Publications de Yun Tong | EPFL Graph Search

Optimized hierarchical nickel sulfide as a highly active bifunctional catalyst for overall water splitting

Rational design of non-noble metal electrocatalysts with high intrinsic activity for both the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) is extremely impressive for sustainable electrocatalytic water splitting systems. However, i ...

2021

Universal Strategy of Bimetal Heterostructures as Superior Bifunctional Catalysts for Electrochemical Water Splitting

Pengzuo Chen, Yun Tong

Utilizing earth-abundant metals to design economical and efficient electrocatalysts for cathodic hydrogen evolution reaction (HER) and anodic oxygen evolution reaction (OER) is critical for acquiring clean hydrogen energy by the electrochemical overall wat ...

AMER CHEMICAL SOC2021

Boosting hydrogen production via urea electrolysis on an amorphous nickel phosphide/graphene hybrid structure

Paul Joseph Dyson, Zhaofu Fei, Lu Chen, Yun Tong

Overall urea electrolysis has favorable thermodynamic properties and can complement traditional water splitting by simultaneously purifying urea-rich waste streams. However, the kinetics of the reaction is slow and more efficient catalysts are required. In ...

SPRINGER2021

Cobalt phosphide nanowires with adjustable iridium, realizing excellent bifunctional activity for acidic water splitting

Pengzuo Chen, Yun Tong

The exploration of highly active bifunctional electrocatalysts for acidic electrochemical water splitting has attracted wide attention due to their importance in polymer electrolyte membrane (PEM) electrolyzers. However, existing catalysts normally suffer ...

ROYAL SOC CHEMISTRY2021

Anchoring single platinum atoms onto nickel nanoparticles affords highly selective catalysts for lignin conversion

Gabor Laurenczy, Paul Joseph Dyson, Zhaofu Fei, Ulf Anders Hagfeldt, Antoine Philippe Van Muyden, Linfeng Pan, Lichen Bai, Lu Chen, Jun Li, Yun Tong

Due to the highly complex polyphenolic structure of lignin, depolymerization without a prior chemical treatment is challenging, and new catalysts are required. Atomically dispersed catalysts are able to maximize the atomic efficiency of noble metals, simul ...

ELSEVIER2021

Trace Iridium Engineering on Nickel Hydroxide Nanosheets as High-active Catalyst for Overall Water Splitting

Pengzuo Chen, Yun Tong

Designing cost-effective electrocatalysts for electrochemical water splitting to generate the hydrogen energy as a future energy source is pivotal. An excellent catalyst should show high catalytic activity for both hydrogen evolution reaction (HER) and oxy ...

Wiley-VCH Verlag2020

Nitrogen-Incorporated Cobalt Sulfide/Graphene Hybrid Catalysts for Overall Water Splitting

Paul Joseph Dyson, Zhaofu Fei, Lu Chen, Pengzuo Chen, Yun Tong

Water electrolysis is an advanced and sustainable energy conversion technology used to generate H-2. However, the low efficiency of the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) hampers the overall water-splitting catalytic perf ...

WILEY-V C H VERLAG GMBH2020

Confinement of fluorine anions in nickel-based catalysts for greatly enhancing oxygen evolution activity

Pengzuo Chen, Yun Tong

Herein, we highlighted fluorine-anion-modification as a useful method for enhancing OER catalytic activity. Fluorine-anion-doped Ni foam exhibits an almost 10-fold enhancement in OER catalytic activity. Moreover, fluorine-anion-modification could be used a ...

Royal Society of Chemistry2020