质子传导膜上碳离子膜层的电泳沉积。

IF 2.3 3区 化学 Q3 CHEMISTRY, PHYSICAL
Michael Bredol, Ivan Radev, Giulia Primavera, Thomas Lange, Adib Caidi, Volker Peinecke
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引用次数: 0

摘要

合成碳和天然碳被广泛用作电化学应用中的电极载体。它们需要具有可控的形态,以促进质量和电荷传输,因此成膜过程至关重要。在此,我们展示了如何通过电泳沉积法将碳(经过适当的预处理)与离子聚合物共沉积在一起,这种方法可以在沉积过程中完全控制沉积条件。考虑到潜在的应用,我们将重点放在质子传导膜上的直接沉积上。所应用的离子聚合物和膜都是基于具有 SO3H 端接侧链的全氟聚乙烯(PFSA)。报告从碳颗粒上的最佳电荷、沉积池中的场强和给定薄膜厚度所需的沉积时间等方面介绍了可重复沉积的条件。此外,还建议采用水平沉积池布置,以避免重力效应。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Electrophoretic deposition of carbon-ionomer layers on proton conducting membranes.

Synthetic and natural carbons are widely used as carrier for electrodes in electrochemical applications. They need to have a controlled morphology in order to facilitate mass and charge transport, so the process of film formation is of uttermost importance. Here we show, how carbons (after proper preconditioning) can be codeposited with an ionomer by electrophoretic deposition, a method that does allow full control of deposition conditions during the process. In view of potential applications, we focus on the direct deposition on proton-conducting membranes. Ionomers and membranes applied are based on established per-fluorinated polyethylene with SO3H-terminated side chains (PFSA). Conditions for reproducible deposition are reported in terms of optimal charge on the carbon particles, field strength in the deposition cell and necessary deposition times for a given film thickness. Additionally, a horizontal cell arrangement is suggested to avoid gravitational effects.

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来源期刊
Chemphyschem
Chemphyschem 化学-物理:原子、分子和化学物理
CiteScore
4.60
自引率
3.40%
发文量
425
审稿时长
1.1 months
期刊介绍: ChemPhysChem is one of the leading chemistry/physics interdisciplinary journals (ISI Impact Factor 2018: 3.077) for physical chemistry and chemical physics. It is published on behalf of Chemistry Europe, an association of 16 European chemical societies. ChemPhysChem is an international source for important primary and critical secondary information across the whole field of physical chemistry and chemical physics. It integrates this wide and flourishing field ranging from Solid State and Soft-Matter Research, Electro- and Photochemistry, Femtochemistry and Nanotechnology, Complex Systems, Single-Molecule Research, Clusters and Colloids, Catalysis and Surface Science, Biophysics and Physical Biochemistry, Atmospheric and Environmental Chemistry, and many more topics. ChemPhysChem is peer-reviewed.
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