Described herein is a composition, article and method thereof, wherein the composition comprises (i) a fluoropolymer and (ii) an ionic liquid.

Described herein is a composition, article and method thereof, wherein the composition comprises (i) a fluoropolymer and (ii) an ionic liquid.

To provide an adhesive excellent in heat resistance and adhesive property. An adhesive comprising a fluorinated polymer having a weight average molecular weight (Mw) of from 610.sup.3 to 310.sup.4 and having iodine atoms at both terminals, and a radical generator. The fluorinated polymer has structural units derived from at least one monomer selected from the group consisting of tetrafluoroethylene, vinylidene fluoride, hexafluoropropylene and a perfluoro(alkyl vinyl ether).

To provide an adhesive excellent in heat resistance and adhesive property. An adhesive comprising a fluorinated polymer having a weight average molecular weight (Mw) of from 610.sup.3 to 310.sup.4 and having iodine atoms at both terminals, and a radical generator. The fluorinated polymer has structural units derived from at least one monomer selected from the group consisting of tetrafluoroethylene, vinylidene fluoride, hexafluoropropylene and a perfluoro(alkyl vinyl ether).

To provide an adhesive excellent in heat resistance and adhesive property. An adhesive comprising a fluorinated polymer having a weight average molecular weight (Mw) of from 610.sup.3 to 310.sup.4 and having iodine atoms at both terminals, and a radical generator. The fluorinated polymer has structural units derived from at least one monomer selected from the group consisting of tetrafluoroethylene, vinylidene fluoride, hexafluoropropylene and a perfluoro(alkyl vinyl ether).

Disclosed herein is an electrically conductive adhesive composition and its use in solar cell modules, wherein the electrically conductive adhesive comprises a fluoroelastomer matrix and dispersed in the fluoroelastomer matrix about 40-90 wt % of conductive particles, with the wt % of all components comprised in the compositions totaling to 100 wt %.

Disclosed herein is an electrically conductive adhesive composition and its use in solar cell modules, wherein the electrically conductive adhesive comprises a fluoroelastomer matrix and dispersed in the fluoroelastomer matrix about 40-90 wt % of conductive particles, with the wt % of all components comprised in the compositions totaling to 100 wt %.

An adhesive film includes: a resin film layer; and an adhesive layer laminated to the resin film layer, in which the adhesive layer includes an adhesive agent, the adhesive layer is in a B stage state, an oxygen transmission rate at 200 C. of the resin film layer, measured in accordance with JIS K7126-1, is 1.5010.sup.10 cc.Math.cm/cm.sup.2.Math.sec.Math.cmHg or less, and a 3% thermal weight reduction temperature of the adhesive agent is 320 C. or higher.

An adhesive film includes: a resin film layer; and an adhesive layer laminated to the resin film layer, in which the adhesive layer includes an adhesive agent, the adhesive layer is in a B stage state, an oxygen transmission rate at 200 C. of the resin film layer, measured in accordance with JIS K7126-1, is 1.5010.sup.10 cc.Math.cm/cm.sup.2.Math.sec.Math.cmHg or less, and a 3% thermal weight reduction temperature of the adhesive agent is 320 C. or higher.

A secondary battery includes an electrode assembly. The electrode assembly includes a positive electrode plate, a negative electrode plate, and a separator. The separator is disposed between the positive electrode plate and the negative electrode plate. The negative electrode plate includes a negative electrode current collector and a negative electrode active material layer. A surface of the negative electrode active material layer facing towards the positive electrode plate has grooves, a width of the groove is W mm, and a spacing of the grooves is S mm. A thickness of the electrode assembly is T.sub.1 mm, satisfying: WST.sub.1/1000.