针对复杂工况对光伏制氢系统性能产生不确定性的影响,提出考虑多变量因素影响的光伏制氢系统模型,探索辐照度、温度、膜厚、压力等因素对光伏质子交换膜（PEM）制氢系统的影响。系统首先建立考虑辐照度、温度、膜厚、压力等因素影响的光伏-质子交换膜电解槽-氢储罐的光伏制氢模型,之后对系统进行定量计算和定性分析,并依据实际光伏数据进行实验验证。结果表明,在额定功率范围内,太阳电池输出电流和功率随辐照度的增加而增大,随温度的升高而降低。质子交换膜电解槽电压随辐照度、膜厚、压力的增加而增大,随温度的升高而减小。太阳电池输出功率、质子交换膜电解槽电压的变化趋势与辐照度变化趋势具有一致性。最终计算得到太阳电池系统、质子交换膜电解槽系统和总系统效率分别为16.8%、72.2%和12.1%。
Abstract
For the uncertain influence of complicated working conditions on the photovoltaic hydrogen production system performance, this paper puts forward a photovoltaic hydrogen production system model that takes into account the influence of multivariable factors and explores the effects of the light intensity, temperature, film thickness, pressure and other factors on the photovoltaic-proton exchange membrane （PEM） hydrogen production system. The PV hydrogen production model of solar cell-proton exchange membrane electrolyzer, which considers the solar irradiance, temperature, film thickness and pressure and other factors, is first established in the system. Then, the system is quantitatively calculated and qualitatively analyzed and is also experimentally verified based on the actual PV data. The results show that within the rated power range, the solar cell output current and power increase with light intensity and decrease with the temperature increase. In addition, the PEM electrolyzer voltage increases with light intensity, film thickness and pressure, and decreases with temperature. The trend of the solar cell output power and PEM electrolyzer voltage are consistent with the trends of the light intensity. At last, the calculation show that there are 16.8%, 72.2% and 12.1% efficiencies for the solar cell system, the PEM electrolyzer system and the total system, respectively.
关键词
质子交换膜 /
太阳电池 /
光伏制氢 /
多变量 /
系统效率
Key words
proton exchange membrane /
solar cells /
photovoltaic hydrogen production /
multivariate /
system efficiency
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基金
国家自然科学基金（51967020）; 新疆维吾尔自治区自然科学基金（2021D01A66; 2019D01A30）; 自治区区域协同创新专项（科技援疆计划）（2021E02044）; 乌鲁木齐市优秀青年科技人才项目：新疆地区风电制氢关键技术研究
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