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Positive electrode current collector for liquid metal cells

Patent ·
OSTI ID:864937
 [1];  [2]
  1. Hinsdale, IL
  2. Joliet, IL
+ Show Author Affiliations
A current collector for the positive electrode of an electrochemical cell with a positive electrode including a sulfide. The cell also has a negative electrode and a molten salt electrolyte including halides of a metal selected from the alkali metals and the alkaline earth metals in contact with both the positive and negative electrodes. The current collector has a base metal of copper, silver, gold, aluminum or alloys thereof with a coating thereon of iron, nickel, chromium or alloys thereof. The current collector when subjected to cell voltage forms a sulfur-containing compound on the surface thereby substantially protecting the current collector from further attack by sulfur ions during cell operation. Both electroless and electrolytic processes may be used to deposit coatings.
Research Organization:
Argonne National Laboratory (ANL), Argonne, IL
Assignee:
United States of America as represented by United States (Washington, DC)
Patent Number(s):
US 4440837
OSTI ID:
864937
Country of Publication:
United States
Language:
English

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Related Subjects

/429/
alkali
alkali metal
alkali metals
alkaline
alkaline earth
alloys
aluminum
attack
base
base metal
cell
cell operation
cell voltage
cells
chromium
coating
coating thereon
coatings
collector
compound
contact
containing compound
copper
current
current collector
deposit
earth
earth metal
earth metals
electrochemical
electrochemical cell
electrode
electrode current
electrode including
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electroless
electrolyte
electrolyte including
electrolytic
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forms
gold
halides
including
iron
liquid
liquid metal
metal
metal cells
metal selected
metals
molten
molten salt
negative
negative electrode
negative electrodes
nickel
operation
positive
positive electrode
processes
protecting
salt
salt electrolyte
selected
silver
subjected
substantially
sulfide
sulfur
sulfur-containing
sulfur-containing compound
surface
thereon
voltage