Batteries comprising vented electrodes. [bipolar electrodes, circulating electrolyte]
A high-energy density battery is described. The bipolar electrodes are constituted of walls of impervious material, preferably graphite. On the outside of the wall is a highly electropositive metal such as zinc; on the inside is a porous electrode of carbon (preferably). The electrodes of a cell constitute the opposite-facing electrodes on adjoining impervious walls. During charging, zinc is deposited on the impervious wall, as by plating from a zinc chloride electrolyte, and simultaneously chlorine is generated at the anode. During operation, zinc chloride solution containing dissolved chlorine is passed through the cell; Zn ..-->.. Zn ion and Cl ..-->.. Cl/sup -/. The electrolyte is then re-enriched and recirculated. Holes drilled in the upper part of the electrolyte channels permit venting of trapped gas. (RWR)
- Assignee:
- Energy Development Associates
- Patent Number(s):
- US 3909298
- OSTI ID:
- 7123180
- Resource Relation:
- Patent File Date: Filed date 18 Nov 1971
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ZINC-CHLORINE BATTERIES
DESIGN
GRAPHITE
VENTS
ZINC CHLORIDES
CARBON
CHLORIDES
CHLORINE COMPOUNDS
ELECTRIC BATTERIES
ELECTROCHEMICAL CELLS
ELEMENTS
ENERGY STORAGE SYSTEMS
HALIDES
HALOGEN COMPOUNDS
METAL-GAS BATTERIES
NONMETALS
ZINC COMPOUNDS
ZINC HALIDES
250901* - Energy Storage- Batteries- Design & Development