Project Image Pool
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Terms of use: The pictures on this site originate from the projects in the frame of the programmes City of Tomorrow, Building of Tomorrow and the IEA Research Cooperation. They may be used credited for non-commercial purposes under the Creative Commons License Attribution-NonCommercial (CC BY-NC).
Examples for modern solar thermal collectors
Ground mounted evacuated tube collectors in Büsingen, Germany; combination of flat plate collectors and parabolic trough collectors in Taars, Denmark; roof integrated solar thermal collectors on “solar@home” building in Crailsheim, Germany; demo system of Sun Oyster on a flat roof in Zhangjiakou, China
Copyright: © Solites, Aalborg CSP und sunoyster.com
Advanced Biofuel Pathways
Principle pathways of advanced biofuels technologies
Copyright: @BEST
Demoplants Database
Database on facilities for the production of advanced liquid and gaseous biofuels for transport
Copyright: @IEA Bioenergy Task 39 @Open Street Map
PURIX Solar Cooling System
PURIX provides sustainable cooling technologies, leveraging R718 (water), a natural, non-flammable refrigerant, to develop environmentally friendly air conditioning and cooling systems.
Copyright: PURIX
Sunbelt regions
Sunbelt countries (orange) and IEA SHC Task 65 participants (green)
Copyright: Neyer Brainworks GmbH / Dr Jakob Energyresearch GmbH
Task65 - Solar Akademie - SACREEE
The IEA SHC Solar Academy and SOLTRAIN (Southern African Solar Thermal Training and Demonstration Initiative) hosted with the support of SACREEE and SANEDI a specialized course for professionals on Solar Cooling for Sunbelt Regions at Stellenbosch Institute for Advanced Study in South Africa. A total of 46 participants from 7 countries took part, with around 8 of them participating virtually. https://task65.iea-shc.org/Data/Sites/1/publications/IEA-SHC-Solar-Update--Solar-Academy-SACREEE.pdf
Copyright: AEE Intec
Hybrid Solar Cooling Concept
As part of the SolarHybrid project, functional models for an ammonia/water (NH3/H2O) single-/half-effect (SE/HE) absorption chiller were adapted based on the previous DAKtris project and a new NH3 compression chiller was built.
Copyright: UIBK
IEA-PVPS Task 1 Expert Group in front of the Norwegian PV-Wafer production NorSun
The IEA-PVPS Task 1 Expert Group during the technical visit in front of the Nor Sun wafer factory building in Ardalstangen/Norway. Due to strong Chinese competition in PV wafer production, this plant had to be shut down in 2023; as part of the European Net Zero Industry Act, it should be possible to resume production.
Copyright: Fechner
PV Facade, Innovametall
PV Facade, Innovametall company, Freistadt, Upper-Austria
Copyright: Fechner
Sonnenkraft _Campus
Sonnenkraft-Campus in St.Veit/Glan, Austria – PV-Facade with certified Kromatix Solar Glas - Photo credit: Sonnenkraft
Copyright: Photo credit: Sonnenkraft
SOLARSKYPARK Fast-E-Chargingpark for E-Mobility, Freistadt Upperaustria
PV Carport with E-charging and Energystorage • 176kW/597kWh Outdoorstorage by neoom • 11 Stk 300 kW E-Charging stations
Copyright: Fa. Neoom
Distribution of the ion current density in the membrane of the aged cell, expressed as a percentage compared to the initial state. This provides a detailed insight into the current distribution within the cell.
False colour image of the ion current density across the flow field of the cell.
Copyright: CEET/TU Graz
Graphical representation of the assessment across a range of different storage technologies
Comparison of various parameters (storage capacity, TRL, efficiency, cost, safety and commercial availability) for the storage technologies under consideration. These include liquid hydrogen, compressed hydrogen, organic hydrogen carriers, metal hydrides, ammonia, but also redox flow and lithium-based battery systems, pumped storage and chemical looping hydrogen (HyLoop).
Copyright: CEET/TU Graz
Concept of surfactant-doped polyaniline coating for gas diffusion layers
PTFE-free hydrophobisation and improved electrical conductivity: Surface-active species consisting of non-polar, negatively charged terminal groups and apolar residues attach themselves to the positively charged PANI framework, which ensures electrical conductivity.
Copyright: CEET/TU Graz
Test cell for gas diffusion electrodes as a bridging tool between basic and applied research in the field of PEFC.
Illustration of a test cell in the laboratory.
Copyright: Lunghammer - TU Graz
IEA Bioenergy Task 39 group picture BBEST
A group photo of the experts in IEA Bioenergy Task 39 was taken at the Business Meeting 2024 in Brazil
Copyright: IEA Bioenergy Task 39 / DBFZ
Dimensions of flexible bioenergy in biobased value chains.
Dimensions of flexible bioenergy along the value chain. In this diagram, operational flexibility in space and time is broken down along the value chain. Flexibility on the procurement side is shown on the left-hand side. On the right-hand side, the flexibility on the consumer side is shown. On the procurement side, there are two representative boxes, one for raw materials with symbols such as manure buckets and cow manure, and one for storage, with a symbol for biogas storage. On the consumer side, there are two representative boxes, one for energy sources with the symbol for wood and one for products and services with symbols for electricity, heating, goods and passenger transportation.
Copyright: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/; https://doi.org/10.1002/bbb.2649
The network of flexible bioenergy technologies in biomass-related energy conversions
Network of flexible bioenergy technologies and biomass conversion technologies. Four sections are distinguished from left to right along the value chain. Raw materials, intermediate products, energy sources and applications. The raw materials are divided into wet and dry biomass. The intermediate products are subdivided into product gas, biogas and pyrolysis oil. The energy sources are subdivided into liquid fuels, methane and LNG, pellets, biochar, wood chips and stabilized pyrolysis oil. The applications are divided into chemical substances, transportation and mobility, flexible electricity and (stored) heat. An additional arrow indicates that the value chain does not end with the application. CO2 is again a raw material that can be stored or used. CO2 is also produced between the step from intermediate products to energy carriers. Hydrogen from volatile renewables can also be added in this intermediate step. The diagram uses colored arrows to illustrate which supply chains are already established, which are in the demonstration phase, and which are still being developed. Wet biomass via biogas for transportation and electricity is an established chain. So is dry biomass, which is used as pellets or wood chips or through gasification for electricity and heat. Pyrolysis oil, but also liquid fuels from solid biomass for chemical substances or transportation are in the demonstration phase. The use of wet biomass for liquid fuels or for conversion into solid fuels are still underdeveloped supply chains.