The HER process in (Eletro)catalysis

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Presentation transcript:

The HER process in (Eletro)catalysis

Background Well-known Works Detailed Part

Electrolytic Cell Heterogeneous catalysis Homogeneous  catalysis

Hydrogen Evolved Reaction:  Adsorber-reduction Process Compound-desorption Process EC-desorption Process Z. W. Seh et al., Science, 355 (2017)

Some Electro materials: Z. W. Seh et al., Science, 355 (2017)

The structure of MoS2

Flexible Device Corrosion Protection FET Electrode Material Catalysis Adsorbent Y. Yin, J. Han, et al., J Am Chem Soc,7965-72 (2016)

2.Well-known Works

Y. Li, et al., J Am Chem Soc, 7296-9(2011)

L. Wu, et al., Applied Surface Science, 470-477 (2017)

Composite Material For Photocatalysis X. Hu, et al., “Solar Energy Materials and Solar Cells, 108-116 (2017)

J. Deng, et al., Nat Commun, 14430 (2017)

And TMPs J. Kibsgaard, et al., Energy & Environmental Science ,3022-3029 (2015)

Solid Line & Dashed Line Descriptor FeP(Need Further Reasch)

S-vacancies & Strain (by DFT) H. Li, et al., Nat Mater, 364 (2016)

H. Li, et al., Nat Mater, 364 (2016)

H. Li, et al., Nat Mater, 364 (2016)

3.Detailed Part

47nm X 47 nm 6% coverage Rating 400° 23% coverage Rating 550° F. Thomas et al., Science, 317 (2007)

Polarization Curve & Tafel Slope Irrespective of annealing T and coverage

Versus MoS2 coverage edge length Filled circles 550°C Open circles 400°C

MoS2 1.5*1015 site/cm2 7.9*10-6 A/cm2 Volcano Plot (by DFT)

Electroinic coupling between sub and TMD D. Voiry, et al., Nat Mater, 1003-9(2016)

Intercalation

THANKS