Bimetallic CoFeP hollow microspheres as highly efficient bifunctional electrocatalysts for overall water splitting in alkaline media
Source abstract
Abstract
Abstract The ingenious design and synthesis of bifunctional electrocatalysts with high activity and robust stability for hydrogen evolution reaction and oxygen evolution reaction (HER and OER) is desirable and challenging. Herein, bimetallic phosphides CoFeP with hollow microspheres structure has been synthesized through a facile gas phosphorization as bifunctional electrocatalyst for overall water splitting. SEM and TEM demonstrate the formation of uniform hollow microspheres of CoFeP. The hollow structure of CoFeP is helpful to increase the exposed actives and the larger contact surface with electrolyte. The bimetallic composites can provide the better intrinsic activity. Compared with single metallic phosphides CoP and FeP, the obvious enhancement of electrocatalytic performances of CoFeP can be observed. The electrochemical results show that the bimetallic CoFeP hollow microspheres only have the lower overpotential of 177 and 350 mV (vs. RHE) to drive a current density of 10 mA cm−2 for HER and OER, respectively. The reasons may be due to the hollow nanostructure and the synergistic effect from bimetallic phosphides. This work provides a facile and effective way to design excellent phosphides electrocatalysts for water splitting based on gas phosphorization of bimetallic oxides precursors.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Electrocatalysts for Energy Conversion · Advanced battery technologies research · Advanced Photocatalysis Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (48)
Show source-provided references
1. Synergetic transformation of solid inorganic-organic hybrids into advanced nanomaterials for catalytic water splitting10.1021/acs.accounts.8b00193 ↗
2. Innovative strategies for electrocatalytic water splitting10.1021/acs.accounts.8b00002 ↗
3. In-situ electrochemical activation designed hybrid electrocatalysts for water electrolysis10.1016/j.scib.2018.05.014 ↗
4. Electrocatalytic and photocatalytic hydrogen evolution integrated with organic oxidation10.1039/C8CC01830H ↗
5. Rational design of graphitic carbon based nanostructures for advanced electrocatalysis10.1039/C6TA01657J ↗
6. Porous core-shell N-doped Mo2C@C nanospheres derived from inorganic-organic hybrid precursors for highly efficient hydrogen evolution10.1016/j.jcat.2018.01.023 ↗
7. In situ sulfurized CoMoS/CoMoO4 shell–core nanorods supported on N-doped reduced graphene oxide (NRGO) as efficient electrocatalyst for hydrogen evolution reaction10.1039/C6TA10284K ↗
8. A multisite strategy for enhancing the hydrogen evolution reaction on a nano-Pd surface in alkaline media,
9. Mesoporous Ag-doped Co3O4 nanowire arrays supported on FTO as efficient electrocatalysts for oxygen evolution reaction in acidic media10.1016/j.renene.2017.12.003 ↗
10. A highly active, nonprecious electrocatalyst comprising borophene subunits for the hydrogen evolution reaction10.1021/jacs.7b06337 ↗
11. Highly efficient and durable water oxidation in a near-neutral carbonate electrolyte electrocatalyzed by a core–shell structured NiO@Ni–Ci nanosheet array10.1039/C7SE00218A ↗
12. Improving the activity of CoxP nanoparticles for the electrochemical hydrogen evolution by hydrogenation10.1039/C6SE00058D ↗
13. Electrocatalysis of layered Group 5 metallic transition metal dichalcogenides (MX2, M = V, Nb, and Ta; X = S, Se, and Te)10.1039/C6TA05110C ↗
14. Novel CoxSy/WS2 nanosheets supported on carbon cloth as efficient electrocatalyst for hydrogen evolution reaction10.1016/j.ijhydene.2016.10.109 ↗
15. Templated electrochemical fabrication of hollow molybdenum sulfide microstructures and nanostructures with catalytic properties for hydrogen production10.1021/acscatal.6b00910 ↗
16. Nitrogen doped MoS2 nanosheets synthesized via a low-temperature process as electrocatalysts with enhanced activity for hydrogen evolution reaction10.1016/j.jpowsour.2017.04.060 ↗
17. Directional construction of vertical nitrogen doped 1T–2H MoSe2/graphene shell/core nanoflake arrays for efficient hydrogen evolution reaction10.1002/adma.201700748 ↗
18. Activating MoS2/CNs by tuning (001) plane as efficient electrocatalysts for hydrogen evolution reaction10.1016/j.ijhydene.2016.10.145 ↗
19. Single-atom Au/NiFe layered double hydroxide electrocatalyst: probing the origin of activity for oxygen evolution reaction10.1021/jacs.8b00752 ↗
20. Enhancing oxygen evolution reaction at high current densities on amorphous-like Ni-Fe-S ultrathin nanosheets via oxygen incorporation and electrochemical tuning10.1002/advs.201600343 ↗
21. In-situ confined synthesis of molybdenum oxide decorated nickel-iron alloy nanosheets from MoO42- intercalated layered double hydroxides for oxygen evolution reaction10.1039/C6TA08149E ↗
22. Bimetal-organic framework derived CoFe2O4/C porous hybrid nanorod arrays as high-performance electrocatalysts for oxygen evolution reaction10.1002/adma.201604437 ↗
23. Trimetallic Ni-Fe-Co selenides nanoparticles supported on carbon fiber cloth as efficient electrocatalyst for oxygen evolution reaction10.1016/j.ijhydene.2017.06.219 ↗
24. Template-grown MoS2 nanowires catalyze the hydrogen evolution reaction: ultralow kinetic barriers with high active site density10.1021/acscatal.7b01595 ↗
25. Oxygen evolution reaction dynamics monitored by an individual nanosheet-based electronic circuit
26. Ternary NiCoP nanosheet arrays: an excellent bifunctional catalyst for alkaline overall water splitting10.1007/s12274-016-1112-z ↗
27. Homologous metal-free electrocatalysts grown on three-dimensional carbon networks for overall water splitting in acid and alkaline media10.1039/C6TA04426C ↗
28. Ternary nickel–iron sulfide microflowers as a robust electrocatalyst for bifunctional water splitting10.1039/C7TA04438K ↗
29. Organic-inorganic hybrids-directed ternary NiFeMoS anemone-like nanorods with scaly surface supported on nickel foam for efficient overall water splitting10.1016/j.cej.2017.10.074 ↗
30. Crystalline copper phosphide nanosheets as an efficient janus catalyst for overall water splitting10.1021/acsami.6b10983 ↗
31. Urchin-like nanorods of binary NiCoS supported on nickel foam for electrocatalytic overall water splitting10.1149/2.0351803jes ↗
32. Novel CoP hollow prisms as bifunctional electrocatalysts for hydrogen evolution reaction in acid media and overall water-splitting in basic media10.1016/j.electacta.2016.10.089 ↗
33. Two-dimensional ultrathin arrays of CoP: electronic modulation toward high performance overall water splitting10.1016/j.nanoen.2017.10.009 ↗
34. Interlayer expanded lamellar CoSe2 on carbon paper as highly efficient and stable overall water splitting electrodes10.1016/j.electacta.2017.04.084 ↗
35. Metal-organic frameworks derived nanotube of nickel-cobalt bimetal phosphides as highly efficient electrocatalysts for overall water splitting10.1002/adfm.201703455 ↗
36. MOF–derived formation of Ni2P–CoP bimetallic phosphides with strong interfacial effect towards electrocatalytic water splitting10.1021/acsami.7b06152 ↗
37. Preparation and electrocatalytic activity of 3D hierarchical porous spinel CoFe2O4 hollow nanospheres as efficient catalyst for oxygen reduction reaction and oxygen evolution reaction10.1016/j.electacta.2014.11.042 ↗
38. Carbon nanotubes decorated with CoP nanocrystals: a highly active non-noble-metal nanohybrid electrocatalyst for hydrogen evolution10.1002/ange.201404161 ↗
39. Thiophene hydrodesulfurization over nickel phosphide catalysts: effect of the precursor composition and support10.1016/j.jcat.2005.01.020 ↗
40. Selective maltose hydrogenation to maltitol on a ternary Co-P-B amorphous catalyst and the synergistic effects of alloying B and P10.1016/j.apcata.2007.02.007 ↗
41. FeP nanoparticles film grown on carbon cloth: an ultrahighly active 3D hydrogen evolution cathode in both acidic and neutral solutions10.1021/am5064684 ↗
42. Examination of the bonding in binary transition-metal monophosphides MP (M= Cr, Mn, Fe, Co) by X-ray photoelectron spectroscopy10.1021/ic051004d ↗
43. Controlled synthesis of FeP nanorod arrays as highly efficient hydrogen evolution cathode10.1039/C4TA03638G ↗
44. Nitrogen-doped carbon nanotube supported iron phosphide nanocomposites for highly active electrocatalysis of the hydrogen evolution reaction10.1016/j.electacta.2014.10.105 ↗
45. Metal–organic framework-based CoP/reduced graphene oxide: high-performance bifunctional electrocatalyst for overall water splitting10.1039/C5SC04425A ↗
46. Efficient and stable bifunctional electrocatalysts Ni/NixMy (M = P, S) for overall water splitting10.1002/adfm.201505626 ↗
47. Hybrids of cobalt/iron phosphides derived from bimetal–organic frameworks as highly efficient electrocatalysts for oxygen evolution reaction10.1021/acsami.6b12189 ↗
48. Direct growth of cobalt-rich cobalt phosphide catalysts on cobalt foil: an efficient and self-supported bifunctional electrode for overall water splitting in alkaline media10.1039/C7TA01776F ↗