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- Wang, YananShanghai Univ, Res Ctr Nanosci & Nanotechnol, Shanghai 200444, Peoples R China (author)
Gel Polymer Electrolyte with High Li+ Transference Number Enhancing the Cycling Stability of Lithium Anodes
- Article/chapterEnglish2019
Publisher, publication year, extent ...
- 2019-01-16
- AMER CHEMICAL SOC,2019
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- LIBRIS-ID:oai:DiVA.org:uu-378384
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-378384URI
- https://doi.org/10.1021/acsami.8b21352DOI
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- Language:English
- Summary in:English
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Notes
- Lithium anodes suffer from severe safety problems in liquid electrolyte systems that result from an unstable Li plating/stripping process and Li dendrite growth, leading to rapid degradation of Li metal batteries. A polyethylene (PE)-supported gel polymer electrolyte (GPE) with excellent electrolyte uptake/retention capability was simply prepared in this paper by the construction of cross-linked polymer networks (PNs) on the surface of a poly(ethylenimine)-primed PE separator to stabilize the lithium anode. The highly delocalized negative charge of p-styrene sulfonate groups on PNs plays a role in regulating the Li+ and anion transport, giving rise to a high Li+ transference number. This GPE extended the electrochemical stability to 4.8 V and improved the stability of interface between the electrolyte and lithium metal anode (reduced overpotential and suppressed lithium dendrites) during storage and repeated lithium plating/stripping cycling. The Li metal anode-based battery employing this GPE exhibits excellent cycling stability and C-rate capability.
Subject headings and genre
- NATURVETENSKAP Kemi Materialkemi hsv//swe
- NATURAL SCIENCES Chemical Sciences Materials Chemistry hsv//eng
- lithium metal anode
- gel polymer electrolyte
- Li+-ion transference number
- C-rate capability
- cycling stability
Added entries (persons, corporate bodies, meetings, titles ...)
- Fu, LixinShanghai Univ, Res Ctr Nanosci & Nanotechnol, Shanghai 200444, Peoples R China (author)
- Shi, LiyiShanghai Univ, Res Ctr Nanosci & Nanotechnol, Shanghai 200444, Peoples R China (author)
- Wang, ZhuyiShanghai Univ, Res Ctr Nanosci & Nanotechnol, Shanghai 200444, Peoples R China (author)
- Zhu, Jie-FangUppsala universitet,Strukturkemi(Swepub:uu)zhuji179 (author)
- Zhao, YinShanghai Univ, Res Ctr Nanosci & Nanotechnol, Shanghai 200444, Peoples R China (author)
- Yuan, ShuaiShanghai Univ, Res Ctr Nanosci & Nanotechnol, Shanghai 200444, Peoples R China;Shanghai Univ, Emerging Ind Inst, Jiaxing 314006, Zhejiang, Peoples R China (author)
- Shanghai Univ, Res Ctr Nanosci & Nanotechnol, Shanghai 200444, Peoples R ChinaStrukturkemi (creator_code:org_t)
Related titles
- In:ACS Applied Materials and Interfaces: AMER CHEMICAL SOC11:5, s. 5168-51751944-82441944-8252
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