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Ionically conducting inorganic binders: a paradigm shift in electrochemical energy storage

Shivam Trivedi Orcid Logo, Venkat Pamidi, Maximilian Fichtner Orcid Logo, Anji Munnangi Orcid Logo

Green Chemistry, Volume: 24, Issue: 14, Pages: 5620 - 5631

Swansea University Author: Anji Munnangi Orcid Logo

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DOI (Published version): 10.1039/d2gc01389d

Abstract

Among the key components in batteries, binders play a vital role by interconnecting active materials and conductive additives and facilitating the coating of electrode materials on the desired substrates thus enabling the flexible fabrication of batteries. Further, they aid in buffering volume chang...

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Published in: Green Chemistry
ISSN: 1463-9262 1463-9270
Published: Royal Society of Chemistry (RSC) 2022
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URI: https://cronfa.swan.ac.uk/Record/cronfa60467
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spelling 2023-01-19T13:39:08.0687211 v2 60467 2022-07-13 Ionically conducting inorganic binders: a paradigm shift in electrochemical energy storage 3ed0b4f2ff4fb9e87c7a73e7a3c39da7 0000-0001-9101-0252 Anji Munnangi Anji Munnangi true false 2022-07-13 MTLS Among the key components in batteries, binders play a vital role by interconnecting active materials and conductive additives and facilitating the coating of electrode materials on the desired substrates thus enabling the flexible fabrication of batteries. Further, they aid in buffering volume changes that arise in electrode materials and enhance their cycling stability. Presently, polyvinylidene fluoride-based binders are employed widely, despite their high cost, non-eco-friendliness, and energy inefficiency. Several water processable binders have been investigated as alternatives, but they suffer from various intrinsic issues. Here, we reveal the potential of several ionically conducting inorganic binders (ICIBs). These ICIBs are not only ionically conducting, but also water processable, chemically compatible, eco-friendly, low-cost, thermally stable (>1000 °C), emission-free, and importantly, safe to use. These inorganic binders outperformed standard polyvinylidene fluoride-based binders in several aspects. Surprisingly, ICIBs are absorbing the exothermic heat evolved by charged cathode materials at high temperatures, which will significantly enhance the safety of the batteries. The unique intrinsic ionic conductive properties combined with binding abilities enabled the flexible processing and functioning of solid-state batteries, otherwise challenging due to the mechanical rigidity, chemical incompatibility, and interfacial issues posed by solid electrolytes. The inorganic binders introduced here will make battery manufacturing and recycling more energy-efficient, eco-friendly, flexible, safe, and above all, cost-effective. Journal Article Green Chemistry 24 14 5620 5631 Royal Society of Chemistry (RSC) 1463-9262 1463-9270 28 6 2022 2022-06-28 10.1039/d2gc01389d http://dx.doi.org/10.1039/d2gc01389d COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University SU Library paid the OA fee (TA Institutional Deal) This work contributes to the research performed at CELEST (Center for Electrochemical Energy Storage Ulm-Karlsruhe) and was funded by the German Research Foundation (DFG) under project ID 390874152 (POLiS Cluster of Excellence, EXC 2154). MAR acknowledges Engineering and Physical Sciences Research Council (EPSRC): grant – EP/V014994/1. 2023-01-19T13:39:08.0687211 2022-07-13T08:49:10.1414787 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Shivam Trivedi 0000-0002-4858-8224 1 Venkat Pamidi 2 Maximilian Fichtner 0000-0002-7127-1823 3 Anji Munnangi 0000-0001-9101-0252 4 60467__24754__e2bd175397e44d299385846f5bfb3e1e.pdf 60467_VoR.pdf 2022-07-26T16:03:34.1628631 Output 2374915 application/pdf Version of Record true This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence. true eng http://creativecommons.org/licenses/by-nc/3.0/
title Ionically conducting inorganic binders: a paradigm shift in electrochemical energy storage
spellingShingle Ionically conducting inorganic binders: a paradigm shift in electrochemical energy storage
Anji Munnangi
title_short Ionically conducting inorganic binders: a paradigm shift in electrochemical energy storage
title_full Ionically conducting inorganic binders: a paradigm shift in electrochemical energy storage
title_fullStr Ionically conducting inorganic binders: a paradigm shift in electrochemical energy storage
title_full_unstemmed Ionically conducting inorganic binders: a paradigm shift in electrochemical energy storage
title_sort Ionically conducting inorganic binders: a paradigm shift in electrochemical energy storage
author_id_str_mv 3ed0b4f2ff4fb9e87c7a73e7a3c39da7
author_id_fullname_str_mv 3ed0b4f2ff4fb9e87c7a73e7a3c39da7_***_Anji Munnangi
author Anji Munnangi
author2 Shivam Trivedi
Venkat Pamidi
Maximilian Fichtner
Anji Munnangi
format Journal article
container_title Green Chemistry
container_volume 24
container_issue 14
container_start_page 5620
publishDate 2022
institution Swansea University
issn 1463-9262
1463-9270
doi_str_mv 10.1039/d2gc01389d
publisher Royal Society of Chemistry (RSC)
college_str Faculty of Science and Engineering
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hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Materials Science and Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Materials Science and Engineering
url http://dx.doi.org/10.1039/d2gc01389d
document_store_str 1
active_str 0
description Among the key components in batteries, binders play a vital role by interconnecting active materials and conductive additives and facilitating the coating of electrode materials on the desired substrates thus enabling the flexible fabrication of batteries. Further, they aid in buffering volume changes that arise in electrode materials and enhance their cycling stability. Presently, polyvinylidene fluoride-based binders are employed widely, despite their high cost, non-eco-friendliness, and energy inefficiency. Several water processable binders have been investigated as alternatives, but they suffer from various intrinsic issues. Here, we reveal the potential of several ionically conducting inorganic binders (ICIBs). These ICIBs are not only ionically conducting, but also water processable, chemically compatible, eco-friendly, low-cost, thermally stable (>1000 °C), emission-free, and importantly, safe to use. These inorganic binders outperformed standard polyvinylidene fluoride-based binders in several aspects. Surprisingly, ICIBs are absorbing the exothermic heat evolved by charged cathode materials at high temperatures, which will significantly enhance the safety of the batteries. The unique intrinsic ionic conductive properties combined with binding abilities enabled the flexible processing and functioning of solid-state batteries, otherwise challenging due to the mechanical rigidity, chemical incompatibility, and interfacial issues posed by solid electrolytes. The inorganic binders introduced here will make battery manufacturing and recycling more energy-efficient, eco-friendly, flexible, safe, and above all, cost-effective.
published_date 2022-06-28T04:18:36Z
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