Method for improving the durability of ion insertion materials

Patent · Tue Jan 01 00:00:00 EST 2002

OSTI ID:874581

Lee, Se-Hee ^[1]; Tracy, C Edwin ^[2]; Cheong, Hyeonsik M ^[3]

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1. Lakewood, CO
2. Golden, CO
3. Seoul, KR

The invention provides a method of protecting an ion insertion material from the degradative effects of a liquid or gel-type electrolyte material by disposing a protective, solid ion conducting, electrically insulating, layer between the ion insertion layer and the liquid or gel-type electrolyte material. The invention further provides liquid or gel-type electrochemical cells having improved durability having a pair of electrodes, a pair of ion insertion layers sandwiched between the pair of electrodes, a pair of solid ion conducting layers sandwiched between the ion insertion layers, and a liquid or gel-type electrolyte material disposed between the solid ion conducting layers, where the solid ion conducting layer minimizes or prevents degradation of the faces of the ion insertion materials facing the liquid or gel-type electrolyte material. Electrochemical cells of this invention having increased durability include secondary lithium batteries and electrochromic devices.

• Research Organization: Midwest Research Institute, Kansas City, MO (United States)
• DOE Contract Number: AC36-99GO10337
• Assignee: Midwest Research Institute (Kansas City, MO)
• Patent Number(s): US 6420071
• OSTI ID: 874581
• Country of Publication: United States
• Language: English

Related Subjects

method
improving
durability
insertion
materials
provides
protecting
material
degradative
effects
liquid
gel-type
electrolyte
disposing
protective
solid
conducting
electrically
insulating
layer
electrochemical
cells
improved
pair
electrodes
layers
sandwiched
disposed
minimizes
prevents
degradation
facing
increased
secondary
lithium
batteries
electrochromic
devices
electrochemical cell
electrically insulating
electrolyte material
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