Morphology-Ionic Conductivity Relationship in Polymer-Titania Hybrid Electrolytes for Lithium-Ion Batteries

Simon J. Schaper; Ezzeldin Metwalli; Maximilain V. Kaeppel; Armin Kriele; Ralph Gilles; Konstantinos N. Raftopoulos; Peter Müller-Buschbaum

doi:10.1021/acsaem.1c03393

Morphology-Ionic Conductivity Relationship in Polymer-Titania Hybrid Electrolytes for Lithium-Ion Batteries

Simon J. Schaper
, Ezzeldin Metwalli
, Maximilain V. Kaeppel
, Armin Kriele
, Ralph Gilles
, Konstantinos N. Raftopoulos
, Peter Müller-Buschbaum

Chair of Functional Materials

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

6 Scopus citations

Abstract

The morphology and ionic conductivity of a high-molecular-weight polystyrene-block-poly(ethylene oxide) (PS-b-PEO) diblock copolymer (DBC) solid-state hybrid electrolyte, prepared entirely from solution, containing the lithium salt LiTFSI ([Li]/[EO] = 0.1) and titania (TiO2) nanoparticles (NP) were investigated at different temperatures. Structure investigation using small-angle X-ray scattering (SAXS) indicates a rupture of the DBC morphology upon increasing TiO2-NP content, without a significant decrease in the ionic conductivity at high TiO2-NP contents. A high number of unbound charge carriers in the hybrid DBC electrolyte, achieved by careful tuning of the materials' ratios, is the most important contribution to a high ionic conductivity.

Original language	English
Pages (from-to)	13438-13443
Number of pages	6
Journal	ACS Applied Energy Materials
Volume	4
Issue number	12
DOIs	https://doi.org/10.1021/acsaem.1c03393
State	Published - 27 Dec 2021

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Keywords

SAXS
batteries
block copolymer
hybrid electrolyte
ionic conductivity
nanoparticles
polymer morphology
self-assembly

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10.1021/acsaem.1c03393

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@article{e42f5e68e78042d4851098526c21f84d,

title = "Morphology-Ionic Conductivity Relationship in Polymer-Titania Hybrid Electrolytes for Lithium-Ion Batteries",

abstract = "The morphology and ionic conductivity of a high-molecular-weight polystyrene-block-poly(ethylene oxide) (PS-b-PEO) diblock copolymer (DBC) solid-state hybrid electrolyte, prepared entirely from solution, containing the lithium salt LiTFSI ([Li]/[EO] = 0.1) and titania (TiO2) nanoparticles (NP) were investigated at different temperatures. Structure investigation using small-angle X-ray scattering (SAXS) indicates a rupture of the DBC morphology upon increasing TiO2-NP content, without a significant decrease in the ionic conductivity at high TiO2-NP contents. A high number of unbound charge carriers in the hybrid DBC electrolyte, achieved by careful tuning of the materials' ratios, is the most important contribution to a high ionic conductivity.",

keywords = "SAXS, batteries, block copolymer, hybrid electrolyte, ionic conductivity, nanoparticles, polymer morphology, self-assembly",

author = "Schaper, \{Simon J.\} and Ezzeldin Metwalli and Kaeppel, \{Maximilain V.\} and Armin Kriele and Ralph Gilles and Raftopoulos, \{Konstantinos N.\} and Peter M{\"u}ller-Buschbaum",

note = "Publisher Copyright: {\textcopyright} 2021 American Chemical Society.",

year = "2021",

month = dec,

day = "27",

doi = "10.1021/acsaem.1c03393",

language = "English",

volume = "4",

pages = "13438--13443",

journal = "ACS Applied Energy Materials",

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TY - JOUR

T1 - Morphology-Ionic Conductivity Relationship in Polymer-Titania Hybrid Electrolytes for Lithium-Ion Batteries

AU - Schaper, Simon J.

AU - Metwalli, Ezzeldin

AU - Kaeppel, Maximilain V.

AU - Kriele, Armin

AU - Gilles, Ralph

AU - Raftopoulos, Konstantinos N.

AU - Müller-Buschbaum, Peter

PY - 2021/12/27

Y1 - 2021/12/27

N2 - The morphology and ionic conductivity of a high-molecular-weight polystyrene-block-poly(ethylene oxide) (PS-b-PEO) diblock copolymer (DBC) solid-state hybrid electrolyte, prepared entirely from solution, containing the lithium salt LiTFSI ([Li]/[EO] = 0.1) and titania (TiO2) nanoparticles (NP) were investigated at different temperatures. Structure investigation using small-angle X-ray scattering (SAXS) indicates a rupture of the DBC morphology upon increasing TiO2-NP content, without a significant decrease in the ionic conductivity at high TiO2-NP contents. A high number of unbound charge carriers in the hybrid DBC electrolyte, achieved by careful tuning of the materials' ratios, is the most important contribution to a high ionic conductivity.

AB - The morphology and ionic conductivity of a high-molecular-weight polystyrene-block-poly(ethylene oxide) (PS-b-PEO) diblock copolymer (DBC) solid-state hybrid electrolyte, prepared entirely from solution, containing the lithium salt LiTFSI ([Li]/[EO] = 0.1) and titania (TiO2) nanoparticles (NP) were investigated at different temperatures. Structure investigation using small-angle X-ray scattering (SAXS) indicates a rupture of the DBC morphology upon increasing TiO2-NP content, without a significant decrease in the ionic conductivity at high TiO2-NP contents. A high number of unbound charge carriers in the hybrid DBC electrolyte, achieved by careful tuning of the materials' ratios, is the most important contribution to a high ionic conductivity.

KW - SAXS

KW - batteries

KW - block copolymer

KW - hybrid electrolyte

KW - ionic conductivity

KW - nanoparticles

KW - polymer morphology

KW - self-assembly

UR - https://www.scopus.com/pages/publications/85121647710

U2 - 10.1021/acsaem.1c03393

DO - 10.1021/acsaem.1c03393

M3 - Article

AN - SCOPUS:85121647710

SN - 2574-0962

VL - 4

SP - 13438

EP - 13443

JO - ACS Applied Energy Materials

JF - ACS Applied Energy Materials

IS - 12

ER -

Morphology-Ionic Conductivity Relationship in Polymer-Titania Hybrid Electrolytes for Lithium-Ion Batteries

Abstract

UN SDGs

Keywords

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