Embed Size (px)
DESCRIPTION
Xingbo Liu West Virginia University September 23, 2013. Center of Electrochemical Energy Systems (CEES) in WVU. High Efficiency Fuel Flexibility & Impurity Tolerance Internal Reforming Capability. SOFC in Integrated Gasification Fuel-cell Combined Cycle (IGFC) System. SOFC and Coal Syngas. - PowerPoint PPT Presentation
Citation preview
Center of Electrochemical Energy
Systems (CEES) in WVU
Xingbo LiuWest Virginia University
September 23, 2013
2
2
22
2 2 2
: 2 4 4
: 4 2
: 2 2
Anode H H e
Cathode O e O
Overall H O H O electricity
• High Efficiency
• Fuel Flexibility & Impurity Tolerance
• Internal Reforming Capability
SOFC in Integrated Gasification Fuel-cell Combined Cycle (IGFC) System
3
SOFC and Coal Syngas
• Syngas: Product of coal gasification• Typical Compositions: 30% H2, 26% H2O, 23% CO, 21% CO2. Intentionally control the water concentration to prevent carbon deposition (coking) on the anode surface.• Contaminants: H2S, HCl, PH3, AsH3, Hg, Sb, Zn, Cd, Se, HCl etc. They may react and destroy the cell anode.
J.P. Trembly, R.S. Gemmen, D.J. Bayless Journal of Power Sources 163 (2007) 986–996
• In coal syngas PH3 concentration is typically 1-10 ppm.
Mingyang Gong, Xingbo Liu*, Jason Trembly, Christopher Johnson: “Sulfur-tolerant anode materials for solid oxide fuel cell application”, Journal of Power Sources 168 (2007) 289-298
5
Challenges in Coal-Based SOFC Systems
Anode– Impurity Effects on Ni-YSZ Anode (P, S, Cl, etc.)– Impurity Tolerant Anodes
Interconnect – Corrosion of Metallic Interconnect in Coal Syngas– Electrochemical Deposition of (Mn,Co) spinel coatings
Cathode– Improving Performance by Infiltration– Fundamental Parameters Characterization– ORR Modeling in Infiltrated Cathode
6
Utilizing Shale Gas with SOFC
• High Efficiency• Concurrent Generation of Power and Chemicals
Launch of CEES
7
Energy Storage – A Game Changer
Fossil–Renewable“Hybrid”Grid Peak Shaving, Power Quality Community Energy Storage Smart Grid First MW Na-S Battery in US,
near Charleston, WV
50 m Wind Map in WV
AES Laurel Mountain Project near Elkins, WV
Planar Sodium-Batteries
9
Protective Layer
+
Cathode
NaSICON/glass electrolyte
Anode: Sodium
Anode plate
Cathode plate
Copper woolGasket
Seal ring
CathodeCathode
Layer-by-Layer – LiLayer-by-Layer – Li
ElectrolyteElectrolyte
ab initio/Tight Binding - Lewisab initio/Tight Binding - Lewis
TEM - SongTEM - Song
Electrolyte Development - Liu
Electrolyte Development - Liu
CellCell
Manufacturing - Liu Manufacturing - Liu
Modeling - Celik Modeling - Celik
AnodeAnode
Ionic liquid Synthesis - ShiIonic liquid Synthesis - Shi
10
CEES is doing R&D on high temperature electrochemical systems for energy conversion and storage– Solid Oxide Fuel Cells– Sodium Batteries for Stationary Energy Storage– Etc.
The advantages of these systems are– Highly efficient– Multi-functional– Reduce Carbon footprint and other pollutions
Workforce development
Business Development and Job Creation in WV
Summary
Acknowledgement
Funding SourcesDoE - EPSCoR, SECA, SBIR, NETL-RUA, OEWV HEPC-RCG
CollaboratorsWVU - Ismail Celik, Bruce Kang, Nick Wu, Xueyan Song, Ed Sabolsky (MAE); John Zondlo (ChE); Harry Finklea, Mike Shi (Chemistry), James Lewis (Physics), Bingyun Li (HSC), Patricia Lee (Law), Trina Wafle, Kathleen Cullen, Dick Bajura, Carl Irwin (NRCCE)National Labs – NETL (Kirk Gerdes etc.), PNNL (Vince Sprenkle etc.)Industrial PartnersInternational Collaboration – AIST- Japan
11
Contact Information
Dr. Xingbo Liu (刘兴博）Mechanical & Aerospace Engineering Department
Benjamin M. Statler College of Engineering & Mineral Resources
West Virginia University
Morgantown, WV 26506-6106
Tel. (304) 293-3339
Email: [email protected]
12
13
THANK YOUTHANK YOU
