Reversible solid oxide cell systems for integration with natural gas pipeline and carbon capture infrastructure for grid energy management

Reznicek, Evan; Braun, Robert J.

doi:10.1016/j.apenergy.2019.114118

Cited by 40 publications

(9 citation statements)

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“…4,5 Pressurized operation can provide system-level advantages; for electrolysis and reversible SOC systems, for example, considerable improvements in process efficiency are expected. [6][7][8][9][10] For the reversible application, the SOCs should also have very low ASR in order to achieve high round-trip efficiency, and ideally operate at relatively low temperature. 7,9,10 Pressurized operation has advantages in this regard because of improved cell performance compared to ambient pressure operation, a result of reduced electrode polarization resistance.…”

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confidence: 99%

“…[6][7][8][9][10] For the reversible application, the SOCs should also have very low ASR in order to achieve high round-trip efficiency, and ideally operate at relatively low temperature. 7,9,10 Pressurized operation has advantages in this regard because of improved cell performance compared to ambient pressure operation, a result of reduced electrode polarization resistance. [11][12][13][14] Pressurization-induced reduction of cell area-specific resistance can help compensate for the increase caused by reduced operating temperature, thereby helping to enable low temperature SOCs (LT-SOCs).…”

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Effect of Pressurization on Solid Oxide Cell Oxygen Electrodes: the Role of PrO_x Nanoparticle Infiltration

Grimes

Barnett

2021

J. Electrochem. Soc.

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Pressurization of solid oxide cells improves performance by reducing electrode polarization resistance (R P ) and facilitates system integration with balance of plant components such as pressurized storage tanks. However, there are few reports on pressurization effects for electrodes designed for low-temperature operation and utilizing infiltrated catalysts. Here we report an electrochemical impedance spectroscopy study of high performing oxygen electrode materials, SrTi0.3Fe0.63Co0.07O3-∂ (STFC) and PrOx infiltrated STFC, for oxygen partial pressures ( ) from 0.1 to 8 atm and temperatures from 550 to 650 °C. decreases more with pressurization for STFC:PrOx, fitting well to with an exponent n∼0.3, compared to n∼0.25 for STFC. The combination of PrOx infiltration and pressurization yields a substantial R P decrease, e.g., at 600 °C by ∼7 times from 0.36 Ω cm2 at = 0.2 atm for STFC to 0.055 Ω cm2 at = 4 atm for STFC:PrOx. A transmission-line-based circuit model impedance fit reveals that the significant oxygen surface reaction (Rsurf) resistance contribution decreases substantially with PrOx infiltration; and its dependence become more pronounced, with n increasing from ∼0.25 to ∼0.5. Rsurf for STFC:PrOx decreases so much at elevated that the electrode/electrolyte interface resistance dominates.

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Effect of Pressurization on Solid Oxide Cell Oxygen Electrodes: the Role of PrO_x Nanoparticle Infiltration

Grimes

Barnett

2021

J. Electrochem. Soc.

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“…Published research on the economics of grid scale r-SOC systems is minimal. Reznicek et al (19) analyzed an r-SOC system integrated with a natural gas pipeline and carbon capture and storage (CCS) infrastructure. In fuel cell mode, the r-SOC consumes pipeline natural gas and injects purified CO2 into the CCS pipeline.…”

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confidence: 99%

Techno-Economic Analysis of Reversible and Paired Solid Oxide Cell Systems for Hydrogen Production

Noring¹,

Buchheit²,

Iyengar³

et al. 2023

ECS Trans.

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The use of green hydrogen to decarbonize the U.S. economy has been steadily gaining commercial interest as the cost and availability of renewable electricity decreases. At present, technologies can only take advantage of low electricity prices at low capacity factor, due to its intermittent availability, negatively impacting the economics. Reversible solid-oxide cell (r-SOC) based energy conversion systems can potentially solve this problem by producing power when electricity prices are high and hydrogen when they are low. However, the long-term operation of r-SOC systems has not been fully investigated compared to paired SOFC and SOEC units. This paper presents techno-economic results for two SOC-based hydrogen and power co-generation concepts. These technologies primarily generate hydrogen through solid oxide electrolysis but have the capacity to switch to power if signaled by the market. This operational flexibility provides a significant benefit to an electric grid with a growing share of variable renewable energy generation.

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“…Some scholars investigated the design and optimization of the SOEC-based PtM from the level of the overall system to improve the overall efficiency and SNG yield. However, most of these studies employed the lumped parameter method for the analysis of the SOEC [4][5][6] or MR [7][8][9], which is unable to present some crucial parameter profiles (e.g. temperature and concentration) of the SOEC and MR.…”

Section: Introductionmentioning

confidence: 99%

A Detailed Distributed Parameter Model for Accurate Performance Assessment of Power-to-Methane System

Zhong,

Yao,

Zou

et al. 2021

Preprint

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Reversible solid oxide cell systems for integration with natural gas pipeline and carbon capture infrastructure for grid energy management

Cited by 40 publications

References 78 publications

Effect of Pressurization on Solid Oxide Cell Oxygen Electrodes: the Role of PrO_x Nanoparticle Infiltration

Effect of Pressurization on Solid Oxide Cell Oxygen Electrodes: the Role of PrO_x Nanoparticle Infiltration

Techno-Economic Analysis of Reversible and Paired Solid Oxide Cell Systems for Hydrogen Production

A Detailed Distributed Parameter Model for Accurate Performance Assessment of Power-to-Methane System

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Reversible solid oxide cell systems for integration with natural gas pipeline and carbon capture infrastructure for grid energy management

Cited by 40 publications

References 78 publications

Effect of Pressurization on Solid Oxide Cell Oxygen Electrodes: the Role of PrOx Nanoparticle Infiltration

Effect of Pressurization on Solid Oxide Cell Oxygen Electrodes: the Role of PrOx Nanoparticle Infiltration

Techno-Economic Analysis of Reversible and Paired Solid Oxide Cell Systems for Hydrogen Production

A Detailed Distributed Parameter Model for Accurate Performance Assessment of Power-to-Methane System

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Product

Resources

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Effect of Pressurization on Solid Oxide Cell Oxygen Electrodes: the Role of PrO_x Nanoparticle Infiltration

Effect of Pressurization on Solid Oxide Cell Oxygen Electrodes: the Role of PrO_x Nanoparticle Infiltration