有机溶液浸泡和水超声诱导燃料电池和水电解槽脱层的催化剂涂层膜

Tanongsak Yingnakorn, Jennifer Hartley, Molly E. Keal, Ross Gordon, Daniel Marin Florido, Andrew P. Abbott and Jake M. Yang
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引用次数: 0

摘要

本研究提出了一种新的室温、两步法分离用于燃料电池和水电解槽的催化剂涂层膜(CCMs)的方法。该方法不仅实现了中心膜与催化剂材料的清洁分离,而且还保留了催化剂,从而避免了任何潜在的有害气体释放。该过程包括在优化的溶液中短暂浸泡一分钟,然后在水中进行10-12分钟的低功率超声波处理。对各种有机(丙酮、乙醇、乙二醇、己烷和甲苯)和水溶液(CaCl2、HCl、NaOH、NH4Cl)浸泡溶液的有效性进行了深入研究,以确定获得近乎原始的分离膜的最佳条件。这种安全高效的方法为CCM的回收利用提供了一种有前途的策略,促进了清洁能源技术的资源回收和经济效益。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Catalyst coated membranes for fuel cell and water electrolyser delamination induced by organic solution soaking and water ultrasonication†

Catalyst coated membranes for fuel cell and water electrolyser delamination induced by organic solution soaking and water ultrasonication†

This study presents a novel room-temperature, two-step process for separating catalyst-coated membranes (CCMs) used in fuel cells and water electrolysers. The method not only achieves a clean separation of the central membrane from the catalyst materials but also preserves the catalyst, thereby avoiding any potential hazardous gas release. The process involves a brief one-minute soak in an optimised solution, followed by a 10–12 minutes low-power ultrasonic treatment in water. The effectiveness of various organic (acetone, ethanol, ethylene glycol, hexane, and toluene) and aqueous (CaCl2, HCl, NaOH, NH4Cl) soaking solutions was thoroughly investigated to identify the optimal conditions for achieving near-pristine, separated membranes. This safe and efficient approach offers a promising strategy for CCM recycling, promoting resource recovery and economic benefits in clean energy technologies.

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