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Water-based vs. organic solvent-based processing of NVP/C cathodes for sodium-ion batteries toward higher processing rates.

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Title: Water-based vs. organic solvent-based processing of NVP/C cathodes for sodium-ion batteries toward higher processing rates.
Authors: Burger, David1 (AUTHOR) david.burger@kit.edu, Sun, Hanqing1 (AUTHOR), Wu, Xuebin2 (AUTHOR), Keim, Noah2 (AUTHOR), Müller, Marcus2 (AUTHOR), Bauer, Werner2 (AUTHOR), Ehrenberg, Helmut2 (AUTHOR), Scharfer, Philip1 (AUTHOR), Schabel, Wilhelm1 (AUTHOR)
Source: Journal of Coatings Technology & Research. May2026, Vol. 23 Issue 3, p1159-1169. 11p.
Subjects: Sodium ion batteries, Organic solvents, Polar solvents, Coating processes
Abstract: Sodium-ion batteries are treated as a drop-in technology to complement lithium-ion batteries in applications such as entry-level cars and stationary storage. This study compares water-based processing of the sodium-ion battery active material sodium vanadium phosphate (NVP/C) with processing using slurries based on the organic solvent NMP. By utilizing CMC/SBR as a binder, the adhesion strength, flexibility, electrical resistance, and rate capability were improved. These superior properties could be maintained at increasing the drying rate by a factor of 8. However, electrodes processed with the water-based binder system also suffered from binder migration at higher drying rates. To enable high-throughput processing, a strategy involving simultaneous multilayer coating of a primer and electrode slurry was explored. This approach helped mitigate the negative effects of binder migration. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Coatings Technology & Research is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 194808526
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PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
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  Data: Water-based vs. organic solvent-based processing of NVP/C cathodes for sodium-ion batteries toward higher processing rates.
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  Data: <searchLink fieldCode="AR" term="%22Burger%2C+David%22">Burger, David</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> david.burger@kit.edu</i><br /><searchLink fieldCode="AR" term="%22Sun%2C+Hanqing%22">Sun, Hanqing</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wu%2C+Xuebin%22">Wu, Xuebin</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Keim%2C+Noah%22">Keim, Noah</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Müller%2C+Marcus%22">Müller, Marcus</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bauer%2C+Werner%22">Bauer, Werner</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ehrenberg%2C+Helmut%22">Ehrenberg, Helmut</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Scharfer%2C+Philip%22">Scharfer, Philip</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Schabel%2C+Wilhelm%22">Schabel, Wilhelm</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Coatings+Technology+%26+Research%22">Journal of Coatings Technology & Research</searchLink>. May2026, Vol. 23 Issue 3, p1159-1169. 11p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Sodium+ion+batteries%22">Sodium ion batteries</searchLink><br /><searchLink fieldCode="DE" term="%22Organic+solvents%22">Organic solvents</searchLink><br /><searchLink fieldCode="DE" term="%22Polar+solvents%22">Polar solvents</searchLink><br /><searchLink fieldCode="DE" term="%22Coating+processes%22">Coating processes</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Sodium-ion batteries are treated as a drop-in technology to complement lithium-ion batteries in applications such as entry-level cars and stationary storage. This study compares water-based processing of the sodium-ion battery active material sodium vanadium phosphate (NVP/C) with processing using slurries based on the organic solvent NMP. By utilizing CMC/SBR as a binder, the adhesion strength, flexibility, electrical resistance, and rate capability were improved. These superior properties could be maintained at increasing the drying rate by a factor of 8. However, electrodes processed with the water-based binder system also suffered from binder migration at higher drying rates. To enable high-throughput processing, a strategy involving simultaneous multilayer coating of a primer and electrode slurry was explored. This approach helped mitigate the negative effects of binder migration. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Coatings Technology & Research is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s11998-025-01231-3
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      – Code: eng
        Text: English
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        PageCount: 11
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        Type: general
      – SubjectFull: Organic solvents
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      – SubjectFull: Polar solvents
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      – SubjectFull: Coating processes
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              Text: May2026
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