Electrochemical Energy Conversion

Meeting the production and consumption of electrical energy is one of the major societal and technological challenges when increasing portion of the electricity production is based on intermittent renewable sources, such as solar and wind power.
Aalto University/Electrochemical Energy Conversion and Storage

Electrochemical energy storage can be one solution for this problem. Moreover, increase in usage of off-grid portable devices and electrifying traffic increase 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.

Our research highlights include:

Development of novel nanomaterials for catalysis through a novel CVD synthesis method for the growth of carbon encapsulated transition metal nanoparticles (CEMNs) decorated on carbon nanotubes (CNTs).

http://onlinelibrary.wiley.com/doi/10.1002/anie.201411450/full

Novel electrochemical modification of transition metal nanoparticles, and carbon nanomaterials for synthesizing active catalysts for OER.

http://pubs.rsc.org/en/Content/ArticleLanding/2016/TA/C6TA01472K#!divAbstract

Novel synthesis of pseudo atomic-scale Pt catalyst materials decorated on carbon nanotubes for catalytic applications.

http://pubs.acs.org/doi/abs/10.1021/acscatal.7b00199

The CREATE Project

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.

http://www.create-energy-h2020.eu/

The ELCOREL project

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.

http://elcorel.org/

The DEMEC Project

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 is 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) is realized in close collaboration between groups specialized in modelling, materials synthesis and electrocatalysis.

The DEMEC project is funded by Academy of Finland New Energy Programme.

The SUPER project

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 use 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 are interlinked with investigation of structure and catalytic activity of these materials to give guidelines for the further research. A rather broad selection of reactions will be investigated because of the importance of this field.

The SUPER project is funded by Academy of Finland MISU programme.

Research group members

Fatemeh Davodi

Department of Chemistry and Materials Science
Doctoral Candidate
Olli Sorsa

Olli Sorsa

Department of Chemistry and Materials Science
Doctoral Candidate
Tanja Kallio

Tanja Kallio

Department of Chemistry and Materials Science
Professor (Associate Professor)

Susanne Lindholm

Department of Chemistry and Materials Science
Research Assistant

Syed Ali

Department of Chemistry and Materials Science
Doctoral Candidate
Katja Lahtinen

Katja Lahtinen

Department of Chemistry and Materials Science
Doctoral Candidate

Md Hossain

Department of Chemistry and Materials Science
Doctoral Candidate

Daniel Settipani Ramirez

Department of Chemistry and Materials Science
Doctoral Candidate

Cristina Flox Donoso

Department of Chemistry and Materials Science
Postdoctoral Researcher

Lijun Fan

Department of Chemistry and Materials Science
Visiting Doctoral Candidate

Latest publications

Department of Chemistry and Materials Science, Electrochemical Energy Conversion, Department of Applied Physics

Tailoring electrochemical efficiency of hydrogen evolution by fine tuning of TiO x /RuO x composite cathode architecture

Publishing year: 2019 International Journal of Hydrogen Energy
Department of Chemistry and Materials Science, Electrochemical Energy Conversion, Department of Applied Physics, NanoMaterials

Flexible and Mechanically Durable Asymmetric Supercapacitor Based on NiCo-Layered Double Hydroxide and Nitrogen-Doped Graphene Using a Simple Fabrication Method

Publishing year: 2019 Energy Technology
Department of Chemistry and Materials Science, Electrochemical Energy Conversion

Hydrogen Evolution Research with non-Noble Metal Catalysts and Methanol Electrolysis

Publishing year: 2019
Electrochemical Energy Conversion, Department of Chemistry and Materials Science, Department of Chemistry

Low-temperature aging mechanisms of commercial graphite/LiFePO4 cells cycled with a simulated electric vehicle load profile—A post-mortem study

Publishing year: 2018 Journal of Energy Storage
Electrochemical Energy Conversion, Department of Chemistry and Materials Science, Department of Applied Physics, Surface Science, NanoMaterials

Catalyst Support Effect on the Activity and Durability of Magnetic Nanoparticles

Publishing year: 2018 ACS Applied Materials and Interfaces
Physical Charactristics of Surfaces and Interfaces, Department of Chemistry and Materials Science, Computational Chemistry, Department of Bioproducts and Biosystems, Bio-based Colloids and Materials, Department of Applied Physics, Surface Science, NanoMaterials, Electrochemical Energy Conversion

Experimental and Computational Investigation of Hydrogen Evolution Reaction Mechanism on Nitrogen Functionalized Carbon Nanotubes

Publishing year: 2018 ChemCatChem
Department of Chemistry and Materials Science, Electrochemical Energy Conversion

Activation of commercial Pt/C catalyst toward glucose electro-oxidation by irreversible Bi adsorption

Publishing year: 2018 Journal of Energy Chemistry
Electrochemical Energy Conversion, Department of Chemistry and Materials Science, Department of Applied Physics

Flexible self-powered piezo-supercapacitor system for wearable electronics

Publishing year: 2018 Nanotechnology
Department of Chemistry and Materials Science, Electrochemical Energy Conversion, Physical Chemistry and Electrochemistry

Fundamental Electrochemistry

Publishing year: 2018
Department of Applied Physics, NanoMaterials, Department of Chemistry and Materials Science, Electrochemical Energy Conversion

The electrochemical activity of two binary alloy catalysts toward oxygen reduction reaction in 0.1 M KOH

Publishing year: 2018 JOURNAL OF SOLID STATE ELECTROCHEMISTRY
More information on our research in the Research database.
Research database
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