The Role of Binders for Water-Based Anode Dispersions in Inkjet Printing
Binders play a pivotal role in the production and the operation of lithium-ion batteries. They influence a number of key dispersion characteristics and battery parameters. In the light of growing interest in additive manufacturing technologies, binders were found to decisively govern the processabil...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-11-01
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| Series: | Batteries |
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| Online Access: | https://www.mdpi.com/2313-0105/9/11/557 |
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| author | Cara Greta Kolb Alessandro Sommer Maja Lehmann Carys-May Teixeira Hannes Panzer Saeed Maleksaeedi Michael Friedrich Zaeh |
| author_facet | Cara Greta Kolb Alessandro Sommer Maja Lehmann Carys-May Teixeira Hannes Panzer Saeed Maleksaeedi Michael Friedrich Zaeh |
| author_sort | Cara Greta Kolb |
| collection | DOAJ |
| description | Binders play a pivotal role in the production and the operation of lithium-ion batteries. They influence a number of key dispersion characteristics and battery parameters. In the light of growing interest in additive manufacturing technologies, binders were found to decisively govern the processability due to the induced complex non-Newtonian behavior. This paper examines the relevance of various binder derivatives for aqueous graphite dispersions that can be employed in inkjet printing. Two different carboxymethyl cellulose (CMC) derivatives with strongly deviating molecular weights were employed. The impact of the inherent polymer characteristics on the processability and the electrode characteristics were explored. Therefore, miscellaneous studies were carried out at the dispersion, the electrode, and the cell levels. The results revealed that the CMC with the lower molecular weight affected most of the studied characteristics more favorably than the counterpart with a higher molecular weight. In particular, the processability, encompassing drop formation and drop deposition, the cohesion behavior, and the electrochemical characteristics, were positively impacted by the low-molecular-weight CMC. The adhesion behavior was enhanced using the high-molecular-weight CMC. This demonstrates that the selection of a suitable binder derivative merits close attention. |
| first_indexed | 2024-03-09T17:01:48Z |
| format | Article |
| id | doaj.art-a624f60997c4472db712f6d0e741fa80 |
| institution | Directory Open Access Journal |
| issn | 2313-0105 |
| language | English |
| last_indexed | 2024-03-09T17:01:48Z |
| publishDate | 2023-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Batteries |
| spelling | doaj.art-a624f60997c4472db712f6d0e741fa802023-11-24T14:29:12ZengMDPI AGBatteries2313-01052023-11-0191155710.3390/batteries9110557The Role of Binders for Water-Based Anode Dispersions in Inkjet PrintingCara Greta Kolb0Alessandro Sommer1Maja Lehmann2Carys-May Teixeira3Hannes Panzer4Saeed Maleksaeedi5Michael Friedrich Zaeh6Department of Mechanical Engineering, TUM School of Engineering and Design, Institute for Machine Tools and Industrial Management, Technical University of Munich, Boltzmannstrasse 15, 85748 Garching, GermanyDepartment of Mechanical Engineering, TUM School of Engineering and Design, Institute for Machine Tools and Industrial Management, Technical University of Munich, Boltzmannstrasse 15, 85748 Garching, GermanyDepartment of Mechanical Engineering, TUM School of Engineering and Design, Institute for Machine Tools and Industrial Management, Technical University of Munich, Boltzmannstrasse 15, 85748 Garching, GermanyDepartment of Mechanical Engineering, TUM School of Engineering and Design, Institute for Machine Tools and Industrial Management, Technical University of Munich, Boltzmannstrasse 15, 85748 Garching, GermanyDepartment of Mechanical Engineering, TUM School of Engineering and Design, Institute for Machine Tools and Industrial Management, Technical University of Munich, Boltzmannstrasse 15, 85748 Garching, GermanyMechanical and Mechatronics Engineering, Multi-Scale Additive Manufacturing Lab, University of Waterloo, 295 Phillip St., Waterloo, ON N2L 3W8, CanadaDepartment of Mechanical Engineering, TUM School of Engineering and Design, Institute for Machine Tools and Industrial Management, Technical University of Munich, Boltzmannstrasse 15, 85748 Garching, GermanyBinders play a pivotal role in the production and the operation of lithium-ion batteries. They influence a number of key dispersion characteristics and battery parameters. In the light of growing interest in additive manufacturing technologies, binders were found to decisively govern the processability due to the induced complex non-Newtonian behavior. This paper examines the relevance of various binder derivatives for aqueous graphite dispersions that can be employed in inkjet printing. Two different carboxymethyl cellulose (CMC) derivatives with strongly deviating molecular weights were employed. The impact of the inherent polymer characteristics on the processability and the electrode characteristics were explored. Therefore, miscellaneous studies were carried out at the dispersion, the electrode, and the cell levels. The results revealed that the CMC with the lower molecular weight affected most of the studied characteristics more favorably than the counterpart with a higher molecular weight. In particular, the processability, encompassing drop formation and drop deposition, the cohesion behavior, and the electrochemical characteristics, were positively impacted by the low-molecular-weight CMC. The adhesion behavior was enhanced using the high-molecular-weight CMC. This demonstrates that the selection of a suitable binder derivative merits close attention.https://www.mdpi.com/2313-0105/9/11/557lithium-ion batteriesinkjet printingelectrode processingwater-based dispersionsbinders |
| spellingShingle | Cara Greta Kolb Alessandro Sommer Maja Lehmann Carys-May Teixeira Hannes Panzer Saeed Maleksaeedi Michael Friedrich Zaeh The Role of Binders for Water-Based Anode Dispersions in Inkjet Printing Batteries lithium-ion batteries inkjet printing electrode processing water-based dispersions binders |
| title | The Role of Binders for Water-Based Anode Dispersions in Inkjet Printing |
| title_full | The Role of Binders for Water-Based Anode Dispersions in Inkjet Printing |
| title_fullStr | The Role of Binders for Water-Based Anode Dispersions in Inkjet Printing |
| title_full_unstemmed | The Role of Binders for Water-Based Anode Dispersions in Inkjet Printing |
| title_short | The Role of Binders for Water-Based Anode Dispersions in Inkjet Printing |
| title_sort | role of binders for water based anode dispersions in inkjet printing |
| topic | lithium-ion batteries inkjet printing electrode processing water-based dispersions binders |
| url | https://www.mdpi.com/2313-0105/9/11/557 |
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