The object of an exemplary embodiment of the invention is to provide a separator for an electric storage device which has small thermal shrinkage under high-temperature environment, and in which the increase of the battery temperature can be suppressed. An...

A membrane includes a base material and a glued fixture. The base material has a plurality of pores, and is selected from a fiber fabric film, a blended fabric film and a non-fabric film. The glued fixture has a polymer material and a plurality of inorgani...

Provide is a separator for a power storage device, which is able to reliably prevent short circuit between a positive electrode layer and a negative electrode layer while maintaining the function of permeating ions, and able to effectively suppress shrinka...

The present invention relates to a process for preparing a separator for an electrochemical device, including the steps of: applying a slurry including at least cellulose fibers and a hydrophilic pore former with a boiling point of 180°C or more onto a su...

Provided is an electric storage device including a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, a nonaqueous electrolyte solution in which an electrolyte is dissolved in a nonaque...

Provided is an ultrafine fibrous porous separator with heat resistance and high-strength and a manufacturing method thereof, which enables mass-production of a heat-resistant and high-strength ultrafine fibrous separator by using an air-electrospinning (AE...

This invention provides a separator for electrical and electronic parts with a good electrolyte retention, which is coated with at least one substance selected from ionic substances, hydroxyl group-containing substances and silicon compounds.

The present invention provides for gaskets in a storage element such as a battery or an electric double-layer capacitor of a multiple-layer construction composed of a plurality of layers having holes of different inside dimensions wherein the upper-layer g...

A polymer gel electrolyte-forming composition which includes a pregel composition having a viscosity at 20°C of at most 100 cP is impregnated into an electrical double-layer capacitor assembly or a cell assembly composed of a positive electrode, a negativ...