A separator for a secondary battery, including a porous polymer substrate; a porous coating layer on at least one surface of the porous polymer substrate. The porous coating layer includes a plurality of inorganic particles and a first binder polymer that ...

A separator, a preparation method, a secondary battery, and an electric device. The separator includes a first porous base film, where the first porous base film is polyolefin, and a viscosity-average molecular weight of the first porous base film is great...

Provided in the present disclosure is a battery separator, including: at least one base film; at least one inorganic layer located on the base film; and a plurality of polymer particles. The plurality of polymer particles are located on the inorganic layer...

The present disclosure relates to a continuous process for coating microporous polyolefin webs with a ceramic composition or slurry, followed by drying at an elevated temperature while being restrained in the transverse direction. Such webs can be used to ...

The present disclosure relates to a separator for an electrochemical device, which includes a coating layer having, as a binder, a copolymer including: i) a repeating unit derived from a (meth)acrylic acid monomer, a (meth)acrylate monomer, or both thereof...

The present invention provides a battery separator with a high-heat-resistant ceramic coating, wherein the battery separator comprises a base membrane and a ceramic coating coated thereon, the ceramic coating includes ceramic powder and a binder, the binde...

Disclosed is a multifunctional structure comprising: a first layer comprising a first polymer and having a first surface and a second surface, and a second layer comprising an inorganic-based material deposited on at least the first surface of the first la...