Sustainable polymer based materials as electrolytes in lithium-ion batteries

Arkaitz Fidalgo-Marijuan^a^,^b, Maitane Urgoiti-Rodriguez^a, Alexander Mirandona-Olaeta^a^,^b, Roberto Fernández de Luis^a, Carlos M. Costa^c^,^d^,^e, Eider Goikolea^b, Idoia Ruiz de Larramendi^b, Senentxu Lanceros-Mendez^a

^aBCMaterials, Basque Center for Materials, Applications and Nanostructures, Bld. Martina Casiano, 3rd. Floor, UPV/EHU Science Park, 48940, Leioa, Spain

^bOrganic and Inorganic Chemistry Department, Science and Technology Faculty, University of the Basque Country UPV/EHU, P.O. Box 644, 48080, Bilbao, Spain

^cPhysics Centre of Minho and Porto Universities (CF-UM-UP), University of Minho, Braga, Portugal

^dInstitute of Science and Innovation for Bio-Sustainability (IB-S), University of Minho, Braga, Portugal

^eLaboratory of Physics for Materials and Emergent Technologies, LapMET, University of Minho, Braga, Portugal

^fIkerbasque, Basque Foundation for Science, Bilbao, Spain

Materials for Sustainable Development Conference (MATSUS)
Proceedings of MATSUS23 & Sustainable Technology Forum València (STECH23) (MATSUS23)

#SusBat - Enabling Beyond Classical Li-ion Batteries through materials development and sustainability

VALÈNCIA, Spain, 2023 March 6th - 10th

Organizers: Maria Lukatskaya and Nagore Ortiz Vitoriano

Oral, Arkaitz Fidalgo-Marijuan, presentation 115
DOI: https://doi.org/10.29363/nanoge.matsus.2023.115
Publication date: 22nd December 2022

The rapid technological evolution and population growth demand more sustainable materials compatible with the circular economy paradigm. Natural polymers, a class of materials produced by biological and renewable resources, represent an important oportunity for the development of more sustainable technologies for their application in energy storage systems in general and batteries in particular [1].

Silk fibroin (SF), obtained from Bombyx mori silkworm cocoons, carrageenan, that are sulphated polysaccharides that occur as matrix material in several species of red seaweeds of the class Rhodophyceae and poly(L-lactic acid) (PLLA), an enantiomeric polyester produced from lactic acid synthesis are one of those materials due to their mechanical and thermal properties, non-toxicity biodegradability and biocompatibility.

In order to improve the battery performance it is usual to add different inorganic fillers to the polymeric separators. Metal-organic frameworks (MOFs) are a class of porous crystalline solids that impregnated with ionic liquids (ILs) can substantially improve the conductivity values of the separator [2].

The present work presents the development of separator membranes for lithium-ion batteries (LIBs) applications based on those natural polymers and preliminary results based on the MOF-74 impregnated with the [EMIm][TFSI] ionic liquid.

The samples were evaluated in terms of morphology, physical-chemical characteristics, thermal behavior, mechanical and electric and ionic proprieties in order to evaluate their applicability for separator membranes in LIBs. The half-cells prepared with silk fibroin, carrageenan and poly(L-lactic acid) show good cyclability and a discharge capacity of 131,1 mAh.g^-1 at C/8-rate, 145 mAh.g^-1 at C/10-rate and 93 mAh.g^-1 at 1C-rate, respectivelly, demonstrating excellent battery performance.

References:

[1] Serra, J.P.; Fernandes, L.C.; Correia, D.M.; Tubio, C.R.; Vilas-Vilela, J.L.; Tariq, M.; Esperança, J.M.S.S.; Costa, C.M.; Lanceros-Mendez, S. Environmentally friendly carrageenan-based ionic-liquid driven soft actuators. Materials Advances 2022, 3, 937-945.

[2] Majid, M.F.; Zaid, H. F. M.; Kait, C. F.; Ahmad, A.; Jumbri, K. Ionic Liquid@Metal-organic framework as a solid electrolyte in a lithium-ion battery: Current performance and perspective at molecular level. Nanomaterials 2022,12, 1076.

Acknowledgements:

The authors thank Ministerio de Ciencia,Innovación y Universidades (PID 2019–107468RB-C21), BIDEKO project, funded by MCIN/AEI, NextGenerationEU, PRTR and Gobierno Vasco/Eusko Jaurlaritza (IT1546-22) and ELKARTEK program. FCT (Fundação para a Ciência e Tecnologia): UIDB/04650/2020, UID/FIS/04650/2021, UID/EEA/04436/2021, UID/QUI/0686/2021, PTDC/FIS-MAC/28157/2017, MIT-EXPL/TDI/0033/2021, POCI-01-0247-FEDER-046985 and POCI-01-0145-FEDER-007688. The European Commission Research and Innovation H2020-MSCARISE-2017 (Ref: 778412) INDESMOF project is also acknowledged.

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