Battery Having Separator Including Mesoporous Silica Thin Film Positioned On Macroporous Substrate

專利類型

發明

專利國別 (專利申請國家)

美國

專利申請案號

16/522,960

專利證號

US 11,325,076 B2

專利獲證名稱

Battery Having Separator Including Mesoporous Silica Thin Film Positioned On Macroporous Substrate

專利所屬機關 (申請機關)

國立臺灣大學

獲證日期

2022/05/10

技術說明

The objective of the invention is to develop a filter for nanofiltration. A novel filter for nanofiltration was successfully developed. The filter is composed of a dual-layer mesoporous membrane that includes a free-standing mesoporous silica thin film (MSTF) with uniform perpendicular mesopore channels on a marcoporous substrate (e.g. anodic aluminum oxide (AAO)). According to IUPAC, porous materials are classified into microporous ones having a fine pore diameter of 2 nm or less, mesoporous ones having a fine pore diameter of 2 to 50 nm, and macroporous ones having a fine pore diameter of 50 nm or more. Accordingly, the present disclosure relates to a filter that consists of a dual‐layer mesoporous membrane including: (a) a first layer of a mesoporous silica thin film (MSTF) with uniform perpendicular mesopore channels, and (b) a second layer of a macroporous substrate, wherein the MSTF is freely standing on a surface of the macroporous substrate.

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