Electrochemical coupling halobenzene into biphenyl on a reusable Pd nanoparticle-coated carbon-paper electrode at ambient conditions

2021 ◽  
Author(s):  
Chao-Nan Wang ◽  
Yong-Heng Lu ◽  
Yue Liu ◽  
Jun Liu ◽  
Yao-Yue Yang ◽  
...  
Keyword(s):  
Carbon Paper ◽  
Ambient Conditions ◽  
Pd Nanoparticle ◽  
Electrochemical Coupling ◽  
Coated Carbon

Electrochemical homo-coupling halobenzene into biphenyl compounds on the Pd/C surface.

Effect of MEAs Preparation Procedure on Their Performance in Room Temperature DMFC

2010 ◽  
Author(s):  
Evgeniy N. Gribov ◽  
Ivan M. Krivobokov ◽  
Aleksey G. Okunev
Keyword(s):  
Cyclic Voltammetry ◽  
Impedance Spectroscopy ◽  
Power Density ◽  
Room Temperature ◽  
Carbon Paper ◽  
Higher Power ◽  
Ptru Catalysts ◽  
Coated Carbon ◽  
Preparation Techniques ◽  
Coated Membrane

In this work the effect of the MEA preparation techniques on the performance of DMFC was evaluated using three different methods of electrocatalyst deposition: i) catalyst coated membrane; ii) catalyst coated carbon paper; and iii) decal deposition. Optimization of the nafion content (5–15 wt. %) at anode and cathode sides of the MEA and the pressure (150–500 atm) were also performed. Activities of both supported and unsupported Pt and PtRu catalysts (Johnson Matthew) were compared in room temperature DMFC (RT-DMFC) using polarization curves. All MEAs prepared were also characterized by electrochemical (cyclic voltammetry, impedance spectroscopy) methods. It was shown that optimal nafion content is 5–10 wt. % at both anode and cathode sides, while the optimal pressure is in the 300–500 atm. range. The unsupported catalysts showed slightly higher power density at RT-DMFC (∼ 14 mW/cm2) as compared to the supported ones (∼10 mW/cm2) at the same Pt load. Variation of the wetness of MEAs upon mounting in DMFC allowed us to increase of the power density of RT-DMFC up to 32 mW/cm2.

High Power Density from Pt Thin Film Electrodes Based Microbial Fuel Cell

2008 ◽  
Vol 8 (8) ◽  
pp. 4132-4134 ◽  
Author(s):  
Tushar Sharma ◽  
A. Leela Mohana Reddy ◽  
T. S. Chandra ◽  
S. Ramaprabhu
Keyword(s):  
Thin Film ◽  
Fuel Cells ◽  
Fuel Cell ◽  
Microbial Fuel Cell ◽  
Microbial Fuel Cells ◽  
Neutral Red ◽  
Carbon Paper ◽  
Platinum Electrodes ◽  
Electron Mediator ◽  
Coated Carbon

Microbial Fuel Cells (MFC) are robust devices capable of taping biological energy, converting sugars into potential sources of energy. Persistent efforts are directed towards increasing power output. However, they have not been researched to the extent of making them competitive with chemical fuel cells. The power generated in a dual-chamber MFC using neutral red (NR) as the electron mediator has been previously shown to be 152.4 mW/m2 at 412.5 mA/m2 of current density. In the present work we show that Pt thin film coated carbon paper as electrodes increase the performance of a microbial fuel cell compared to conventionally employed electrodes. The results obtained using E. coli based microbial fuel cell with methylene blue and neutral red as the electron mediator, potassium ferricyanide in the cathode compartment were systematically studied and the results obtained with Pt thin film coated over carbon paper as electrodes were compared with that of graphite electrodes. Platinum coated carbon electrodes were found to be better over the previously used for microbial fuel cells and at the same time are cheaper than the preferred pure platinum electrodes.

Electroanalysis of As(iii) at nanodendritic Pd on PEDOT

The Analyst ◽  
2014 ◽  
Vol 139 (7) ◽  
pp. 1789-1795 ◽  
Author(s):  
Sthitaprajna Dash ◽  
N. Munichandraiah
Keyword(s):  
Carbon Paper ◽  
Coated Carbon

Nanodendritic Pd electrodeposited on poly(3,4-ethylenedioxythiophene) coated carbon paper electrodes is studied for electroanalysis of As(iii).

Conformal fluorine coated carbon paper for an energy harvesting water wheel

Nano Energy ◽  
2019 ◽  
Vol 58 ◽  
pp. 842-851 ◽  
Author(s):  
Dongyue Jiang ◽  
Fei Guo ◽  
Minyi Xu ◽  
Jingcheng Cai ◽  
Shuo Cong ◽  
...  
Keyword(s):  
Energy Harvesting ◽  
Carbon Paper ◽  
Water Wheel ◽  
Coated Carbon
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