Effect of aminated nanocrystal cellulose on proton conductivity and dimensional stability of proton exchange membranes - Details

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Abstract：

A　functionalized　nanocrystal　cellulose　bearing　amino　and　sulfonic　acid　groups　(Am-sNCC)　is　prepared　through　a　two-step　chemical　modification　of　microcrystal　cellulose　powders,　first　by　sulfonic　acid　and　then　by　a　3-trimethoxysilyl　propyl　ethylenediamine.　The　structure　of　Am-sNCC　is　characterized　by　Fourier　Transform　infrared　spectroscopy　(FT-IR),　X-ray　photoelectron　spectroscopy　(XPS),　and　X-ray　diffraction　(XRD).　A　sulfonated　poly(ether　ether　ketone　ketone)　(Ph-SPEEKK)　is　synthesized　via　the　direct　sulfonation　of　a　high-molecular-weight　phenylated　polymeric　precursor　under　a　mild　reaction　condition.　The　nanocomposite　membranes　composed　of　the　Ph-SPEEKK　matrix　and　the　Am-NCC　additive　are　successfully　prepared　by　a　solution　casting　method.　The　properties　related　to　their　application　for　proton　exchange　membranes　are　carefully　evaluated.　The　nanocomposite　membranes　containing　Am-sNCC,　which　served　as　a　performance-enhancing　component　to　form　hydrogen　bonding　networks　with　the　Ph-SPEEKK　matrix,　exhibited　much　improved　dimensional　stability,　higher　water　absorption　capacities,　higher　proton　conductivity,　better　mechanical　and　fuel　cell　properties　than　the　Ph-SPEEKK　membrane.　©　2018　Elsevier　B.V.

Keyword：

Amination Cellulose Chemical modification Ethers Fourier transform infrared spectroscopy Hydrogen bonds Ion exchange membranes Ketones Membranes Microcrystals Nanocomposites Nanocrystals Proton conductivity Proton exchange membrane fuel cells (PEMFC) Water absorption X ray photoelectron spectroscopy

Community：

[ 1 ] [Zhao, Qi]College of Chemical Engineering, Changchun University of Technology, 2055 Yan'an Street, Changchun; 130012, China
[ 2 ] [Wei, Yingcong]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou; 350002, China
[ 3 ] [Ni, Chuangjiang]College of Chemical Engineering, Changchun University of Technology, 2055 Yan'an Street, Changchun; 130012, China
[ 4 ] [Wang, Lele]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou; 350002, China
[ 5 ] [Liu, Baijun]College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun; 130012, China
[ 6 ] [Liu, Jing]Materials Science and Engineering Institute, Qingdao University of Science and Technology, 53 Zhengzhou Road, Qingdao; 266042, China
[ 7 ] [Zhang, Mingyao]College of Chemical Engineering, Changchun University of Technology, 2055 Yan'an Street, Changchun; 130012, China
[ 8 ] [Men, Yongfeng]State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun; 130022, China
[ 9 ] [Sun, Zhaoyan]State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun; 130022, China
[ 10 ] [Xie, Haiming]College of Chemistry, Northeast Normal University, Changchun; 130024, China
[ 11 ] [Hu, Wei]College of Chemical Engineering, Changchun University of Technology, 2055 Yan'an Street, Changchun; 130012, China
[ 12 ] [Lu, Yunfeng]Department of Chemical and Biomolecular Engineering, University of California, Los Angeles; CA; 90095, United States

Reprint 's Address：

[hu, wei]college of chemical engineering, changchun university of technology, 2055 yan'an street, changchun; 130012, china

Email：

huwei@ccut.edu.cn

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Related Keywords：

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Source ：

Applied Surface Science

ISSN： 0169-4332

Year： 2019

Volume： 466

Page： 691-702

6 . 1 8 2

JCR@2019

6 . 3 0 0

JCR@2023

ESI HC Threshold：236

JCR Journal Grade：1

CAS Journal Grade：1

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count： 53

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 1

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