Bulk and interfacial transport properties of porous fuel cell materials
多孔燃料电池材料的体积和界面传输特性
基本信息
- 批准号:453170-2013
- 负责人:
- 金额:$ 6.34万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Collaborative Research and Development Grants
- 财政年份:2014
- 资助国家:加拿大
- 起止时间:2014-01-01 至 2015-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The objectives of the proposed research are to provide fuel cell developers, Mercedes Benz and Ford through Automotive Fuel Cell Cooperation (AFCC), with predictive models and quantification of the effective parameters that determine transfer of heat, mass, and charge in a polymer electrolyte membrane fuel cell (PEMFC). The core components include the membrane, catalyst layer, and porous electrode (gas diffusion layer). When combined to form a membrane-electrode assembly (MEA), these components determine the performance, durability, and cost of integrated fuel cell products. The performance and durability of PEMFCs depend heavily on the regulation and effectiveness of the transport processes, which in turn are determined by structural, geometric, and surface properties of each layer in an MEA. The morphological complexity of the porous, micro/nano-structured materials in the MEA layers, coupled with the effects of fuel cell operating conditions (temperature, clamping pressure, and relative humidity), make determination of in-situ transport properties a tremendous challenge, which, for the most part, remains unresolved. Elucidating the relationships between microstructural and operating conditions in the MEA can reduce the cost of current fuel cell designs.
拟议的研究的目标是提供燃料电池开发商,奔驰和福特通过汽车燃料电池合作(AFCC),预测模型和量化的有效参数,确定在聚合物电解质膜燃料电池(PEMFC)的热,质和电荷的转移。核心组件包括膜、催化剂层和多孔电极(气体扩散层)。当组合形成膜电极组件(MEA)时,这些组件决定了集成燃料电池产品的性能,耐用性和成本。PEMFC的性能和耐久性在很大程度上取决于运输过程的调节和有效性,而运输过程的调节和有效性又取决于MEA中各层的结构、几何形状和表面性质。MEA层中的多孔、微/纳米结构材料的形态复杂性,加上燃料电池操作条件(温度、夹持压力和相对湿度)的影响,使得原位传输特性的确定成为巨大的挑战,这在很大程度上仍然没有得到解决。阐明MEA中的微观结构和操作条件之间的关系可以降低当前燃料电池设计的成本。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
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专利数量(0)
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Bahrami, Majid其他文献
Combined evaporator and condenser for sorption cooling systems: A steady-state performance analysis
- DOI:
10.1016/j.energy.2020.118504 - 发表时间:
2020-10-15 - 期刊:
- 影响因子:9
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Abadi, G. Bamorovat;Bahrami, Majid - 通讯作者:
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Development of novel plate heat exchanger using natural graphite sheet
- DOI:
10.1016/j.ijheatmasstransfer.2018.11.129 - 发表时间:
2019-03-01 - 期刊:
- 影响因子:5.2
- 作者:
Jamzad, Pouya;Kenna, John;Bahrami, Majid - 通讯作者:
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Thermal conductivity of microporous layers: Analytical modeling and experimental validation
- DOI:
10.1016/j.jpowsour.2015.07.054 - 发表时间:
2015-11-20 - 期刊:
- 影响因子:9.2
- 作者:
Andisheh-Tadbir, Mehdi;Kjeang, Erik;Bahrami, Majid - 通讯作者:
Bahrami, Majid
A new model for thermal contact resistance between fuel cell gas diffusion layers and bipolar plates
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10.1016/j.jpowsour.2014.04.149 - 发表时间:
2014-11-15 - 期刊:
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Performance of finned tubes used in low-pressure capillary-assisted evaporator of adsorption cooling system
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10.1016/j.applthermaleng.2016.06.038 - 发表时间:
2016-08-05 - 期刊:
- 影响因子:6.4
- 作者:
Thimmaiah, Poovanna Cheppudira;Sharafian, Amir;Bahrami, Majid - 通讯作者:
Bahrami, Majid
Bahrami, Majid的其他文献
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