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Hydrating a battery plaque impregnated with a metal nitrate in a hydroxide solution and subsequent recovery of the nitrate by-product as crystals. [preparation]

Patent ·
OSTI ID:7211670
;
A method for producing battery electrodes is described. Battery plaque impregnated with cadmium, cobalt, nickel, or silver nitrate is immersed in a hot, concentrated solution of an alkali metal hydroxide, which process results in precipitation of metal (Cd, Co, Ni, Ag) hydroxide within the plaque. The proper methods for handling and recycling the solutions involved to minimize losses are explained. (RWR)
Assignee:
ESB Inc.
Patent Number(s):
US 3647586
OSTI ID:
7211670
Country of Publication:
United States
Language:
English

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Related Subjects

25 ENERGY STORAGE
250903* -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
ALKALI METAL COMPOUNDS
CADMIUM COMPOUNDS
CADMIUM HYDROXIDES
CHEMICAL PREPARATION
COBALT COMPOUNDS
COBALT HYDROXIDES
ELECTRIC BATTERIES
ELECTROCHEMICAL CELLS
ELECTRODES
ENERGY STORAGE SYSTEMS
HYDROGEN COMPOUNDS
HYDROXIDES
IMPREGNATION
IRON-NICKEL BATTERIES
METAL-METAL OXIDE BATTERIES
NICKEL COMPOUNDS
NICKEL HYDROXIDES
NICKEL-CADMIUM BATTERIES
NICKEL-ZINC BATTERIES
OXYGEN COMPOUNDS
SILVER COMPOUNDS
SILVER HYDROXIDES
SODIUM COMPOUNDS
SODIUM HYDROXIDES
SYNTHESIS
TRANSITION ELEMENT COMPOUNDS