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论文类型 ： 文章
通讯作者 ： Guibin Wang
发表时间 ： 2020-06-22
发表刊物 ： ACS Appl. Energy Mater.
所属单位 ： Key Laboratory of High Performance Plastics (Jilin University), Ministry of Education, College of Ch
学科门类 ： 理学
一级学科 ： 化学
文献类型 ： J
卷号 ： 3
期号 ： 7
页面范围 ： 7180−7190
关键字 ： pore-filling, solvent treatment, aggregation of sulfonated groups, proton transport channel, methano
教研室 ： Polymer
摘要 ： The composite membranes that combine porefilling with a matrix having precisely assembled sulfonated groups are designed here for use in the applications of direct methanol fuel cells. A porous crystalline poly(ether ether ketone)/sulfonated poly(ether ether ketone) blended matrix with continuous pore structures is first fabricated using a phase inversion process. Solvent treatment of the porous matrix is then employed to induce the enrichment of sulfonated groups at the pore surfaces, based on the interaction between the solvent and functional groups in polymer chains. This strategy effective
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