Structure–property study of pristine and dehydrofluorinated poly(vinylidene fluoride) using density functional theory

Girish, K. H.; Sainnath, P. V.; Rasoor, Pavankumar B.

doi:10.1007/s00706-021-02766-y

Cited by 4 publications

(1 citation statement)

References 49 publications

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“…With oxidation and reduction stability relating to HOMO and LUMO energy levels, Table 2 also features HOMO and LUMO energy level values for commonly used polymers in GPEs application. [ 33,40 ] Polymer chemistry differs with varying structures, molecular weight, and fabrication processes. Polyethers, represented by PEO, Poly(ethylene glycol) methyl ether methacrylate (PEGMA), and Poly(1,3‐dioxolane) (PDOL), are commonly preferred polymer matrices for lithium‐stable GPEs.…”

Section: Towards Asgpesmentioning

confidence: 99%

Transitioning Towards Asymmetric Gel Polymer Electrolytes for Lithium Batteries: Progress and Prospects

Agnihotri,

Ahmed,

Tamilarasan

et al. 2023

Adv Funct Materials

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The utilization of liquid electrolytes (LEs) concerns inevitable dendrite growth and safety issues. In contrast, solid polymer electrolytes suffer from unsettled low ionic conductivity and interfacial impedance issues. The intermediary gel polymer electrolytes (GPEs) improve safety by incorporating a sturdy polymer matrix and ionic conductivity as an advantage of percolating LEs responsible for gelation. The overall stability and compatibility of GPEs with different electrode materials depend on the polymers, plasticizers, and precursors utilized. No single polymer has a wide energy gap to exhibit stability against Li metal anodes and oxidative stability against high‐voltage cathodes. Thereafter, symmetric GPEs (SGPEs) possess limitations while simultaneously satisfying the two electrode requirements, which hinders their practical applications. Asymmetric GPEs (ASGPEs) generally comprise a bilayer or gradient structure, wherein the side contacting the cathode is modified to promote oxidative stability for a stable cathode electrolyte interface (CEI). The corresponding side in contact with the anode is modified to be mechanically and chemically compatible with dendritic lithium. Overall, asymmetric structural engineering enables electrode compatibility while maintaining the physical competency of GPEs. Herein, the focus is to summarize the current transition from SGPEs to asymmetric ones, which promotes multifunctionality while overcoming specific constraints associated with the electrodes.

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Section: Towards Asgpesmentioning

confidence: 99%