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Joakim Ekspong
Contact
E-mail
joakim.ekspong@umu.se
Phone
Works at
Affiliation
Affiliated as other position at
Department of Physics
Location
Fysikhuset, plan 3, Linnaeus väg 24, FA326
Umeå universitet, 901 87 Umeå
Publications
Publications
Research
Research
2023
Recent progress on defect-rich electrocatalysts for hydrogen and oxygen evolution reactions
Nano Today
, Elsevier 2023, Vol. 50
Perivoliotis, Dimitrios K.; Ekspong, Joakim; Zhao, Xue; et al.
2021
Magnetically Collected Platinum/Nickel Alloy Nanoparticles as Catalysts for Hydrogen Evolution
ACS Applied Nano Materials
, American Chemical Society (ACS) 2021, Vol. 4, (12) : 12957-12965
Ekeroth, Sebastian; Ekspong, Joakim; Perivoliotis, Dimitrios K.; et al.
2021
Electrocatalysts for sustainable hydrogen energy: disordered and heterogeneous nanomaterials
Umeå: Umeå Universitet 2021
Ekspong, Joakim
2021
Solar-driven water splitting at 13.8 % solar-to-hydrogen efficiency by an earth-abundant PV-electrolyzer
ACS Sustainable Chemistry and Engineering
, American Chemical Society (ACS) 2021, Vol. 9, (42) : 14070-14078
Ekspong, Joakim; Larsen, Christian; Stenberg, Jonas; et al.
2020
Theoretical Analysis of Surface Active Sites in Defective 2H and 1T ' MoS2 Polymorphs for Hydrogen Evolution Reaction: Quantifying the Total Activity of Point Defects
Advanced Theory and Simulations
, Wiley-VCH Verlagsgesellschaft 2020, Vol. 3, (3)
Ekspong, Joakim; Gracia-Espino, Eduardo
2020
Hydrogen Evolution Reaction Activity of Heterogeneous Materials: A Theoretical Model
The Journal of Physical Chemistry C
, American Chemical Society (ACS) 2020, Vol. 124, (38) : 20911-20921
Ekspong, Joakim; Gracia-Espino, Eduardo; Wågberg, Thomas
2020
Solid-state synthesis of few-layer cobalt-doped MoS
2
with CoMoS phase on nitrogen-doped graphene driven by microwave irradiation for hydrogen electrocatalysis
RSC Advances
, Royal Society of Chemistry 2020, Vol. 10, (56) : 34323-34332
Fan, Junpeng; Ekspong, Joakim; Ashok, Anumol; et al.
2020
Microwave-Induced Structural Ordering of Resilient Nanostructured L1
0
-FePt Catalysts for Oxygen Reduction Reaction
ACS Applied Energy Materials
, American Chemical Society (ACS) 2020, Vol. 3, (10) : 9785-9791
Sandström, Robin; Gracia-Espino, Eduardo; Annamalai, Alagappan; et al.
2019
Stainless Steel as A Bi-Functional Electrocatalyst – A Top-Down Approach
Materials
, MDPI 2019, Vol. 12, (13)
Ekspong, Joakim; Wågberg, Thomas
2019
Evaluation of Fluorine and Sulfonic Acid Co-functionalized Graphene Oxide Membranes in Hydrogen Proton Exchange Membrane Fuel Cell Conditions
Sustainable Energy & Fuels
, Royal Society of Medicine Press 2019, Vol. 3, (7) : 1790-1798
Sandström, Robin; Annamalai, Alagappan; Boulanger, Nicolas; et al.
2019
Oxidatively Induced Exposure of Active Surface Area during Microwave Assisted Formation of Pt
3
Co Nanoparticles for Oxygen Reduction Reaction
RSC Advances
, Royal Society of Chemistry 2019, Vol. 9, (31) : 17979-17987
Sandström, Robin; Ekspong, Joakim; Gracia-Espino, Eduardo; et al.
2018
Catalytic nanotruss structures realized by magnetic self-assembly in pulsed plasma
Nano Letters
, American Chemical Society (ACS) 2018, Vol. 18, (5) : 3132-3137
Ekeroth, Sebastian; Münger, E. Peter; Boyd, Robert; et al.
2018
Surface activation of graphene nanoribbons for oxygen reduction reaction by nitrogen doping and defect engineering: An ab initio study
Carbon
, Elsevier 2018, Vol. 137 : 349-357
Ekspong, Joakim; Boulanger, Nicolas; Gracia-Espino, Eduardo
2018
Stable Sulfur‐Intercalated 1T′ MoS
2
on Graphitic Nanoribbons as Hydrogen Evolution Electrocatalyst
Advanced Functional Materials
, WILEY-VCH VERLAG GMBH 2018, Vol. 28, (46)
Ekspong, Joakim; Sandström, Robin; Rajukumar, Lakshmy Pulickal; et al.
2018
Fabrication of microporous layer - free hierarchical gas diffusion electrode as a low Pt-loading PEMFC cathode by direct growth of helical carbon nanofibers
RSC Advances
, Royal Society of Chemistry 2018, Vol. 8, (72) : 41566-41574
Sandström, Robin; Ekspong, Joakim; Annamalai, Alagappan; et al.
2016
Stabilizing Active Edge Sites in Semicrystalline Molybdenum Sulfide by Anchorage on Nitrogen-Doped Carbon Nanotubes for Hydrogen Evolution Reaction
Advanced Functional Materials
, Wiley-VCH Verlagsgesellschaft 2016, Vol. 26, (37) : 6766-6776
Ekspong, Joakim; Sharifi, Tiva; Shchukarev, Andrey; et al.
2015
Hydrogen Fuel from Water - An Advanced Electrocatalyst based on Nitrogen doped Carbon Nanotubes
Ekspong, Joakim
Magnetically collected platinum/nickel alloy nanoparticles – insight into low noble metal content catalysts for hydrogen evolution reaction
Ekspong, Joakim; Ekeroth, Sebastian; Sharma, Sachin; et al.
View publications in DiVA
Research groups
Group member
Thomas Wågberg lab
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