Ethylene and power cogeneration from proton ceramic fuel cells (PCFC): A thermo-electrochemical modelling study

Li, Zheng; He, Qijiao; Wang, Chen; Xu, Qidong; Guo, Meiting; Bello, Idris Temitope; Ni, Meng

doi:10.1016/j.jpowsour.2022.231503

Cited by 18 publications

(2 citation statements)

References 39 publications

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“…Currently, most PCFCs use cobalt-rich cathodes, such as LSCF [ 30 ], BSCF [ 5 , 31 ], BCFZY [ 32 , 33 ], and PNC [ 34 ], etc. Thermal compatibility is a critical issue with these cobalt-rich cathodes, which typically exhibit high thermal expansion coefficient (TEC) values within the operating temperature range.…”

Section: Resultsmentioning

confidence: 99%

Effect of NiO Addition on the Sintering and Electrochemical Properties of BaCe0.55Zr0.35Y0.1O3-δ Proton-Conducting Ceramic Electrolyte

Peng,

Zhao,

Meng

et al. 2024

Membranes

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Proton ceramic fuel cells offer numerous advantages compared with conventional fuel cells. However, the practical implementation of these cells is hindered by the poor sintering activity of the electrolyte. Despite extensive research efforts to improve the sintering activity of BCZY, the systematic exploration of the utilization of NiO as a sintering additive remains insufficient. In this study, we developed a novel BaCe0.55Zr0.35Y0.1O3-δ (BCZY) electrolyte and systematically investigated the impact of adding different amounts of NiO on the sintering activity and electrochemical performance of BCZY. XRD results demonstrate that pure-phase BCZY can be obtained by sintering the material synthesized via solid-state reaction at 1400 °C for 10 h. SEM analysis revealed that the addition of NiO has positive effects on the densification and grain growth of BCZY, while significantly reducing the sintering temperature required for densification. Nearly fully densified BCZY ceramics can be obtained by adding 0.5 wt.% NiO and annealing at 1350 °C for 5 h. The addition of NiO exhibits positive effects on the densification and grain growth of BCZY, significantly reducing the sintering temperature required for densification. An anode-supported full cell using BCZY with 0.5 wt.% NiO as the electrolyte reveals a maximum power density of 690 mW cm−2 and an ohmic resistance of 0.189 Ω cm2 at 650 °C. Within 100 h of long-term testing, the recorded current density remained relatively stable, demonstrating excellent electrochemical performance.

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Section: Resultsmentioning

confidence: 99%

Effect of NiO Addition on the Sintering and Electrochemical Properties of BaCe0.55Zr0.35Y0.1O3-δ Proton-Conducting Ceramic Electrolyte

Peng,

Zhao,

Meng

et al. 2024

Membranes

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“…Power density is one of the measurable fuel cell performance indicators that is controlled by the fuel cell's current and voltage. The PCFC's primary performance can be summed up as its output of current density and voltage [2,3]. The fuel cell voltage, current density, I-V curve, and power density curve are all displayed on the I-V polarization curve.…”

Section: Introductionmentioning

confidence: 99%

Computational fluid dynamics study of Y³⁺-doped Ba(Ce,Zr)O₃ based single channel proton ceramic fuel cell

Malik

Missnan²,

Hassan³

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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Theoretical studies using Computational Fluid Dynamics (CFD) modeling have been established in the field of polymer electrolyte membrane fuel cells (PEMFCs) and oxygen ion solid oxide fuel cells (O2-SOFCs). However, its implementation in the proton ceramic fuel cell (PCFC) development is still in progress and very limited literature can be found. Thus, in this simulation study, ANSYS 2022 CFD software has been employed to predict hydrogen mass fraction distribution and power density of a single-channel PCFC operating in 100 % hydrogen fuel. This simulation utilized input data based on previously published experimental works. The mass fraction of H2 was 0.0 at the cathode area indicating that the electrolyte layer is fully dense and no leakage of H2 from the anode area into the cathode area. The maximum power density in 100 % H2 was 0.34 W/cm2 at 800° C. This is in agreement with the power density produced by the in-house fabricated button cell with the configuration of NiO-BCZY|BCZY|LSCF (BCZY=BaCe0.54Zr0.36Y0.1O2.95, LSCF=La0.6Sr0.4Co0.2Fe0.8O3-δ.) that showed a maximum power density of 0.33W/cm2 in 100 % H2. This analysis will contribute to insight information on the relationship between fuel mass fraction distribution and fuel cell performance for future improvements in the field of PCFC.

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In Situ Exsolved CoFeRu Alloy Decorated Perovskite as An Anode Catalyst Layer for High‐Performance Direct‐Ammonia Protonic Ceramic Fuel Cells

Liang,

Song,

Xiong

et al. 2024

Adv Funct Materials

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Direct‐ammonia proton ceramic fuel cell (DA‐PCFC) is a promising clean energy technology because ammonia (NH3) is easier to store, transport, and handle than hydrogen. However, NH3 decomposition efficiency is unsatisfactory, and the anti‐sintering resistance of conventional Ni‐based ceramic anodes has limited the large‐scale application of DA‐PCFC technology. Herein, Pr0.6Sr0.4(Co0.2Fe0.8)0.85Ru0.15O3‐δ (PSCFR15), a novel anode catalyst layer (ACL) material is developed. PSCFR15 is treated under a reducing atmosphere to form a composite with CoFeRu alloy nanoparticles. Density functional theory simulations reveal that Ru modification in the CoFe alloy promotes nitrogen desorption during ammonia decomposition reaction, thereby boosting ammonia decomposition efficiency. As a result, DA‐PCFC with PSCFR15 ACL can achieve superior peak power density compared to bare DA‐PCFC operated with H2 and NH3 fuels. Furthermore, the ACL also reduces the direct contact between the Ni‐based ceramic anode and the NH3 fuel, then suppressing Ni sintering, and enhancing the durability of the DA‐PCFC.

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Ethylene and power cogeneration from proton ceramic fuel cells (PCFC): A thermo-electrochemical modelling study

Cited by 18 publications

References 39 publications

Effect of NiO Addition on the Sintering and Electrochemical Properties of BaCe0.55Zr0.35Y0.1O3-δ Proton-Conducting Ceramic Electrolyte

Effect of NiO Addition on the Sintering and Electrochemical Properties of BaCe0.55Zr0.35Y0.1O3-δ Proton-Conducting Ceramic Electrolyte

Computational fluid dynamics study of Y³⁺-doped Ba(Ce,Zr)O₃ based single channel proton ceramic fuel cell

In Situ Exsolved CoFeRu Alloy Decorated Perovskite as An Anode Catalyst Layer for High‐Performance Direct‐Ammonia Protonic Ceramic Fuel Cells

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Ethylene and power cogeneration from proton ceramic fuel cells (PCFC): A thermo-electrochemical modelling study

Cited by 18 publications

References 39 publications

Effect of NiO Addition on the Sintering and Electrochemical Properties of BaCe0.55Zr0.35Y0.1O3-δ Proton-Conducting Ceramic Electrolyte

Effect of NiO Addition on the Sintering and Electrochemical Properties of BaCe0.55Zr0.35Y0.1O3-δ Proton-Conducting Ceramic Electrolyte

Computational fluid dynamics study of Y3+-doped Ba(Ce,Zr)O3 based single channel proton ceramic fuel cell

In Situ Exsolved CoFeRu Alloy Decorated Perovskite as An Anode Catalyst Layer for High‐Performance Direct‐Ammonia Protonic Ceramic Fuel Cells

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Computational fluid dynamics study of Y³⁺-doped Ba(Ce,Zr)O₃ based single channel proton ceramic fuel cell