Electrochemical Energy Conversion and Storage

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.

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The problem: Sustainable manufacturing of Gen. 4b solid-state batteries (SSBs) with a minimized amount of critical raw materials (Co and Li), and with superior performance and safety is a major challenge in today’s battery research. Lithium-ion battery (LiB) cells with conventional active materials are reaching their limits in terms of energy densities. Also, safety issues arise with the utilization of liquid organic electrolytes which is becoming even more critical with the introduction of advanced materials to increase cell voltage and fast charging rates. Hence, there is an urgent need for the development of innovative scalable manufacturing technologies based on new solid-state electrolytes (SSEs) that can also be combined with metallic lithium at the anode, leading to significantly enhanced energy density.

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).

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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.

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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

1. giving a better experimental understanding of the hydrogen absorption into palladium nanoparticles in a fuel cell setup, using electrochemical characterization techniques;
2. studying the isotope effect by changing the dihydrogen supply to deuterium;
3. designing the Seebeck calorimeters and conducting the calorimetric studies. 

The project is funded by the European Union’s Horizon 2020 research and innovation programme.

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The scientific goal of the HydrogenLung action is to accelerate mass diffusion for Hydrogen oxidation reaction (HOR: H₂ →2H⁺) by modifying superhydrophilic Pt@N-WC nanoarray electrode with lung-like multistage aerophilic gas channels (MAGC). As the gas diffusion step determines the rate of most HOR, the specific structure will accelerate the reaction with great promise. By developing new wettability structure and verifying its effect on HOR, we will offer a method to accelerate mass transfer for all gas-consuming triphase catalysis. This scientific action involves both fundamental research of HOR and applied research of hydrogen fuel cell. It is an interdisciplinary study between chemistry (electrochemistry) and physics (surface physics).

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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.
 

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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.
 

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The HiQ-CARB funding project aims to provide new carbons with superior performance and a low carbon footprint for lithium-ion batteries in Europe. Carbon is needed in batteries to improve the electronic conductivity of the cathodes and helps achieve fast charge and discharge rates. In HiQ-CARB, the carbon black is replaced by a new and more environmentally friendly acetylene black. For the project, high-purity conductive additives and high-quality carbon nanotubes are being developed and produced by the leading European material producers. The developed high quality carbon additives and carbon nanotubes will be used for the production of the high energy and high-performance cathodes. CUSTOMCELLS® will use the developed carbon additives to scale up electrode manufacturing and produce pilot cells with high power density and high energy density.
The project team of HiQ-CARB includes companies Arkema (France), Custom Cells (Germany) and Orion Engineered Carbons (Germany). Fraunhofer Institute for Silicate Research ISC, Aalto University and the University of Bordeaux are involved in the scientific part of evaluation and testing of the new material combinations and the battery cells made from them. The HiQ-CARB project receives EU funding from EIT Raw Materials to scale up and validate these important battery materials.

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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.

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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.

New readily recyclable nanostructured catalysts comprising of abundant raw materials are developed and assessed. These materials have potential to replace critical platinum group metals (PGM) based catalysts in several existing and emerging processes including synthesis used in chemical industry and biofuel synthesis and energy conversion. To achieve this we used modelling to gain fundamental understanding of the limiting steps of the investigated reactions on the novel nanostructured materials synthetized using unique methods developed by us. The modelling results were interlinked with investigation of structure and catalytic activity of these materials to give guidelines for the further research. A rather broad selection of reactions was investigated because of the importance of this field.

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.

This project unites several global contributors in the field, sharing the same target: developing PGM-free and ultra-low-platinum MEAs that will comprise the hearts of electrolysers and fuel cells. (While the former device is designed to store intermittent solar and wind energy in hydrogen gas, the latter will release the energy by oxidizing the gas whenever needed.) Aalto contributes strongly to both the synthesis and the characterization of the desired electrocatalysts for the pertinent electrochemical reactions.

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The aim of the project is to train young researchers in all scientific and technological aspects of the storage of renewable electricity into fuels and chemicals.  The scientific aim is to develop and upscale novel catalysts meeting specific activity and selectivity targets for oxygen evolution and CO2 reduction. The involvement of two industrial partners ensures rapid application of the fundamental science in electrochemical technology.

Read more about ELCOREL project