Chinese Journal of Catalysis ›› 2025, Vol. 68: 155-176.DOI: 10.1016/S1872-2067(24)60162-2
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Liyuan Gonga,b,c, Li Taoc,d,*(), Lei Wanga, Xian-Zhu Fua,*(
), Shuangyin Wangc,d,*(
)
Received:
2024-08-16
Accepted:
2024-10-08
Online:
2025-01-18
Published:
2025-01-02
Contact:
* E-mail: About author:
Li Tao received his Master degree in 2016 and his Ph.D. degree in 2019 from Hunan University under the supervision of Prof. Shuangyin Wang. He is currently an associate professor of the College of Chemistry and Chemical Engineering, Hunan University. His research interests are in thermoelectric coupling catalysis, defect chemistry and fuel cell.Supported by:
Liyuan Gong, Li Tao, Lei Wang, Xian-Zhu Fu, Shuangyin Wang. Focus on the catalysts to resist the phosphate poisoning in high-temperature proton exchange membrane fuel cells[J]. Chinese Journal of Catalysis, 2025, 68: 155-176.
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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(24)60162-2
Fig. 1. (A) PO4 adsorbed through Pt-O in the different mode. Reprinted with permission from Ref. [54]. Copyright 2013, American Chemical Society. (B) Trends in ORR activity concerned about oxygen binding strength (ΔEO: O binding energy from DFT calculation) of various metal. Reprinted with permission from Ref. [53]. Copyright 2004, American Chemical Society. (C) Schematic illustration of d band theory of a transition metal surface. Reprinted with permission from Ref. [60]. Copyright 2005, Springer Nature.
Fig. 2. The adsorption competition of H, OH, and PO4? on the Pt surface (A) and (B) at different cell voltages, (C) temperature, (D) phosphoric acid concentration Reprinted with permission from Ref. [33]. Copyright 2013, American Chemical Society.
Fig. 3. (A) H3PO3 oxidation behavior observed in CV of the Pt electrode in single H3PO4. (B) Anodic/cathodic charge ratio. Reprinted with permission from Ref. [25] Copyright 2023, American Chemical Society. (C) Poisoning effect of both H3PO3 and H3PO4 at different potential observed from coordination numbers of Pt-Pt, Pt-O, Pt-P gained through EXAFS fitting. Reprinted with permission from Ref. [64]. Copyright 2022, American Chemical Society.
Fig. 4. (A) Phosphoric acid adsorption characteristics in the CV of Pt3Co/C. Reprinted with permission from Ref. [29]. Copyright 2011, Elsevier. (B) N2O reduction curves of Pt3Co/C [29] affected by PA. (C) Schematic of the in-situ XAS setup. Reprinted with permission from Ref. [68], Copyright 2015, IOP Publishing, Ltd. (D) Schematic presentation of the Δμ and δΔμ method. Reprinted with permission from Ref. [33]. Copyright 2013, American Chemical Society.
Fig. 5. (A) Schematic of EC-SERS setup. (B) SER spectra get in (C) CV scans at Au surface in different pH solutions. Reprinted with permission from Ref. [72]. Copyright 2015, Elsevier. (D) FTIR spectra taken from a platinum electrode at different potentials in 0.015 mol L-1 phosphate (79% H2PO4-, 21% H3PO4). (E) The H2PO4- in C2V and Cs symmetries at low and high potentials respectively. Reprinted with permission from Ref. [10] Copyright 1992, Elsevier.
Fig. 6. (A) Supercell structure and top view supercell of Ptskin-Pt3M. (B) Adsorption strength of Ptskin-Pt3M determined by DFT calculation. (C) DOS near the Fermi level. Reprinted with permission from Ref. [51], Copyright 2017, Springer Nature. (D) Schematic diagram of “Self-Healing” effect. [81] (E) The scaling relationship of the O2 and PO4 adsorption energy on Pt3M(111) alloy surface. Reprinted with permission from Ref. [19]. Copyright 2023, Elsevier. (F) The LSV of PtRhCu@Pt/C with and without phosphate anion. (G) Performance of HT-PEMFC at 160 °C. (H) Stability test at 200 mA cm?2. Reprinted with permission from Ref. [81]. Copyright 2024, American Chemical Society.
Fig. 7. (A) CV of PtSn(111) single crystals electrodes. LSV of Pt(111) (B) and PtSn(111) (C) single crystals electrodes with/without PA. Reprinted with permission from Ref. [30] Copyright 2010, Royal Society of Chemistry. (D) The charge density difference of the CuPtFe alloy catalysts. (E) H2PO4? adsorption energy of Cu-PtFe and PtFe catalysts. (F) The activity of catalysts with/without the presence of H3PO4. (G) HT-PEMFC performance. (H) H2-air fuel cell performance. (I) Durability test results at 200 mA cm?2. Reprinted with permission from Ref. [80].Copyright 2021, Wiley.
Fig. 8. (A) Schematic illustration of Cu alloying strategy. The d-band center (B), H3PO4 anion adsorption energy (C), image (D) of the HT-RDE. (E) Relationship of PA coverage, O-reduction area, and E1/2 of O-PtCu/S-C and reference catalysts by HT-RDE test in 0.5 mol L?1 H3PO4. (F). Fuel cell performance in H2-O2 at 160 °C. Reprinted with permission from Ref. [67]. Copyright 2024, Elsevier. (G) Current densities of pure Pt and PtAu alloy catalysts with/without PA. (H) CV of PtAu alloy catalysts with/without PA. Reprinted with permission from Ref. [72]. Copyright 2015, Elsevier. (I) Current densities of pure Pt, PtCo physical mixture catalysts and PtCo alloy catalysts with/without PA. Reprinted with permission from Ref. [76]. Copyright 2022, Elsevier.
Fig. 9. (A) The schematic presentation of the anti-poisoning effect of cyanide. (B) The LSV of Pt(111)/Pt(111)-CNad in the phosphoric acid and perchloric acid. Reprinted with permission from Ref. [82]. Copyright2010, Springer Nature. (C) Visual explanation of manipulating the d-band structure by adsorbed oleylamine. (D) Increased factors compared to Pt/C related to the difference of the εd. Reprinted with permission from Ref. [84]. Copyright 2013, American Chemical Society. (E) Schematic illustration of the coulombic barrier on Pt surface. Reprinted with permission from Ref. [86]. Copyright 2015, Elsevier. (F) The relationship of activity and the varying coverages of butylamine. Reprinted with permission from Ref. [83]. Copyright 2016, Elsevier.
Fig. 10. (A) Schematic diagram showing the molecular sieve layer effect of carbon shell structure. (B) The difference value in mass activity of different catalysts with/without carbon shells before and after ADTs in 0.1 mol L?1 HClO4 with and without 0.1 mol L?1 H3PO4. Reprinted with permission from Ref. [87]. Copyright 2023, Wiley. (C) LSV of O-Pt-Fe@NC/C and Pt/C with and without H3PO4. (D) Full fuel performance at 160 °C under H2/O2. Reprinted with permission from Ref. [78]. Copyright 2020, Elsevier. (E) LSV of PtCo@MoOx-NC with and without PA. (F) The mass activity, durability, and H3PO4 tolerance of PtCo@MoOx-NC comparing to PtC. Reprinted with permission from Ref. [88]. Copyright 2023, Royal Society of Chemistry.
Fig. 11. (A) Graphical representation of SiO2 promoting PA distribution. LSV (B) and CV (C) of CNT@SiO2-Pt with/without the H3PO4. HT-PEMFC performance (D) and stability (E) in a single cell. Reprinted with permission from Ref. [90]. Copyright 2021, Springer Nature. (F) mass and specific activity the prepared PtP2/C and Pt/C-TKK catalysts with/without H3PO4. (G) Activity and durability of HT-PEMFC under H2/O2 at 180 °C. Reprinted with permission from Ref. [52]. Copyright 2023, Royal Society of Chemistry.
T (°C) | v at an./ca. (mL min−1) | P (bar) | Membrane/thickness (mm) | Cat./Pt loading of ca. (mg cm−2) | PPD (mW cm−2) | Ref. |
---|---|---|---|---|---|---|
160 | H2-60/air-50 | — | PA/PBI | Cu-PtFe/NC/0.5 | 432.6 | [ |
160 | H2-60/O2-50 | — | PA/PBI | Cu-PtFe/NC/ 0.5 | 793.5 | [ |
160 | H2/air | — | PA/PES-PVPa | CNT@SiO2-Pt/1.0 | 486 | [ |
160 | H2/O2 | — | PA/PES-PVPa | CNT@SiO2-Pt/1.0 | 765 | [ |
220 | H2/O2 | — | PA/PES-PVPa | CNT@SiO2-Pt/.0 | 1061 | [ |
160 | H2-200/Air-600 | — | PA/PBI | Pt2Cu/C/1.5 | 383.4 | [ |
180 | H2/O2 | 1.5 | PA/PBI | PtP2/C/0.5 | 1180 | [ |
160 | H2-100/O2-100 | — | PA/PBI/SiO2 | O-Pt-Fe@NC/C/1 | 384 | [ |
160 | H2-100/O2-100 | — | PA/PBI | O-PtCu/S-C/0.5 | 800.5 | [ |
160 | H2-100/O2-200 | — | PA/PBI | PtRhCu@Pt/C/1.5 | 529 | [ |
160 | H2-100/Air-200 | — | PA/PBI | PtRhCu@Pt/C/1.5 | 977 | [ |
Table 1 Summary of recent performance of HT-PEMFC using Pt-based catalysts. T, an./ca., v, P and PPD refer to temperature, anode/cathode, flow rate pressure and peak power density, respectively.
T (°C) | v at an./ca. (mL min−1) | P (bar) | Membrane/thickness (mm) | Cat./Pt loading of ca. (mg cm−2) | PPD (mW cm−2) | Ref. |
---|---|---|---|---|---|---|
160 | H2-60/air-50 | — | PA/PBI | Cu-PtFe/NC/0.5 | 432.6 | [ |
160 | H2-60/O2-50 | — | PA/PBI | Cu-PtFe/NC/ 0.5 | 793.5 | [ |
160 | H2/air | — | PA/PES-PVPa | CNT@SiO2-Pt/1.0 | 486 | [ |
160 | H2/O2 | — | PA/PES-PVPa | CNT@SiO2-Pt/1.0 | 765 | [ |
220 | H2/O2 | — | PA/PES-PVPa | CNT@SiO2-Pt/.0 | 1061 | [ |
160 | H2-200/Air-600 | — | PA/PBI | Pt2Cu/C/1.5 | 383.4 | [ |
180 | H2/O2 | 1.5 | PA/PBI | PtP2/C/0.5 | 1180 | [ |
160 | H2-100/O2-100 | — | PA/PBI/SiO2 | O-Pt-Fe@NC/C/1 | 384 | [ |
160 | H2-100/O2-100 | — | PA/PBI | O-PtCu/S-C/0.5 | 800.5 | [ |
160 | H2-100/O2-200 | — | PA/PBI | PtRhCu@Pt/C/1.5 | 529 | [ |
160 | H2-100/Air-200 | — | PA/PBI | PtRhCu@Pt/C/1.5 | 977 | [ |
Fig. 12. (A) Schematic diagram of catalyst synthesis steps. TEM (B), aberration-corrected scanning TEM (C), and STEM-EDS mapping (D). (E) LSV for phosphate ions poisoning effect on Pt/C and Fe-NC, Fe-NCP. (F) HT-PEMFC performance under H2/O2. (G) Free energy diagram of ORR reaction. (H) Adsorption energy of phosphate ions on Pt(111), Fe-NC, Fe-NCP, and Fe-NPC. Reprinted with permission from Ref. [96].Copyright 2022, Springer Nature.
Fig. 13. TEM (A), STEM-EDS mapping (B), aberration-corrected scanning TEM (C,D) of FeCu/N-CNTs. (E) Scheme of the phosphate promoting effect. (F) LSV of ORR on FeCu catalysts with the presence of PA. (G) Potential energy on Fe, Cu, Fe-Cu diatomic sites with different distance with/without PA. (H) XPS of Cu 2p affected by PA. Fuel cell activity at 230 °C under H2/O2 (I) and stability test (J). Reprinted with permission from Ref. [98]. Copyright 2021, Elsevier.
Fig. 14. (A) LSV of FeSA-G and Pt/C in with/without the H3PO4. Fuel cell performance at 160 °C (B) and 230 °C (C) under H2/O2. (D) Stability of the cells at 0.5 V. Reprinted with permission from Ref. [101]. Copyright 2019, Wiley.
Fig. 15. (A) TEM images of pore structure. (B) LSV of Pt/C and Fe-N-C with/without PA. (C) Accelerated durability tests. (D) Single-cell performance at 150 °C under H2/O2. Reprinted with permission from Ref. [104]. Copyright 2020 American Chemical Society.
T (°C) | gas-v at an./ca. (mL min−1) | P (bar) | Membrane | Cat./catalysts loading (mg cm−2) | PPD (mW cm−2) | Ref. |
---|---|---|---|---|---|---|
160 | H2/O2 | — | PA/PBI | BP-FeNC/7.8 | 184.6 | [ |
150 | H2/O2 | 1.5 | PA/PBI | LEDFe5-NH3/3.8 | 260 | [ |
240 | H2-150/O2-100 | — | PA/SiO2/PBI | FeSA/HP/4 | 266 | [ |
160 | H2-100/O2-100 | — | SiO2/PA/PBI | FeSA-G/0.3Fe | 276 | [ |
230 | H2-100/O2-100 | — | SiO2/PA/PBI | FeSA-G/0.3Fe | 325 | [ |
160 | H2/O2 | — | PBI | Fe-NCP/2.5 | 357 | [ |
230 | H2-100/O2-100 | — | SiO2/PA/PBI | FeCu/N-CNTs/4 | 302 | [ |
160 | H2-100/O2-200 | — | SiO2/PA/PBI | Fe-N-C-1100/3 | 229 | [ |
Table 2 Summary of recent performance of HT-PEMFC using Fe-based catalysts. T, an./ca., v, P and PPD refer to temperature, anode/ cathode, flow rate pressure and peak power density, respectively.
T (°C) | gas-v at an./ca. (mL min−1) | P (bar) | Membrane | Cat./catalysts loading (mg cm−2) | PPD (mW cm−2) | Ref. |
---|---|---|---|---|---|---|
160 | H2/O2 | — | PA/PBI | BP-FeNC/7.8 | 184.6 | [ |
150 | H2/O2 | 1.5 | PA/PBI | LEDFe5-NH3/3.8 | 260 | [ |
240 | H2-150/O2-100 | — | PA/SiO2/PBI | FeSA/HP/4 | 266 | [ |
160 | H2-100/O2-100 | — | SiO2/PA/PBI | FeSA-G/0.3Fe | 276 | [ |
230 | H2-100/O2-100 | — | SiO2/PA/PBI | FeSA-G/0.3Fe | 325 | [ |
160 | H2/O2 | — | PBI | Fe-NCP/2.5 | 357 | [ |
230 | H2-100/O2-100 | — | SiO2/PA/PBI | FeCu/N-CNTs/4 | 302 | [ |
160 | H2-100/O2-200 | — | SiO2/PA/PBI | Fe-N-C-1100/3 | 229 | [ |
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