Battery Production
Sliz, Rafal; Hannila, Esa; Välikangas, Juho; Illikainen, Sofia; Nguyen, Hai Harry; Roy, Ivy Saha.; Lassi, Ulla; Fabritius, Tapio (2023-12-12)
IEEE
12.12.2023
R. Sliz et al., "Green Path to Power: Spray-Printed LNMO Cathodes Using Cyrene for Sustainable Lithium-Ion Battery Production," 2023 IEEE Nanotechnology Materials and Devices Conference (NMDC), Paestum, Italy, 2023, pp. 221-224, doi: 10.1109/NMDC57951.2023.10343632.
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© 2023 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
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Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi:oulu-202401081105
https://urn.fi/URN:NBN:fi:oulu-202401081105
Tiivistelmä
Abstract
This investigation delves into the innovative application of spray-printing methods for fabricating lithium nickel manganese oxide cathodes (LiNi0.5Mn1.5O4), a vital component in lithium-ion batteries. The spotlight of this research focuses on the introduction and application of Cyrene, a sustainable bio-based solvent. Cyrene is recognized as an environmentally-friendly substitute for conventional hazardous solvents, specifically N-Methyl-2-pyrrolidone. These harmful solvents are typically utilized in the formulation of cathode slurries and have been a cause for concern due to their negative impact on the environment and human health. In this research, the PVDF binder was replaced with a homopolymer that offers the same processing properties but dissolves in a wider range of solvents, including Cyrene. The spray-printed LiNi0.5Mn1.5O4 cathodes, utilizing this green approach, demonstrated excellent adhesion and surface morphology, thereby underlining the potential of such eco-friendly methods in battery manufacturing.
This investigation delves into the innovative application of spray-printing methods for fabricating lithium nickel manganese oxide cathodes (LiNi0.5Mn1.5O4), a vital component in lithium-ion batteries. The spotlight of this research focuses on the introduction and application of Cyrene, a sustainable bio-based solvent. Cyrene is recognized as an environmentally-friendly substitute for conventional hazardous solvents, specifically N-Methyl-2-pyrrolidone. These harmful solvents are typically utilized in the formulation of cathode slurries and have been a cause for concern due to their negative impact on the environment and human health. In this research, the PVDF binder was replaced with a homopolymer that offers the same processing properties but dissolves in a wider range of solvents, including Cyrene. The spray-printed LiNi0.5Mn1.5O4 cathodes, utilizing this green approach, demonstrated excellent adhesion and surface morphology, thereby underlining the potential of such eco-friendly methods in battery manufacturing.
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