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Design and analysis of reversible so...

Wendel, Christopher H.

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Design and analysis of reversible solid oxide cell systems for electrical energy storage.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Design and analysis of reversible solid oxide cell systems for electrical energy storage./
Author:	Wendel, Christopher H.
Description:	248 p.
Notes:	Source: Dissertation Abstracts International, Volume: 76-09(E), Section: B.
Contained By:	Dissertation Abstracts International76-09B(E).
Subject:	Mechanical engineering. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3703686
ISBN:	9781321756289

Design and analysis of reversible solid oxide cell systems for electrical energy storage.
Wendel, Christopher H.

Design and analysis of reversible solid oxide cell systems for electrical energy storage. - 248 p.

Source: Dissertation Abstracts International, Volume: 76-09(E), Section: B.

Thesis (Ph.D.)--Colorado School of Mines, 2015.

Electrical energy storage is projected to be a critical component of the future world energy system, performing load-leveling operations to enable increased penetration of renewable and distributed generation. Reversible solid oxide cell (ReSOC) technology has the potential to play a major role in stationary electrical energy storage markets. ReSOCs operate in two distinct modes: fuel producing (electrolysis mode) and power producing (fuel cell mode). A stand-alone energy storage system is realized from this technology by coupling the two operating modes with intermediate storage of reactant and product species. In this dissertation, ReSOC energy storage systems are designed and analyzed with computational modeling to establish suitable system configurations and operating conditions that achieve high roundtrip efficiency.

ISBN: 9781321756289Subjects--Topical Terms:

649730
Mechanical engineering.

Design and analysis of reversible solid oxide cell systems for electrical energy storage.
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020 $a 9781321756289
035 $a (MiAaPQ)AAI3703686
035 $a AAI3703686
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100 1 $a Wendel, Christopher H. $3 3181420
245 1 0 $a Design and analysis of reversible solid oxide cell systems for electrical energy storage.
300 $a 248 p.
500 $a Source: Dissertation Abstracts International, Volume: 76-09(E), Section: B.
500 $a Adviser: Robert J. Braun.
502 $a Thesis (Ph.D.)--Colorado School of Mines, 2015.
520 $a Electrical energy storage is projected to be a critical component of the future world energy system, performing load-leveling operations to enable increased penetration of renewable and distributed generation. Reversible solid oxide cell (ReSOC) technology has the potential to play a major role in stationary electrical energy storage markets. ReSOCs operate in two distinct modes: fuel producing (electrolysis mode) and power producing (fuel cell mode). A stand-alone energy storage system is realized from this technology by coupling the two operating modes with intermediate storage of reactant and product species. In this dissertation, ReSOC energy storage systems are designed and analyzed with computational modeling to establish suitable system configurations and operating conditions that achieve high roundtrip efficiency.
520 $a A critical feature of the ReSOC system that enables high roundtrip efficiency is that the ReSOC is operated at conditions where methane is generated in electrolysis mode to offset the typically endothermic conversion process. Methanation is promoted by low temperature and high pressure conditions, meaning that intermediate-temperature ReSOCs (<700°C) are important to achieving high system performance. Doped lanthanum gallate (LSGM)-electrolyte ReSOC characteristics are leveraged in this study.
520 $a The results include thermodynamic analysis of ReSOC systems, physically-based calibrated modeling of intermediate temperature ReSOCs, steady-state system simulation at distributed (100 kW) and bulk (>10 MW) scales, and bottom-up system costing. System modeling results suggest that dc roundtrip energy storage efficiency of 65-74% are achieved for a 100 kW system. Maximum efficiency is achieved when the tanked species are maintained in the vapor phase to mitigate the energetic requirement of steam generation; although the energy density suffers within this configuration. The bulk scale system achieves 74% roundtrip efficiency at optimal stack operating conditions of 680°C, 20 bar, and 70% fuel utilization. Economic calculations estimate bulk-scale (250 MW / 500 GWh) storage cost of 1.7 ¢/kWh based on the system capital cost. This storage cost is lower than compressed air and battery technologies and comparable to pumped hydro, but improvements in cell technology and additional system simulation and hardware selection must be addressed before commercialization.
590 $a School code: 0052.
650 4 $a Mechanical engineering. $3 649730
650 4 $a Chemical engineering. $3 560457
650 4 $a Alternative Energy. $3 1035473
690 $a 0548
690 $a 0542
690 $a 0363
710 2 $a Colorado School of Mines. $b Mechanical Engineering. $3 2092097
773 0 $t Dissertation Abstracts International $g 76-09B(E).
790 $a 0052
791 $a Ph.D.
792 $a 2015
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3703686