Impedance Analysis for Hydrogen Adsorption Pseudocapacitance and Electrochemically Active Surface Area of Pt Electrode

Langmuir ◽  
2009 ◽  
Vol 25 (19) ◽  
pp. 11947-11954 ◽  
Author(s):  
Hyun D. Yoo ◽  
Jong Hyun Jang ◽  
Bok H. Ka ◽  
Choong Kyun Rhee ◽  
Seung M. Oh
Keyword(s):  
Surface Area ◽  
Hydrogen Adsorption ◽  
Active Surface ◽  
Impedance Analysis ◽  
Active Surface Area ◽  
Pt Electrode ◽  
Electrochemically Active ◽  
Electrochemically Active Surface

Improving the activity of CoxP nanoparticles for the electrochemical hydrogen evolution by hydrogenation

2017 ◽  
Vol 1 (1) ◽  
pp. 62-68 ◽  
Author(s):  
Lihong Tian ◽  
James Murowchick ◽  
Xiaobo Chen
Keyword(s):  
Surface Area ◽  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Hydrogen Adsorption ◽  
Active Surface ◽  
Active Surface Area ◽  
Cobalt Phosphide ◽  
Disordered Structures ◽  
Electrochemically Active ◽  
Electrochemically Active Surface

The activity of cobalt phosphide nanoparticles in the electrochemical hydrogen evolution reaction is improved by hydrogenation, due to the reduced hydrogen adsorption resistance and the enhanced electrochemically active surface area, likely from the formation of crystalline/disordered structures.

Microstructure and electrochemically active surface area of PtM/C electrocatalysts

2011 ◽  
Vol 47 (8) ◽  
pp. 933-939 ◽  
Author(s):  
V. E. Guterman ◽  
S. V. Belenov ◽  
T. A. Lastovina ◽  
E. P. Fokina ◽  
N. V. Prutsakova ◽  
...  
Keyword(s):  
Surface Area ◽  
Active Surface ◽  
Active Surface Area ◽  
Electrochemically Active ◽  
Electrochemically Active Surface

scholarly journals The effect of the composition of the dispersing medium of oxide sols on the electrocatalytic activity of sol-gel obtained RuO2-TiO2/Ti anodes

2001 ◽  
Vol 66 (11-12) ◽  
pp. 847-857 ◽  
Author(s):  
Dejan Mitrovic ◽  
Vladimir Panic ◽  
Aleksandar Dekanski ◽  
Slobodan Milonjic ◽  
Radoslav Atanasoski ◽  
...  
Keyword(s):  
Surface Area ◽  
Electrocatalytic Activity ◽  
Sol Gel ◽  
Active Surface ◽  
Proton Exchange ◽  
Alcohol Molecule ◽  
Active Surface Area ◽  
Electrochemically Active ◽  
Dispersing Medium ◽  
Electrochemically Active Surface

The influence of the addition of methanol, ethanol, 1-propanol and 2-propanol to the dispersing medium of amixture of RuO2 and TiO2 sols on the electrochemically active surface area for proton exchange, as well as on the electrocatalytic activity for the chlorine evolution reaction (CER) of RuO2-TiO2/Ti electrode obtained by sol-gel procedure was investigated. The electrochemically active surface area was examined by cyclic voltammetry, while the analysis of the activity for the CER was performed by polarization measurements. The stability of the obtained anode coatings was also checked by an accelerated stability test. The anode properties depend on the number of C atoms in the alcohol molecule, as well as on the elapsed time between the preparation of the sols/alcohol mixture and its application onto the titanium support. The addition of alcohol increased the activity of the anodes for the CER, compared to those prepared without the addition, but their stability was smaller.

scholarly journals Evaluation of the Electrochemically Active Surface Area of Microelectrodes by Capacitive and Faradaic Currents

2019 ◽  
Vol 6 (17) ◽  
pp. 4411-4417 ◽  
Author(s):  
Alina N. Sekretaryova ◽  
Mikhail Yu. Vagin ◽  
Anton V. Volkov ◽  
Igor V. Zozoulenko ◽  
Mats Eriksson
Keyword(s):  
Surface Area ◽  
Active Surface ◽  
Active Surface Area ◽  
Electrochemically Active ◽  
Electrochemically Active Surface

scholarly journals PtCo-excavated rhombic dodecahedral nanocrystals for efficient electrocatalysis

2020 ◽  
Vol 2 (10) ◽  
pp. 4881-4886
Author(s):  
Cong Shen ◽  
Xuemin Li ◽  
Yajing Wei ◽  
Zhenming Cao ◽  
Huiqi Li ◽  
...  
Keyword(s):  
Surface Area ◽  
Oxidation Reaction ◽  
Chemical Method ◽  
Active Surface ◽  
Methanol Oxidation Reaction ◽  
Active Surface Area ◽  
Wet Chemical Method ◽  
Electrochemically Active ◽  
Wet Chemical ◽  
Electrochemically Active Surface

We successfully synthesized excavated rhombic dodecahedral PtCo NCs using a wet chemical method. This structure and the alloy nature render the PtCo ERD NCs a large electrochemically active surface area and an excellent catalyst for OER and the methanol oxidation reaction.

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