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Title: Electrically rechargeable battery. [Zn anode with circulating ferricyanide salt; 35 mA/cm/sup 2/, 1. 4 V, 91% efficient]

Abstract

An electrically rechargeable battery comprises an inert cathode, a zinc anode, and an aqueous alkaline electrolyte, for example, NaOH, in which the anode and cathode are immersed. The alkaline electrolyte in the vicinity of the cathode contains an alkali metal ferricyanide salt, such as K/sub 3/Fe(CN)/sub 6/ or Na/sub 3/Fe(CN)/sub 6/. Optionally, a mechanical separator is utilized between the anode and cathode to prevent gross mixing of the saturated electrolyte at the cathode with the electrolyte in the vicinity of the anode. Preferably, the separator is of the ion exchange type. During electrical discharge at the anode and cathode, the battery produces soluble reaction products that are transported in the electrolyte to respective external storage tanks that increase battery capacity. During the charge cycle, the reverse conditions occur. 3 figures.

Inventors:
Publication Date:
OSTI Identifier:
5192397
Patent Number(s):
US 4180623
Assignee:
Lockheed Missiles and Space Co., Inc.
Resource Type:
Patent
Resource Relation:
Patent File Date: Filed date 28 Jul 1978
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; ELECTRIC BATTERIES; DESIGN; OFF-PEAK ENERGY STORAGE; AMBIENT TEMPERATURE; CIRCULATING SYSTEMS; EFFICIENCY; ELECTROLYTES; FERRICYANIDES; POTASSIUM COMPOUNDS; SODIUM COMPOUNDS; SODIUM HYDROXIDES; ZINC; ALKALI METAL COMPOUNDS; COMPLEXES; ELECTROCHEMICAL CELLS; ELEMENTS; ENERGY STORAGE; ENERGY STORAGE SYSTEMS; HYDROGEN COMPOUNDS; HYDROXIDES; IRON COMPLEXES; METALS; OXYGEN COMPOUNDS; STORAGE; TRANSITION ELEMENT COMPLEXES; 250901* - Energy Storage- Batteries- Design & Development

Citation Formats

Adams, G B. Electrically rechargeable battery. [Zn anode with circulating ferricyanide salt; 35 mA/cm/sup 2/, 1. 4 V, 91% efficient]. United States: N. p., 1979. Web.
Adams, G B. Electrically rechargeable battery. [Zn anode with circulating ferricyanide salt; 35 mA/cm/sup 2/, 1. 4 V, 91% efficient]. United States.
Adams, G B. 1979. "Electrically rechargeable battery. [Zn anode with circulating ferricyanide salt; 35 mA/cm/sup 2/, 1. 4 V, 91% efficient]". United States.
@article{osti_5192397,
title = {Electrically rechargeable battery. [Zn anode with circulating ferricyanide salt; 35 mA/cm/sup 2/, 1. 4 V, 91% efficient]},
author = {Adams, G B},
abstractNote = {An electrically rechargeable battery comprises an inert cathode, a zinc anode, and an aqueous alkaline electrolyte, for example, NaOH, in which the anode and cathode are immersed. The alkaline electrolyte in the vicinity of the cathode contains an alkali metal ferricyanide salt, such as K/sub 3/Fe(CN)/sub 6/ or Na/sub 3/Fe(CN)/sub 6/. Optionally, a mechanical separator is utilized between the anode and cathode to prevent gross mixing of the saturated electrolyte at the cathode with the electrolyte in the vicinity of the anode. Preferably, the separator is of the ion exchange type. During electrical discharge at the anode and cathode, the battery produces soluble reaction products that are transported in the electrolyte to respective external storage tanks that increase battery capacity. During the charge cycle, the reverse conditions occur. 3 figures.},
doi = {},
url = {https://www.osti.gov/biblio/5192397}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Dec 25 00:00:00 EST 1979},
month = {Tue Dec 25 00:00:00 EST 1979}
}