Effects of Electrode Catalyst Loading and Membrane Degradation for Fuel Cell Type CO Sensor

2011 ◽  
Vol 9 (2) ◽  
pp. 679-683 ◽  
Author(s):  
K. Mochizuki ◽  
A. Yamamoto ◽  
T. Kikuchi ◽  
M. Sudoh ◽  
Y. Gomi ◽  
...  
Keyword(s):  
Fuel Cell ◽  
Catalyst Loading ◽  
Cell Type ◽  
Membrane Degradation ◽  
Co Sensor

Effect of the dispersants on the performance of fuel cell type CO sensor with Pt–C/Nafion electrodes

2016 ◽  
Vol 230 ◽  
pp. 61-69 ◽  
Author(s):  
Yehui Guan ◽  
Mingjun Dai ◽  
Tong Liu ◽  
Yingwei Liu ◽  
Fangmeng Liu ◽  
...  
Keyword(s):  
Fuel Cell ◽  
Cell Type ◽  
Co Sensor

Comparison between Nafion and Polybenzimidazole (PBI) Membranes for Fuel Cell Type CO Sensor

2019 ◽  
Vol 28 (20) ◽  
pp. 91-99 ◽  
Author(s):  
Kei Mochizuki ◽  
Takayuki Kikuchi ◽  
Masao Sudoh ◽  
Yoshiaki Ishiguro ◽  
Takayuki Suzuki
Keyword(s):  
Fuel Cell ◽  
Cell Type ◽  
Co Sensor

Membrane‐electrode assembly enhances performance of a microbial fuel cell type biological oxygen demand sensor

2009 ◽  
Vol 30 (4) ◽  
pp. 329-336 ◽  
Author(s):  
Mia Kim ◽  
Moon Sik Hyun ◽  
Geoffrey M. Gadd ◽  
Gwang Tae Kim ◽  
Sang‐Joon Lee ◽  
...  
Keyword(s):  
Fuel Cell ◽  
Microbial Fuel Cell ◽  
Oxygen Demand ◽  
Membrane Electrode Assembly ◽  
Biological Oxygen Demand ◽  
Membrane Electrode ◽  
Cell Type

Study on a Vapor-Feed Air-Breathing Direct Methanol Fuel Cell Assisted by a Catalytic Combustor

2015 ◽  
Vol 12 (1) ◽  
Author(s):  
Wei Yuan ◽  
Hong-Rong Xia ◽  
Jin-Yi Hu ◽  
Zhao-Chun Zhang ◽  
Yong Tang
Keyword(s):  
Fuel Cell ◽  
Direct Methanol Fuel Cell ◽  
Cell Performance ◽  
Catalyst Loading ◽  
High Concentration ◽  
Methanol Vapor ◽  
Air Breathing ◽  
Direct Methanol ◽  
Catalytic Combustor ◽  
Methanol Fuel Cell

Feeding vaporized methanol to the direct methanol fuel cell (DMFC) helps reduce the effects of methanol crossover (MCO) and facilitates the use of high-concentration or neat methanol so as to enhance the energy density of the fuel cell system. This paper reports a novel system design coupling a catalytic combustor with a vapor-feed air-breathing DMFC. The combustor functions as an assistant heat provider to help transform the liquid methanol into vapor phase. The feasibility of this method is experimentally validated. Compared with the traditional electric heating mode, the operation based on this catalytic combustor results in a higher cell performance. Results indicate that the values of methanol concentration and methanol vapor chamber (MVC) temperature both have direct effects on the cell performance, which should be well optimized. As for the operation of the catalytic combustor, it is necessary to optimize the number of capillary wicks and also catalyst loading. In order to fast trigger the combustion reaction, an optimal oxygen feed rate (OFR) must be used. The required amount of oxygen to sustain the reaction can be far lower than that for methanol ignition in the starting stage.

scholarly journals Minimization of Catalyst Loading on Regenerative Fuel Cell Positive Electrodes Based on Titanium Felts using Atomic Layer Deposition

2018 ◽  
Vol 5 (24) ◽  
pp. 3932-3937 ◽  
Author(s):  
Stefanie Schlicht ◽  
Maïssa K. S. Barr ◽  
Mingjian Wu ◽  
Paula Hoppe ◽  
Erdmann Spiecker ◽  
...  
Keyword(s):  
Fuel Cell ◽  
Atomic Layer Deposition ◽  
Atomic Layer ◽  
Catalyst Loading ◽  
Positive Electrodes ◽  
Layer Deposition ◽  
Regenerative Fuel Cell

Study of the Variation of Catalyst Loading in Cathode for SPEEK/CSMM Membrane in Direct Methanol Fuel Cell (DMFC)

2014 ◽  
Vol 69 (9) ◽  
Author(s):  
S. E. Rosli ◽  
M. N. A. Mohd-Norddin ◽  
J. Jaafar ◽  
R. Sudirman
Keyword(s):  
Fuel Cell ◽  
Membrane Electrode Assembly ◽  
Cathode Side ◽  
Catalyst Loading ◽  
Methanol Permeability ◽  
Membrane Electrode ◽  
Anode Catalyst ◽  
Ether Ether Ketone ◽  
Poly Ether Ether Ketone ◽  
Direct Methanol

Variation of anode catalyst loading for modified sulfonated poly (ether ether ketone) (SPEEK) with charged surface modifying macromolecules (cSMM) membrane was studied, in order to get the higher performance in DMFC. The best optimal anode catalyst loading was 4 mgcm-2 for 30% Pt/Ru based on our previous result for this application.  The modified SPEEK/CSMM membrane was characterized to ensure of its better performance in term of water uptake and methanol permeability. In cathode side, the effect of 5% and 10% Pd/C  in 2,4 and 6 mgcm-2 of catalyst loading has been investigated with a fuel cell assembly. The preparation method of catalyst ink and membrane electrode assembly (MEA) was based on Dr. Blade method and hot pressing by using catalyzed diffusion media (CDM) method. The air flowrates were varied from 25-1000ml min-1, while 1M methanol concentrations, 1 ml min-1 of methanol flowrate and 60°C operating temperature were kept constant. These parameters were tested on the performance of single cell DMFC with 4 cm2 electrodes.The optimization catalyst loading will enhance the DMFC performance.  It was found, the best optimal cathode catalyst loading was 4 mgcm-2 for 10% Pd/C with  4 mgcm-2 for 30% Pt/Ru in anode side for this application. 

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