Zinc air refuelable battery: alternative zinc fuel morphologies and cell behavior
Multicell zinc/air batteries have been tested previously in the laboratory and as part of the propulsion system of an electric bus; cut zinc wire was used as the anode material. This battery is refueled by a hydraulic transport of 0.5-1 mm zinc particles into hoppers above each cell. We report an investigation concerning alternative zinc fuel morphologies, and energy losses associated with refueling and with overnight or prolonged standby. Three types of fuel pellets were fabricated, tested and compared with results for cut wire: spheres produced in a fluidized bed electrolysis cell; elongated particles produced by gas-atomization; and pellets produced by chopping 1 mm porous plates made of compacted zinc fines. Relative sizes of the particles and cell gap dimensions are critical. All three types transported within the cell 1553 and showed acceptable discharge characteristics, but a fluidized bed approach appears especially attractive for owner/user recovery operations.
- Research Organization:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 644523
- Report Number(s):
- UCRL-JC-125729; CONF-970168-; ON: DE98050257; CNN: W-7405-Eng-48
- Resource Relation:
- Conference: 12. Annual battery conference on applications and advances, Long Beach, CA (United States), 14-17 Jan 1997; Other Information: PBD: 1 Jan 1997
- Country of Publication:
- United States
- Language:
- English
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