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SiTaSol SIGNED

Application relevant validation of c-Si based tandem solar cell processes with 30 % efficiency target

Total Cost €

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EC-Contrib. €

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Partnership

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Project "SiTaSol" data sheet

The following table provides information about the project.

Coordinator
FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. 

Organization address
address: HANSASTRASSE 27C
city: MUNCHEN
postcode: 80686
website: www.fraunhofer.de

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 Germany [DE]
 Project website https://sitasol.com
 Total cost 4˙298˙201 €
 EC max contribution 4˙298˙201 € (100%)
 Programme 1. H2020-EU.3.3.2. (Low-cost, low-carbon energy supply)
 Code Call H2020-LCE-2016-RES-CCS-RIA
 Funding Scheme RIA
 Starting year 2017
 Duration (year-month-day) from 2017-05-01   to  2020-10-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. DE (MUNCHEN) coordinator 1˙197˙668.00
2    AIXTRON SE DE (HERZOGENRATH) participant 1˙094˙933.00
3    TOPSIL GLOBALWAFERS AS DK (FREDERIKSSUND) participant 550˙000.00
4    JOANNEUM RESEARCH FORSCHUNGSGESELLSCHAFT MBH AT (GRAZ) participant 549˙940.00
5    AIXTRON LIMITED UK (CAMBRIDGE) participant 325˙000.00
6    AZUR SPACE SOLAR POWER GMBH DE (HEIBRONN) participant 300˙000.00
7    UNIVERSITEIT LEIDEN NL (LEIDEN) participant 280˙658.00

Map

 Project objective

Crystalline silicon wafer solar cells have been dominating the photovoltaic market so far due to the availability and stability of c-Si and the decades of Si technology development. However, without new ways to improve the conversion efficiencies further significant cost reductions will be difficult and the c-Si technology will not be able to maintain its dominant role. In the SiTaSol project we want to increase conversion efficiencies of c-Si solar cells to 30 % by combining it with III-V top absorbers. Such a tandem solar cell will result in huge savings of land area and material consumption for photovoltaic electricity generation and offers clear advantages compared to today’s products. The III-V/Si tandem cell with an active Si bottom junction with one front and back contact is a drop-in-replacement for today’s Si flat plate terrestrial PV. To make this technology cost competitive, the additional costs for the 2-5 µm Ga(In)AsP epitaxy and processing must remain below 1 €/wafer to enable module costs <0.5 €/Watt-peak. It is the intention of the SiTaSol project to evaluate processes which can meet this challenging cost target and to proof that such a solar cell can be produced in large scale. Key priorities are focused on the development of a new growth reactor with efficient use of the precursor gases, enhanced waste treatment, recycling of metals and low cost preparation of the c-Si growth substrate. High performance devices will be demonstrated in an industrial relevant environment. The project SiTaSol approaches these challenges with a strong industrial perspective and brings together some of the most well-known European partners in the field of Si PV and III-V compound semiconductors. Furthermore SiTaSol will support the competitiveness of the European industry by providing innovative solutions for lowering manufacturing costs of III-V materials which are essential in today’s electronic products including laptops, photonic sensors and light emitting diodes.

 Deliverables

List of deliverables.
SiTaSol Project Website online Websites, patent fillings, videos etc. 2020-01-27 14:36:31

Take a look to the deliverables list in detail:  detailed list of SiTaSol deliverables.

 Publications

year authors and title journal last update
List of publications.
2018 Heitmann, Ulrike; Kluska, S.; Bartsch, Jonas; Hauser, Hubert; Ivanov, Alexy; Janz, Stefan
Novel approach for the bonding of III-V on silicon tandem solar cells with a transparent conductive adhesive: Paper presented at 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018, Waikoloa, Hawaii, June 10-15, 2018
published pages: , ISSN: , DOI:
Fraunhofer ISE 1 2020-01-27

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

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