Feasibility of palm-biodiesel fuel for a direct internal reforming solid oxide fuel cell

Quang-Tuyen, Tran; Shiratori, Yusuke; Sasaki, Kazunari

doi:10.1002/er.2883

Cited by 26 publications

(16 citation statements)

References 32 publications

(43 reference statements)

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“…According to the results, a significantly improvement in the quality of OMWS bio-oil was also noted by the lowering of its viscosity. Tran et al [19] affirmed that the presence of 1 % sulfur in biodiesel enables the deactivation of the anode performance of SOFCs and leads subsequently to the performance degradation. The reduction of viscosity can be a major drawback in case of crude bio-oil use in SOFCs as possible clogging of the inlet fuel tubes could take place causing insufficient loading of anode.…”

Section: Resultsmentioning

confidence: 99%

“…[24] They believed that carbon deposits which are tar like-rather than graphitic at a level of order 1 wt % can wire together different pieces of the porous anode microstructure leading to greater current collection and improved cell performance. [19] Preliminary test analysis of direct fed-SOFCs made by Ni-SDC anode, lithiated nickel oxide cathode and composite electrolyte (SDC-(LiNa) 2 CO 3 ) [12] was performed at 700 and 750°C using the crude bio-oil and the upgraded OMWS biooil. [25] Furthermore, the upgraded bio-oil exhibits promising features for use as direct feed in SOFCs as the chemical composition was majored by saturated ester components that is, palmitic and oleic acid methyl esters according to the Sasaki group findings.…”

Section: As Shown Inmentioning

confidence: 99%

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Investigation of Direct‐Fed Solid Oxide Fuel Cell Fueled by Upgraded Bio‐Oil Extracted from Olive Waste Pyrolysis: Part 1: Bio‐Oil Characterization and Preliminary Cell Testing

Elleuch

Halouani

2018

Energy Tech

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This study is one component of a two‐part paper aiming to investigate the feasibility of directly feeding renewable liquid biofuels in Solid Oxide Fuel Cells (SOFCs). In part 1, we examined changes that occur in the physicochemical properties upon upgrading process via catalytic esterification of fast pyrolysis crude bio‐oil and we preliminary analyzed and compared the influence on the power outputs of SOFCs. Upgraded bio‐oil was characterized revealing that all acid groups present in the crude bio‐oil were totally converted to esters. The H/C ratio increased while the O/C ratio decreased upon upgrading. Upgraded bio‐oil composition is comprised mostly of aliphatic groups (60 %) followed by saturated methyl esters (30 %). Upgraded bio‐oil viscosity (2.78 cP), neutrality (pH≈7) and energy density (40.94 MJ kg−1) were considerably enhanced. SOFC electrochemical performance results are promising showing that current density increases by 1.7 and ≈2 times while peak power density increases by 1.6 and 3 times upon upgrading at 700 °C and 750 °C, respectively.

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Section: Resultsmentioning

confidence: 99%

Section: As Shown Inmentioning

confidence: 99%

Investigation of Direct‐Fed Solid Oxide Fuel Cell Fueled by Upgraded Bio‐Oil Extracted from Olive Waste Pyrolysis: Part 1: Bio‐Oil Characterization and Preliminary Cell Testing

Elleuch

Halouani

2018

Energy Tech

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“…The aliphatic CH, CH 2 , and CH 3 13 C resonances are between 10 ppm and 50 ppm. The vertically expanded inset shows more clearly the aromatic carbons in the petroleum diesel in the range 120 ppm-150 ppm.…”

Section: Resultsmentioning

confidence: 99%

“…In principle the water removed from the phosphoric acid electrolyte at the anode could be replenished by water produced at the cathode, via its half-cell reaction. Equation (3) indicates that more water is produced by the cathode half-cell reaction than is consumed by the anode half-cell reaction (2).…”

Section: Resultsmentioning

confidence: 99%

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Petroleum Diesel and Biodiesel Fuels Used in a Direct Hydrocarbon Phosphoric Acid Fuel Cell

et al. 2015

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The performance of a direct hydrocarbon phosphoric acid fuel cell, PAFC, was investigated using petroleum diesel, biodiesel, and n-hexadecane as the fuels. We believe this is the first study of a fuel cell being operated with petroleum diesel as the fuel at the anode. Degradation in fuel cell performance was observed prior to reaching steady state. The degradation was attributed to a carbonaceous material forming on the surface of the anode. Regardless of the initial degradation, a steady-state operation was achieved with each of the diesel fuels. After treating the anode with water the fuel cell performance recovered. However, the fuel cell performance degraded again prior to obtaining another steady-state operation. There were several observations that were consistent with the suggestion that the carbonaceous material formed from the diesel fuels might be a reaction intermediate necessary for steady-state operation. Finally, the experiments indicated that water in the phosphoric acid electrolyte could be used as the water required for the anodic reaction. The water formed at the cathode could provide the replacement water for the electrolyte, thereby eliminating the need to provide a water feed system for the fuel cell.

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Investigation of Direct‐Fed Solid Oxide Fuel Cell Fueled by Upgraded Bio‐Oil Extracted from Olive Waste Pyrolysis: Part 2: Analysis of Electrochemical Behavior and Cell Performance

Elleuch

Halouani

2018

Energy Tech

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In this paper, we propose the first demonstration of the flexibility of operating directly Intermediate Temperature Solid Oxide Fuel Cell (IT‐SOFC) with liquid biofuels for sustainable clean power generation. Biofuel used in this part is prepared through an upgrading process of bio‐oil obtained from olive mill wastewater sludge detailed in part 1 and demonstrated a successful improvement in physicochemical properties. Cell electrochemical polarization behavior, stability and internal decomposition of upgraded bio‐oil over the Ni‐SDC anode at different operating conditions such as temperatures and feed flow rates were deeply investigated. Results showed that IT‐SOFC is able to convert the upgraded bio‐oil to electricity at viable power densities (230 mW cm−2 at 750 °C) which is majorly related to the production of reactive fuels (H2, CO, CH4) from upgraded bio‐oil cracking over Ni‐based catalyst. Several side reactions may also occur over anode. Reverse Boudouard reaction is the main reaction reducing deposits as it forms. Bio‐oil upgrading leads to a promising stability with limited carbon deposits (1.35 wt %) at 750 °C.

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Feasibility of palm-biodiesel fuel for a direct internal reforming solid oxide fuel cell

Cited by 26 publications

References 32 publications

Investigation of Direct‐Fed Solid Oxide Fuel Cell Fueled by Upgraded Bio‐Oil Extracted from Olive Waste Pyrolysis: Part 1: Bio‐Oil Characterization and Preliminary Cell Testing

Investigation of Direct‐Fed Solid Oxide Fuel Cell Fueled by Upgraded Bio‐Oil Extracted from Olive Waste Pyrolysis: Part 1: Bio‐Oil Characterization and Preliminary Cell Testing

Petroleum Diesel and Biodiesel Fuels Used in a Direct Hydrocarbon Phosphoric Acid Fuel Cell

Investigation of Direct‐Fed Solid Oxide Fuel Cell Fueled by Upgraded Bio‐Oil Extracted from Olive Waste Pyrolysis: Part 2: Analysis of Electrochemical Behavior and Cell Performance

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