Economics of cell design and thermal management in solid oxide fuel cells under SOFC-GT hybrid operating conditions

Rosner, Fabian; Rao, Ashok; Samuelsen, Scott

doi:10.1016/j.enconman.2020.112952

Cited by 35 publications

(13 citation statements)

References 25 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Solid oxide fuel cell (SOFC) is regarded as one of the most promising new energy technologies 1 due to its high fuel flexibility, 2,3 low environmental pollution, 4 small volume, 5 no Carnot cycle restriction for power generation efficiency, 6 and can be combined with a gas turbine for power generation. 7 Its performance has been comprehensively studied, [8][9][10][11][12] and it has been applied on a certain scale. 13 Among several common structures, planar SOFC is favored by many scholars because of its relative ease of manufacture and has been widely studied.…”

Section: Introductionmentioning

confidence: 99%

Effect of flow modes on operation characteristics of three‐dimensional non‐isothermal solid oxide fuel cell stack

Fan

Ye²,

Qiu-feng³

et al. 2021

Intl J of Energy Research

View full text Add to dashboard Cite

The three-dimensional non-isothermal model of anode-supported planar solid oxide fuel cell was established. In order to reduce the temperature rise of SOFC in the process of operation and improve the output performance of the stack, this paper studied and compared the operation of SOFC in four different flow modes. The study found that the flow mode has a great influence on the temperature distribution of the SOFC stack. In co-flow, the temperature increases continuously along the channel length. In the case that oxygen and hydrogen of each cell are in co-flow, by reversing the flow direction between adjacent cells, the temperature rise of the SOFC stack along the channel direction can be reduced by 26 K, which decreases from 41.2 K to about 15 K. At the same time, the output current density and power density of the SOFC stack are also improved to some extent.

show abstract

Section: Introductionmentioning

confidence: 99%

Effect of flow modes on operation characteristics of three‐dimensional non‐isothermal solid oxide fuel cell stack

Fan

Ye²,

Qiu-feng³

et al. 2021

Intl J of Energy Research

View full text Add to dashboard Cite

show abstract

“…The cell optimization is conducted for a number of different cell design parameters. 14 The cell length, at constant cell width, is found to have a great impact on the cell cost on a $/kW basis with a cost minimum around 15-20 cm. While shorter cells operate at higher average temperatures, and thus, higher current density, larger cells have cost benefits with respect to manufacturing and assembly.…”

Section: Resultsmentioning

confidence: 97%

“…This first-principle SOFC model is then paired with a bottom-up SOFC cost model in order to optimize cell design parameters with respect to thermal gradients and cost on a $/kW basis. 14,15 The SOFC model with its optimized cell design is then integrated into a SOFC-GT hybrid system to identify the ideal system operating conditions with respect to economics. [16][17][18] This analysis allowed us to identify a Dresser Rand KG2-3G EF gas turbine with an ISO rating of 1.83 MW as suitable engine to support a ~10 MW SOFC-GT hybrid plant.…”

Section: Methodsmentioning

confidence: 99%

Techno-Economic Optimization of SOC Design and Operating Conditions in a Solid Oxide Fuel Cell-Gas Turbine Hybrid System

Rosner¹,

Samuelsen²

2023

ECS Trans.

View full text Add to dashboard Cite

Solid oxide fuel cell-gas turbine (SOFC-GT) hybrid systems can reach exceptionally high fuel-to-electricity conversion efficiencies while emitting virtually zero criteria pollutants. Due to these characteristics and their fuel-flexibility, SOFC-GT hybrid systems are seen as a key technology in sustainable power generation. In this work we explore SOFC cell design parameters that can synergistically reduce thermal stress and cost, as well as system-level design strategies to maximize economic performance. Results show that NG-fueled hybrid systems can reach efficiencies of 75%-LHV at a cost-of-electricity of 77.73 $/MWh. A similar biogas system with integrated anaerobic digester and biogas upgrading resulted in an efficiency of 53%-LHV and a cost-of-electricity of 137.19 $/MWh.

show abstract

“…The fuel efficiency of TGSOFCs should be configured as much larger as possible to reduce the economic cost of fuel cells [12]. However, the fuel efficiency of TGSOFCs that larger than 90% lead to insufficient fuel for TGSOFCs [13].…”

Section: Introductionmentioning

confidence: 99%

Adaptive multistep model predictive control for tubular grid-connected solid oxide fuel cells

Yin

Liu

2023

Renewable Energy

View full text Add to dashboard Cite

Economics of cell design and thermal management in solid oxide fuel cells under SOFC-GT hybrid operating conditions

Cited by 35 publications

References 25 publications

Effect of flow modes on operation characteristics of three‐dimensional non‐isothermal solid oxide fuel cell stack

Effect of flow modes on operation characteristics of three‐dimensional non‐isothermal solid oxide fuel cell stack

Techno-Economic Optimization of SOC Design and Operating Conditions in a Solid Oxide Fuel Cell-Gas Turbine Hybrid System

Adaptive multistep model predictive control for tubular grid-connected solid oxide fuel cells

Contact Info

Product

Resources

About