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One-pot preparation of highly porous paddy waste derived-cellulose-silica nanocomposite membrane separator for advanced performances of supercapacitor

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cris.virtual.department Universiti Malaysia Perlis
cris.virtualsource.department 1f785c26-e44d-470f-a7e3-dc8b74946764
dc.contributor.author Md. Asadul Islam
dc.contributor.author Ong Hui Lin
dc.contributor.author Nur Atirah Afifah Sezali
dc.contributor.author Al Rey Villagracia
dc.contributor.author Hai Linh Tran
dc.contributor.author Chih-Yi Yeh
dc.contributor.author Cheng-Kuo Tsai
dc.contributor.author Ruey-an Doong
dc.date.accessioned 2025-11-18T04:11:19Z
dc.date.available 2025-11-18T04:11:19Z
dc.date.issued 2023
dc.description.abstract A new strategy was demonstrated to produce cellulose nanofibril-silica (CNF–SiO2) nanocomposite membrane separator for supercapacitor by one-pot synthesis of silica (SiO2) nanoparticles using different contents of tetraethyl orthosilicate (TEOS) precursor (0.9, 1.8, 2.7, 3.6 wt%). With the SiO2 nanoparticles acting as the disassembling agent, a highly porous CNF–SiO2 nanocomposite membrane was prepared using a simple solvent casting method. The CNF–SiO2 nanocomposite membrane with 1.8 wt% TEOS content (CNF-C2), exhibited the best properties with high porosity of 61%, electrolyte uptake ability of 260% and ionic conductivity of 5.0 mS cm− 1. Besides, the maximum thermal degradation temperature (Tmax) of the CNF–SiO2 nanocomposite membrane increased from 300 ℃ to 322 ℃, making it suitable for use within the operating temperatures of a supercapacitor. A symmetric supercapacitor assembled with CNF-C2 separator achieved the highest specific capacitance of 179.0 F g− 1 at 0.1 A g− 1 and energy density of 35.8 Wh kg− 1 at a power density of 240.0 W kg− 1. This CNF–SiO2 nanocomposite membrane helped the supercapacitor to achieve excellent electrochemical stability after 10,000 charge-discharge cycles with a capacitance retention and coulombic efficiency of 98.3% and 95.0%, respectively. The presented results proved that the CNF–SiO2 nanocomposite membrane is a good alternative separator in the supercapacitor application.
dc.identifier.doi 10.1007/s10570-022-04979-8
dc.identifier.uri https://link.springer.com/article/10.1007/s10570-022-04979-8
dc.identifier.uri https://link.springer.com/journal/10570
dc.identifier.uri https://hdl.handle.net/20.500.14170/15246
dc.language.iso en
dc.publisher Springer
dc.relation.ispartof Cellulose
dc.relation.issn 0969-0239
dc.relation.issn 1572-882X
dc.subject Cellulose nanofibrils
dc.subject Nanocomposites
dc.subject Separators
dc.subject Silica nanoparticles
dc.subject Supercapacitors
dc.title One-pot preparation of highly porous paddy waste derived-cellulose-silica nanocomposite membrane separator for advanced performances of supercapacitor
dc.type journal-article
dspace.entity.type Publication
oaire.citation.endPage 1656
oaire.citation.issue 3
oaire.citation.startPage 1637
oaire.citation.volume 30
oairecerif.author.affiliation Universiti Malaysia Perlis
oairecerif.author.affiliation Universiti Malaysia Perlis
oairecerif.author.affiliation Universiti Malaysia Perlis
oairecerif.author.affiliation De La Salle University
oairecerif.author.affiliation #PLACEHOLDER_PARENT_METADATA_VALUE#
oairecerif.author.affiliation #PLACEHOLDER_PARENT_METADATA_VALUE#
oairecerif.author.affiliation #PLACEHOLDER_PARENT_METADATA_VALUE#
oairecerif.author.affiliation #PLACEHOLDER_PARENT_METADATA_VALUE#
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