杂萘联苯聚芳醚酮含量对钒电池用离子交换膜性能的影响
将含溴甲基杂萘联苯聚醚酮与杂萘联苯聚芳醚酮(PPEK)以不同的比例进行共混,采用溶液浇铸的方法得到一系列基膜,然后将其浸泡在三甲胺溶液中进行胺化处理,得到季胺化杂萘联苯聚芳醚酮离子交换膜(QBPPEK/PPEK).测试了QBPPEK/PPEK的离子交换容量(IEC)、吸水率、溶胀率、面电阻、钒渗透系数和微观结构.随着PPEK含量的增加,QBPPEK/PPEK膜的IEC、吸水率和钒渗透系数减小而面电阻上升.QBPGPEK/PPEK膜具有较好的阻钒性能,其电流效率均大于Nafion115.当PPEK含量为10%时,QBPPEK/PPEK膜单电池的能量效率达到88.9%.PPEK的加入可以有效的提高...
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Published in | 功能材料 Vol. 49; no. 2; pp. 2013 - 2017 |
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Main Author | |
Format | Journal Article |
Language | Chinese |
Published |
大连理工大学化工学院高分子材料系,辽宁省高性能树脂工程技术研究中心,辽宁省高分子科学与工程重点实验室,辽宁大连116024
28.02.2018
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Subjects | |
Online Access | Get full text |
ISSN | 1001-9731 |
DOI | 10.3969/j.issn.1001-9731.2018.02.003 |
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Abstract | 将含溴甲基杂萘联苯聚醚酮与杂萘联苯聚芳醚酮(PPEK)以不同的比例进行共混,采用溶液浇铸的方法得到一系列基膜,然后将其浸泡在三甲胺溶液中进行胺化处理,得到季胺化杂萘联苯聚芳醚酮离子交换膜(QBPPEK/PPEK).测试了QBPPEK/PPEK的离子交换容量(IEC)、吸水率、溶胀率、面电阻、钒渗透系数和微观结构.随着PPEK含量的增加,QBPPEK/PPEK膜的IEC、吸水率和钒渗透系数减小而面电阻上升.QBPGPEK/PPEK膜具有较好的阻钒性能,其电流效率均大于Nafion115.当PPEK含量为10%时,QBPPEK/PPEK膜单电池的能量效率达到88.9%.PPEK的加入可以有效的提高QBPPEK/PPEK膜的氧化稳定性. |
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AbstractList | 将含溴甲基杂萘联苯聚醚酮与杂萘联苯聚芳醚酮(PPEK)以不同的比例进行共混,采用溶液浇铸的方法得到一系列基膜,然后将其浸泡在三甲胺溶液中进行胺化处理,得到季胺化杂萘联苯聚芳醚酮离子交换膜(QBPPEK/PPEK).测试了QBPPEK/PPEK的离子交换容量(IEC)、吸水率、溶胀率、面电阻、钒渗透系数和微观结构.随着PPEK含量的增加,QBPPEK/PPEK膜的IEC、吸水率和钒渗透系数减小而面电阻上升.QBPGPEK/PPEK膜具有较好的阻钒性能,其电流效率均大于Nafion115.当PPEK含量为10%时,QBPPEK/PPEK膜单电池的能量效率达到88.9%.PPEK的加入可以有效的提高QBPPEK/PPEK膜的氧化稳定性. O631; 将含溴甲基杂萘联苯聚醚酮与杂萘联苯聚芳醚酮(PPEK)以不同的比例进行共混,采用溶液浇铸的方法得到一系列基膜,然后将其浸泡在三甲胺溶液中进行胺化处理,得到季胺化杂萘联苯聚芳醚酮离子交换膜(QBPPEK/PPEK).测试了QBPPEK/PPEK的离子交换容量(IEC)、吸水率、溶胀率、面电阻、钒渗透系数和微观结构.随着PPEK含量的增加,QBPPEK/PPEK膜的IEC、吸水率和钒渗透系数减小而面电阻上升.QBPPEK/PPEK膜具有较好的阻钒性能,其电流效率均大于Nafion115.当PPEK含量为10%时,QBPPEK/PPEK膜单电池的能量效率达到88.9%.PPEK的加入可以有效的提高QBPPEK/PPEK膜的氧化稳定性. |
Abstract_FL | Blend base membranes (BPPEK/PPEK) were prepared from brominated poly(phthalazinone ether ketone) (BPPEK) with the bromide degree of 0.95 and poly(phthalazinone ether)s (PPEK) by casting solution.Then the base membranes were quaternized and acidized successively to obtain QBPPEK/PPEK membranes.Water uptake,swelling ratio,ion exchange capacity (IEC),vanadium ion permeability,area resistance and microstructure of QBPPEK/PPEK membranes were investigated.The area resistance of QBPPEK/PPEK membranes increased,but ion exchange capacity,water uptake and vanadium ion permeability decreased with an increase in the mass ratio of PPEK.Compared with Nafion115 membrane,QBPPEK/PPEK membranes showed much lower vanadium ion permeability and higher columbic efficiencies.When the content of PPEK reached 10%,the energy efficiency of VRB cell with QBPPEK/PPEK membrane was 88.9%.What's more,the introduction of PPEK could improve the oxidative stability of QBPPEK/PPEK membranes. |
Author | 陈宇宁;张守海;刘乾;薛仁东;蹇锡高 |
AuthorAffiliation | 大连理工大学化工学院高分子材料系,辽宁省高性能树脂工程技术研究中心,辽宁省高分子科学与工程重点实验室,辽宁大连116024 |
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Author_FL | ZHANG Shouhai LIU Qian CHEN Yuning XUE Rendong JIAN Xigao |
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Snippet | 将含溴甲基杂萘联苯聚醚酮与杂萘联苯聚芳醚酮(PPEK)以不同的比例进行共混,采用溶液浇铸的方法得到一系列基膜,然后将其浸泡在三甲胺溶液中进行胺化处理,得到季胺化杂萘联... O631; 将含溴甲基杂萘联苯聚醚酮与杂萘联苯聚芳醚酮(PPEK)以不同的比例进行共混,采用溶液浇铸的方法得到一系列基膜,然后将其浸泡在三甲胺溶液中进行胺化处理,得到季胺化杂... |
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SubjectTerms | 共混 季铵化 杂萘联苯聚芳醚酮 离子交换膜 钒电池 |
Title | 杂萘联苯聚芳醚酮含量对钒电池用离子交换膜性能的影响 |
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