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Manufacturing methods for metallic bipolar plates for polymer electrolyte membrane fuel cell

机译：用于聚合物电解质膜燃料电池金属双极板的制造方法

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摘要

The bipolar plate (BP) is one of the main drivers of the polymer electrolyte membrane fuel cell (PEMFC) stack cost, and must also perform some critical functions simultaneously within the stack to ensure the required level of overall performance and durability. Therefore, the choice of material and production method for BPs that will meet the requirements for commercial BPs is crucial in PEMFC development. Compared to other material options such as graphite and composites, metals are more promising for the production of durable, thin, light, and low-cost BPs. However, there is still a need to reduce their processing cost through the development of cost-effective and mass production-friendly forming techniques that will not jeopardize the performance and durability of the formed plates. This paper discusses the various currently available fabrication methods for metallic BPs, with attention to their potentials for mass production and capabilities to produce plates that meet the performance and cost targets of commercial PEMFC BPs. In prospects of development drivers going forward, the potentials of hydroforming to outperform stamping for mass production of low-cost metallic plates are discussed. Current limitations facing high-quality metallic BP production and research trends are also highlighted.
机译：双极板（BP）是聚合物电解质膜燃料电池（PEMFC）堆叠成本的主要驱动器之一，并且还必须在堆栈内同时进行一些关键功能，以确保所需的整体性能和耐用性。因此，可以选择符合商业BPS要求的BPS材料和生产方法在PEMFC开发中至关重要。与其他材料选项（如石墨和复合材料）相比，金属对生产耐用，薄，光和低成本BPS更有希望。然而，仍然需要通过开发成本效益和大规模生产友好的成型技术来降低其处理成本，这些技术不会危及所形成板的性能和耐用性。本文讨论了金属BPS的各种现有的制造方法，并注意其批量生产和能力的潜力，生产符合商业PEMFC BPS的性能和成本目标的板材。在发展司机的前景展望前进，讨论了液压成形以优于低成本金属板的批量生产的潜力。目前面临高质量的金属BP生产和研究趋势的目前的限制也突出显示。

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