Increase of Solid Polymer Electrolyte Ionic Conductivity Using Nano-SiO2 Synthesized from Sugarcane Bagasse as Filler

Ni’mah, Yatim Lailun; Muhaiminah, Zakkiyyah Hidayatul; Suprapto, Suprapto

doi:10.3390/polym13234240

Cited by 23 publications

(10 citation statements)

References 29 publications

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“…This shift can be attributed to a decrease in the segmental motion when sodium ions begin to saturate the ether groups and the ClO 4 – anions begin to cluster within the polymer network (Figure S4). The FTIR spectra of the NaFSI-based CSEs are plotted in Figure D, with the expected υ as (C–O–C) and υ as (CO) bands of PEGDA alongside the new bands attributed to the NaFSI salt. Most notably, the band assigned to the υ as (SO 2 ) of the FSI – anion, centered at 1155 cm –1 , increases with the salt content.…”

Section: Resultsmentioning

confidence: 99%

Scalable Glass-Fiber-Polymer Composite Solid Electrolytes for Solid-State Sodium–Metal Batteries

Kmiec

Ruoff

Darga

et al. 2023

ACS Appl. Mater. Interfaces

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In this work, we report a method for producing a thin (<50 μm), mechanically robust, sodium-ion conducting composite solid electrolyte (CSE) by infiltrating the monomers of polyethylene glycol diacrylate (PEGDA) and polyethylene glycol (PEG) and either NaClO4 or NaFSI salt into a silica-based glass-fiber matrix, followed by an UV-initiated in situ polymerization. The glass fiber matrix provided mechanical strength to the CSE and enabled a robust, self-supporting separator. This strategy enabled the development of CSEs with high loadings of PEG as a plasticizer to enhance the ionic conductivity. The fabrication of these CSEs was done under ambient conditions, which was highly scalable and can be easily implemented in roll-to-roll processing. While NaClO4 was found to be unstable with the sodium–metal anode, the use of a NaFSI salt was found to promote stable stripping and plating in a symmetric cell, reaching current densities of as high as 0.67 mA cm–2 at 60 °C. The PEGDA + PEG + NaFSI separators were then used to form solid-state full cells with a cobalt-free, low-nickel layered Na2/3Ni1/3Mn2/3O2 cathode and a sodium–metal anode, achieving a full capacity utilization exhibiting 70% capacity retention after 50 cycles at a cycling rate of C/5 at 60 °C.

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Section: Resultsmentioning

confidence: 99%

Scalable Glass-Fiber-Polymer Composite Solid Electrolytes for Solid-State Sodium–Metal Batteries

Kmiec

Ruoff

Darga

et al. 2023

ACS Appl. Mater. Interfaces

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“…Consequently, Li + transport is blocked, causing a decrease in Li + conductivity in this case [ 120 , 124 ]. Therefore, there exists a percolation threshold for the ceramic filler content to realize a maximum Li + conductivity, such as 2 wt% for Nano-LLZTO [ 80 ], 20 wt% for sheet-like Li 6.25 La 3 Zr 2 Al 0.25 O 12 (LLZAO) [ 89 ], 5 wt% for SiO 2 [ 125 ] and 25 wt% for LATP [ 92 ] and LiZr 2 (PO 4 ) 3 [ 78 ]. To pursue facilitated conductivity under heavy ceramic content, the design of polymer in ceramic architecture is necessary, as discussed below by templating strategy and others.…”

Section: Preparation Methods Of Csesmentioning

confidence: 99%

Rational Design of High-Performance PEO/Ceramic Composite Solid Electrolytes for Lithium Metal Batteries

Zhang

et al. 2023

Nano-Micro Lett.

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Composite solid electrolytes (CSEs) with poly(ethylene oxide) (PEO) have become fairly prevalent for fabricating high-performance solid-state lithium metal batteries due to their high Li+ solvating capability, flexible processability and low cost. However, unsatisfactory room-temperature ionic conductivity, weak interfacial compatibility and uncontrollable Li dendrite growth seriously hinder their progress. Enormous efforts have been devoted to combining PEO with ceramics either as fillers or major matrix with the rational design of two-phase architecture, spatial distribution and content, which is anticipated to hold the key to increasing ionic conductivity and resolving interfacial compatibility within CSEs and between CSEs/electrodes. Unfortunately, a comprehensive review exclusively discussing the design, preparation and application of PEO/ceramic-based CSEs is largely lacking, in spite of tremendous reviews dealing with a broad spectrum of polymers and ceramics. Consequently, this review targets recent advances in PEO/ceramic-based CSEs, starting with a brief introduction, followed by their ionic conduction mechanism, preparation methods, and then an emphasis on resolving ionic conductivity and interfacial compatibility. Afterward, their applications in solid-state lithium metal batteries with transition metal oxides and sulfur cathodes are summarized. Finally, a summary and outlook on existing challenges and future research directions are proposed.

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“…SiO 2 is easily accessible and rich in reserves and is commonly utilized as filler material [ 132 – 134 ]. Zhang et al constructed a three-dimensional network of PEO-LiClO 4 @SiO 2 by in situ hydrolysis reaction (Fig.…”

Section: Fillers Of Piesmentioning

confidence: 99%

Tailoring Practically Accessible Polymer/Inorganic Composite Electrolytes for All-Solid-State Lithium Metal Batteries: A Review

et al. 2023

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Highlights The current issues and recent advances in polymer/inorganic composite electrolytes are reviewed. The molecular interaction between different components in the composite environment is highlighted for designing high-performance polymer/inorganic composite electrolytes. Inorganic filler properties that affect polymer/inorganic composite electrolyte performance are pointed out. Future research directions for polymer/inorganic composite electrolytes compatible with high-voltage lithium metal batteries are outlined. Abstract Solid-state electrolytes (SSEs) are widely considered the essential components for upcoming rechargeable lithium-ion batteries owing to the potential for great safety and energy density. Among them, polymer solid-state electrolytes (PSEs) are competitive candidates for replacing commercial liquid electrolytes due to their flexibility, shape versatility and easy machinability. Despite the rapid development of PSEs, their practical application still faces obstacles including poor ionic conductivity, narrow electrochemical stable window and inferior mechanical strength. Polymer/inorganic composite electrolytes (PIEs) formed by adding ceramic fillers in PSEs merge the benefits of PSEs and inorganic solid-state electrolytes (ISEs), exhibiting appreciable comprehensive properties due to the abundant interfaces with unique characteristics. Some PIEs are highly compatible with high-voltage cathode and lithium metal anode, which offer desirable access to obtaining lithium metal batteries with high energy density. This review elucidates the current issues and recent advances in PIEs. The performance of PIEs was remarkably influenced by the characteristics of the fillers including type, content, morphology, arrangement and surface groups. We focus on the molecular interaction between different components in the composite environment for designing high-performance PIEs. Finally, the obstacles and opportunities for creating high-performance PIEs are outlined. This review aims to provide some theoretical guidance and direction for the development of PIEs.

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Increase of Solid Polymer Electrolyte Ionic Conductivity Using Nano-SiO2 Synthesized from Sugarcane Bagasse as Filler

Cited by 23 publications

References 29 publications

Scalable Glass-Fiber-Polymer Composite Solid Electrolytes for Solid-State Sodium–Metal Batteries

Scalable Glass-Fiber-Polymer Composite Solid Electrolytes for Solid-State Sodium–Metal Batteries

Rational Design of High-Performance PEO/Ceramic Composite Solid Electrolytes for Lithium Metal Batteries

Tailoring Practically Accessible Polymer/Inorganic Composite Electrolytes for All-Solid-State Lithium Metal Batteries: A Review

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