The Impact of Humidification Temperature on a 1 kW Proton Exchange Membrane Fuel Cell Stack

被引：6

作者：

Sveshnikova, Aleksandra ^{[1
]}

Di Marcoberardino, Gioele ^{[2
]}

Pirrone, Claudio ^{[2
]}

Bischi, Aldo ^{[1
]}

Valenti, Gianluca ^{[2
]}

Ustinov, Alexander ^{[1
]}

Campanari, Stefano ^{[2
]}

机构：

[1] Skolkovo Inst Sci & Technol, Skolkovo Innovat Ctr, Bldg 3, Moscow 143026, Russia

[2] Politecn Milan, Dipartimento Energia, Via Lambruschini 4, I-20156 Milan, Italy

来源：

PROCEEDINGS OF THE 9TH INTERNATIONAL CONFERENCE ON APPLIED ENERGY | 2017年 / 142卷

关键词：

Absolute humidity; Humidification Temperature; PEM fuel cell; Polarization curve; Relative Humidity; Water management; RELATIVE-HUMIDITY; PERFORMANCE;

D O I：

10.1016/j.egypro.2017.12.546

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The importance of water management in proton exchange membrane fuel cells is discussed in this paper. First part of research is dedicated to the characterization of a water-cooled 1kW PEMFC fuel cell stack at different operating conditions with calculation of net electric and thermal efficiencies. In the second part, the influence of inlet air humidification temperature at various loads and operational conditions was experimentally found. It was observed that humidification temperature in the air saturator has a strong impact on cell performance and this impact is growing with current density. Increase in humidification temperature by 8 degrees C at 200mA/cm(2) raised cell voltage only by 0.01V, while at 500mA/cm(2) the same change led to 0.04V growth. Additionally, the effect of change of air stoichiometry on this relationship is studied. Increased air stoichiometry led to a maximum growth of the slope angle by 68% at 500mA/cm(2). (C) 2017 The Authors. Published by Elsevier Ltd.

引用

页码：1661 / 1667

页数：7

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