24-02-2022 дата публикации
Номер: US20220059904A1
Принадлежит:
In accordance with at least selected embodiments, the application, disclosure or invention relates to improved membranes, separator membranes, separators, battery separators, secondary lithium battery separators, multilayer membranes, multilayer separator membranes, multilayer separators, multilayer battery separators, multilayer secondary lithium battery separators, multilayer battery separators, electrochemical cells, batteries, capacitors, super capacitors, double layer super capacitors, fuel cells, lithium batteries, lithium ion batteries, secondary lithium batteries, and/or secondary lithium ion batteries, and/or methods for making and/or using such membranes, separator membranes, separators, battery separators, secondary lithium battery separators, electrochemical cells, batteries, capacitors, fuel cells, lithium batteries, lithium ion batteries, secondary lithium batteries, and/or secondary lithium ion batteries, and/or devices, vehicles or products including the same, and/or the like. 159-. (canceled)61. The microporous membrane of claim 60 , wherein the each of the outer layers comprises a polypropylene claim 60 , a polypropylene blend claim 60 , a polypropylene copolymer claim 60 , a polyethylene claim 60 , a polyethylene blend claim 60 , a polyethylene copolymer claim 60 , or any combination thereof.62. The microporous membrane of claim 60 , wherein each outer layer comprises a polypropylene claim 60 , a polypropylene blend claim 60 , a polypropylene copolymer claim 60 , or any combination thereof.63. The microporous membrane of claim 60 , wherein the each of the plurality of inner layers comprises a polypropylene claim 60 , a polypropylene blend claim 60 , a polypropylene copolymer claim 60 , a polyethylene claim 60 , a polyethylene blend claim 60 , a polyethylene copolymer claim 60 , or any combination thereof.64. The microporous membrane of claim 60 , wherein there are two claim 60 , three claim 60 , four claim 60 , five claim 60 , six or more inner ...
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