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  Materials science, ceramics, electrochemistry...

New project granted: m-era.net

24/3/2023

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We have been very fortunate to have receive funding for our project submitted to the m-era.net 2022 call! The project: Defective metal oxides as the next generation of lead-free piezoelectrics for ultrasonic actuators (DEMETRA) has been submitted in collaboration with strong partners: DTU (Vincenzo Esposito - coordinator), CTS Ferroperm - former Meggit, a Danish producer of piezoelectric components, and Federal University of ABC (UFABC) from Brazil! Within this consortium we will push the limits of electrostrictive materials based on ceria to a new level.

​Short abstract for the public (from the m-era.net results document):
Electromechanical smart materials are like muscles that change their size and exert forces under electrical stimuli. They are in sensors and medical devices and are essential for future technologies. Despite their importance, the best-performing material is an old technology: lead-based piezoelectrics, which is highly toxic. A new class of materials, non-classical electrostrictors, have been discovered. These outperform lead-based piezoelectrics and are biocompatible and inexpensive. However, we still need to assess them for "fast" ultrasounds. Objectives: #1: Understand how nonclassical electrostrictors work at the atomic level. #2: Optimise their properties in the ultrasound to prove their industrial competitiveness. Potential applications: Target applications are echo-scan, lab-on-chip, adaptive lenses and ultrasonic manipulators. Impact and potential benefits: We will impact society through industrial innovation and environmental sustainability

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New First TEAM article accepted!

9/3/2023

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Our lastest article, the outcome of Karolina Cysewska's work within the First TEAM project entitled: "Evaluation of electrosynthesized reduced graphene oxide – Ni-, Fe-, Co-based (oxy)hydroxide catalysts toward oxygen evolution reaction" has been accepted to Beilstein Journal of Nanotechnology.
This is the last article in a series concerning the research of electrochemically synthesized layered double hydroxides (LDH). These are very versatile materials showing exceptional oxygen evolution performance.

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KMM-VIN meeting, Brussels 21-22 Feb 2023

22/2/2023

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On 21-22 February we (Karolina, Piotr and myself) have attended, for the first time in-place, to an annual KMM-VIN meeting to network within the Energy and Biomaterials field. It has been a nice event where a lot of discussions took place. Looking forward to its outcomes and to the next year!

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New publication - the effect of ball milling on the OER properties of MnCo2O4 powders

12/2/2023

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Some time ago we have studied in details the effects of ball milling on the oxygen evolution reaction performance on the case of MnCo2O4 spinel, with which we have been working extensively. As we are still relatively new to the OER field, we have carefully analyzed the effects of carbon content, Nafion content and powder milling on the resulting properties.
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The publication has been accepted to Applied Surface Science:
"Tailoring a low-energy ball milled MnCo2O4 spinel catalyst to boost oxygen evolution reaction performance"
Sylwia Pawłowska, Krystian Lankauf, Patryk Błaszczak, Jakub Karczewski, Karolina Górnicka, Grzegorz Cempura, Piotr Jasiński, Sebastian Molin
https://www.sciencedirect.com/science/article/abs/pii/S0169433223003963

This work has been carried out within the FirstTEAM project by Foundation of Polish Science.​
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Visit of Prof. Marco Actis Grande from PoliTo at Gdańsk Tech

2/2/2023

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Thanks to the IDUB - Research University Excellence Initiative within the framework of Einsteinum call, this and next week we are hosting Prof. Marco Actis Grande from Politecnico di Torino, Italy. Prof. Grande is an expert in powder metallurgy and additive manufacturing of metal components. We are looking forward to extend our knowledge and cooperation with PoliTo within the area of porous alloys development.
Today, Prof. Grande gave a seminar to our group today, where also our PhD/PostDocs presented their work.
On Monday, 6th February at 12.00 in NE140 WETI B (building 42) , an open seminar "Stainless steels powders obtained through atomizing: modelling of the process and characterization of the final product" will take place.
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Article about our recent project H2Tech Lab at Gdańsk Tech

1/2/2023

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In December 2022 we have been granted a project within the internal call for hydrogen related projects, funded by the Research University - Excellence Initiative subsidy. 
In collaboration between the Faculty of Chemistry (Dr. Łukasz Gaweł), Faculty of Applied Physics and Mathematics (Prof. Jacek Ryl) and Faculty of Electronics, Telecommunications and Informatics (PI - Sebastian Molin), we have submitted a proposal for development of a prototype anion exchange membrane electrolyser stack.

The project is a part of three connected projects within the H2Tech LAB initiative that aim at developing novel Gdańsk Tech hydrogen related activities and testing infrastructure.

You can read a press realease (EN version) from the Gdańsk Tech website:
​pg.edu.pl/en/news/2023-01/h2tech-lab-laboratory-hydrogen-technologies-interfaculty-laboratory-gdansk-tech

In case of any questions, please contact us. We are open for any research/scientific/commercial collaborations.

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New publication: Further tailoring the MnCo2O4 spinels for OER: the effect of Fe substitution

22/12/2022

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We finish the 2022 with another publication for the First TEAM project published. We have further studied the manganese-cobalt oxide spinels by partial substitution by iron. Great results including work from Solaris (XAS - M. Zając) and from collaboration with AGH (TEM - G. Cempura, FTIR - M. Bik, M. Sitarz).
The combination of the synchrotron XAS and laboratory FTIR spectroscopy methods are very promising for further studies. 

Slowly, we get to know the complex properties of the spinels more and more.

The link to the full version of the article (active for 50 days from 22nd Dec 2022):  
https://authors.elsevier.com/c/1gIDi1HxM4zR1J
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New publication - Microstructural optimization of nanocrystalline LSC oxygen electrode

15/12/2022

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We are very happy to announce our next publication within the First TEAM project has been accepted to ACS Applied Materials and Interfaces journal:
"Tuning Electrochemical Performance by Microstructural Optimization of the Nanocrystalline Functional Oxygen Electrode Layer for Solid Oxide Cells"
Bartosz Kamecki, Grzegorz Cempura, Piotr Jasiński, Sea-Fue Wang, Sebastian Molin
LINK
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New team member

3/10/2022

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We are very happy to welcome Mr. Omid Ekhlasiosgouei from Iran in our group!
​Omid has been admitted to the Doctoral School in the discipline of Materials Engineering.
Omid is an experienced researcher in electrophoretic deposition of YSZ materials for cells, now he will use his expertise for development of advanced protective coatings for steel interconnect.
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New publication - spinels with enhanced glucose sensing properties

11/6/2022

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Within the First-TEAM project, we have been working on (Mn,Co)3O4 based spinels for electrocatalytic applications. In one of the studies we have tested modified spinels for glucose sensing properties. We were able to achieve improved sensitivity by partial substitution of Co by Li in the spinel. 
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    I am a researcher working in materials science, mainly with ceramic materials but also with metallic alloys.
    I focus on deposition techniques (electrophoretic, electrolytic, spray-pyrolysis) and a few different applications (fuel cells, electrolysis).

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