Synthesis and electrochemical characterization of aPEO-based polymer electrolyte
Autor(a) principal: | |
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Data de Publicação: | 2012 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/1822/15643 |
Resumo: | In this paper the preparation and purification of an amorphous polymer network, poly[oxymethylene-oligo(oxyethylene)], designated as aPEO, are described. The flexible CH2CH2O segments in this host polymer combine appropriate mechanical properties, over a critical temperature range from -20 to 60 ºC, with labile salt-host interactions. The intensity of these interactions is sufficient to permit solubilization of the guest salt in the host polymer while permitting adequate mobility of ionic guest species. We also report the preparation and characterization of a novel polymer electrolyte based on this host polymer with lithium tetrafluoroborate, LiBF4, as guest salt. Electrolyte samples are thermally stable up to approximately 250 ºC and completely amorphous above room temperature. The electrolyte composition determines the glass transition temperature of electrolytes and was found to vary between –50.8 and –62.4 ºC. The electrolyte composition that supports the maximum room temperature conductivity of this electrolyte system is n = 5 (2.10×10-5 S cm-1 at 25 ºC). The electrochemical stability domain of the sample with n = 5 spans about 5 V measured against a Li/Li+ reference. This new electrolyte system represents a promising alternative to LiCF3SO3 and LiClO4-doped PEO analogues. |
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Synthesis and electrochemical characterization of aPEO-based polymer electrolyteSPEslithium tetrafluoroborateelectrochemical analysisthermal analysisPoly[oxymethylene-oligo(oxyethylene)]Science & TechnologyIn this paper the preparation and purification of an amorphous polymer network, poly[oxymethylene-oligo(oxyethylene)], designated as aPEO, are described. The flexible CH2CH2O segments in this host polymer combine appropriate mechanical properties, over a critical temperature range from -20 to 60 ºC, with labile salt-host interactions. The intensity of these interactions is sufficient to permit solubilization of the guest salt in the host polymer while permitting adequate mobility of ionic guest species. We also report the preparation and characterization of a novel polymer electrolyte based on this host polymer with lithium tetrafluoroborate, LiBF4, as guest salt. Electrolyte samples are thermally stable up to approximately 250 ºC and completely amorphous above room temperature. The electrolyte composition determines the glass transition temperature of electrolytes and was found to vary between –50.8 and –62.4 ºC. The electrolyte composition that supports the maximum room temperature conductivity of this electrolyte system is n = 5 (2.10×10-5 S cm-1 at 25 ºC). The electrochemical stability domain of the sample with n = 5 spans about 5 V measured against a Li/Li+ reference. This new electrolyte system represents a promising alternative to LiCF3SO3 and LiClO4-doped PEO analogues.Fundação para a Ciência e TecnologiaSpringerUniversidade do MinhoRodrigues, L. C.Silva, Maria ManuelaVeiga, H.Esperança, J. M. S. S.Costa, M.Smith, Michael John20122012-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/1822/15643engRodrigues, L.C., Silva, M.M., Veiga, H.I.M. et al. J Solid State Electrochem (2012) 16: 1623. https://doi.org/10.1007/s10008-011-1569-31432-848810.1007/s10008-011-1569-3The original publication is available at www.springerlink.cominfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2024-05-11T04:41:48Zoai:repositorium.sdum.uminho.pt:1822/15643Portal AgregadorONGhttps://www.rcaap.pt/oai/openairemluisa.alvim@gmail.comopendoar:71602024-05-11T04:41:48Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
dc.title.none.fl_str_mv |
Synthesis and electrochemical characterization of aPEO-based polymer electrolyte |
title |
Synthesis and electrochemical characterization of aPEO-based polymer electrolyte |
spellingShingle |
Synthesis and electrochemical characterization of aPEO-based polymer electrolyte Rodrigues, L. C. SPEs lithium tetrafluoroborate electrochemical analysis thermal analysis Poly[oxymethylene-oligo(oxyethylene)] Science & Technology |
title_short |
Synthesis and electrochemical characterization of aPEO-based polymer electrolyte |
title_full |
Synthesis and electrochemical characterization of aPEO-based polymer electrolyte |
title_fullStr |
Synthesis and electrochemical characterization of aPEO-based polymer electrolyte |
title_full_unstemmed |
Synthesis and electrochemical characterization of aPEO-based polymer electrolyte |
title_sort |
Synthesis and electrochemical characterization of aPEO-based polymer electrolyte |
author |
Rodrigues, L. C. |
author_facet |
Rodrigues, L. C. Silva, Maria Manuela Veiga, H. Esperança, J. M. S. S. Costa, M. Smith, Michael John |
author_role |
author |
author2 |
Silva, Maria Manuela Veiga, H. Esperança, J. M. S. S. Costa, M. Smith, Michael John |
author2_role |
author author author author author |
dc.contributor.none.fl_str_mv |
Universidade do Minho |
dc.contributor.author.fl_str_mv |
Rodrigues, L. C. Silva, Maria Manuela Veiga, H. Esperança, J. M. S. S. Costa, M. Smith, Michael John |
dc.subject.por.fl_str_mv |
SPEs lithium tetrafluoroborate electrochemical analysis thermal analysis Poly[oxymethylene-oligo(oxyethylene)] Science & Technology |
topic |
SPEs lithium tetrafluoroborate electrochemical analysis thermal analysis Poly[oxymethylene-oligo(oxyethylene)] Science & Technology |
description |
In this paper the preparation and purification of an amorphous polymer network, poly[oxymethylene-oligo(oxyethylene)], designated as aPEO, are described. The flexible CH2CH2O segments in this host polymer combine appropriate mechanical properties, over a critical temperature range from -20 to 60 ºC, with labile salt-host interactions. The intensity of these interactions is sufficient to permit solubilization of the guest salt in the host polymer while permitting adequate mobility of ionic guest species. We also report the preparation and characterization of a novel polymer electrolyte based on this host polymer with lithium tetrafluoroborate, LiBF4, as guest salt. Electrolyte samples are thermally stable up to approximately 250 ºC and completely amorphous above room temperature. The electrolyte composition determines the glass transition temperature of electrolytes and was found to vary between –50.8 and –62.4 ºC. The electrolyte composition that supports the maximum room temperature conductivity of this electrolyte system is n = 5 (2.10×10-5 S cm-1 at 25 ºC). The electrochemical stability domain of the sample with n = 5 spans about 5 V measured against a Li/Li+ reference. This new electrolyte system represents a promising alternative to LiCF3SO3 and LiClO4-doped PEO analogues. |
publishDate |
2012 |
dc.date.none.fl_str_mv |
2012 2012-01-01T00:00:00Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/1822/15643 |
url |
http://hdl.handle.net/1822/15643 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Rodrigues, L.C., Silva, M.M., Veiga, H.I.M. et al. J Solid State Electrochem (2012) 16: 1623. https://doi.org/10.1007/s10008-011-1569-3 1432-8488 10.1007/s10008-011-1569-3 The original publication is available at www.springerlink.com |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Springer |
publisher.none.fl_str_mv |
Springer |
dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
instname_str |
Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
instacron_str |
RCAAP |
institution |
RCAAP |
reponame_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
collection |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
repository.name.fl_str_mv |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
repository.mail.fl_str_mv |
mluisa.alvim@gmail.com |
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1817544390147571712 |