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| Hauptseite > Publikationsdatenbank > Efficient intermediate-temperature steam electrolysis with Y : SrZrO 3 –SrCeO 3 and Y : BaZrO 3 –BaCeO 3 proton conducting perovskites > print |
| Hauptseite > Publikationsdatenbank > Efficient intermediate-temperature steam electrolysis with Y : SrZrO 3 –SrCeO 3 and Y : BaZrO 3 –BaCeO 3 proton conducting perovskites > print |
| 001 | 852736 | ||
| 005 | 20240711085647.0 | ||
| 024 | 7 | _ | |a 10.1039/C8TA04019B |2 doi |
| 024 | 7 | _ | |a 2050-7488 |2 ISSN |
| 024 | 7 | _ | |a 2050-7496 |2 ISSN |
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| 037 | _ | _ | |a FZJ-2018-05608 |
| 082 | _ | _ | |a 540 |
| 100 | 1 | _ | |a Leonard, Kwati |0 P:(DE-Juel1)176132 |b 0 |e Corresponding author |
| 245 | _ | _ | |a Efficient intermediate-temperature steam electrolysis with Y : SrZrO 3 –SrCeO 3 and Y : BaZrO 3 –BaCeO 3 proton conducting perovskites |
| 260 | _ | _ | |a London [u.a.] |c 2018 |b RSC |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 520 | _ | _ | |a Ceramic proton conductors have the potential to become important components in future clean and efficient energy technologies. In this manuscript, barium cerium yttrium zirconate (Ba(Zr0.5Ce0.4)8/9Y0.2O2.9) and strontium cerium yttrium zirconate (SrZr0.5Ce0.4Y0.1O2.95), proton conducting perovskites were employed as solid oxide electrolysis cell (SOEC) electrolytes for hydrogen production via intermediate temperature steam electrolysis at 550 and 600 °C. Cathode-supported button cells examined for a 12 μm Ba(Zr0.5Ce0.4)8/9Y0.2O2.9 electrolyte, with Ni–SrZr0.5Ce0.4Y0.1O2.95 as the H2-electrode, and porous Ba0.5La0.5CoO3 as the anode reached current densities of 0.2 and 0.5 A cm−2 with applied voltage of 1.45 V, at 550 and 600 °C, respectively. Moreover, a hydrogen evolution rate of 127 μmol cm−2 per minute was achieved at 0.5 A cm−2, translating to a current efficiency of 82%. In addition, excellent cell performance was obtained using SrZr0.5Ce0.4Y0.1O2.95 as an electrolyte. Current densities of 0.2 and 0.5 A cm−2 were obtained at 600 °C with applied voltages of 1.28 and 1.63 V, achieving faradaic current efficiencies of 88 and 85%. The NiO–SrZr0.5Ce0.4Y0.1O3−δ composite cathode was more favorable for the densification of the supported Ba(Zr0.5Ce0.4)8/9Y0.2O2.9 electrolyte during sintering and could be promising for use as a cathode substrate in proton-conducting SOECs. |
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| 700 | 1 | _ | |a Okuyama, Yuji |0 P:(DE-HGF)0 |b 1 |
| 700 | 1 | _ | |a Takamura, Yasuhiro |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Lee, Young-Sung |0 P:(DE-HGF)0 |b 3 |
| 700 | 1 | _ | |a Miyazaki, Kuninori |0 P:(DE-HGF)0 |b 4 |
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| 700 | 1 | _ | |a Meulenberg, Wilhelm Albert |0 P:(DE-Juel1)129637 |b 6 |
| 700 | 1 | _ | |a Matsumoto, Hiroshige |0 P:(DE-HGF)0 |b 7 |e Corresponding author |
| 773 | _ | _ | |a 10.1039/C8TA04019B |g p. 10.1039.C8TA04019B |0 PERI:(DE-600)2702232-8 |p 19113-19124 |t Journal of materials chemistry / A |v 6 |y 2018 |x 2050-7496 |
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