Room-temperature synthesis of Pd/C cathode catalysts with superior performance for direct methanol fuel cells

2014 ◽  
Vol 2 (10) ◽  
pp. 3468 ◽  
Author(s):  
Wei Li ◽  
Xinsheng Zhao ◽  
Arumugam Manthiram
Keyword(s):  
Fuel Cells ◽  
Room Temperature ◽  
Direct Methanol Fuel Cells ◽  
Superior Performance ◽  
Temperature Synthesis ◽  
Room Temperature Synthesis ◽  
Cathode Catalysts ◽  
Direct Methanol ◽  
Methanol Fuel Cells

Platinum nanoparticles partially-embedded into carbon sphere surfaces: a low metal-loading anode catalyst with superior performance for direct methanol fuel cells

2017 ◽  
Vol 5 (37) ◽  
pp. 19857-19865 ◽  
Author(s):  
Kui Li ◽  
Zhao Jin ◽  
Junjie Ge ◽  
Changpeng Liu ◽  
Wei Xing
Keyword(s):  
Fuel Cells ◽  
Platinum Nanoparticles ◽  
Direct Methanol Fuel Cells ◽  
Pt Nanoparticles ◽  
Superior Performance ◽  
Carbon Sphere ◽  
Carbon Spheres ◽  
Anode Catalyst ◽  
Direct Methanol ◽  
Methanol Fuel Cells

A robust architecture, consisting of Pt nanoparticles partially-embedded in carbon spheres with low loading, brings about outstanding electrocatalytic performance in DMFCs.

Anodic engineering towards high-performance direct methanol fuel cells with non-precious-metal cathode catalysts

2020 ◽  
Vol 8 (3) ◽  
pp. 1113-1119 ◽  
Author(s):  
Zhangxun Xia ◽  
Xinlong Xu ◽  
Xiaoming Zhang ◽  
Huanqiao Li ◽  
Suli Wang ◽  
...  
Keyword(s):  
Fuel Cells ◽  
High Performance ◽  
Direct Methanol Fuel Cells ◽  
High Energy ◽  
High Energy Density ◽  
Environmental Friendliness ◽  
Cathode Catalysts ◽  
The Past ◽  
Direct Methanol ◽  
Methanol Fuel Cells

Direct methanol fuel cells (DMFCs) have drawn extensive interest for the past two decades both in scientific research and industrial engineering circles for their advantages of high energy density, environmental friendliness, and easy fuel handling.

Recent progress in the development of anode and cathode catalysts for direct methanol fuel cells

Nano Energy ◽  
2013 ◽  
Vol 2 (5) ◽  
pp. 553-578 ◽  
Author(s):  
Jitendra N. Tiwari ◽  
Rajanish N. Tiwari ◽  
Gyan Singh ◽  
Kwang S. Kim
Keyword(s):  
Fuel Cells ◽  
Recent Progress ◽  
Direct Methanol Fuel Cells ◽  
Cathode Catalysts ◽  
Direct Methanol ◽  
Methanol Fuel Cells

A study on fuel additive of methanol for room temperature direct methanol fuel cells

2018 ◽  
Vol 168 ◽  
pp. 270-275 ◽  
Author(s):  
Meng Wang ◽  
Ming Chen ◽  
Zhaoyi Yang ◽  
Yituo Wang ◽  
Yingrui Wang ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Room Temperature ◽  
Direct Methanol Fuel Cells ◽  
Fuel Additive ◽  
Direct Methanol ◽  
Methanol Fuel Cells

A Liquid-Vapor Two-Phase Model of Direct Methanol Fuel Cells with PGM-Free Cathode Catalyst

2021 ◽  
pp. 1-36
Author(s):  
Miao Zheng ◽  
Bin Hu ◽  
Ya Ling He ◽  
Jinliang Xu ◽  
Xianglin Li
Keyword(s):  
Fuel Cells ◽  
Direct Methanol Fuel Cells ◽  
Operating Temperature ◽  
Water Pressure ◽  
Gas Diffusion ◽  
Proton Exchange ◽  
Two Phase ◽  
Cathode Catalysts ◽  
Direct Methanol ◽  
Methanol Fuel Cells

Abstract This work has developed a two-dimensional, two-phase transport model to investigate the transport characteristics in direct methanol fuel cells (DMFCs) using platinum group metal (PGM)-free cathode catalysts. The model considered anisotropic properties of the gas diffusion layer (GDL) caused by current collector's mechanical compression, the interfacial mass transfer of water and methanol between liquid and vapor, and unique properties of the cathode PGM-free catalyst layer. Results showed that liquid methanol solution from the anode could provide sufficient water to hydrate the proton exchange membrane and the relative humidity of the cathode air did not impact the membrane hydration. Fully hydrating the cathode air may deteriorate the fuel cell performance, especially when the operating temperature is close to 100 °C, because the exponential increase of saturated water pressure with temperature decreased the partial pressure of oxygen. The optimized operating temperature increased with the increase of air pressure and was about 80 °C at 1.5 atm cathode pressure. To achieve U.S. Department of Energy's performance target of 300 mW/cm2 peak power density, catalytic activities of both the anode and cathode catalysts need to be improved by one order of magnitude comparing with the state-of-the-art commercial catalysts.

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