Laboratory for ElectroCatalysis

Laboratory for ElectroCatalysis is a research group studying materials for renewable energy conversion and sustainable metal recycling. Using advanced techniques we are making exciting discoveries about electrocatalyst behavior at the level of atoms!

Operating as usual

Reconstruction of Copper Nanoparticles at Electrochemical CO2 Reduction Reaction Conditions Occurs via Two‐step Dissolution/Redeposition Mechanism 15/06/2021

Reconstruction of Copper Nanoparticles at Electrochemical CO2 Reduction Reaction Conditions Occurs via Two‐step Dissolution/Redeposition Mechanism

Congrats to Stefan Стефан Поповић for the clever use of IL-SEM to provide proof for the reconstruction mecanism of copper CO2 redcution electrocatalyst. Thanks also to Armin Hrnjić for graphics! #electrocatalysis, #ILSEM, #copper, #CO2RR, #electrolyzers

Reconstruction of Copper Nanoparticles at Electrochemical CO2 Reduction Reaction Conditions Occurs via Two‐step Dissolution/Redeposition Mechanism Click or tap to learn more.

High-surface-area organic matrix tris(aza)pentacene supported platinum nanostructures as selective electrocatalyst for hydrogen oxidation/evolution reaction and suppressive for oxygen reduction reaction 07/06/2021

High-surface-area organic matrix tris(aza)pentacene supported platinum nanostructures as selective electrocatalyst for hydrogen oxidation/evolution reaction and suppressive for oxygen reduction reaction

Check out this amazing Pt catalyst support material from John and Svit (battery guys). Thanks to all co-authors for (especially Milutin Smiljanic for leading) this nice collaboration and some out-of-the-box thinking. Side projects like this are usually the best!

High-surface-area organic matrix tris(aza)pentacene supported platinum nanostructures as selective electrocatalyst for hydrogen oxidation/evolution reaction and suppressive for oxygen reduction reaction Developing a Pt-based electrocatalytic material able to selectively catalyze hydrogen oxidation (HOR) while supressing oxygen reduction (ORR) is benef…

Vodikova ekonomija in zelena prihodnost 03/06/2021

Vodikova ekonomija in zelena prihodnost

Are you interested in what we are doing in the labs? ...and why. Watch this video! #hydrogen #hydrogeneconomy #greenfuture #electrocatalysis #fuelcells #electrolyzers #platinum #iridium

PS: as you see we are also very good at acting in videos

Vodikova ekonomija in zelena prihodnost

Observing, tracking and analysing electrochemically induced atomic-scale structural changes of an individual Pt-Co nanoparticle as a fuel cell electrocatalyst by combining modified floating electrode and identical location electron microscopy 25/05/2021

Observing, tracking and analysing electrochemically induced atomic-scale structural changes of an individual Pt-Co nanoparticle as a fuel cell electrocatalyst by combining modified floating electrode and identical location electron microscopy

Happy to show you our latest paper here we show how we push IL-TEM even further. Bravo Armin, Rebeka, Andraž and Francisco, and everybody else. Looking forward of using this method on new systems

Observing, tracking and analysing electrochemically induced atomic-scale structural changes of an individual Pt-Co nanoparticle as a fuel cell electrocatalyst by combining modified floating electrode and identical location electron microscopy Upon exposure to an electrochemical environment, structural properties of nanoparticulate electrocatalysts at the atomic scale are not stagnant but ra…

16/04/2021

The first peek into the new lab/offices at Kemijski inštitut . 🤩

The first peek into the new lab/offices at Kemijski inštitut . 🤩

19/02/2021

Z vodikom v brezogljično prihodnost?

See Anja and Armin in action! We are not just scientist but also actors :) Proud of Anja and Armin for a great job. And thank you
Evropska komisija v Sloveniji for the opportunity. And of course European Research Council for believing in us!

Resolving the nanoparticles' structure-property relationships at the atomic level: a study of Pt-based electrocatalysts 12/02/2021

Resolving the nanoparticles' structure-property relationships at the atomic level: a study of Pt-based electrocatalysts

See our flagship paper where we showcase what we can do. Really nice work everybody!

Resolving the nanoparticles' structure-property relationships at the atomic level: a study of Pt-based electrocatalysts Achieving highly active and stable oxygen reduction reaction performance at low platinum-group-metal loadings remains one of the grand challenges in t…

Slovenski znanstvenik prejel ERC sredstva za projekt s področja vodikovih gorivnih celic 21/01/2021

Slovenski znanstvenik prejel ERC sredstva za projekt s področja vodikovih gorivnih celic

More self-promotion... Nevertheless, we are excited to start this project in March!

Slovenski znanstvenik prejel ERC sredstva za projekt s področja vodikovih gorivnih celic Evropska Unija se je v t. i. zelenem dogovoru zavezala, da bo do leta 2050 dosegla podnebno nevtralnost. Dr. Nejc Hodnik s Kemijskega inštituta meni, da je eden izmed odgovorov na vprašanje, kako to doseči čista energija oz. vodikova ekonomija.

07/01/2021

We are highlighted by ERC!!!👍🥳

#Cleanenergy production is a key part of achieving a climate-neutral society by 2050, but a commonly used related fuel cell technology requires the use of expensive and scarce platinum. With ERC Starting Grant funding, Nejc Hodnik at the 🇸🇮Kemijski inštitut has already found a way to cut Pt use by 50%. With his new #ERCPoC, Prof Hodnik and his team, including Matija Gatalo and Tomaz Bizjak, will now explore how to market this innovation. Find out more ➡️http://bit.ly/StableCat

Evropska komisija v Sloveniji

#Electrocatalysis #PEMFCs

07/01/2021

Thanks to Matija Gatalo and Tomaž Bizjak we are pushing the ElectroCat catalyst synthesis activities TRL up and testing its commercial value. Thanks, European Research Council🤩

Dr. Nejc Hodnik pridobil European Research Council PoC Grant 👏
Projekt 'StableCat' je namenjen prvim korakom h komercializaciji postopka proizvodnje naprednejših katalizatorjev za vodikove gorivne celice. V ekipi tudi dr. Matija Gatalo in Tomaž Bizjak. Več > http://bit.ly/HodnikERCPoc #ERCPoC Čestitke!

07/01/2021

Kemijski inštitut

Raziskuje katalizatorje, presevni elektronski mikroskop je njegov najljubši kos raziskovalne opreme, na kavo bi šel z Elonom Muskom, s potjo na Mars pa bi še malce počakal. Tako pripoveduje naš sodelavec dr. Matija Gatalo, več pa v današnjem Delo. 😉

pubs.acs.org 06/01/2021

Electrochemical Stability and Degradation Mechanisms of Commercial Carbon-Supported Gold Nanoparticles in Acidic Media

First paper of 2021 - here we gooo! See how gold nanoparticles behave/degrade when cycled. Congrats Milutin Smiljanic!

pubs.acs.org Electrochemical stability of a commercial Au/C catalyst in an acidic electrolyte has been investigated by an accelerated stress test (AST), which consisted of 10,000 voltammetric scans (1 V/s) in the potential range between 0.58 and 1.41 VRHE. Loss of Au electrochemical surface area (ESA) during the...

pubs.acs.org 30/12/2020

Effect of the Morphology of the High-Surface-Area Support on the Performance of the Oxygen-Evolution Reaction for Iridium Nanoparticles

We squeezed another paper in 2020. This one is also a part of a fruitful collaboration with IJS (Luka) lead by Marjan! And we are also starting to add Raman to our characterization arsenal (Thanks Angelja) :)

pubs.acs.org The development of affordable, low-iridium-loading, scalable, active, and stable catalysts for the oxygen-evolution reaction (OER) is a requirement for the commercialization of proton-exchange membrane water electrolyzers (PEMWEs). However, the synthesis of high-performance OER catalysts with minima...

nature.com 22/12/2020

Identification of durable and non-durable FeNx sites in Fe–N–C materials for proton exchange membrane fuel cells

Another huge congrats to our Goran for the 🤩amazing paper!
https://www.nature.com/articles/s41929-020-00545-2#article-info

nature.com Fe–N–C materials are a promising alternative to platinum for catalysing the oxygen reduction reaction in acidic polymer fuel cells. Now, a 57Fe Mössbauer study reveals that while these catalysts initially comprise two distinct FeNx sites, a high-spin FeN4C12 and a low- or intermediate-spin FeN4...

16/12/2020

And there is more from Dr. Gatalo :)
Congrats on the award!

Dobitniki prestižne Preglove nagrade za izjemno doktorsko delo v letu 2020 so dr. Sara Drvarič Talian, dr. Matija Gatalo in dr. Tina Škorjanc. Iskrene čestitke! 👏👏👏 Več > https://bit.ly/3oPXpsa #Preglovenagrade

28/11/2020

🥳

And now, the moment we’ve all been waiting for:
🏆 The winners of the EIT Jumpstarter 2020 competition are unveiled, the most promising start-ups were selected in the EIT Jumpstarter Grand Final!
🚀 Congratulations to Drone Plan, GasTrade, Smarth-Prop, UCO waste management system, Coffeco, Relicta - Innovation of Packaging, Meterscope, Etern+, Fetalix, MMD3D, Axodynamic, VocDec, Recatalyst, CMS, ZincO, Flameless, Horizer, Parity Platform, AIRIO, BUTMA, ArcLubOne, Laser Street, Tumultum and NCELLUM 👏🏻👏🏻👏🏻

During the virtual event the best 36 start-ups of the competition showed their business ideas related to 6 key sectors: Health, Food, Raw Materials, Energy, Manufacturing and Urban Mobility, to the potential investors and jury of experts. The best projects were awarded cash prizes in the total amount of EUR 162 000 🔥

1st place: 10.000 €
2nd place: 7.000 €
3rd place: 5.000 €
Impact Prize: 5.000 €

If you missed the Grand Final, no worries, the event was recorded 🎥
Just go to your registration link and catch up with the finalists 🥳

EIT - European Institute of Innovation and Technology EIT Health EIT Health InnoStars EIT Food EIT Urban Mobility EIT InnoEnergy EIT Manufacturing EIT RawMaterials

27/11/2020

Noč ima svojo moč

Forgot to post this! Here is our Dr. Gatalo telling you what he does.

[ 🎬 Spoznajte raziskovalca 👨‍🔬 ]
❓ S čim se ukvarja in kaj raziskuje?
❕ Na vprašanje nam je odgovoril raziskovalec s Kemijskega inštituta.

➡ Če vas zanima raziskovanje, raziskovalci, zanimivi poskusi, se nam 27. novembra pridružite na vseslovenskem dogodku 👉 @Noč ima svojo moč! 🌒
➡ Pred tem sodelujte v projektu znanosti za državljane in nam pomagajte spremljati zdravje divjih kostanjev 👉 https://www.nocmoc.eu/ 🌳
➡ Oglejte si še druge posnetke na YouTube kanalu Noč ima svojo moč: https://www.youtube.com/channel/UCWe_Jh-cwzX7Of3ghg5b3xQ

#ern #nocmoc #nocimasvojomoc #mscaNIGHT Hiša eksperimentov Kemijski inštitut Institut "Jožef Stefan" Nacionalni inštitut za biologijo Tehniški muzej Slovenije

27/11/2020

Noč ima svojo moč

We are also a part of European Researchers’ Night 2020! Today!

[DANES]
Program: https://program.nocmoc.eu/

Čakajo vas spletne dogodivščine, eksperimentiranje, klepet z raziskovalci, ogledi raziskovalnih ustanov, predavanja o aktualnih temah, pa razstave in celo virtualni koncert!

#ern #EuropeanResearchersNight #nocmoc #nocimasvojomoc #mscaNIGHT #ERN20

Hiša eksperimentov Tehniški muzej Slovenije Kemijski inštitut Institut "Jožef Stefan"Nacionalni inštitut za biologijo

26/11/2020

Congratulations to Dr. Matija Gatalo and Tomaž Bizjak for winning another prize :) This time it is European EIT 2020 Jumpstarter! More info coming soon! Now we 🥳

24/11/2020

Here are some nice desktop background renders from our recent publication. Enjoy! https://pubs.acs.org/doi/10.1021/acscatal.0c03688

iopscience.iop.org 20/11/2020

Modified Floating Electrode Apparatus for Advanced Characterization of Oxygen Reduction Reaction Electrocatalysts - IOPscience

Huge congrats and thanks to Armin and Primož for giving us this new methodology enabling high current densities and electron microscopy analysis of electrocatalysts. More info in the paper... #ERC #123STABLE #ElectroCat

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15/11/2020

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Check out our new publication in collaboration with colleagues from IJS! Congrats to everybody. More is coming!

pubs.acs.org

pubs.acs.org 23/10/2020

ACS Applied Nano Materials | Vol 3, No 10

We got another cover! Check it out (the one on the right). :)

pubs.acs.org The incessant transitions occurring in a cancer cell in response to cancer therapy have put forth a lot of irreversible consequences, eventuating a high mortality rate. This upsurge in morbidity and fatality is rationalized by the unilateral modes of conventional treatment regimens such as chemother...

01/10/2020

Laboratory for ElectroCatalysis's cover photo

30/09/2020

Laboratory for ElectroCatalysis's cover photo

21/09/2020

2020 Efcats Summer School

Listen to Dr. Matija Gatalo's😎 conference talk on the topic of Pt-alloy fuel cell electrocatalysts.

pubs.acs.org 18/09/2020

Unveiling Oxygen Vacancy Superstructures in Reduced Anatase Thin Films

Again, congrats Goran! :)

pubs.acs.org Oxygen vacancies are known to play a crucial role in tuning the physical properties and technological applications of titanium dioxide TiO2. Over the last decades, defects in substoichiometric TiO2 have been commonly associated with the formation of TinO2n–x Magnéli phases, which are extended pla...

pubs.acs.org 18/09/2020

Stable, Active, and Methanol-Tolerant PGM-Free Surfaces in an Acidic Medium: Electron Tunneling at Play in Pt/FeNC Hybrid Catalysts for Direct Methanol Fuel Cell Cathodes

Congrats Goran!

pubs.acs.org PGM-free catalysts have high initial activity for O2 reduction reaction, but they suffer from low stability in acid medium in proton exchange membrane fuel cells (PEMFC) and direct methanol fuel cells (DMFC). Here, we shed light on the atomic-scale structure of hybrid Pt/FeNC catalysts (1–2 wt %...

pubs.acs.org 07/09/2020

Assembly of Pt Nanoparticles on Graphitized Carbon Nanofibers as Hierarchically-Structured Electrodes

Another great collaboration. It however took some time to get it out. But we are super excited as this is opening up new opportunities in our studies!
This time we worked with our Italian colleagues who are experts in electrospinning. Many thanks for hosting us in two beautiful historic center Lecce and Pisa.

pubs.acs.org Carbon-based nanofibers decorated with metallic nanoparticles as hierarchically-structured electrodes offer significant opportunities for use in low-temperature fuel cells, electrolyzers, flow and air batteries, and electrochemical sensors. We present a facile and scalable method for preparing nanos...

pubs.acs.org 22/08/2020

Atomistic Insights into the Stability of Pt Single Atom Electrocatalysts

Check out our recent collaboration with the guys from Erlangen HIERN (http://hi-ern.de/hi-ern/EN/home.html) and Korea. Glad to be a part of this great study!

pubs.acs.org Single-atom catalysts (SACs) have quickly emerged as a new class of catalytic materials. When confronted with classi-cal carbon-supported nanoparticulated catalysts (Pt/C), SACs are often claimed to have superior electrocatalytic prop-erties, e.g. stability. In this study, we critically assess this....

iopscience.iop.org 27/07/2020

The Importance of Temperature and Potential Window in Stability Evaluation of Supported Pt-Based Oxygen Reduction Reaction Electrocatalysts in Thin Film Rotating Disc Electrode Setup - IOPscience

❗️New ElectroCat paper❗️
This time we are presenting our new methodology that enables precise studying of electrocatalysts at elevated temperatures, bringing important insight into a better understanding of their (in)stability. 🤓

#PEMFC #FuelCell #hydrogen #catalysts #ElectroCat

iopscience.iop.org If you have a user account, you will need to reset your password the next time you login. You will only need to do this once. Find out more.

tromba.si 19/06/2020

Izr. prof. dr. Nejc Hodnik, dobitnik ERC projekta, 2019, KI | Tromba

In a new interview, Dr. Hodnik spoke to Tromba about electrification of our society based on renewable hydrogen technology and circular economy.

See the full interview (in Slovene):
http://www.tromba.si/izr-prof-dr-nejc-hodnik-dobitnik-erc-projekta-2019-ki/

tromba.si Posted on 17.06.20 in Featured, Galerije, Inštituti, Video Izr. prof. dr. Nejc Hodnik, dobitnik ERC projekta, 2019, KI Slovenski znanstveniki v zadnjih letih izkazujejo vse več mednarodne uspešnosti, kar se kaže tudi v pridobivanju najprestižnejših projektov, kamor sodijo projekti Evropskega r...

10/06/2020

Freshly out of the box and eager to start working very soon 💪🤓 #ECMS #ElectrochemicalMassSpectrometry

09/06/2020

Something BIG arrived at our lab today ...😁😁 What's hiding in all the boxes? Get a sneak peek tomorrow ... 😎
#ECMS #Electrochemistry #MassSpectrometry

onlinelibrary.wiley.com 05/06/2020

Stability and degradation mechanisms of copper‐based catalysts for electrochemical CO2 reduction

⚡️Electricity⚡️ is used to electrochemically transform CO2 into high-value products like hydrocarbons and alcohols. The best material to catalyze these reactions are 🔸nanoparticles of copper🔸 But like any material, they change and degrade over time.

What are the mechanisms of degradation and how to slow it down? Stefan and other ElectroCats discuss this in a new mini-review together with colleagues from EPFL.

Well done! 👏👏

onlinelibrary.wiley.com Up to date, copper is the only monometallic catalyst that can electrochemically reduce CO2 into high value and energy‐dense products, such as hydrocarbons and alcohols. In recent years, great effort...

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