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Chloromethyl chlorosulfate as a voltage delay inhibitor in lithium cells

Patent ·
OSTI ID:6050737

Chloromethyl chlorosulfate (CMCS) is used as a passive film growth inhibitor in electrochemical cells to minimize voltage delay and low-voltage discharge. Film growth on lithium anodes is significantly diminished when CMCS is added to SOCl[sub 2] and SO[sub 2]Cl[sub 2] electrolytes of lithium batteries. The CMCS also has the effect of extending the shelf-life of Li/SOCl[sub 2] and Li/SO[sub 2]Cl[sub 2] batteries.

DOE Contract Number:
AC04-76DP00789
Assignee:
Dept. of Energy, Washington, DC (United States)
Patent Number(s):
A; US 5202203
Application Number:
PPN: US 7-680973
OSTI ID:
6050737
Country of Publication:
United States
Language:
English

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Related Subjects

25 ENERGY STORAGE
250903* -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
ADDITIVES
CHLORINE COMPOUNDS
ELECTRIC BATTERIES
ELECTRIC POTENTIAL
ELECTROCHEMICAL CELLS
ELECTROLYTES
FILMS
HALOGEN COMPOUNDS
INHIBITION
LIFETIME
LITHIUM-CHLORINE BATTERIES
LITHIUM-SULFUR BATTERIES
METAL-GAS BATTERIES
METAL-NONMETAL BATTERIES
OXYGEN COMPOUNDS
SERVICE LIFE
SULFATES
SULFUR COMPOUNDS