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SolHyPro

Water splitting by solar energy: From lab-scale to prototype devices

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

SolHyPro project word cloud

Explore the words cloud of the SolHyPro project. It provides you a very rough idea of what is the project "SolHyPro" about.

length material society threshold ready solutions gained efficient ceramic microstructure limited drawbacks hematite electron photoelectrolytic laboratory alkaline resolved produces 10x10cm2 scaling spectrum bandgap fabrication poses tandem cooperation good technique lab photoelectrolysis hydrogen successfully hole stable below favorable layers leap ev functional photovoltaic defects supressing me sequence photovoltage oxygen thin pvcomb issue recombination entirely photoanode splitting cell roughness adhesion coupling accounted expertise catalytic personally optimize prototype energy grain boundaries oxidation photoanods tailoring efficiency deposition microstructural device carrier renewable surface consists optimal performance water environmentally owing germany metal harvesting impacts film chemically solar leadership

Project "SolHyPro" data sheet

The following table provides information about the project.

Coordinator	TECHNION - ISRAEL INSTITUTE OF TECHNOLOGY Organization address address: SENATE BUILDING TECHNION CITY city: HAIFA postcode: 32000 website: www.technion.ac.il contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.
Coordinator Country	Israel [IL]
Project website	https://emd.net.technion.ac.il/
Total cost	170˙509 €
EC max contribution	170˙509 € (100%)
Programme	1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
Code Call	H2020-MSCA-IF-2014
Funding Scheme	MSCA-IF-EF-ST
Starting year	2015
Duration (year-month-day)	from 2015-06-01 to 2017-05-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	TECHNION - ISRAEL INSTITUTE OF TECHNOLOGY TECHNION - ISRAEL INSTITUTE OF TECHNOLOGY Organization address address: SENATE BUILDING TECHNION CITY city: HAIFA postcode: 32000 website: www.technion.ac.il contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	IL (HAIFA)	coordinator	170˙509.00

Map

Project objective

Hematite is a promising photoanode material for harvesting solar energy by splitting water into hydrogen and oxygen. It has a favorable bandgap energy (2.1 eV), good catalytic activity for water oxidation, low cost, is chemically stable in alkaline solutions and environmentally friendly. However, its water splitting efficiency is limited by electron-hole recombination length and it produces a below threshold photovoltage. The key to increasing the recombination length is supressing defects such as grain boundaries or surface roughness of the photoanode. The second issue is successfully resolved by coupling the photoelectrolytic cell to a photovoltaic cell, a so-called tandem cell with theoretically higher efficiency owing to optimal use of the solar spectrum. Both of these drawbacks are accounted for in this project. The aim of this project is to optimize the water photoelectrolysis performance of the photoelectrolysis-photovoltaic tandem-cell device by tailoring the microstructure of the thin film hematite photoanods, and up scaling from the laboratory scale to a prototype device. Fabrication of an efficient water-splitting cell is challenging as it consists of several thin film layers. Each of these layers impacts on the performance of the water-splitting tandem-cell. Up scaling from the lab scale to the prototype scale (10x10cm2) will be carried out in cooperation with PVComB in Germany. This poses entirely different challenges, creating the need for an adapted fabrication sequence and deposition conditions that ensure the adhesion of the ceramic and metal thin film layers. At the end of this project, I personally will have gained expertise in advanced microstructural analysis technique and also in the leadership role, which will enable me to take the next step in my carrier. And, we will have built a fully functional, fabrication-ready device for hydrogen production directly from solar energy. A great leap forward into a society based on renewable resources.

Publications

List of publications.
year	authors and title	journal	last update
2016	Daniel A. Grave, Hen Dotan, Yossi Levy, Yifat Piekner, Barbara Scherrer, Kirtiman Deo Malviya, Avner Rothschild Heteroepitaxial hematite photoanodes as a model system for solar water splitting published pages: 3052-3060, ISSN: 2050-7488, DOI: 10.1039/C5TA07094E	J. Mater. Chem. A 4/8	2019-07-23

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The information about "SOLHYPRO" are provided by the European Opendata Portal: CORDIS opendata.