Contacts: Assistant professor Annukka Santasalo-Aarnio ([email protected]), Project specialist Dr. Arpad Toldy ([email protected]) Contact online >>
Contacts: Assistant professor Annukka Santasalo-Aarnio ([email protected]), Project specialist Dr. Arpad Toldy ([email protected])
Circular design of energy systemsTo ensure that the materials in used for the green energy transition are recoverable and therefore can be considered sustainable, we have two projects on circular design of energy systems. Hyper-sphere is an Academy of Finland project in collaboration with Prof. Rodrigo Serna at the School of Chemical Engineering. In this project, we develop new methods for processing end of life batteries that enable efficient energy and metal recovery. To support this work, our research group is also part of the Nordic5Tec battery network where we have an additional PhD student working with energy harvesting from end-of-life batteries. Additionally, we have another Academy of Finland project ECOSOL where the same eco-design principles are applied to solar cells.
Thermal energy storage materialsThermal storage materials research consists of three different material groups, each with different storage methodology.(i)Thermochemical storage material research focuses on development and modifications of high energy density sorption salts. Substantial amount of heat can be released when water vapor adsorbs into these salts. With this method thermal energy can be stored in principle forever ntacts: Senior scientist Ari Seppälä ([email protected]), Academy post-doc researcher Roza Yazdani ([email protected])
(ii)Cold-crystallization of materials can be exploited for storing heat for several months at cold temperatures. The phenomenon is based on materials of which melt phase can supercool substantially and crystallize by heating. We focus on developing sugar alcohols cross-linked with polymers and testing the new materials in a prototype system ntact: Senior scientist Ari Seppälä ([email protected]), Laboratory manager Konsta Turunen ([email protected])
(iii)Materials for thermal regulation combine the properties of insulation materials and phase change materials. These materials can be exploited, e.g., for keeping different products near constant temperature during transportation ntact: Academy post-doc researcher Roza Yazdani ([email protected])
Electrochemical energy storage can be one solution to theincreasing of the need for electrochemical energy conversion and storage devices .Thus, the Electrochemical Energy Conversion research group investigates and develops materials and devices for these applications. Our aim is to understand functioning of these to improve the existing ones and to develop alternative solutions.
Our research is focused on investigating polymer electrolyte fuel cells (PEFC) and electrolysers as well as lithium ion batteries and supercapacitors and covers synthesis, characterization and integration of new materials. Alongside functionality of the materials and devices, we are interested in their durability and degradation mechanisms as well as optimization of above mentioned technologies for their applications.
Responsible (or sustainable) energy conversion and storage is one of the key issues for large-scale utilization of intermittent renewable energy sources. We want to foster and contribute this energy transition by developing those critical technologies:
Funded by Business Finland, the Next Generation Battery Materials and Concepts project will develop materials and their processing technologies for solid-state lithium batteries (SSLB). The project combines the expertise of multiple Finnish research organizations and private companies.
Read more about NextGenBat project
The SOLiD project aims to create a sustainable and cost-efficient pilot scale manufacturing process for a high energy density, safe and easily recyclable solid-state Li-metal battery (LMB).
Read more about SOLiD project
Electrochemical reduction of CO2 is one possible route to mitigate climate change since it uses the abundant greenhouse gas CO2 as starting material to produce important fuels and chemicals. However, there remains much work to find selective, highly active and robust catalyst materials for larger scale electrochemical CO2 reduction.
In USVA, we aim to develop electrocatalyst materials by using simple synthesis methods, earth-abundant elements and other cheap raw-materials to reduce CO2 into value added chemicals such as formic acid. The focus of the project is to design, synthesize and thoroughly characterize novel electrocatalysts which would express high selectivity and activity towards electrochemical reduction of CO2. We also aim to reveal mechanistic insights into the effects that govern the selectivity and activity of our electrocatalyst materials to further increase our understanding of electrochemical CO2 reduction and to enable rational design of new catalysts.
The project is funded by Jane and Aatos Erkko Foundation.
Read more about the project
To answer the urgent need for carbon-free energy, disruptive options should be considered. The loading of deuterium into palladium-based materials under certain conditions, could result in the production of excess heat, leading to a breakthrough zero-emissions energy generation. The HERMES gathers the expertise from six multidisciplinary European laboratories, focusing on the fundamentals of the palladium-hydrogen system, the synthesis of new, well-controlled, palladium-based materials, and the calorimetric study of the deuterium loading into palladium using Seebeck calorimeters.The contribution from Aalto University aims at
The project is funded by the European Union''s Horizon 2020 research and innovation programme.
Read more about HERMES Project
Read more about Hydrogen Lung Project
Electricity generation based on renewables is unpredictable, but hydrogen (H2) could be a promising energy storage route. Since over 95% of H2 comes from breaking the carbon-hydrogen bond in hydrocarbons, storing hydrogen bound to carbon may provide a long-term solution. However, extracting hydrogen from liquid hydrocarbons includes CO2 emissions. To address this problem, the EU-funded LESGO project aims to store energy in the C-H bond of reduced graphene oxide (rGO-H). The advantages of rGO-H include safe storage, easy transportation, an energy density over 100 times larger than that of H2 gas and no CO2 emissions in the electricity generation process. The project will promote an affordable and eco-friendly means of supplying electrical power on demand where required.
Read more about LESGO project
The BATCircle ecosystem consists of key Finnish research and industrial actors involved in the battery metals sector with a total budget of 22 M€. The ecosystem has been formed under Business Finland''s "Batteries from Finland" program. The cooperation effort is expected to lead to the formation of a domestic battery metals ecosystem that follows the principles of circular economy. One of the important topics of this ecosystem is research on preparation and performance of "precursors and active materials" which are used in the production of electrode materials of lithium ion batteries. This research is conducted by Aalto University, University of Oulu, University of Eastern Finland and GTK Geological Survey of Finland.
Read more about BATCircle
Read more about HiQ-CARB
Hydrogen business is increasing rapidly at the EU level and globally, and Finnish companies are figuring out their roles in this market. These companies need to build new competencies to develop their product and service portfolio to enter the global market with competitive and value-creating offerings. FinH2 will support the target by providing critical up-to-date knowledge and hands-on experience from the whole hydrogen value chain, from materials and components to system integration and hydrogen utilization. The export potential for Finland in electrolyzer technology is significant and estimated to be 3 B€ annually in 2030.
New electrocatalysts enabling storing of electrical energy into chemical compounds, e.g. hydrogen, and regeneration of electricity are designed, synthesized and investigated in a rational manner. The aim was to design and develop new low cost electrocatalysts for readily scalable and integrable hydrogen energy conversion technology. These materials are free of PGMs categorized as critical raw materials by EU. Catalyst material optimization (rational design) was realized in close collaboration between groups specialized in modelling, materials synthesis and electrocatalysis.
The DEMEC project was funded by Academy of Finland New Energy Programme.
The SUPER project was funded by Academy of Finland MISU programme.
The ever-expanding demand for renewable energy spotlights electrochemical prowess. Feasible technologies for generating and storing green power have already entered the market. However, they rely heavily on critical raw materials such as cobalt in batteries and scarce platinum-group metals (PGM) in electrochemical converters, which inhibits large-scale deployment in the long term.
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