High sodium ionic conductivity in PEO/PVP solid polymer electrolytes with InAs nanowire fillers

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Devi, ChandniCentral University of Rajasthan, Ajmer, India (författare)

High sodium ionic conductivity in PEO/PVP solid polymer electrolytes with InAs nanowire fillers

Artikel/kapitelEngelska2021

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2021-10-12
London :Nature Publishing Group,2021
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LIBRIS-ID:oai:DiVA.org:hh-45866
https://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-45866URI
https://doi.org/10.1038/s41598-021-99663-5DOI
https://lup.lub.lu.se/record/26bbbd88-8e54-482d-9115-14a0f43d7f6aURI

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Språk:engelska
Sammanfattning på:engelska

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CD and SK acknowledge financial support by the Department of Science and Technology (DST), India, under Grant No: YSS/2015/001403 and University Grant Commission for Project No. (F4-5(112-FRP)/2014(BSR)).
Solid-state sodium ion batteries are frequently referred to as the most promising technology for next-generation energy storage applications. However, developing a suitable solid electrolyte with high ionic conductivity, excellent electrolyte–electrode interfaces, and a wide electrochemical stability window, remains a major challenge. Although solid-polymer electrolytes have attracted great interest due to their low cost, low density and very good processability, they generally have significantly lower ionic conductivity and poor mechanical strength. Here, we report on the development of a low-cost composite solid polymer electrolyte comprised of poly(ethylene oxide), poly(vinylpyrrolidone) and sodium hexafluorophosphate, mixed with indium arsenide nanowires. We show that the addition of 1.0% by weight of indium arsenide nanowires increases the sodium ion conductivity in the polymer to 1.50 × 10−4 Scm−1 at 40 °C. In order to explain this remarkable characteristic, we propose a new transport model in which sodium ions hop between close-spaced defect sites present on the surface of the nanowires, forming an effective complex conductive percolation network. Our work represents a significant advance in the development of novel solid polymer electrolytes with embedded engineered ultrafast 1D percolation networks for near-future generations of low-cost, high-performance batteries with excellent energy storage capabilities. © 2021, The Author(s).

Ämnesord och genrebeteckningar

NATURVETENSKAP Kemi Polymerkemi hsv//swe
NATURAL SCIENCES Chemical Sciences Polymer Chemistry hsv//eng
NATURVETENSKAP Kemi Materialkemi hsv//swe
NATURAL SCIENCES Chemical Sciences Materials Chemistry hsv//eng

Biuppslag (personer, institutioner, konferenser, titlar ...)

Gellanki, JnaneswariCentral University of Rajasthan, Ajmer, India (författare)
Pettersson, Håkan,1962-Lunds universitet,Högskolan i Halmstad,Akademin för informationsteknologi,Lund University, Lund, Sweden,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)ftf-hap (författare)
Kumar, SandeepCentral University of Rajasthan, Ajmer, India (författare)
Central University of Rajasthan, Ajmer, IndiaAkademin för informationsteknologi (creator_code:org_t)

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Ingår i:Scientific ReportsLondon : Nature Publishing Group11:12045-2322

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Av författaren/redakt...: Devi, Chandni; Gellanki, Jnanes ...; Pettersson, Håka ...; Kumar, Sandeep

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NATURVETENSKAP: NATURVETENSKAP; och Kemi; och Polymerkemi

NATURVETENSKAP: NATURVETENSKAP; och Kemi; och Materialkemi

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Av lärosätet: Högskolan i Halmstad; Lunds universitet

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