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Conference Paper: An Impedance Study on Porous Carbon/Lithium Titanate Composites for Li-Ion Battery

TitleAn Impedance Study on Porous Carbon/Lithium Titanate Composites for Li-Ion Battery
Authors
Issue Date2017
PublisherElectrochemical Society, Inc. The Journal's web site is located at http://www.ecsdl.org/MA
Citation
231st Electrochemical Society Meeting (ECS) Meeting, New Orleans, LA, USA, 28 May - 1 June 2017. In Electrochemical Society Meeting Abstracts, 2017, MA2017-01, Abstract no. 613 How to Cite?
AbstractThe electrode structure affects the charge-transfer process, electronic conduction, mass transport within pores, and therefore electrochemical performance of batteries 1. In this study, a hierarchical carbon network with hollow core and mesoporous shell (HCMS) 2,3 and activated carbon (AC) are employed as supports for Li4Ti5O12 (LTO) anode material. LTO/HCMS composite shows higher capacity than LTO/AC composite under high-rate and low-temperature conditions. In order to study the performance-structure relationship, electrochemical impedance spectroscopy (EIS) technique with transmission line model (TLM), together with material characterization, are utilized to study the electronic conduction process, mass transport within the pores and the charge-transfer process of LTO/C composites and carbon supports.
DescriptionEnergy Storage 2
Persistent Identifierhttp://hdl.handle.net/10722/242338
ISSN

 

DC FieldValueLanguage
dc.contributor.authorDeng, Z-
dc.contributor.authorHo, CK-
dc.contributor.authorLi, CYV-
dc.contributor.authorChan, GKY-
dc.date.accessioned2017-07-24T01:38:26Z-
dc.date.available2017-07-24T01:38:26Z-
dc.date.issued2017-
dc.identifier.citation231st Electrochemical Society Meeting (ECS) Meeting, New Orleans, LA, USA, 28 May - 1 June 2017. In Electrochemical Society Meeting Abstracts, 2017, MA2017-01, Abstract no. 613-
dc.identifier.issn2151-2041-
dc.identifier.urihttp://hdl.handle.net/10722/242338-
dc.descriptionEnergy Storage 2-
dc.description.abstractThe electrode structure affects the charge-transfer process, electronic conduction, mass transport within pores, and therefore electrochemical performance of batteries 1. In this study, a hierarchical carbon network with hollow core and mesoporous shell (HCMS) 2,3 and activated carbon (AC) are employed as supports for Li4Ti5O12 (LTO) anode material. LTO/HCMS composite shows higher capacity than LTO/AC composite under high-rate and low-temperature conditions. In order to study the performance-structure relationship, electrochemical impedance spectroscopy (EIS) technique with transmission line model (TLM), together with material characterization, are utilized to study the electronic conduction process, mass transport within the pores and the charge-transfer process of LTO/C composites and carbon supports.-
dc.languageeng-
dc.publisherElectrochemical Society, Inc. The Journal's web site is located at http://www.ecsdl.org/MA-
dc.relation.ispartofElectrochemical Society Meeting Abstracts-
dc.rightsElectrochemical Society Meeting Abstracts. Copyright © Electrochemical Society, Inc.-
dc.titleAn Impedance Study on Porous Carbon/Lithium Titanate Composites for Li-Ion Battery-
dc.typeConference_Paper-
dc.identifier.emailLi, CYV: cyvli@hku.hk-
dc.identifier.emailChan, GKY: hrsccky@hku.hk-
dc.identifier.authorityLi, CYV=rp02122-
dc.identifier.authorityChan, GKY=rp00662-
dc.identifier.hkuros273153-
dc.identifier.volumeMA2017-01-
dc.identifier.spageAbstract no. 613-
dc.identifier.epageAbstract no. 613-
dc.publisher.placeUnited States-

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