A Structurable Gel-Polymer Electrolyte for Sodium Ion Batteries

Jin Il Kim; Yunah Choi; Kyung Yoon Chung; Jong Hyeok Park

doi:10.1002/adfm.201701768

A Structurable Gel-Polymer Electrolyte for Sodium Ion Batteries

Jin Il Kim, Yunah Choi, Kyung Yoon Chung, Jong Hyeok Park

Department of Chemical and Biomolecular Engineering

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

74 Citations (Scopus)

Abstract

In this work, a structurable gel-polymer electrolyte (SGPE) with a controllable pore structure that is not destroyed after immersion in an electrolyte is produced via a simple nonsolvent induced phase separation (NIPS) method. This study investigates how the regulation of the nonsolvent content affects the evolving nanomorphology of the composite separators and overcomes the drawbacks of conventional separators, such as glass fiber (GF), which has been widely used in sodium ion batteries (SIBs), through the regulation of pore size and gel-polymer position. The interfacial resistance is reduced through selective positioning of a poly(vinylidene fluoride-co-hexa fluoropropylene) (PVdF-HFP) gel-polymer with the aid of NIPS, which in turn enhances the compatibility between the electrolyte and electrode. In addition, the highly porous morphology of the GF/SGPE obtained via NIPS allows for the absorption of more liquid electrolyte. Thus, a greatly improved cell performance of the SIBs is observed when a tailored SGPE is incorporated into the GF separator through charge/discharge testing compared with the performance observed with pristine GF and conventional GF coated with PVdF-HFP gel-polymer.

Original language	English
Article number	1701768
Journal	Advanced Functional Materials
Volume	27
Issue number	34
DOIs	https://doi.org/10.1002/adfm.201701768
Publication status	Published - 2017 Sept 13

Bibliographical note

Funding Information:
This work was supported by the Energy Efficiency & Resources Core Technology Program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP), granted financial resource from the Ministry of Trade, Industry & Energy, Republic of Korea (No. 20152010103470). This work was partially supported by the KIST Institutional Program (Project No. 2E25630). This work was supported by the NRF of Korea Grant funded by the Ministry of Science, ICT & Future Planning (No. NRF-2015M2A2A6A01045277). We also acknowledge the support from National Research Foundation of Korea (NRF) grant funded by the Korea government (NRF-2016R1A2A1A05005216, NRF-2015M2A2A6A01045277). We thank Dr. Kan Zhang for his help in revising the manuscript.

Publisher Copyright:
© 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

All Science Journal Classification (ASJC) codes

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

Access to Document

10.1002/adfm.201701768

Cite this

@article{891f2c9027bf48f2b268e05d2f6dee27,

title = "A Structurable Gel-Polymer Electrolyte for Sodium Ion Batteries",

abstract = "In this work, a structurable gel-polymer electrolyte (SGPE) with a controllable pore structure that is not destroyed after immersion in an electrolyte is produced via a simple nonsolvent induced phase separation (NIPS) method. This study investigates how the regulation of the nonsolvent content affects the evolving nanomorphology of the composite separators and overcomes the drawbacks of conventional separators, such as glass fiber (GF), which has been widely used in sodium ion batteries (SIBs), through the regulation of pore size and gel-polymer position. The interfacial resistance is reduced through selective positioning of a poly(vinylidene fluoride-co-hexa fluoropropylene) (PVdF-HFP) gel-polymer with the aid of NIPS, which in turn enhances the compatibility between the electrolyte and electrode. In addition, the highly porous morphology of the GF/SGPE obtained via NIPS allows for the absorption of more liquid electrolyte. Thus, a greatly improved cell performance of the SIBs is observed when a tailored SGPE is incorporated into the GF separator through charge/discharge testing compared with the performance observed with pristine GF and conventional GF coated with PVdF-HFP gel-polymer.",

author = "Kim, {Jin Il} and Yunah Choi and Chung, {Kyung Yoon} and Park, {Jong Hyeok}",

note = "Funding Information: This work was supported by the Energy Efficiency & Resources Core Technology Program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP), granted financial resource from the Ministry of Trade, Industry & Energy, Republic of Korea (No. 20152010103470). This work was partially supported by the KIST Institutional Program (Project No. 2E25630). This work was supported by the NRF of Korea Grant funded by the Ministry of Science, ICT & Future Planning (No. NRF-2015M2A2A6A01045277). We also acknowledge the support from National Research Foundation of Korea (NRF) grant funded by the Korea government (NRF-2016R1A2A1A05005216, NRF-2015M2A2A6A01045277). We thank Dr. Kan Zhang for his help in revising the manuscript. Publisher Copyright: {\textcopyright} 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim",

year = "2017",

month = sep,

day = "13",

doi = "10.1002/adfm.201701768",

language = "English",

volume = "27",

journal = "Advanced Functional Materials",

issn = "1616-301X",

publisher = "Wiley-VCH Verlag",

number = "34",

}

TY - JOUR

T1 - A Structurable Gel-Polymer Electrolyte for Sodium Ion Batteries

AU - Kim, Jin Il

AU - Choi, Yunah

AU - Chung, Kyung Yoon

AU - Park, Jong Hyeok

N1 - Funding Information: This work was supported by the Energy Efficiency & Resources Core Technology Program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP), granted financial resource from the Ministry of Trade, Industry & Energy, Republic of Korea (No. 20152010103470). This work was partially supported by the KIST Institutional Program (Project No. 2E25630). This work was supported by the NRF of Korea Grant funded by the Ministry of Science, ICT & Future Planning (No. NRF-2015M2A2A6A01045277). We also acknowledge the support from National Research Foundation of Korea (NRF) grant funded by the Korea government (NRF-2016R1A2A1A05005216, NRF-2015M2A2A6A01045277). We thank Dr. Kan Zhang for his help in revising the manuscript. Publisher Copyright: © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

PY - 2017/9/13

Y1 - 2017/9/13

N2 - In this work, a structurable gel-polymer electrolyte (SGPE) with a controllable pore structure that is not destroyed after immersion in an electrolyte is produced via a simple nonsolvent induced phase separation (NIPS) method. This study investigates how the regulation of the nonsolvent content affects the evolving nanomorphology of the composite separators and overcomes the drawbacks of conventional separators, such as glass fiber (GF), which has been widely used in sodium ion batteries (SIBs), through the regulation of pore size and gel-polymer position. The interfacial resistance is reduced through selective positioning of a poly(vinylidene fluoride-co-hexa fluoropropylene) (PVdF-HFP) gel-polymer with the aid of NIPS, which in turn enhances the compatibility between the electrolyte and electrode. In addition, the highly porous morphology of the GF/SGPE obtained via NIPS allows for the absorption of more liquid electrolyte. Thus, a greatly improved cell performance of the SIBs is observed when a tailored SGPE is incorporated into the GF separator through charge/discharge testing compared with the performance observed with pristine GF and conventional GF coated with PVdF-HFP gel-polymer.

AB - In this work, a structurable gel-polymer electrolyte (SGPE) with a controllable pore structure that is not destroyed after immersion in an electrolyte is produced via a simple nonsolvent induced phase separation (NIPS) method. This study investigates how the regulation of the nonsolvent content affects the evolving nanomorphology of the composite separators and overcomes the drawbacks of conventional separators, such as glass fiber (GF), which has been widely used in sodium ion batteries (SIBs), through the regulation of pore size and gel-polymer position. The interfacial resistance is reduced through selective positioning of a poly(vinylidene fluoride-co-hexa fluoropropylene) (PVdF-HFP) gel-polymer with the aid of NIPS, which in turn enhances the compatibility between the electrolyte and electrode. In addition, the highly porous morphology of the GF/SGPE obtained via NIPS allows for the absorption of more liquid electrolyte. Thus, a greatly improved cell performance of the SIBs is observed when a tailored SGPE is incorporated into the GF separator through charge/discharge testing compared with the performance observed with pristine GF and conventional GF coated with PVdF-HFP gel-polymer.

UR - http://www.scopus.com/inward/record.url?scp=85025092670&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85025092670&partnerID=8YFLogxK

U2 - 10.1002/adfm.201701768

DO - 10.1002/adfm.201701768

M3 - Article

AN - SCOPUS:85025092670

SN - 1616-301X

VL - 27

JO - Advanced Functional Materials

JF - Advanced Functional Materials

IS - 34

M1 - 1701768

ER -

A Structurable Gel-Polymer Electrolyte for Sodium Ion Batteries

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

Access to Document

Other files and links

Fingerprint

Cite this