Solar-Driven Co-Production of Hydrogen and Value-Add Conductive Polyaniline Polymer

Hongjun Chen; Jianghui Zheng; Alfonso Ballestas-BarrientosJueming BingChwenhaw LiaoAlexander K. L. YuenChiara A. M. FoisPeter ValtchevNicholas ProschogoStephen P. BremnerHarry A. AtwaterCyrille BoyerThomas MaschmeyerAnita W. Y. Ho-Baillie

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Solar-Driven Co-Production of Hydrogen and Value-Add Conductive Polyaniline Polymer

机译：Solar-Driven Co-Production of Hydrogen and Value-Add Conductive Polyaniline Polymer

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To reduce the reliance on fossil fuel, H_2, as a clean fuel, has attracted substantialresearch and development activities in recent years. The traditional watersplitting approach requires an applied bias of more than 1.5 V and the use ofion-selective membranes to prevent the formation of a potentially explosiveH_2–O_2 gas mixture, resulting in increased cost and system design complexity.Here, a solar-driven H2 production process requiring a much lower applied biasof 1.05 V is reported whereby aniline (ANI) is oxidized to polyaniline (PANI) atthe anode with a yield of 96% and H_2 evolution reaction occurs at the cathodewith a faradaic efficiency of 98.6 ± 3.9%. The process has multiple advantagesincluding the elimination of ion-exchange membrane as PANI is a solid productthat also is of substantially higher value than O_2. For demonstration, a singlejunction perovskite solar cell and low-cost earth abundant CoP catalyst are successfullyapplied for this process. This process contributes to the advancementof solar-driven low-cost H2 generation coupled with co-production of a highvalueproduct expediting the transition to a hydrogen economy.

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《Advanced functional materials》 |2022年第51期|2204807.1-2204807.9|共9页
作者
Hongjun Chen; Jianghui Zheng; Alfonso Ballestas-BarrientosJueming BingChwenhaw LiaoAlexander K. L. YuenChiara A. M. FoisPeter ValtchevNicholas ProschogoStephen P. BremnerHarry A. AtwaterCyrille BoyerThomas MaschmeyerAnita W. Y. Ho-Baillie;
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School of PhysicsFaculty of ScienceThe University of SydneySydney, NSW 2006, Australia;

The University of Sydney Nano InstituteThe University of SydneySydney, NSW 2006, Australia;

School of PhysicsFaculty of ScienceThe University of SydneySydney, NSW 2006, Australia;

The University of Sydney Nano InstituteThe University of SydneySydney, NSW 2006, Australia,School of Photovoltaic and Renewable Energy EngineeringUniversity of New Sout;

School of ChemistryThe University of SydneySydney, NSW 2006, AustraliaSchool of Chemical & Biomolecular EngineeringThe University of SydneySydney, NSW 2006, AustraliaSchool of Photovoltaic and Renewable Energy EngineeringUniversity of New South WalesSydney, NSW 2052, AustraliaDepartment of Applied Physics and Materials ScienceCalifornia Institute of TechnologyPasadena, CA 91125, USASchool of Chemical EngineeringUniversity of New South WalesSydney, NSW 2052, Australia;

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conductive polymers; hydrogen production; polymerization; singlejunctionperovskite solar cells; solar-driven; value-add;

Solar-Driven Co-Production of Hydrogen and Value-Add Conductive Polyaniline Polymer

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