Electrolyte composition for electrochemical cell

Patent · Mon Jan 01 00:00:00 EST 1979

OSTI ID:863361

Vissers, Donald R ^[1]; Tomczuk, Zygmunt ^[2]; Anderson, Karl E ^[3]; Roche, Michael F ^[4]

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1. Naperville, IL
2. Orland Park, IL
3. Westchester, IL
4. Downers Grove, IL

A high-temperature, secondary electrochemical cell that employs FeS as the positive electrode reactant and lithium or lithium alloy as the negative electrode reactant includes an improved electrolyte composition. The electrolyte comprises about 60-70 mole percent LiCl and 30-40 percent mole percent KCl which includes LiCl in excess of the eutectic composition. The use of this electrolyte suppresses formation of the J phase and thereby improves the utilization of positive electrode active material during cell cycling.

• Research Organization: Argonne National Laboratory (ANL), Argonne, IL (United States)
• Assignee: United States of America as represented by United States (Washington, DC)
• Patent Number(s): US 4156758
• OSTI ID: 863361
• Country of Publication: United States
• Language: English

Related Subjects

electrolyte
composition
electrochemical
cell
high-temperature
secondary
employs
fes
positive
electrode
reactant
lithium
alloy
negative
improved
comprises
60-70
mole
percent
licl
30-40
kcl
excess
eutectic
suppresses
formation
phase
improves
utilization
active
material
cycling
electrode reactant
eutectic composition
electrolyte composition
secondary electrochemical
positive electrode
negative electrode
active material
electrochemical cell
mole percent
lithium alloy
electrode active
electrolyte comprises
improved electrolyte
/429/