Redox Species-Based Electrolytes for Advanced Rechargeable Lithium Ion Batteries

Handle URI:
http://hdl.handle.net/10754/622455
Title:
Redox Species-Based Electrolytes for Advanced Rechargeable Lithium Ion Batteries
Authors:
Ming, Jun ( 0000-0001-9561-5718 ) ; Li, Mengliu; Kumar, Pushpendra; Lu, Ang-Yu; Wahyudi, Wandi; Li, Lain-Jong ( 0000-0002-4059-7783 )
Abstract:
Seeking high-capacity cathodes has become an intensive effort in lithium ion battery research; however, the low energy density still remains a major issue for sustainable handheld devices and vehicles. Herein, we present a new strategy of integrating a redox species-based electrolyte in batteries to boost their performance. Taking the olivine LiFePO4-based battery as an example, the incorporation of redox species (i.e., polysulfide of Li2S8) in the electrolyte results in much lower polarization and superior stability, where the dissociated Li+/Sx2– can significantly speed up the lithium diffusion. More importantly, the presence of the S82–/S2– redox reaction further contributes extra capacity, making a completely new LiFePO4/Li2Sx hybrid battery with a high energy density of 1124 Wh kgcathode–1 and a capacity of 442 mAh gcathode–1. The marriage of appropriate redox species in an electrolyte for a rechargeable battery is an efficient and scalable approach for obtaining higher energy density storage devices.
KAUST Department:
Physical Sciences and Engineering (PSE) Division
Citation:
Ming J, Li M, Kumar P, Lu A-Y, Wahyudi W, et al. (2016) Redox Species-Based Electrolytes for Advanced Rechargeable Lithium Ion Batteries. ACS Energy Letters 1: 529–534. Available: http://dx.doi.org/10.1021/acsenergylett.6b00274.
Publisher:
American Chemical Society (ACS)
Journal:
ACS Energy Letters
Issue Date:
15-Aug-2016
DOI:
10.1021/acsenergylett.6b00274
Type:
Article
ISSN:
2380-8195; 2380-8195
Sponsors:
The research was supported by KAUST.
Additional Links:
http://pubs.acs.org/doi/abs/10.1021/acsenergylett.6b00274
Appears in Collections:
Articles; Physical Sciences and Engineering (PSE) Division

Full metadata record

DC FieldValue Language
dc.contributor.authorMing, Junen
dc.contributor.authorLi, Mengliuen
dc.contributor.authorKumar, Pushpendraen
dc.contributor.authorLu, Ang-Yuen
dc.contributor.authorWahyudi, Wandien
dc.contributor.authorLi, Lain-Jongen
dc.date.accessioned2017-01-02T09:28:32Z-
dc.date.available2017-01-02T09:28:32Z-
dc.date.issued2016-08-15en
dc.identifier.citationMing J, Li M, Kumar P, Lu A-Y, Wahyudi W, et al. (2016) Redox Species-Based Electrolytes for Advanced Rechargeable Lithium Ion Batteries. ACS Energy Letters 1: 529–534. Available: http://dx.doi.org/10.1021/acsenergylett.6b00274.en
dc.identifier.issn2380-8195en
dc.identifier.issn2380-8195en
dc.identifier.doi10.1021/acsenergylett.6b00274en
dc.identifier.urihttp://hdl.handle.net/10754/622455-
dc.description.abstractSeeking high-capacity cathodes has become an intensive effort in lithium ion battery research; however, the low energy density still remains a major issue for sustainable handheld devices and vehicles. Herein, we present a new strategy of integrating a redox species-based electrolyte in batteries to boost their performance. Taking the olivine LiFePO4-based battery as an example, the incorporation of redox species (i.e., polysulfide of Li2S8) in the electrolyte results in much lower polarization and superior stability, where the dissociated Li+/Sx2– can significantly speed up the lithium diffusion. More importantly, the presence of the S82–/S2– redox reaction further contributes extra capacity, making a completely new LiFePO4/Li2Sx hybrid battery with a high energy density of 1124 Wh kgcathode–1 and a capacity of 442 mAh gcathode–1. The marriage of appropriate redox species in an electrolyte for a rechargeable battery is an efficient and scalable approach for obtaining higher energy density storage devices.en
dc.description.sponsorshipThe research was supported by KAUST.en
dc.publisherAmerican Chemical Society (ACS)en
dc.relation.urlhttp://pubs.acs.org/doi/abs/10.1021/acsenergylett.6b00274en
dc.titleRedox Species-Based Electrolytes for Advanced Rechargeable Lithium Ion Batteriesen
dc.typeArticleen
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Divisionen
dc.identifier.journalACS Energy Lettersen
kaust.authorMing, Junen
kaust.authorLi, Mengliuen
kaust.authorKumar, Pushpendraen
kaust.authorLu, Ang-Yuen
kaust.authorWahyudi, Wandien
kaust.authorLi, Lain-Jongen
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