Mechanism and kinetics of iron electrode dissolution in KOH electrolytes
Conference
·
OSTI ID:6246162
The studies described in this paper were made to determine the effects of adding LiOH, K/sub 2/S, or FeO to the KOH electrolytes, and the variation of KOH concentration on the dissolution behavior of iron electrodes. LiOH is used as a standard component in alkaline electrolytes in nickel-iron cells, and it has been reported that the charge inefficiency of the iron electrode caused by H/sub 2/ gas evolution can be reduced by the addition of sulfur-bearing anion to the electrolyte. The study of the FeO additive was included solely to aid in the understanding of the iron dissolution mechanism. Studies were performed using both cyclic volammetric and rotating ring-disc electrode (RRDE) techniques.
- Research Organization:
- Argonne National Lab., IL (USA)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 6246162
- Report Number(s):
- CONF-831086-14; ON: DE85005039
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
25 ENERGY STORAGE
250903* -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
ADDITIVES
ALKALI METAL COMPOUNDS
CHALCOGENIDES
DISSOLUTION
ELECTRIC BATTERIES
ELECTROCHEMICAL CELLS
ELECTRODES
ELECTROLYTES
ELEMENTS
HYDROGEN COMPOUNDS
HYDROXIDES
IRON
IRON COMPOUNDS
IRON OXIDES
IRON-NICKEL BATTERIES
LITHIUM COMPOUNDS
LITHIUM HYDROXIDES
METAL-METAL OXIDE BATTERIES
METALS
OXIDES
OXYGEN COMPOUNDS
POTASSIUM COMPOUNDS
POTASSIUM HYDROXIDES
POTASSIUM SULFIDES
SULFIDES
SULFUR COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
250903* -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
ADDITIVES
ALKALI METAL COMPOUNDS
CHALCOGENIDES
DISSOLUTION
ELECTRIC BATTERIES
ELECTROCHEMICAL CELLS
ELECTRODES
ELECTROLYTES
ELEMENTS
HYDROGEN COMPOUNDS
HYDROXIDES
IRON
IRON COMPOUNDS
IRON OXIDES
IRON-NICKEL BATTERIES
LITHIUM COMPOUNDS
LITHIUM HYDROXIDES
METAL-METAL OXIDE BATTERIES
METALS
OXIDES
OXYGEN COMPOUNDS
POTASSIUM COMPOUNDS
POTASSIUM HYDROXIDES
POTASSIUM SULFIDES
SULFIDES
SULFUR COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS