An improved method of water electrolysis – effect of complexing agent

The present work investigates the efficiency of an alkaline water electrolysis process in the presence of a complexing agent like citric acid (CA) when added directly into the electrolyte during the electrolytic process. High surface area nickel electrodes prepared by electrodeposition technique wer...

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Main Authors: Seetharaman Swaminathan, Balaji Rengarajan, Ramya Krishnan, Kaveripatnam Samban Dhathathreyan, Manickam Velan
Format: Article
Language:English
Published: International Association of Physical Chemists (IAPC) 2016-09-01
Series:Journal of Electrochemical Science and Engineering
Subjects:
Online Access:http://pub.iapchem.org/ojs/index.php/JESE/article/view/296
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author Seetharaman Swaminathan
Balaji Rengarajan
Ramya Krishnan
Kaveripatnam Samban Dhathathreyan
Manickam Velan
author_facet Seetharaman Swaminathan
Balaji Rengarajan
Ramya Krishnan
Kaveripatnam Samban Dhathathreyan
Manickam Velan
author_sort Seetharaman Swaminathan
collection DOAJ
description The present work investigates the efficiency of an alkaline water electrolysis process in the presence of a complexing agent like citric acid (CA) when added directly into the electrolyte during the electrolytic process. High surface area nickel electrodes prepared by electrodeposition technique were used as the electrode to evaluate the efficiency of the oxygen evolution reaction (OER) by the polarization measurements and cyclic voltammetry. The quantity of the complexing agent CA in the electrolyte was varied from 0-1 wt. %. An increase in the current density of about 25% resulted at a temperature of 30 °C in the presence of 0.2 wt. % of CA at 1.0 V vs. Hg/HgO. CA was found to improve performance by forming a complex with the alloy electrode and by formation of the high surface area catalyst for efficient OER.
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spelling doaj.art-ce70e668958a44e19817d4ad953009ef2022-12-22T01:05:57ZengInternational Association of Physical Chemists (IAPC)Journal of Electrochemical Science and Engineering1847-92862016-09-016310.5599/jese.296215An improved method of water electrolysis – effect of complexing agentSeetharaman Swaminathan0Balaji Rengarajan1Ramya Krishnan2Kaveripatnam Samban Dhathathreyan3Manickam Velan4Centre for Fuel Cell Technology, International Advanced research Centre for Powder Metallurgy and New Materials( ARCI), II Floor, IIT-M Research Park, No.6 Kanagam road, Taramani, Chennai – 600 113, and Department of Chemical Engineering, A.C. College of Technology, Anna University, Chennai-600 025Centre for Fuel Cell Technology, International Advanced research Centre for Powder Metallurgy and New Materials( ARCI), Taramani, Chennai – 600 113Centre for Fuel Cell Technology, International Advanced research Centre for Powder Metallurgy and New Materials( ARCI), Taramani, Chennai – 600 113Centre for Fuel Cell Technology, International Advanced research Centre for Powder Metallurgy and New Materials( ARCI), Taramani, Chennai – 600 113Department of Chemical Engineering, A.C. College of Technology, Anna University, Chennai-600 025The present work investigates the efficiency of an alkaline water electrolysis process in the presence of a complexing agent like citric acid (CA) when added directly into the electrolyte during the electrolytic process. High surface area nickel electrodes prepared by electrodeposition technique were used as the electrode to evaluate the efficiency of the oxygen evolution reaction (OER) by the polarization measurements and cyclic voltammetry. The quantity of the complexing agent CA in the electrolyte was varied from 0-1 wt. %. An increase in the current density of about 25% resulted at a temperature of 30 °C in the presence of 0.2 wt. % of CA at 1.0 V vs. Hg/HgO. CA was found to improve performance by forming a complex with the alloy electrode and by formation of the high surface area catalyst for efficient OER.http://pub.iapchem.org/ojs/index.php/JESE/article/view/296Citric acidAlkaline water electrolysisOxygen evolution reactionComplexing agent
spellingShingle Seetharaman Swaminathan
Balaji Rengarajan
Ramya Krishnan
Kaveripatnam Samban Dhathathreyan
Manickam Velan
An improved method of water electrolysis – effect of complexing agent
Journal of Electrochemical Science and Engineering
Citric acid
Alkaline water electrolysis
Oxygen evolution reaction
Complexing agent
title An improved method of water electrolysis – effect of complexing agent
title_full An improved method of water electrolysis – effect of complexing agent
title_fullStr An improved method of water electrolysis – effect of complexing agent
title_full_unstemmed An improved method of water electrolysis – effect of complexing agent
title_short An improved method of water electrolysis – effect of complexing agent
title_sort improved method of water electrolysis effect of complexing agent
topic Citric acid
Alkaline water electrolysis
Oxygen evolution reaction
Complexing agent
url http://pub.iapchem.org/ojs/index.php/JESE/article/view/296
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