ICCAS OpenIR
Synthesis and properties of water stable poly[bis(benzimidazobenzisoquinolinone)] ionomers for proton exchange membranes fuel cells
Li, Nanwen1,2; Cui, Zhiming2,3; Li, Shenghai1; Zhang, Suobo1; Xing, Wei3
2009-01-20
Source PublicationJOURNAL OF MEMBRANE SCIENCE
ISSN0376-7388
Volume326Issue:2Pages:420-428
AbstractA novel sulfonated tetraamine, di(triethylammonium)-4,4'-bis(3,4-diaminophenoxy)biphenyl-3,3'-disulfonate (BAPBDS), was successfully synthesized by nucleophilic aromatic substitution of 4,4'-dihydroxybiphenyl with 5-chloro-2-nitroaniline, followed by sulfonation and reduction. A high-temperature polycondensation of sulfonated tetraamine, non-sulfonated tetraamine (4,4 -bis(3,4-aminophenoxy)biphenyl) and 1,4,5,8-naphthalenetetracarboxylic dianhydride (a) or 4,4'-binaphthyl-1,1',8,8'-tetracarboxylic dianydride (b) gave the poly[bis(benzimidazobenzisoquinolinones)] ionomers SPBIBI-a(x) or SPBIBI-b(x), where x refers to the molar percentage of the sulfonated tetraamine monomer. Flexible and tough membranes of high mechanical strength were obtained by solution casting and the electrolyte properties of the polymers were intensively investigated. The ionomer membranes displayed excellent dimensional and hydrolytic stabilities. Moreover, these novel membranes showed proton conductivities comparable to that of Nafion 117, especially at high temperature. In addition, the proton conductivities of the SPBIBI-a ionomer membranes were found to be higher than those of the SPBIBI-b ones due to the weakened acid-base interactions between the pyridinone ring and the sulfonic acid groups. The highest proton conductivity (0.174 S/cm) was obtained for the SPBIBI-a(100) membrane at 100 degrees C, with an IEC of 2.65 mequiv./g. A combination of excellent dimensional and hydrolytic stabilities indicated that the SPBIBI ionomers were good candidate materials for proton exchange membrane in fuel cell applications. (c) 2008 Elsevier B.V. All rights reserved.
KeywordSulfonated Tetraamines Sulfonated Poly[Bis(Benzimidazobenzisoquinolinones)] Ionomers Proton Exchange Membranes Proton Conductivity
DOI10.1016/j.memsci.2008.10.042
Indexed BySCI
Language英语
WOS IDWOS:000263006500021
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/67342
Collection中国科学院化学研究所
Corresponding AuthorZhang, Suobo
Affiliation1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
2.Chinese Acad Sci, Grad Sch, Changchun 130022, Peoples R China
3.State Key Lab Electroanalyt Chem, Changchun 130022, Peoples R China
Recommended Citation
GB/T 7714
Li, Nanwen,Cui, Zhiming,Li, Shenghai,et al. Synthesis and properties of water stable poly[bis(benzimidazobenzisoquinolinone)] ionomers for proton exchange membranes fuel cells[J]. JOURNAL OF MEMBRANE SCIENCE,2009,326(2):420-428.
APA Li, Nanwen,Cui, Zhiming,Li, Shenghai,Zhang, Suobo,&Xing, Wei.(2009).Synthesis and properties of water stable poly[bis(benzimidazobenzisoquinolinone)] ionomers for proton exchange membranes fuel cells.JOURNAL OF MEMBRANE SCIENCE,326(2),420-428.
MLA Li, Nanwen,et al."Synthesis and properties of water stable poly[bis(benzimidazobenzisoquinolinone)] ionomers for proton exchange membranes fuel cells".JOURNAL OF MEMBRANE SCIENCE 326.2(2009):420-428.
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