Results from an industrial size biogas-fed SOFC plant (the DEMOSOFC project)

Gandiglio, Marta; Lanzini, Andrea; Santarelli, Massimo; Acri, Marco; Hakala, Tuomas; Rautanen, Markus

doi:10.1016/j.ijhydene.2019.08.022

Cited by 58 publications

(47 citation statements)

References 18 publications

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“…Biogas from wastewater treatment plant contains 60 to 80% CH4, 30 to 50% CO2, and traces of impurities [32,33]. Biogas utilisation as an alternative fuel is significant, as based on 2012 data, the global biogas production exceeded 56 billion m 3 /year with the energy potential of 1212 PJ [34] led by European countries.…”

Section: Introductionmentioning

confidence: 99%

Effects of Sn doping on the manufacturing, performance and carbon deposition of Ni/ScSZ cells in solid oxide fuel cells

Arifin

Troskialina

Shamsuddin

et al. 2020

International Journal of Hydrogen Energy

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Section: Introductionmentioning

confidence: 99%

Effects of Sn doping on the manufacturing, performance and carbon deposition of Ni/ScSZ cells in solid oxide fuel cells

Arifin

Troskialina

Shamsuddin

et al. 2020

International Journal of Hydrogen Energy

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“…The adsorption capacity of hydrogen is minimal from activated carbons, around 0.01 mg/g [38]. The humidity conditions were not considered because in the real plant application to which the analysys refers, two chiller systems and a silica reactor exist to ensure water-free biogas (the reference site is the one installed in the framework of the European project DEMOSOFC [39,40]). The experimental set-up is represented in Figure 1.…”

Section: Description Of the Experimental Setupmentioning

confidence: 99%

Biogas Purification: A Comparison of Adsorption Performance in D4 Siloxane Removal Between Commercial Activated Carbons and Waste Wood-Derived Char Using Isotherm Equations

et al. 2019

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Biogas production from organic waste could be an option to reduce landfill and pollutant emissions into air, water, and soil. These fuels contain several trace compounds that are crucial for highly efficient energy generators or gas injection into the grid. The ability of adsorbents to physically remove such adsorbates was investigated using adsorption isotherms at a constant temperature. We experimentally modelled isotherms for siloxane removal. Siloxanes were considered due to their high impact on energy generators performance even at low concentrations. Octamethylcyclotetrasiloxane was selected as a model compound and was tested using commercially available carbon and char derived from waste materials. The results show that recyclable material can be used in an energy production site and that char must be activated to improve its removal performance. The adsorption capacity is a function of specific surface area and porous volume rather than the elemental composition. The most common adsorption isotherms were employed to find the most appropriate isotherm to estimate the adsorption capacity and to compare the sorbents. The Dubinin-Radushkevich isotherm coupled with the Langmuir isotherm was found to be the best for estimating the adsorption capacity.

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“…Although novel SOFCs designs and several new materials have been investigated, Ni in combination with Yttria-stabilized Zirconia (YSZ) still represents today the selected approach for the anode [ 14 ]. This is because the Ni-YSZ cermet provides a proper trade-off in terms of electrochemical, thermal, and mechanical properties [ 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 ]. In particular, the mechanical and thermal properties of Ni-YSZ are rather flexible and adequate to the production chain of anode-supported SOFC cells [ 23 , 24 , 25 ].…”

Section: Introductionmentioning

confidence: 99%

“…Moreover, another drawback is related to the risk of Ni poisoning due to sulfur contaminants and pore blocking associated with the deposition of carbon tar [ 26 , 27 , 28 ]. Accordingly, large SOFC systems include a fuel pre-reformer and a desulfurizer [ 15 , 29 , 30 , 31 ]. An alternative strategy for SOFC systems’ simplification, which has been quite recently adopted, consists of the use of a functional layer coated on the external side of Ni-YSZ anodes [ 32 ].…”

Section: Introductionmentioning

confidence: 99%

Lanthanum Ferrites-Based Exsolved Perovskites as Fuel-Flexible Anode for Solid Oxide Fuel Cells

2020

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Exsolved perovskites can be obtained from lanthanum ferrites, such as La0.6Sr0.4Fe0.8Co0.2O3, as result of Ni doping and thermal treatments. Ni can be simply added to the perovskite by an incipient wetness method. Thermal treatments that favor the exsolution process include calcination in air (e.g., 500 °C) and subsequent reduction in diluted H2 at 800 °C. These processes allow producing a two-phase material consisting of a Ruddlesden–Popper-type structure and a solid oxide solution e.g., α-Fe100-y-zCoyNizOx oxide. The formed electrocatalyst shows sufficient electronic conductivity under reducing environment at the Solid Oxide Fuel Cell (SOFC) anode. Outstanding catalytic properties are observed for the direct oxidation of dry fuels in SOFCs, including H2, methane, syngas, methanol, glycerol, and propane. This anode electrocatalyst can be combined with a full density electrolyte based on Gadolinia-doped ceria or with La0.8Sr0.2Ga0.8Mg0.2O3 (LSGM) or BaCe0.9Y0.1O3-δ (BYCO) to form a complete perovskite structure-based cell. Moreover, the exsolved perovskite can be used as a coating layer or catalytic pre-layer of a conventional Ni-YSZ anode. Beside the excellent catalytic activity, this material also shows proper durability and tolerance to sulfur poisoning. Research challenges and future directions are discussed. A new approach combining an exsolved perovskite and an NiCu alloy to further enhance the fuel flexibility of the composite catalyst is also considered. In this review, the preparation methods, physicochemical characteristics, and surface properties of exsoluted fine nanoparticles encapsulated on the metal-depleted perovskite, electrochemical properties for the direct oxidation of dry fuels, and related electrooxidation mechanisms are examined and discussed.

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Results from an industrial size biogas-fed SOFC plant (the DEMOSOFC project)

Cited by 58 publications

References 18 publications

Effects of Sn doping on the manufacturing, performance and carbon deposition of Ni/ScSZ cells in solid oxide fuel cells

Effects of Sn doping on the manufacturing, performance and carbon deposition of Ni/ScSZ cells in solid oxide fuel cells

Biogas Purification: A Comparison of Adsorption Performance in D4 Siloxane Removal Between Commercial Activated Carbons and Waste Wood-Derived Char Using Isotherm Equations

Lanthanum Ferrites-Based Exsolved Perovskites as Fuel-Flexible Anode for Solid Oxide Fuel Cells

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