摘要
质子交换膜燃料电池(PEMFC)因为其效率高、零排放、适应性强的优点被认为是最有前途的移动替代电源。经过近20年的研究,燃料电池已经进入到了商业化示范运营阶段。低温启动是燃料电池商业化必须解决的关键问题之一。本文针对一款车用38.4kW石墨双极板燃料电池堆,进行了无外加热源的-20℃自启动,研究了其低温启动输出特性。研究发现,该电堆可以在启动~35s的时间达到50%的额定输出功率。然而首尾单片在启动加载中由于端板效应输出电压较低,将影响燃料电池低温启动能力,这是将来要解决的关键问题。
Proton exchange membrane fuel cells(PEMFCs)are considered to be the most promising mobile alternative power supply because of their high efficiency,zero emission and strong adaptability.After nearly 20 years of research,PEMFCs have entered the stage of commercial demonstration operation.Cold start-up is one of the key problems that must be solved.This work studied the self-cold start-up from-20℃for a 38.4 kW graphite bipolar plate fuel cell stack and its output characteristics.It was found that the stack can achieve its 50%rated output power at~35 s.However,the low output voltage of the end-plate cell will affect the cold start-up capability of PEMFCs,which is the key problem to be solved in the future.
作者
徐鑫
甘全全
姚元英
XU Xin;GAN Quan-quan;YAO Yuan-ying(Shanghai Shenli Technology Co.,Ltd.;Tsinghua University)
出处
《中国标准化》
2020年第S01期345-348,共4页
China Standardization
作者简介
徐鑫,博士,主要研究方向燃料电池策略开发及故障诊断;甘全全,博士,高工,主要研究方向燃料电池产业化应用;姚元英,硕士,主要研究方向为燃料电池测试。
