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针对一体式再生燃料电池(URFC)双向性能低的问题,以多孔传输层(PTL)与催化剂涂覆膜(CCM)之间界面接触为切入点,提出一种包含支撑层的新型URFC结构,并对PTL结构参数进行优化。通过极化曲线和电化学阻抗谱分析了不同结构URFC的性能。实验发现:钛毡纤维结构细密化有利于提升URFC双向性能,当电流密度为1.5 A/cm
2
时,带有支撑层的URFC相比传统URFC
在燃料电池模式下电压上升了69 mV
在电解槽模式下电压下降了12 mV;新结构URFC具有更小的接触阻抗及质子传输阻抗,比燃料电池模式的高频阻抗下降了16.2%。压敏纸实验和电镜测试表明,支撑层可以使催化层与PTL之间的宏观接触应力分布更加均匀,改善了钛纤维与催化层之间界面的微观接触状态,有利于提高电子传输效率及反应动力。研究可为一体式再生燃料电池结构设计及优化提供参考。
徐滨,王锐,苏伟,何广利,缪平.质子交换膜电解水技术关键材料的研究进展与展望[J].储能科学与技术,2022(11).
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李平安,邱殿凯,沈水云,彭林法.一体式再生燃料电池的性能衰减研究[J].电源技术,2021(06).
何丽美,王开科,曹岗林,翟保豫,李国君,张兄文.采用可逆质子交换膜燃料电池/膨胀机的综合能源系统性能研究[J].西安交通大学学报,2020(03).
Pu Zonghua,Zhang Gaixia,Hassanpour Amir,Zheng Dewen,Wang Shanyu,Liao Shijun,Chen Zhangxin,Sun Shuhui.Regenerative fuel cells: Recent progress, challenges, perspectives and their applications for space energy system[J].Applied Energy,2020.
Department of Mechanical University of Tennessee, Knoxville Tullahoma TN,Department of Mechanical University of Tennessee, Knoxville Tullahoma TN,Department of Mechanical University of Tennessee, Knoxville Tullahoma TN,Chemistry and Nanoscience Department National Renewable Energy Lab Golden CO,Department of Mechanical University of Tennessee, Knoxville Tullahoma TN,Chemistry and Nanoscience Department National Renewable Energy Lab Golden CO,Chemistry and Nanoscience Department National Renewable Energy Lab Golden CO,Chemistry and Nanoscience Department National Renewable Energy Lab Golden CO,Center for Nanophase Materials Sciences Oak Ridge National Lab Oak Ridge TN,Department of Mechanical University of Tennessee, Knoxville Tullahoma TN.Building Electron/Proton Nanohighways for Full Utilization of Water Splitting Catalysts[J].Advanced Energy Materials,2020.
Immanuel Vincent,Eun-Chong Lee,Hyung-Man Kim.Solutions to the water flooding problem for unitized regenerative fuel cells: status and perspectives[J].RSC Advances,2020.
School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore.,The Cambridge Centre for Advanced Research and Education in Singapore, 1 CREATE way, Singapore, 138602, Singapore.,Solar Fuels Laboratory, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore.,Energy Research Institute @ Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore.,Electrochemical Energy Laboratory, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.,Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.,Electrochemical Energy Laboratory, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.,Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.,Electrochemical Energy Laboratory, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.,Research Laboratory of Electronics, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA, 02139, USA.,Department of Materials, Imperial College London, London, SW7 2AZ, UK.,Institute of Materials Physics, University of Goettingen, Friedrich-Hund-Platz 1, 37077, Göttingen, Germany.,School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore.,The Cambridge Centre for Advanced Research and Education in Singapore, 1 CREATE way, Singapore, 138602, Singapore.,Solar Fuels Laboratory, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore.,Energy Research Institute @ Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore.,Singapore-HUJ Alliance for Research and Enterprise, NEW-CREATE Phase II, Campus for Research Excellence and Techno-logical Enterprise (CREATE), 138602, Singapore.,Electrochemical Energy Laboratory, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.,Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.,Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.,Research Laboratory of Electronics, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA, 02139, USA..Recommended Practices and Benchmark Activity for Hydrogen and Oxygen Electrocatalysis in Water Splitting and Fuel Cells.[J].Advanced materials (Deerfield Beach, Fla.),2019.
Biddyut Paul,John Andrews.PEM unitised reversible/regenerative hydrogen fuel cell systems: State of the art and technical challenges[J].Renewable and Sustainable Energy Reviews,2017.
Kusoglu Ahmet,Weber Adam Z.New Insights into Perfluorinated Sulfonic-Acid Ionomers.[J].Chemical reviews,2017.
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Jingke Mo,Zhenye Kang,Scott T. Retterer,David A. Cullen,Todd J. Toops,Johney B. Green,Matthew M. Mench,Feng-Yuan Zhang.Discovery of true electrochemical reactions for ultrahigh catalyst mass activity in water splitting[J].Science Advances,2016.
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Caroline Rozain,Eric Mayousse,Nicolas Guillet,Pierre Millet.Influence of iridium oxide loadings on the performance of PEM water electrolysis cells: Part II – Advanced oxygen electrodes[J].Applied Catalysis B: Environmental,2016.
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Hiroshi Ito,Tetsuhiko Maeda,Akihiro Nakano,Chul Min Hwang,Masayoshi Ishida,Atsushi Kato,Tetsuya Yoshida.Experimental study on porous current collectors of PEM electrolyzers[J].International Journal of Hydrogen Energy,2012.
Sheng-Yang Huang,Prabhu Ganesan,Ho-Young Jung,Branko N. Popov.Development of supported bifunctional oxygen electrocatalysts and corrosion-resistant gas diffusion layer for unitized regenerative fuel cell applications[J].Journal of Power Sources,2011.
Chul Min Hwang,Masayoshi Ishida,Hiroshi Ito,Tetsuhiko Maeda,Akihiro Nakano,Atsushi Kato,Tetsuya Yoshida.Effect of titanium powder loading in gas diffusion layer of a polymer electrolyte unitized reversible fuel cell[J].Journal of Power Sources,2011.
Chul Min Hwang,Masayoshi Ishida,Hiroshi Ito,Tetsuhiko Maeda,Akihiro Nakano,Yasuo Hasegawa,Naoto Yokoi,Atsushi Kato,Tetsuya Yoshida.Influence of properties of gas diffusion layers on the performance of polymer electrolyte-based unitized reversible fuel cells[J].International Journal of Hydrogen Energy,2010.
Salwan S. Dihrab,K. Sopian,M.A. Alghoul,M.Y. Sulaiman.Review of the membrane and bipolar plates materials for conventional and unitized regenerative fuel cells[J].Renewable and Sustainable Energy Reviews,2008.
Shidong Song,Huamin Zhang,Xiaoping Ma,Zhi-Gang Shao,Yining Zhang,Baolian Yi.Bifunctional oxygen electrode with corrosion-resistive gas diffusion layer for unitized regenerative fuel cell[J].Electrochemistry Communications,2006.
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