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Title: Materials for electrochemical device safety

Patent ·
OSTI ID:1349885

An electrochemical device includes a thermally-triggered intumescent material or a gas-triggered intumescent material. Such devices prevent or minimize short circuits in a device that could lead to thermal run-away. Such devices may include batteries or supercapacitors.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC02-06CH11357
Assignee:
UChicago Argonne, LLC (Chicago, IL)
Patent Number(s):
8,999,561
Application Number:
13/104,134
OSTI ID:
1349885
Resource Relation:
Patent File Date: 2011 May 10
Country of Publication:
United States
Language:
English

References (7)

Ambient cure polyimide foams prepared from aromatic polyisocyanates, aromatic polycarboxylic compounds, furfuryl alcohol, and a strong inorganic acid patent January 1980
Intumescent flame-resistant coating patent December 1981
Intumescent material-coated galvanic cells patent November 1984
Intumescent flame-resistant coating composition patent September 1987
Flame retardant battery patent January 2009
Diagnostic examination of thermally abused high-power lithium-ion cells journal October 2006
Lithium Ion-selective Electrodes Employing Tetrahydrofuran-based 16-Crown-4 Derivatives as Neutral Carriers journal January 1997