Designing double comb copolymer as highly lithium ionic conductive solid-state electrolyte membranes

Juyoung Moon; Sanghyuk Cho; Eunho Song; Kun Woo Park; Youngjin Chae; Jung Tae Park

doi:10.1016/j.reactfunctpolym.2021.105093

Designing double comb copolymer as highly lithium ionic conductive solid-state electrolyte membranes

Juyoung Moon, Sanghyuk Cho, Eunho Song, Kun Woo Park, Youngjin Chae, Jung Tae Park

Department of Integrated Display Engineering

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

We present highly mechanical strength and ionic conductive solid-state electrolyte membranes based on amphiphilic double comb copolymer, i.e., poly(vinylidene chloride)-graft-poly(methyl methacrylate) (PVDC-g-PMMA) synthesized through atomic transfer radical polymerization (ATRP). Well-defined nanophase-separated amphiphilic double comb copolymers are complexed with two types of Li salts (LiTFSI and LiClO₄) to form a solid-state electrolyte membrane. Compared to other types, the highest ionic conductivity of the solid-state electrolyte membranes is observed in an amphiphilic double comb copolymer with PVDC-g-PMMA/LiTFSI, due to the synergy of the dissociability of TFSI⁻ and the hopping transport of lithium ions facilitated by PMMA chains. Moreover, the lowest activation energy (0.15 eV) and excellent ionic conductivity (1.3 × 10⁻³ S cm⁻¹) are also observed in the same solid-state electrolyte membranes at room temperature.

Original language	English
Article number	105093
Journal	Reactive and Functional Polymers
Volume	169
DOIs	https://doi.org/10.1016/j.reactfunctpolym.2021.105093
Publication status	Published - 2021 Dec

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© 2021 Elsevier B.V.

All Science Journal Classification (ASJC) codes

General Chemistry
Environmental Chemistry
Biochemistry
General Chemical Engineering
Polymers and Plastics
Materials Chemistry

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10.1016/j.reactfunctpolym.2021.105093

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title = "Designing double comb copolymer as highly lithium ionic conductive solid-state electrolyte membranes",

abstract = "We present highly mechanical strength and ionic conductive solid-state electrolyte membranes based on amphiphilic double comb copolymer, i.e., poly(vinylidene chloride)-graft-poly(methyl methacrylate) (PVDC-g-PMMA) synthesized through atomic transfer radical polymerization (ATRP). Well-defined nanophase-separated amphiphilic double comb copolymers are complexed with two types of Li salts (LiTFSI and LiClO4) to form a solid-state electrolyte membrane. Compared to other types, the highest ionic conductivity of the solid-state electrolyte membranes is observed in an amphiphilic double comb copolymer with PVDC-g-PMMA/LiTFSI, due to the synergy of the dissociability of TFSI− and the hopping transport of lithium ions facilitated by PMMA chains. Moreover, the lowest activation energy (0.15 eV) and excellent ionic conductivity (1.3 × 10−3 S cm−1) are also observed in the same solid-state electrolyte membranes at room temperature.",

keywords = "Atomic transfer radical polymerization (ATRP), Double comb copolymer, Ionic conductivity, Lithium salt, Membrane, Solid-state electrolyte",

author = "Juyoung Moon and Sanghyuk Cho and Eunho Song and Park, {Kun Woo} and Youngjin Chae and Park, {Jung Tae}",

note = "Publisher Copyright: {\textcopyright} 2021 Elsevier B.V.",

year = "2021",

month = dec,

doi = "10.1016/j.reactfunctpolym.2021.105093",

language = "English",

volume = "169",

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TY - JOUR

T1 - Designing double comb copolymer as highly lithium ionic conductive solid-state electrolyte membranes

AU - Moon, Juyoung

AU - Cho, Sanghyuk

AU - Song, Eunho

AU - Park, Kun Woo

AU - Chae, Youngjin

AU - Park, Jung Tae

PY - 2021/12

Y1 - 2021/12

N2 - We present highly mechanical strength and ionic conductive solid-state electrolyte membranes based on amphiphilic double comb copolymer, i.e., poly(vinylidene chloride)-graft-poly(methyl methacrylate) (PVDC-g-PMMA) synthesized through atomic transfer radical polymerization (ATRP). Well-defined nanophase-separated amphiphilic double comb copolymers are complexed with two types of Li salts (LiTFSI and LiClO4) to form a solid-state electrolyte membrane. Compared to other types, the highest ionic conductivity of the solid-state electrolyte membranes is observed in an amphiphilic double comb copolymer with PVDC-g-PMMA/LiTFSI, due to the synergy of the dissociability of TFSI− and the hopping transport of lithium ions facilitated by PMMA chains. Moreover, the lowest activation energy (0.15 eV) and excellent ionic conductivity (1.3 × 10−3 S cm−1) are also observed in the same solid-state electrolyte membranes at room temperature.

AB - We present highly mechanical strength and ionic conductive solid-state electrolyte membranes based on amphiphilic double comb copolymer, i.e., poly(vinylidene chloride)-graft-poly(methyl methacrylate) (PVDC-g-PMMA) synthesized through atomic transfer radical polymerization (ATRP). Well-defined nanophase-separated amphiphilic double comb copolymers are complexed with two types of Li salts (LiTFSI and LiClO4) to form a solid-state electrolyte membrane. Compared to other types, the highest ionic conductivity of the solid-state electrolyte membranes is observed in an amphiphilic double comb copolymer with PVDC-g-PMMA/LiTFSI, due to the synergy of the dissociability of TFSI− and the hopping transport of lithium ions facilitated by PMMA chains. Moreover, the lowest activation energy (0.15 eV) and excellent ionic conductivity (1.3 × 10−3 S cm−1) are also observed in the same solid-state electrolyte membranes at room temperature.

KW - Atomic transfer radical polymerization (ATRP)

KW - Double comb copolymer

KW - Ionic conductivity

KW - Lithium salt

KW - Membrane

KW - Solid-state electrolyte

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DO - 10.1016/j.reactfunctpolym.2021.105093

M3 - Article

AN - SCOPUS:85118884272

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VL - 169

JO - Reactive and Functional Polymers

JF - Reactive and Functional Polymers

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ER -

Designing double comb copolymer as highly lithium ionic conductive solid-state electrolyte membranes

Abstract

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