A mathematical model of a zinc/bromine flow cell

A mathematical model of a zinc/bromine flow cell

A mathematical model is presented for a zinc/bromine flow cell. The model includes a thin porous layer on the bromine electrode and a porous separator. The independent parameters of the porous layer are defined, and their effect on cell performance during charge and discharge is investigated. The de...

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Veröffentlicht in:J. Electrochem. Soc.; (United States) 1987-04, Vol.134 (4), p.866-874
Hauptverfasser: EVANS, T. I, WHITE, R. E
Format: Artikel
Sprache:eng
Schlagworte:
250902 - Energy Storage- Batteries- Performance & Testing
250903 - Energy Storage- Batteries- Materials, Components, & Auxiliaries
Applied sciences
BATTERY SEPARATORS
DESIGN
DIMENSIONS
Direct energy conversion and energy accumulation
EFFICIENCY
ELECTRIC BATTERIES
ELECTRIC CHARGES
ELECTRIC DISCHARGES
Electrical engineering. Electrical power engineering
Electrical power engineering
ELECTROCHEMICAL CELLS
Electrochemical conversion: primary and secondary batteries, fuel cells
ELECTRODES
ENERGY EFFICIENCY
ENERGY STORAGE
Exact sciences and technology
LAYERS
MATHEMATICAL MODELS
METAL-NONMETAL BATTERIES
POROSITY
THICKNESS
ZINC-BROMINE BATTERIES
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Beschreibung
Zusammenfassung:A mathematical model is presented for a zinc/bromine flow cell. The model includes a thin porous layer on the bromine electrode and a porous separator. The independent parameters of the porous layer are defined, and their effect on cell performance during charge and discharge is investigated. The dependence of the round trip energy efficiency on the thickness of the porous layer and mode of discharge is presented. The predictions of the model show that a maximum round trip energy efficiency of 70% should be possible under the design conditions considered.
ISSN:0013-4651
1945-7111
DOI:10.1149/1.2100588