Method of cooling zinc halogen batteries

Chemistry: electrical current producing apparatus – product – and – Process of cell operation – Electrolyte circulation

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429 70, 429120, H01M 238

Patent

active

043060005

ABSTRACT:
This disclosure relates to a method of cooling zinc halogen batteries which involves the use of a liquid-overfeed cooling system utilizing a fluorocarbon refrigerant or the like. This new method is adaptable for use in either cooling the battery store water during charge so that a solid halogen hydrate will form, or for use in cooling the battery electrolyte, or both. This direct-cooling, liquid-overfeed system is especially suited for use with a series of batteries as is proposed for use in utility load leveling systems and provides several advantages over other conventional cooling alternatives including an improved coefficient of performance, better heat transfer and temperature control, and reduced capital cost.

REFERENCES:
patent: 3713888 (1973-01-01), Symons
patent: 3783027 (1974-01-01), Bjorkman
patent: 3793077 (1974-02-01), Behling
patent: 3809578 (1974-05-01), Symons
patent: 3907592 (1975-09-01), Symons
patent: 3908001 (1975-09-01), Symons et al.
patent: 3935024 (1976-01-01), Symons
patent: 3940283 (1976-02-01), Symons
patent: 3993502 (1976-11-01), Bjorkman, Jr.
patent: 4020238 (1977-04-01), Symons
patent: 4072540 (1978-02-01), Symons et al.
patent: 4115529 (1978-09-01), Behling
patent: 4127701 (1978-11-01), Symons et al.
"Evaluation of a 1-kWh Zinc Chloride Battery System", Palo Alto, Cal.: Electric Power Research Inst., Sep. 1976 EM-249.
"Development of High Efficiency, Cost-Effective, Zinc-Chlorine Batteries for Utility Peak Shaving, 1976", Palo Alto, Cal.: Elec. Pow. Res. Inst., Mar. 1978 EM-711.
"Development of the Zinc-Chloride Battery for Utility Applications", Palo Alto, Cal.: Elec. Pow. Res. Inst., Apr. 1979, EM-1051.
"Development of the Zinc-Chlorine Battery for Utility Applications", Palo Alto, Cal.: Elec. Pow. Res. Inst., Apr. 1979 EM-1051, Part II.
Warde, Symons, Whittlesey & Catherino, "100-MWh Zinc-Chlorine Peak Shaving Battery Plants", Proceedings of the 13 Intersoc. Energy Conversion Engineering Conf., vol. I, 1978, pp. 755-763.
Whittlesey, Symons, Warde & Brummet, "The Zinc-Chlorine Battery in the BEST Facility: 1981", Proceedings of the 14th Intersoc. Energy Conv. Eng. Conf. vol. II, 1979, pp. 2059-2064.

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