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SUNlight-to-LIQUID: Integrated solar-thermochemical synthesis of liquid hydrocarbon fuels

Total Cost €


EC-Contrib. €






 SUN-to-LIQUID project word cloud

Explore the words cloud of the SUN-to-LIQUID project. It provides you a very rough idea of what is the project "SUN-to-LIQUID" about.

thermochemical    complete    laboratory    energy    biomass    hydrocarbon    exceptionally    basis    undergoing    establishes    subsequently    concentrated    fuel    ultra    radiation    advancing    transportation    synthesis    requiring    feasibility    guide    provides    jet    h2o    experimentally    carriers    utilizes    efficiency    virtually    reactor    abundant    innovations    controversial    commercial    containing    validated    conversion    ideal    synthesize    spectrum    thereby    industrial    cycle    competitive    sustainable    optimized    fossil    renewable    liquid    drives    ambition    reticulated    global    operates    density    feedstocks    co2    sun    inherently    infrastructure    heliostat    solar    structure    modular    demand    economic    competitiveness    processed    materials    consequently    convenient    full    radically    handling    temperatures    fuels    record    cyclic    chain    gas    meet    first    cover    consumption    environmental    flux    thermodynamically    contrast    originate    ceria    demonstrated    kw    redox    porous   

Project "SUN-to-LIQUID" data sheet

The following table provides information about the project.


Organization address
postcode: 82024

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
 Total cost 6˙150˙031 €
 EC max contribution 4˙450˙618 € (72%)
 Programme 1. H2020-EU. (Make bio-energy more competitive and sustainable)
2. H2020-EU. (New alternative fuels)
 Code Call H2020-LCE-2015-1-two-stage
 Funding Scheme RIA
 Starting year 2016
 Duration (year-month-day) from 2016-01-01   to  2019-12-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    BAUHAUS LUFTFAHRT EV DE (TAUFKIRCHEN) coordinator 1˙014˙060.00
3    HYGEAR TECHNOLOGY AND SERVICES BV NL (Arnhem) participant 961˙433.00
4    Fundacion IMDEA Energia ES (MOSTOLES MADRID) participant 955˙921.00
5    ARTTIC FR (PARIS) participant 288˙550.00
6    ABENGOA ENERGIA SA ES (SEVILLA) participant 203˙136.00
7    ABENGOA RESEARCH SL ES (SEVILLA) participant 58˙846.00


 Project objective

Liquid hydrocarbon fuels are ideal energy carriers for the transportation sector due to their exceptionally high energy density and most convenient handling, without requiring changes in the existing global infrastructure. Currently, virtually all renewable hydrocarbon fuels originate from biomass. Their feasibility to meet the global fuel demand and their environmental impact are controversial. In contrast, SUN-to-LIQUID has the potential to cover future fuel consumption as it establishes a radically different non-biomass non-fossil path to synthesize renewable liquid hydrocarbon fuels from abundant feedstocks of H2O, CO2 and solar energy. Concentrated solar radiation drives a thermochemical redox cycle, which inherently operates at high temperatures and utilizes the full solar spectrum. Thereby, it provides a thermodynamically favourable path to solar fuel production with high energy conversion efficiency and, consequently, economic competitiveness. Recently, the first-ever production of solar jet fuel has been experimentally demonstrated at laboratory scale using a solar reactor containing a ceria-based reticulated porous structure undergoing the redox cyclic process. SUN-to-LIQUID aims at advancing this solar fuel technology from the laboratory to the next field phase: expected key innovations include an advanced high-flux ultra-modular solar heliostat field, a 50 kW solar reactor, and optimized redox materials to produce synthesis gas that is subsequently processed to liquid hydrocarbon fuels. The complete integrated fuel production chain will be experimentally validated at a pre-commercial scale and with record high energy conversion efficiency. The ambition of SUN-to-LIQUID is to advance solar fuels well beyond the state of the art and to guide the further scale-up towards a reliable basis for competitive industrial exploitation. Large-scale solar fuel production is expected to have a major impact on a sustainable future transportation sector.


List of deliverables.
Techno-economic and environmental analysis of CO2 provision from various sources Documents, reports 2020-03-03 15:57:56
SUN-to-LIQUID Scientific Workshop Websites, patent fillings, videos etc. 2020-03-03 15:57:56
SUN-to-LIQUID public website Websites, patent fillings, videos etc. 2020-03-03 15:57:57
SUN-to-LIQUID summer schools and seminar programme for master students Other 2020-03-03 15:57:57

Take a look to the deliverables list in detail:  detailed list of SUN-to-LIQUID deliverables.


year authors and title journal last update
List of publications.
2020 Falter, Christoph; Scharfenberg,Niklas; Habersetzer,Antoine
Geographical Potential of Solar Thermochemical Jet Fuel Production
published pages: , ISSN: 1996-1073, DOI: 10.3390/en13040802
Geographical Potential of Solar Thermochemical Jet Fuel Production 13(4), 802 2020-03-03
2019 Stefan Brendelberger, Josua Vieten, Martin Roeb, Christian Sattler
Thermochemical oxygen pumping for improved hydrogen production in solar redox cycles
published pages: 9802-9810, ISSN: 0360-3199, DOI: 10.1016/j.ijhydene.2018.12.135
International Journal of Hydrogen Energy 44/20 2020-03-03
2018 Christoph Falter, Robert Pitz-Paal
Energy analysis of solar thermochemical fuel production pathway with a focus on waste heat recuperation and vacuum generation
published pages: 230-240, ISSN: 0038-092X, DOI: 10.1016/j.solener.2018.10.042
Solar Energy 176 2020-03-03
2019 Stefan Brendelberger, Philipp Holzemer-Zerhusen, Henrik von Storch, Christian Sattler
Performance Assessment of a Heat Recovery System for Monolithic Receiver-Reactors
published pages: 021008 (1-9 page, ISSN: 0199-6231, DOI: 10.1115/1.4042241
Journal of Solar Energy Engineering 141/2 2020-03-03
2019 S. Zoller, E. Koepf, P. Roos, A. Steinfeld
Heat Transfer Model of a 50 kW Solar Receiver–Reactor for Thermochemical Redox Cycling Using Cerium Dioxide
published pages: 021014 (1-11 pag, ISSN: 0199-6231, DOI: 10.1115/1.4042059
Journal of Solar Energy Engineering 141/2 2020-03-03
2017 Manuel Romero, José González-Aguilar, Salvador Luque
Ultra-modular 500m2 heliostat field for high flux/high temperature solar-driven processes
published pages: 30044, ISSN: , DOI: 10.1063/1.4984387
AIP Conference Proceedings volume 1850 27 June 2017 2020-03-03
2019 Marie Hoes, Simon Ackermann, David Theiler, Philipp Furler, Aldo Steinfeld
Additive‐Manufactured Ordered Porous Structures Made of Ceria for Concentrating Solar Applications
published pages: 1900484, ISSN: 2194-4288, DOI: 10.1002/ente.201900484
Energy Technology 23 May 2019 2020-03-03
2017 Christoph Falter, Robert Pitz-Paal
Water Footprint and Land Requirement of Solar Thermochemical Jet-Fuel Production
published pages: 12938-12947, ISSN: 0013-936X, DOI: 10.1021/acs.est.7b02633
Environmental Science & Technology 51/21 2020-03-03
2017 Marie Hoes, Christopher L. Muhich, Roger Jacot, Greta R. Patzke, Aldo Steinfeld
Thermodynamics of paired charge-compensating doped ceria with superior redox performance for solar thermochemical splitting of H 2 O and CO 2
published pages: 19476-19484, ISSN: 2050-7488, DOI: 10.1039/c7ta05824a
J. Mater. Chem. A 5/36 2020-03-03
2017 Christoph P. Falter, Robert Pitz-Paal
A generic solar-thermochemical reactor model with internal heat diffusion for counter-flow solid heat exchange
published pages: 569-579, ISSN: 0038-092X, DOI: 10.1016/j.solener.2017.01.063
Solar Energy 144 2020-03-03
2018 Christoph P. Falter, Robert Pitz-Paal
Modeling counter-flow particle heat exchangers for two-step solar thermochemical syngas production
published pages: 613-623, ISSN: 1359-4311, DOI: 10.1016/j.applthermaleng.2017.12.087
Applied Thermal Engineering 132 2020-03-03
2018 R. Jacot, J. Madhusudhan Naik, R. Moré, R. Michalsky, A. Steinfeld, G. R. Patzke
Reactive stability of promising scalable doped ceria materials for thermochemical two-step CO 2 dissociation
published pages: 5807-5816, ISSN: 2050-7488, DOI: 10.1039/c7ta10966k
Journal of Materials Chemistry A 6/14 2020-03-03
2017 Christoph Falter, Andreas Sizmann, Robert Pitz-Paal
Perspectives of advanced thermal management in solar thermochemical syngas production using a counter-flow solid-solid heat exchanger
published pages: 100005, ISSN: , DOI: 10.1063/1.4984462
AIP Conference Proceedings volume 1850 27 June 2017 2020-03-03

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