Patent ID: 9287541
Filing Date: 2016-03-15
CPC Classification: H01M,Y02E

Claim Text:
1. A multi-layer structure of micron and nano fibers applied in a battery, comprising: a web of micron fibers formed by a plurality of interweaved micron fibers whose diameter is greater than or equal to 1 μm; a web of nano fibers formed by a plurality of nano fibers interweaved on the web of micron fibers, wherein the plurality of nano fibers have a diameter less than 1 μm; a mixture layer of fibers located between the web of nano fibers and the web of micron fibers, wherein the mixture layer of fibers comprises parts of the plurality of interweaved nano and micron fibers; and a resin at least impregnating the mixture layer of fibers and parts of the plurality of micron fibers of the web of micron fibers.