Patent ID: 8953304
Filing Date: 2015-02-10
Classification: H01G,Y10T

Abstract:
1. A separator for a solid electrolytic capacitor comprising a solid electrolyte and a nonwoven fabric holding said solid electrolyte, wherein said nonwoven fabric is a laminated nonwoven fabric having at least two layers of nonwoven fabric layers, said laminated nonwoven fabric comprising a nonwoven fabric layer (layer I) composed of ultra fine fiber having a fiber diameter of 0.1 to 4 μm, and a nonwoven fabric layer (layer II) composed of thermoplastic resin fiber having a fiber diameter of 6 to 30 μm, said laminated nonwoven fabric has a thickness of 15 to 80 μm, a weight of 7 to 50 g/m said nonwoven fabric layer (layer I) has a weight of 1.5 to 13.3 g/m said thermoplastic resin fiber in the nonwoven fabric layer (layer II) comprises a crystalline resin having a melting point of 180° C. or higher.