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燃料电池催化剂涂层膜的快速分层使用高强度超声波
Tanongsak Yingnakorn1, Ross Gordon2, Daniel Marin Florido2
1School of Chemistry, University of Leicester, Leicester LE1 7RH, United Kingdom; School of Metallurgical Engineering, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand.
Ultrasonics sonochemistry
|March 30, 2025
概括
超声波迅速将膜和催化剂从废旧燃料电池催化剂涂层膜 (CCM) 中分离出来. 这种高效的方法有助于关键金属的回收利用,并支持燃料电池组件的循环经济.
科学领域:
- 材料科学 材料科学 材料科学
- 化学工程是化学工程的重要组成部分.
- 可持续技术 可持续技术
背景情况:
- 燃料电池催化剂涂层膜 (CCM) 含有可再生能源技术所必需的关键金属.
- 生产废弃物CCM是金属回收和回收利用的宝贵资源.
- 膜和催化剂层的有效分离对于有效的CCM回收至关重要.
研究的目的:
- 开发一种快速而简单的方法,将催化剂涂层材料与燃料电池膜分离.
- 研究使用高强度超声波用于CCM分层的方法.
- 促进燃料电池中使用的技术关键金属的循环经济.
主要方法:
- 使用了两种声极配置 (圆柱形和叶片) 的高强度超声波.
- 这个过程利用了环境温度在水中的声波化.
- 优化参数的确定使用圆柱形声极管用于小样本,和叶片声极管用于工业规模的连续流量.
主要成果:
- 超声波在几秒钟内有效地从膜中剥离了催化剂层.
- 该过程保持了分离膜的完整性.
- 圆柱形和叶片式声极管都证明了高效的分离,叶片配置允许连续流动.
结论:
- 超声波为回收燃料电池催化剂涂层膜提供了一种快速,高效和可扩展的方法.
- 这种技术促进了关键金属的回收,促进了循环经济.
- 开发的分层方法是可持续燃料电池组件管理的有希望的策略.
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