A high-temperature anion-exchange membrane fuel cell

IF 5.4 Q2 CHEMISTRY, PHYSICAL Journal of Power Sources Advances Pub Date : 2020-10-01 DOI:10.1016/j.powera.2020.100023
John C. Douglin , John R. Varcoe , Dario R. Dekel
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引用次数: 65

Abstract

In the past few years, developments in anion exchange membranes (AEMs) have led to a significant increase in hydroxide conductivities, ultimately yielding striking improvements in the performance of anion exchange membrane fuel cells (AEMFCs) at low operating temperatures, usually at 40–80 °C. Aside from these remarkable achievements, the literature is void of any work on AEMFCs operated at temperatures above 100 °C, despite the consensus from various models remarking that working at higher cell temperatures may lead to many significant advantages. In this work, we present the first high-temperature AEMFC (HT-AEMFC) tested at 110 °C. The HT-AEMFC exhibits high performance, with a peak power density of 2.1 W cm−2 and a current density of as high as 574 mA cm−2 measured at 0.8 V. This initial work represents a significant landmark for the research and development of the fuel cell technology, opening a wide door for a new field of research we call hereafter, HT-AEMFCs.

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高温阴离子交换膜燃料电池
在过去的几年里,阴离子交换膜(AEMs)的发展导致了氢氧化物电导率的显著增加,最终使阴离子交换膜燃料电池(aemfc)在低温(通常为40-80 °C)下的性能得到了显著改善。除了这些显著的成就之外,尽管各种模型一致认为在更高的电池温度下工作可能会带来许多显着的优势,但文献中没有任何关于在100 °C以上温度下工作的aemfc的工作。在这项工作中,我们提出了第一个在110 °C下测试的高温AEMFC (HT-AEMFC)。HT-AEMFC表现出高性能,峰值功率密度为2.1 W cm−2,在0.8 V下测量的电流密度高达574 mA cm−2。这项初步工作代表了燃料电池技术研究和发展的一个重要里程碑,为我们称之为ht - aemfc的新研究领域打开了广阔的大门。
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来源期刊
CiteScore
9.10
自引率
0.00%
发文量
18
审稿时长
64 days
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