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Si based Layer Stacks for Rear-Side Passivation and Enhanced Reflection of GaInP/GaInAs/Ge Triple-Junction Space Solar Cells

Objective

"Solar cells are the preferred method for powering today’s satellites. The cell efficiency determines the available power and is hence of exceptional importance for any spacecraft equipment or system. Besides the efficiency that is directly linked to the solar array power (W/m2), solar cells define also further Key Performance Indicators such as specific mass (kg/m2) and manufacturing costs (EUR/W). The SiLaSpaCe proposal will address these needs by developing next generation, high performance, GaInP/GaInAs/Ge multi-junction space solar cells with reduced weight, high radiation stability and increased efficiency. This ambitious goal will be achieved by the introduction (spinning-in) of Si photovoltaic technologies which are absolutely new for space applications and which will lead to a disruptive development. These measures will furthermore allow the introduction of thinner Ge wafers and metamorphic top structures leading to increased efficiency and to reduced weight bringing GaInP/GaInAs/Ge multi-junction space solar cells significantly beyond the state-of the art which are lattice-matched GaInP/GaInAs/Ge triple-junction solar cells with a Beginning-of-Life (BOL) efficiency of 30%. In the SiLaSpaCe project GaInP/GaInAs/Ge multi-junction space solar cells shall reach a BOL efficiency of 33%. The proposal relates clearly to the EU call topic ""H2020-LEIT-Space-Competitiveness of the European Space Sector-2015”. Its main objective is to preserve European independence and competitiveness in the space market by incorporating and developing a brand-new space solar cell technology. The proposal’s ambitious developments will enhance new and key enabling technologies (KET) like energy production, materials and structures as well as additive layer manufacturing techniques. Finally the proposal will attract terrestrial technologies to space systems and mobilises the new incorporation of non-space actors into the space landscape."

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Keywords

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Programme(s)

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Topic(s)

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Funding Scheme

Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.

RIA - Research and Innovation action

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Call for proposal

Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.

(opens in new window) H2020-COMPET-2015

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Coordinator

FRAUNHOFER GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG EV
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 475 816,25
Address
HANSASTRASSE 27C
80686 Munchen
Germany

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Region
Bayern Oberbayern München, Kreisfreie Stadt
Activity type
Research Organisations
Links
Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

€ 475 816,25

Participants (3)

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