scholarly journals The Bipolar Analysis of a Single Sphere in an Electrolytic Cell

1991 ◽  
Vol 138 (9) ◽  
pp. 2697-2703 ◽  
Author(s):  
Shi‐Chern Yen ◽  
Ching‐Yih Yao
Keyword(s):  
Electrolytic Cell ◽  
Single Sphere

scholarly journals Factors Influencing the Formation of Sodium Hydroxide by an Ion Exchange Membrane Cell

Batteries ◽  
2021 ◽  
Vol 7 (2) ◽  
pp. 34
Author(s):  
Jimmy Aurelio Rosales-Huamani ◽  
Juan Taumaturgo Medina-Collana ◽  
Zoila Margarita Diaz-Cordova ◽  
Jorge Alberto Montaño-Pisfil
Keyword(s):  
Ion Exchange ◽  
Sodium Hydroxide ◽  
Linear Trend ◽  
Electrolytic Cell ◽  
Electrolysis Time ◽  
Operational Parameters ◽  
Graphite Electrodes ◽  
Exchange Membrane ◽  
Membrane Cell ◽  
Production Cell

The present study aimed to evaluate the factors that influence the formation of sodium hydroxide (NaOH) by means of an electrolytic cell with ion exchange membranes. To achieve this experiment, the NaOH production cell had to be designed and built inexpensively, using graphite electrodes. The operational parameters in our study were: initial NaOH concentration, applied voltage, and temperature. All experiments were carried out using model NaCl solutions with a concentration of 40 g/L for 150 min. The results of the experiment were that the NaOH concentration, conductivity, and pH presented an increasing linear trend with the electrolysis time. Finally, it was possible to obtain the efficiency level of the electric current in our investigation, which was an average of 80.2%, that indicated good performance of the built cell.

scholarly journals In situ synthesis of methane using Ag–GDC composite electrodes in a tubular solid oxide electrolytic cell: new insight into the role of oxide ion removal

2021 ◽  
Vol 5 (7) ◽  
pp. 2055-2064
Author(s):  
Saheli Biswas ◽  
Aniruddha P. Kulkarni ◽  
Daniel Fini ◽  
Sarbjit Giddey ◽  
Sankar Bhattacharya
Keyword(s):  
Electrolytic Cell ◽  
Composite Electrodes ◽  
Ion Removal ◽  
Single Temperature ◽  
Methanation Catalyst ◽  
Oxide Ion ◽  
Insight Into ◽  
Electrochemical Phenomenon

In situ synthesis of methane in a single-temperature zone SOEC in the absence of any methanation catalyst is a completely electrochemical phenomenon governed by the thermodynamic equilibrium of various reactions.

scholarly journals A Facile Method to Realize Oxygen Reduction at the Hydrogen Evolution Cathode of an Electrolytic Cell for Energy-Efficient Electrooxidation

Materials ◽  
2021 ◽  
Vol 14 (11) ◽  
pp. 2841
Author(s):  
Zhiqiang Zhao ◽  
Lu Liu ◽  
Luofu Min ◽  
Wen Zhang ◽  
Yuxin Wang
Keyword(s):  
Oxygen Reduction ◽  
Electrochemical Oxidation ◽  
Hydrogen Evolution ◽  
Low Cost ◽  
Pollution Abatement ◽  
Electric Energy ◽  
Ammonium Persulfate ◽  
Electrolytic Cell ◽  
Reduction Reaction ◽  
Explosion Hazard

Electrochemical oxidation, widely used in green production and pollution abatement, is often accompanied by the hydrogen evolution reaction (HER), which results in a high consumption of electricity and is a potential explosion hazard. To solve this problem, we report here a method for converting the original HER cathode into one that enables the oxygen reduction reaction (ORR) without having to build new electrolysis cells or be concerned about electrolyte leakage from the O2 gas electrode. The viability of this method is demonstrated using the electrolytic production of ammonium persulfate (APS) as an example. The original carbon black electrode for the HER is converted to an ORR electrode by first undergoing in situ anodization and then contacting O2 or air bubbled from the bottom of the electrode. With this sole change, APS production can achieve an electric energy saving of up to 20.3%. Considering the ease and low cost of this modification, such significant electricity savings make this method very promising in the upgrade of electrochemical oxidation processes, with wide potential applications.

Experiments on the transverse aeroelastic instability of a single sphere in a swing configuration under a longitudinal wind

2019 ◽  
Vol 193 ◽  
pp. 103979
Author(s):  
Omar Gómez-Ortega ◽  
Raul Manzanares-Bercial ◽  
Mikel Ogueta-Gutiérrez ◽  
Elena Lopez-Nuñez ◽  
Sebastián Franchini ◽  
...  
Keyword(s):  
Aeroelastic Instability ◽  
Single Sphere

Study on Elevator Drive System Dynamics Simulation of Rail Transport Conveyer

2014 ◽  
Vol 511-512 ◽  
pp. 619-622 ◽  
Author(s):  
Shou Cheng Li ◽  
Xue Jun Wang
Keyword(s):  
Design Research ◽  
System Modeling ◽  
Metallurgical Industry ◽  
Electrolytic Cell ◽  
Rail Transport ◽  
Dynamics Simulation ◽  
Speed Ratio ◽  
Technical Problems ◽  
Transportation Equipment ◽  
Lifting System

Rail transport conveyer is special transportation equipment that is widely used in the field of metallurgical industry. It is the key to ensure equipment operation efficiency on a production site. But the low lift system efficiency and poor reliability are difficult technical problems in the enterprise. In this case, rail transport conveyer uses the worm gear and screw nut lifting mechanism. The project carries on rail vehicle lifting system modeling and dynamic simulation study through Solid Edge ST5 and ADAMS, combined with simulation technology, virtual prototype design. Research purpose is in order to match the coefficient of friction between the screw and screw nut better, and to match different speed ratio for the drive gear pair and the lifting mechanism being in empty back to travel and work schedule. Another aim is to match the speed of the lifting speed and walking speed, and to reduce the error probability. Results show that the motor can get better speed matching relation with lifting mechanism through research, further optimizing the structure of lifting system parameters. Through the analysis and structure optimization, we can improve the reliability of rail transport vehicle lift system, and implement efficient fast for copper anode lifting and positioning precision. The ultimate goal is to achieve vertical hanging in electrolytic cell anode plate, and to make electrolytic operation to achieve the best state.

scholarly journals Particle imaging velocimetry experiments and lattice-Boltzmann simulations on a single sphere settling under gravity

2002 ◽  
Vol 14 (11) ◽  
pp. 4012-4025 ◽  
Author(s):  
A. ten Cate ◽  
C. H. Nieuwstad ◽  
J. J. Derksen ◽  
H. E. A. Van den Akker
Keyword(s):  
Lattice Boltzmann ◽  
Particle Imaging Velocimetry ◽  
Lattice Boltzmann Simulations ◽  
Single Sphere ◽  
Particle Imaging

scholarly journals 1. On Galvanic Polarisation

1882 ◽  
Vol 11 ◽  
pp. 202-204
Author(s):  
Helmholtz
Keyword(s):  
Electrolytic Cell ◽  
Motive Force ◽  
Long Duration ◽  
Long Time ◽  
Electro Motive Force ◽  
A Current

In 1872 I wrote a paper on galvanic currents, which continue for a long time in an electrolytic cell, under the influence of an electro-motive force, too feeble to effect electrolytic decomposition. I tried at that time to prove that the long duration of these currents was caused by oxygen dissolved in the water of the electrolyte, combining with the hydrogen, which is carried by the electrolytic motion to the cathode. So the oxygen, which existed formerly near the surface of the cathode, is taken away, and instead of it the same amount of oxygen is liberated at the anode. This can return by diffusion to the cathode, and so the same action can go on without end. It appears as a current producing no electrolytic action. I called it “Electrolytic convection.”

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