seminarium seneres ra

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Instytut EnergetykiSeminarium Naukowe SENERES Warszawa 27.01.2014

Scaling up Direct carbon fuel cell (DCFC) Technology:laboratory scale to pilot scale

Scaling up Direct carbon fuel cell (DCFC)Technology: laboratory scale to pilot scale

Rui Antunes


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Hybrid DC Molten carbonate/SOFC


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Batch reactor hybrid DC-SOFC (Univ. St. Andrews, UK)


5/21Instytut EnergetykiSeminarium Naukowe SENERES Warszawa 27.01.2014


Prototype: single cell stack

Source: Scaling up of the hybrid direct carbon fuel cell technology, Andrew C. Chien, Gale Corre, Rui Antunes,John T.S. Irvine, International Journal of Hydrogen Energy, Volume 38, Issue 20, 9 July 2013, Pages 8497-8502
http://www.sciencedirect.com/science/article/pii/S0360319912024238http://www.sciencedirect.com/science/article/pii/S0360319912024238http://www.sciencedirect.com/science/article/pii/S0360319912024238http://www.sciencedirect.com/science/article/pii/S0360319912024238http://www.sciencedirect.com/science/article/pii/S0360319912024238http://www.sciencedirect.com/science/article/pii/S0360319912024238http://www.sciencedirect.com/science/article/pii/S0360319912024238http://www.sciencedirect.com/science/article/pii/S0360319912024238




Direct Carbon-SOFC




Current and

Voltage wires

Carbon powder

Inert gas

to the

shield

Inert gas to

the anode

compartment

Gaseous

reaction

products

exhaust

SOFC

5 x 5 cm2Cathode air

supply

Depleted air

exhaust

Batch Electrochemical Reactor DC-SOFC (IEn, Poland)




Source: Equilibrium concentrations for Boudouard reaction, p =1atm. T. Reed, MIT Press (1971)




Source: Modeling of experimental results for carbon utilization in a carbon fuel cell, Brentan R. Alexander,Reginald E. Mitchell, Turgut M. GrJournal of Power Sources, Volume 228, 15 April 2013, Pages 132-140
http://www.sciencedirect.com/science/article/pii/S037877531201748Xhttp://www.sciencedirect.com/science/article/pii/S037877531201748X




Source: Direct carbon conversion in a helium fluidized bed fuel cell, Siwen Li a, Andrew C. Lee, Reginald E.Mitchell, Turgut M. Gr,Solid State Ionics 179 (2008) 15491552




Source: Direct Carbon Fuel Cell System Utilizing SolidCarbonaceous Fuels, Final Scientific/Technical Report,DOE Award DE-NT0004395, Turgut M. Gr, Direct Carbon Technologies, LLC, July 6, 2010

Conceptual Design of Fluidized Bed SOFC




Source: High performance solid oxide fuel cell operating on dry gasified coal, Turgut M. Gr, Michael Homel, AnilV. Virkar, Journal of Power Sources, Volume 195, Issue 4, 15 February 2010, Pages 1085-1090
http://www.sciencedirect.com/science/article/pii/S0378775309014566http://www.sciencedirect.com/science/article/pii/S0378775309014566




Source: Techno-Economic Analysis of Scalable Coal-Based Fuel Cells, University of Akron, Steve Chuang,Confidential Project Report, 2013

Total Project Value

$1,713,961

Main goal

Demonstration of technical andeconomic feasibility of building a 250kilowatt (kW) direct coal fuel cell(DCFC) pilot plant




Source: Techno-Economic Analysis of Scalable Coal-Based Fuel Cells, University of Akron, Steve Chuang,Confidential Project Report, 2013




Source:Feasibility of using ash-free coal in a solid-oxide-electrolyte direct carbon fuel cell,International Journal ofHydrogen Energy, Volume 37, Issue 15, August 2012, Pages 1140111408

Path 2: Solvent extraction of ash
http://www.sciencedirect.com/science/journal/03603199http://www.sciencedirect.com/science/journal/03603199http://www.sciencedirect.com/science/journal/03603199/37/15http://www.sciencedirect.com/science/journal/03603199/37/15http://www.sciencedirect.com/science/journal/03603199http://www.sciencedirect.com/science/journal/03603199




Path 3: Pre

procesing of solid fuel by CAVITATION COAL WATER FUEL (CCWF)

Idea under development

Complementary topic: Coal to liquids technology




Path 3: Pre

procesing of solid fuel by CAVITATION COAL WATER FUEL (CCWF)

Idea under development

Complementary topic: Coal to liquids technology

Patent application title: PREPARATION METHOD FOR ULTRA LOW ASH COAL-WATERSLURRY

Readmore: http://www.faqs.org/patents/app/20130061516#ixzz2rQHakjbR
http://www.faqs.org/patents/app/20130061516http://www.faqs.org/patents/app/20130061516


21/21I t t t E t kiS i i N k SENERES W 27 01 2014


Conclusions

There are three promising paths for scaling up DCFC Technology:

- Fluidised bed reactor concept

- Liquid carbonfeeding mechanism with pre-processing of coal by:

- solvent extraction (ash-free coal)

- by cavitation (ash-free coal)

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