Detail publikačního výsledku

Layered MAX phase electrocatalyst activity is driven by only a few hot spots

NOVCIC, K.; IFFELSBERGER, C.; PUMERA, M.

Originální název

Layered MAX phase electrocatalyst activity is driven by only a few hot spots

Anglický název

Layered MAX phase electrocatalyst activity is driven by only a few hot spots

Druh

Článek WoS

Originální abstrakt

Layered metal carbides, MAX phases, have gained significant interest in the scientific community due to their electrocatalytic and electrochemical properties. Among various MAX phases, Mo2TiAlC2 has driven much attention because of its enhanced electrochemical activity for the hydrogen evolution reaction (HER). So far, the macroscopic HER performance has been investigated by traditional electrochemical techniques such as voltammetry. However, the knowledge of the microscopic electrocatalytic behaviour, i.e., distribution and location of highly active sites for HER is still limited. Herein, the microscopic analysis of the MAX phase microparticles shows that their electrocatalysis is driven by a few particles with an outstanding catalytic activity towards hydrogen evolution. Such observation is of high importance for design and applications of electrocatalysts in general.

Anglický abstrakt

Layered metal carbides, MAX phases, have gained significant interest in the scientific community due to their electrocatalytic and electrochemical properties. Among various MAX phases, Mo2TiAlC2 has driven much attention because of its enhanced electrochemical activity for the hydrogen evolution reaction (HER). So far, the macroscopic HER performance has been investigated by traditional electrochemical techniques such as voltammetry. However, the knowledge of the microscopic electrocatalytic behaviour, i.e., distribution and location of highly active sites for HER is still limited. Herein, the microscopic analysis of the MAX phase microparticles shows that their electrocatalysis is driven by a few particles with an outstanding catalytic activity towards hydrogen evolution. Such observation is of high importance for design and applications of electrocatalysts in general.

Klíčová slova

SCANNING ELECTROCHEMICAL MICROSCOPY; TRANSITION-METAL DICHALCOGENIDES; EDGE SITES; HYDROGEN; MOS2; EVOLUTION; CARBIDE; SECM; VISUALIZATION; GENERATION

Klíčová slova v angličtině

SCANNING ELECTROCHEMICAL MICROSCOPY; TRANSITION-METAL DICHALCOGENIDES; EDGE SITES; HYDROGEN; MOS2; EVOLUTION; CARBIDE; SECM; VISUALIZATION; GENERATION

Autoři

NOVCIC, K.; IFFELSBERGER, C.; PUMERA, M.

Rok RIV

2023

Vydáno

08.02.2022

Nakladatel

ROYAL SOC CHEMISTRY

Místo

CAMBRIDGE

ISSN

2050-7488

Periodikum

Journal of Materials Chemistry A

Svazek

10

Číslo

6

Stát

Spojené království Velké Británie a Severního Irska

Strany od

3206

Strany do

3215

Strany počet

10

URL

https://pubs.rsc.org/en/content/articlelanding/2022/TA/D1TA06419C

BibTex

@article{BUT178664,
  author="Katarina {Novčić} and Christian {Iffelsberger} and Martin {Pumera}",
  title="Layered MAX phase electrocatalyst activity is driven by only a few hot spots",
  journal="Journal of Materials Chemistry A",
  year="2022",
  volume="10",
  number="6",
  pages="3206--3215",
  doi="10.1039/d1ta06419c",
  issn="2050-7488",
  url="https://pubs.rsc.org/en/content/articlelanding/2022/TA/D1TA06419C"
}