原子层沉积技术制备高性能低铂载量燃料电池膜电极

doi:10.61558/2993-074X.2099

电化学（中英文） ›› 2013, Vol. 19 ›› Issue (1): 65-70. doi: 10.61558/2993-074X.2099

• 电化学材料基础与表界面研究专辑（中国科学院化学研究所万立骏院士主编） • 上一篇下一篇

原子层沉积技术制备高性能低铂载量燃料电池膜电极

舒婷¹, 廖世军^1*, 谢建德², 苏艾³

1. 华南理工大学化学化工学院，广东广州 510641；2. 元智大学化学工程和材料科学学系，燃料电池中心，台湾桃园 32003；3. 元智大学机械工程学系，燃料电池中心，台湾桃园 32003

收稿日期:2012-01-13 修回日期:2012-02-12 出版日期:2013-02-28 发布日期:2012-02-20
通讯作者: 廖世军 E-mail:chsjliao@scut.edu.cn

High Performance Membrane Electrode Assembly with Low Platinum Loadings Prepared by Atomic Layer Deposition for PEMFC Application

SHU Ting¹, LIAO Shi-Jun^1*, HSIEH Chien-te², SU Ay³

1. School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China; 2. Department of Chemical Engineering and Materials Science, Yuan Ze Fuel Cell Center, Yuan Ze University, Taoyuan 32003; 3. Department of Mechanical Engineering, Yuan Ze Fuel Cell Center, Yuan Ze University, Taoyuan 32003

Received:2012-01-13 Revised:2012-02-12 Published:2013-02-28 Online:2012-02-20
Contact: LIAO Shi-Jun E-mail:chsjliao@scut.edu.cn

摘要/Abstract

摘要： 应用原子层沉积技术在碳材料复合电极基体上制备了低铂载量的高性能膜电极. 将碳载体（XC-72R）与聚四氟乙烯乳液均匀混合后涂布在碳纸上，在马弗炉中350 °C烧结，构成复合电极的基底，然后采用原子层沉积技术将铂活性组分沉积在电极基底上制得膜电极的阳极，将该阳极与经过预处理的质子交换膜及阴极压合即得膜电极. 由扫描电镜（SEM）、透射电镜（TEM）、X射线衍射（XRD）和循环伏安（CV）等分别表征该电极，单电池测试膜电极的性能. 结果表明，活性组分在阳极中高度分散，膜电极具有良好的稳定性. 膜电极的最大功率密度可达3.34 kW.(gPt)^-1，是商业催化剂常规方式下制备的膜电极的1.76倍. 以本文方法制得的膜电极具有铂载量低、单位质量铂的能量密度高等特点，有望在燃料电池领域应用.

关键词: 原子层沉积, 膜电极, 低铂载量

Abstract: A high performance membrane electrode assembly (MEA) with low platinum loadings was successfully prepared with atomic layer deposition (ALD) technique. The anode of the MEA was prepared by depositing platinum on the carbon paper substrate, which was prepared by coating the slurry of carbon black (XC-72R) and Teflon, followed by drying and calcining at 350 °C. The MEAs consisted of the ALD anode or commercial catalyst anode, pretreated Nafion membrane (Nafion-117) and commercial cathode. Performances of MEAs were measured by single cell testing, and the anodes and MEAs were characterized by CV, SEM, TEM and XRD. The results revealed that the active component, Pt, was highly dispersed in the ALD anode and MEA with ALD anode showed excellent activity and stability. The mass activity could be high up to 3.34 kW.(gPt)^-1, which is 1.76 times higher than that of the MEA with the anode prepared with commercial catalyst and conventional method. The high performance with low platinum loadings and high utilization of platinum make the ALD technique promising to be used in PEM fuel cell.

Key words: atomic layer deposition, membrane electrode assembly, low Pt loading

舒婷, 廖世军, 谢建德, 苏艾. 原子层沉积技术制备高性能低铂载量燃料电池膜电极[J]. 电化学（中英文）, 2013, 19(1): 65-70.

SHU Ting, LIAO Shi-Jun, HSIEH Chien-te, SU Ay. High Performance Membrane Electrode Assembly with Low Platinum Loadings Prepared by Atomic Layer Deposition for PEMFC Application[J]. Journal of Electrochemistry, 2013, 19(1): 65-70.

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链接本文: https://electrochem.xmu.edu.cn/CN/10.61558/2993-074X.2099

https://electrochem.xmu.edu.cn/CN/Y2013/V19/I1/65

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原子层沉积技术制备高性能低铂载量燃料电池膜电极

High Performance Membrane Electrode Assembly with Low Platinum Loadings Prepared by Atomic Layer Deposition for PEMFC Application

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