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Tannic-Acid-Coated Polypropylene Membrane as a Separator for Lithium-Ion Batteries

Pan, Lei, Wang, Haibin, Wu, Chaolumen, Liao, Chenbo, Li, Lei·2015·ACS Applied Materials & Interfaces

Abstract

To solve the wetting capability issue of commercial polypropylene (PP) separators in lithium-ion batteries (LIBs), we developed a simple dipping surface-coating process based on tannic acid (TA), a natural plant polyphenol. Fourier transform infrared and X-ray photoelectron measurements indicate that the TA is coated successfully on the PP separators. Scanning electron microscopy images show that the TA coating does not destroy the microporous structure of the separators. After being coated with TA, the PP separators become more hydrophilic, which not only enhances the liquid electrolyte retention ability but also increases the ionic conductivity. The battery performance, especially for power capability, is improved after being coated with TA. It indicates that this TA-coating method provides a promising process by which to develop an advanced polymer membrane separator for lithium-ion batteries.

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Metadata

Authors
Pan, L., Wang, H., Wu, C., Liao, C., & Li, L.
Venue
ACS Applied Materials & Interfaces
Published
2015-07-21
Volume
7
Issue
29
Pages
16003-16010
ISSN
  • 1944-8244 (ISSN-L)
  • 1944-8252
OpenAlex
W2399035214
Cited by
179
References
0
FWCI
7.86
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Tannic-Acid-Coated Polypropylene Membrane as a Separator for Lithium-Ion Batteries. https://app.cochat.ai/papers/10.1021/acsami.5b04245
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Pan, L., Wang, H., Wu, C., Liao, C., & Li, L. (2015). Tannic-Acid-Coated Polypropylene Membrane as a Separator for Lithium-Ion Batteries. ACS Applied Materials & Interfaces. https://doi.org/10.1021/acsami.5b04245

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