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Use of Cellulose Nanofibers as an Electrode Binder for Lithium Ion Battery Screen Printing on a Paper Separator

Nanomaterials (Basel, Switzerland), 2018-11, Vol.8 (12), p.982 [Peer Reviewed Journal]

2018. This work is licensed under https://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;Distributed under a Creative Commons Attribution 4.0 International License ;2018 by the authors. 2018 ;ISSN: 2079-4991 ;EISSN: 2079-4991 ;DOI: 10.3390/nano8120982 ;PMID: 30486473

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Title:
Use of Cellulose Nanofibers as an Electrode Binder for Lithium Ion Battery Screen Printing on a Paper Separator
Author: El Baradai, Oussama ; Beneventi, Davide ; Alloin, Fannie ; Bultel, Yann ; Chaussy, Didier
Subjects: Accumulators ; Adhesives ; Batteries ; Carbon black ; Cellulose ; cellulose nanofibers ; Chemical Sciences ; Collectors ; Composite materials ; Cycles ; Electric cells ; Electrical conductivity ; Electrical resistivity ; Electrochemistry ; Electrodes ; Embedding ; Graphite ; Inks ; Li-ion battery ; Lithium ; Lithium-ion batteries ; Manufacturing ; Material chemistry ; Mechanical properties ; Nanocomposites ; Nanofibers ; Other ; Polymers ; Printing ; printing electrode ; Rechargeable batteries ; Rheological properties ; Rheology ; Screen printing ; Separators
Is Part Of: Nanomaterials (Basel, Switzerland), 2018-11, Vol.8 (12), p.982
Description: Water-based inks were formulated using cellulose nanofibers as a binder in order to directly front/reverse print lithium ion cells on a paper separator. Moreover, the high cohesion of electrodes as provided by cellulose nanofibers allowed for the embedding metallic current collectors in the electrodes during the printing stage, in order to develop a one-step printing and assembling process. Positive and negative inks based on LiFePO₄, or graphite, respectively, and cellulose nanofibers, displayed rheological properties complying with a variety of printing processes, as well as with screen printing. Printed cells exhibited high electrical conductivity and adhesion between current collectors and inks, i.e., up to 64 ± 1 J/m². Electrochemical cycling tests at C/10 showed a reversible capacity during the first cycle of about 80 mAh/g, which slightly decayed upon cycling. Preliminary results and assembling strategies can be considered as promising, and they represent a quick solution for the manufacturing of lithium ion batteries. Work is in progress to improve these processing issues and the cycling performances of Li-ion cells.
Publisher: Switzerland: MDPI AG
Language: English
Identifier: ISSN: 2079-4991
EISSN: 2079-4991
DOI: 10.3390/nano8120982
PMID: 30486473
Source: Hyper Article en Ligne (HAL) (Open Access)
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Use of Cellulose Nanofibers as an Electrode Binder for Lithium Ion Battery Screen Printing on a Paper Separator

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