Reasonable Threshold of H<sub>2</sub>S Concentration in H<sub>2</sub> for Proton Exchange Membrane Fuel Cell

沈猛 1; 杨代军 2; 汪吉辉 1; 宫振华 1; 周伟 2; 马建新 2

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Reasonable Threshold of H₂S Concentration in H₂ for Proton Exchange Membrane Fuel Cell

更新时间：2025-12-08

- Reasonable Threshold of H₂S Concentration in H₂ for Proton Exchange Membrane Fuel Cell
- Vol. 42, Issue 8, Pages: 1054-1058(2008)
- 作者机构：
  
  华东理工大学资源与环境工程学院,上海,200237
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM911.4
- Online First：10 August 2008，
  
  Published：2008
- 稿件说明：
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沈猛 1, 杨代军 2, 汪吉辉 1, et al. Reasonable Threshold of H₂S Concentration in H₂ for Proton Exchange Membrane Fuel Cell[J]. 2008, 42(8): 1054-1058.
DOI：

沈猛 1, 杨代军 2, 汪吉辉 1, et al. Reasonable Threshold of H₂S Concentration in H₂ for Proton Exchange Membrane Fuel Cell[J]. 2008, 42(8): 1054-1058. DOI：

摘要

利用耐受性曲线、极化曲线、循环伏安等电化学测试手段

分别考察了H

中φ(H

S)分别为0.25×10

-6

、 0.5×10

-6

、 0.75×10

-6

、 1.0×10

-6

、 1.25×10

-6

、 1.5×10

-6

以及5.0×10

-6

时对质子交换膜燃料电池(PEMFC)性能的影响.分析PEMFC性能达到相同的下降程度时通入H

S的量与其浓度之间的关系

通过拟合计算

得出H

中φ(H

S)的合理控制范围为小于等于0.2×10

-6

.通过比较不同浓度H

S影响下的耐受性曲线

可以看出H

S在Pt表面的吸附具有累积性

即使φ(H

S)低于0.2×10

-6

其长时间的影响也会造成电池性能的下降.因此

如果单从控制H

中H

S浓度的角度来维持电池性能并不理想

还需要定期对电池性能进行恢复.比较了循环伏安法和空气吹扫法对电池性能的影响

这两种方法可分别使电池的性能恢复到初始状态的97%和95%

但是空气吹扫法更易于在车载条件下实现.

Abstract

The tolerance of proton exchange membrane fuel cell to H

S in H

was investigated via durability curve

polarization curve and cyclic voltammetry tests with different concentrations of H

i.e.

0.25×10

-6

0.5×10

-6

0.75×10

-6

1.0×10

-6

1.25×10

-6

1.5×10

-6

and 5.0×10

-6

. The durability test reveals a relat

ionship between the amounts of H

S introduced into the anode resulting in the same degree of performance loss and the H

S concentrations

then a reasonable threshold of H

S concentration in H

of 0.2×10

-6

was evaluated. It can be seen from the durability curves that the adsorption of H

S on Pt is accumulative

thus the fuel cell performance decreases after a long period of exposure to H

S even if the concentration of H

S gets less than 0.2×10

-6

. It is costly to maintain that the cell performance just is controlled by concentration

so periodic recovery measurement ought to be taken as well. Two methods

CV oxidation and air purging

are adopted to recover the fuel cell performance after H

S exposure

and the performance recovery reaches to 97% and 95% respectively

especially

the latter one is relatively exercisable.

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Keywords

references

US Department of Energy. Fuel cell handbook [M]. 7th ed.West Virginia, USA: US Department of Energy,2004.

BRUIJIN F A, PAPAGEORGOPLULOS D C, SITTERS E F, et al. The influence of carbon dioxide on PEM fuel cell anodes[J]. Journal of Power Sources, 2002, 110(1):117-124.

JANSSEN G J M. Modeling study of CO2 poisoning on PEMFC anodes[[J]. Journal of Power Sources, 2004, 136(1):45-54.

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URIBE F A, GOTTESFELD S, ZAWODZINSKI T A. Effect of ammonia as potential fuel impurity on proton exchange membrane fuel cell performance[J]. Journal of the Electrochemical Society, 2002, 149(3):293-296.

JIMENEZ S, SOLER J, VALENZUELA R X, et al. Assessment of the performance of a PEMFC in the presence of CO[J]. Journal of Power Sources, 2005, 151(2):69-73.

BELLOWS R J, MARUCCHI-SOOS E P, BUCKLEY D T. Analysis of reaction kinetics for carbon monoxide and carbon dioxide on polycrystalline platinum relative to fuel cell operation[J]. Ind Eng Chem Res, 1996, 35(4): 1235-1242.

WILD P J, NYQVIST R G, BRUIJIN F A, et al. Removal of sulphur-containing odorants from fuel gases for fuel cell-based combined heat and power applications[J]. Journal of Power Sources,2006,159(2):995-1004.

杨代军, 马建新, 徐麟,等. 城市大气主要污染物对PEMFC性能的影响[J]. 电源技术, 2006,30(4):269-273.

YANG Daijun,MA Jianxin,XU Lin,et al. Effects of major atmospheric pollutants in city on PEMFC[J]. Chinese Journal of Power Sources,2006,30(4):269-273.

MOHTADI R, LEE W K, VAN ZEE J W. The effect of temperature on the adsorption rate of hydrogen sulfide on Pt anodes in a PEMFC[J].Applied Catalysis B: Environmental,2005, 56(1):37-42.

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摘要

Abstract

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Keywords

references

Reasonable Threshold of H₂S Concentration in H₂ for Proton Exchange Membrane Fuel Cell