Matrix Study of Aged SOFC Performance and Materials Degradation - - PowerPoint PPT Presentation

matrix study of aged sofc performance and materials
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Matrix Study of Aged SOFC Performance and Materials Degradation - - PowerPoint PPT Presentation

Matrix Study of Aged SOFC Performance and Materials Degradation Project FE0026095 Acumentrics SOFC, Boston University Program Manager: Joe Stoffa Problem statement Commercial viability of fuel cells requires Acceptance in widespread markets


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Matrix Study of Aged SOFC Performance and Materials Degradation

Project FE0026095 Acumentrics SOFC, Boston University Program Manager: Joe Stoffa

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Problem statement Commercial viability of fuel cells requires

Acceptance in widespread markets

Customer requirements

Superior performance Long service life High reliability Low capital outlay

Inexpensive SOFC product

Production requirements

Low materials cost High yield High throughput

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Long service life

Market Penetration High Margin

Project Statement

Matrix Study of Aged SOFC Performance and Materials Degradation

  • Degradation behavior
  • Degradation mechanism
  • Cell manufacturing

improvement

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Acumentrics SOFC, Inc

SOFC division established in 2000, “Powder to Power” in single facility in Westwood, MA Focus on “rugged” fuel cells, pioneered small tubular SOFC; 30 min startup and shutdown Unattended operation in remote locations with >25,000hrs PRODUCTS 250W-10kW products, 250-1500 W commercial power products (NG, APG, LPG) with - 500 MW-hr 3kW and 10kW development products (biofuel, diesel, JP8) for the US military FUELS and APPLICATIONS Natural gas, LPG, JP8, biofuel Critical remote power Units all utilize remote monitoring for additional reliability

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Remote Power Application

US Coast Guard Radio Network Towers in Alaska LPG flown in by helicopter; fuel efficiency highly desirable

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Remote LPG and NG Applications

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Commercial SOFC in a Remote Power Application

Hourly averaged data of the voltage and current output from a field unit.

  • 5.0

0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 1000 2000 3000 4000 5000 6000 7000 8000 9000 100001100012000130001400015000160001700018000190002000021000220002300024000 Vout Iout

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Team Arrangement

NDA between Acumentrics and BU is already in place Teams will transfer technical information on a bi-weekly basis

Acumentrics Business and Administrative Contact Doug Schmidt Acumentrics PIs Neil Fernandes, Shawn Ji Boston University Professor Gopalan’s group NETL Manager Joe Stoffa Acumentrics SOFC Project Coordinator

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Project Overview

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  • Prof. Gopalan’s Group at Boston

University

Impendence test capability

In-situ high temperature measurement

Microstructure analysis capability

SEM/EDX FIB/FESEM XPS AES Access to facilities in other institutions

There will be one student dedicated to this project with appropriate training

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Project Schedule

ID Task N ame 2

Matrix Study of Aged SOFC Performance and Materials Degradation

3 4

Task 1.0 Project management and planning

5

Task 2.0 Survey of metadata and categorization of cells from aged stacks

6

Task 3.0 Electrochemical characterization of aged cells

7

Task 4.0 Application of NDT techniques for imaging defects in aged cells

8

Task 5.0 Materials characterization of aged cells

9

Task 6.0 Pattern analysis of accumulated data

Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr Quarter 1 Quarter 2 Quarter 3 Quarter 4 Quarter 5 Quarter 6 Quarte