Studies of Energy Efficiency and a Control of High-Pressure Hydrogen Production

2019 ◽  
Vol 25 (35) ◽  
pp. 403-407
Author(s):  
Kenta Hazeki ◽  
Noboru Katayama ◽  
Yusuke Kudo ◽  
Sumio Kogoshi
Keyword(s):  
Energy Efficiency ◽  
High Pressure ◽  
Hydrogen Production ◽  
Pressure Hydrogen

Simple Continuous High-Pressure Hydrogen Production and Separation System from Formic Acid under Mild Temperatures

ChemCatChem ◽  
2016 ◽  
Vol 8 (5) ◽  
pp. 874-874
Author(s):  
Masayuki Iguchi ◽  
Yuichiro Himeda ◽  
Yuichi Manaka ◽  
Koichi Matsuoka ◽  
Hajime Kawanami
Keyword(s):  
High Pressure ◽  
Hydrogen Production ◽  
Formic Acid ◽  
Separation System ◽  
Pressure Hydrogen

The MATLAB/Simlink Model of an Electrolyzer System for High-Pressure Hydrogen Production

2019 ◽  
Vol 25 (35) ◽  
pp. 409-414
Author(s):  
Noboru Katayama ◽  
Kenta Hazeki ◽  
Yusuke Kudo ◽  
Sumio Kogoshi
Keyword(s):  
High Pressure ◽  
Hydrogen Production ◽  
Pressure Hydrogen

Direct High Pressure Hydrogen Production: a Laboratory Scale PEM Electrolyser Prototype.

2019 ◽  
Vol 17 (1) ◽  
pp. 555-567 ◽  
Author(s):  
Francesco Marangio ◽  
Massimo Santarelli ◽  
Matteo Pagani ◽  
Michele Calì Quaglia
Keyword(s):  
High Pressure ◽  
Hydrogen Production ◽  
Laboratory Scale ◽  
Pressure Hydrogen

Simple Continuous High-Pressure Hydrogen Production and Separation System from Formic Acid under Mild Temperatures

ChemCatChem ◽  
2015 ◽  
Vol 8 (5) ◽  
pp. 886-890 ◽  
Author(s):  
Masayuki Iguchi ◽  
Yuichiro Himeda ◽  
Yuichi Manaka ◽  
Koichi Matsuoka ◽  
Hajime Kawanami
Keyword(s):  
High Pressure ◽  
Hydrogen Production ◽  
Formic Acid ◽  
Separation System ◽  
Pressure Hydrogen

Cover Picture: Simple Continuous High-Pressure Hydrogen Production and Separation System from Formic Acid under Mild Temperatures (ChemCatChem 5/2016)

ChemCatChem ◽  
2016 ◽  
Vol 8 (5) ◽  
pp. 873-873
Author(s):  
Masayuki Iguchi ◽  
Yuichiro Himeda ◽  
Yuichi Manaka ◽  
Koichi Matsuoka ◽  
Hajime Kawanami
Keyword(s):  
High Pressure ◽  
Hydrogen Production ◽  
Formic Acid ◽  
Separation System ◽  
Pressure Hydrogen

Some Considerations on the Electrolysis of Water from Sodium Hydroxide Solutions

2000 ◽  
Vol 123 (2) ◽  
pp. 143-146 ◽  
Author(s):  
Edward A. Fletcher
Keyword(s):  
Energy Efficiency ◽  
High Pressure ◽  
Sodium Hydroxide ◽  
Saturation Pressure ◽  
Specific Conductance ◽  
Working Fluid ◽  
Future Research ◽  
Metal Hydroxides ◽  
Process Heat ◽  
Pressure Hydrogen

The unusually high solubilities and thermal coefficients of solubility of the alkali metal hydroxides make them attractive candidates for high-temperature electrolytic processes to produce high-pressure hydrogen. The feasibility of using strong sodium hydroxide (to keep down the saturation pressure of the condensed phase) electrolysis (to facilitate the separation of the hydrogen from oxygen over a liquid phase) at high temperatures (to increase the energy efficiency by substitution of process heat for electric power) and to increase the production rate in a given cell (by increasing the specific conductance of the working fluid) is explored and discussed. Suggestions are made for future research.

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