| 标题 |
 Ultra-fine Pt nanoparticles on graphene aerogel as a porous electrode with high stability for microfluidic methanol fuel cell 石墨烯气凝胶上超细铂纳米粒子作为微流体甲醇燃料电池高稳定性多孔电极
相关领域
石墨烯
材料科学
电极
铂金
炭黑
铂纳米粒子
气凝胶
阳极
化学工程
循环伏安法
直接甲醇燃料电池
扫描电子显微镜
纳米技术
电化学
催化作用
化学
复合材料
有机化学
天然橡胶
物理化学
工程类
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| 网址 | |
| DOI | |
| 其它 | Platinum-decorated graphene aerogel as a porous electrode for flow-through direct methanol microfluidic fuel cell is introduced. Ultra-fine platinum nanoparticles with size ranged from diameter 1.5 nm–3 nm are evenly anchored on the graphene nanosheets without agglomeration. The electrode is characterized by scanning electron microscopy, transmission electron microscopy and energy-dispersive X-ray spectroscopy. Catalytic activity is confirmed by cyclic voltammetry. The electroactive surface area and catalytic activity of platinum on graphene oxide (Pt/GO) are much larger than commercial platinum on carbon black (Pt/C). A counterflow microfluidic fuel cell is designed for contrasting the cell performance between flow-over type and flow-through type electrodes using Pt/C on carbon paper and Pt/GO, respectively. The Pt/GO electrode shows 358% increment in specific power compared with Pt/C anode. Apart from catalytic activity, the effect of porous electrode conductivity to cell |
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(2025-6-4)
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