Thermal switch material suitable for use in controlling short circuits in lithium-ion batteries and method of making the thermal switch material
A composite thermal switch material suitable for use in controlling short circuits in lithium ion batteries. The switch material comprises a substantially homogeneous matrix of metallic nanoparticles and non-electrically conductive polymeric nanoparticles, the non-electrically conductive polymeric n...
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| creator | HARRISON KATHERINE E MOELLER MICHAEL P O'TOOLE SHANNON VAN BLARCOM SHELLY L MCDONALD ROBERT C |
| description | A composite thermal switch material suitable for use in controlling short circuits in lithium ion batteries. The switch material comprises a substantially homogeneous matrix of metallic nanoparticles and non-electrically conductive polymeric nanoparticles, the non-electrically conductive polymeric nanoparticles being fused to one another and having a greater thermal expansion coefficient than the metallic nanoparticles, the metallic nanoparticles and the non-electrically conductive polymeric nanoparticles being present in said substantially homogeneous matrix in relative proportions such that the composite thermal switch material is electrically conductive below a switching temperature and is substantially non-electrically conductive at or above the switching temperature. |
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The switch material comprises a substantially homogeneous matrix of metallic nanoparticles and non-electrically conductive polymeric nanoparticles, the non-electrically conductive polymeric nanoparticles being fused to one another and having a greater thermal expansion coefficient than the metallic nanoparticles, the metallic nanoparticles and the non-electrically conductive polymeric nanoparticles being present in said substantially homogeneous matrix in relative proportions such that the composite thermal switch material is electrically conductive below a switching temperature and is substantially non-electrically conductive at or above the switching temperature.</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CABLES</subject><subject>CONDUCTORS</subject><subject>ELECTRICITY</subject><subject>INSULATORS</subject><subject>LAYERED PRODUCTS</subject><subject>LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM</subject><subject>PERFORMING OPERATIONS</subject><subject>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</subject><subject>SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2010</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNTUsKwjAQ7caFqHcYcF3ohx5ARHFvXZc0nZqhSaYkU7yGR7YBly5cPB6P99tm79ZgcMpCfJFoA04JBkp6IVG9RRg5wBIRyINmL4GtJf-EaDgIaAp6DcbkWhJDi8uJPfRK0g5GUH4Ah2J4AB7X-SmVxWDCr-N9thmVjXj48i47Xi_t-ZbjzB3GWWn0KN3jXhVlUTVN3dSnsv4v9QEi9FCq</recordid><startdate>20101007</startdate><enddate>20101007</enddate><creator>HARRISON KATHERINE E</creator><creator>MOELLER MICHAEL P</creator><creator>O'TOOLE SHANNON</creator><creator>VAN BLARCOM SHELLY L</creator><creator>MCDONALD ROBERT C</creator><scope>EVB</scope></search><sort><creationdate>20101007</creationdate><title>Thermal switch material suitable for use in controlling short circuits in lithium-ion batteries and method of making the thermal switch material</title><author>HARRISON KATHERINE E ; MOELLER MICHAEL P ; O'TOOLE SHANNON ; VAN BLARCOM SHELLY L ; MCDONALD ROBERT C</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2010255353A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2010</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CABLES</topic><topic>CONDUCTORS</topic><topic>ELECTRICITY</topic><topic>INSULATORS</topic><topic>LAYERED PRODUCTS</topic><topic>LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM</topic><topic>PERFORMING OPERATIONS</topic><topic>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</topic><topic>SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>HARRISON KATHERINE E</creatorcontrib><creatorcontrib>MOELLER MICHAEL P</creatorcontrib><creatorcontrib>O'TOOLE SHANNON</creatorcontrib><creatorcontrib>VAN BLARCOM SHELLY L</creatorcontrib><creatorcontrib>MCDONALD ROBERT C</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HARRISON KATHERINE E</au><au>MOELLER MICHAEL P</au><au>O'TOOLE SHANNON</au><au>VAN BLARCOM SHELLY L</au><au>MCDONALD ROBERT C</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Thermal switch material suitable for use in controlling short circuits in lithium-ion batteries and method of making the thermal switch material</title><date>2010-10-07</date><risdate>2010</risdate><abstract>A composite thermal switch material suitable for use in controlling short circuits in lithium ion batteries. 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| subjects | BASIC ELECTRIC ELEMENTS CABLES CONDUCTORS ELECTRICITY INSULATORS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES TRANSPORTING |
| title | Thermal switch material suitable for use in controlling short circuits in lithium-ion batteries and method of making the thermal switch material |
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