A novel thin film solid oxide fuel cell for microscale energy conversion
Conference
·
OSTI ID:9662
- LLNL
A novel approach for the fabrication and assembly of a solid oxide fuel cell system is described which enables effective scaling of the fuel delivery, mainfold, and fuel cell stack components for applications in miniature and microscale energy conversion. Electrode materials for solid oxide fuel cells are developed using sputter deposition techniques. A thin film anode is formed by codeposition of nickel and yttria-stabilized zirconia (YSZ). This approach provides a mixed conducting interfacial layer between the nickel electrode and electrolyte layer. Similarly, a thin film cathode is formed by co-deposition of silver and yttria-stabilized zirconia. Additionally, sputter deposition of yttria-stabilized zirconia thin film electrolyte enables high quality, continuous films to be formed having thickness on the order of 1-2 {micro}m. This will effectively lower the temperature of operation for the fuel cell stack significantly below the traditional ranges at which solid oxide electrolyte systems are operated (600--1000 C), thereby rendering this fuel cell system suitable for miniaturization. Scaling towards miniaturization is accomplished by utilizing novel micromaching approaches which allow manifold channels and fuel delivery system to be formed within the substrate which the thin film fuel cell stack is fabricated on, thereby circumventing the need for bulky manifold components which are not directly scalable.
- Research Organization:
- Lawrence Livermore National Lab., CA (US)
- Sponsoring Organization:
- USDOE Office of Defense Programs (DP) (US)
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 9662
- Report Number(s):
- UCRL-JC-133146; YN0100000; 98-ERD-091; YN0100000; 98-ERD-091
- Country of Publication:
- United States
- Language:
- English
Similar Records
A novel thin film solid oxide fuel cell for microscale energy conversion
Thin film synthesis of novel electrode materials for solid-oxide fuel cells
Thin film synthesis of novel electrode materials for solid-oxide fuel cells
Conference
·
Wed Jul 21 00:00:00 EDT 1999
·
OSTI ID:14134
Thin film synthesis of novel electrode materials for solid-oxide fuel cells
Conference
·
Sun Nov 30 23:00:00 EST 1997
·
OSTI ID:589890
Thin film synthesis of novel electrode materials for solid-oxide fuel cells
Conference
·
Wed Jul 01 00:00:00 EDT 1998
·
OSTI ID:20019136