Zinc ion conducting blended polymer electrolytes based on room temperature ionic liquid and ceramic filler

Murali, Sai Prasanna Candhadai; Samuel, Austin Suthanthiraraj

doi:10.1002/app.47654

Cited by 31 publications

(14 citation statements)

References 68 publications

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“…35 Also, residual N,Ndimethylformamide (DMF) was also observed to be trapped in gel electrolytes based on poly(vinyl chloride) poly(ethylmethacrylate) blends for Zn 2+ ionic conductivity. 36 Furthermore, residual NMP in poly(vinylidene fluoride-co-hexafluoropropylene)-based gel electrolytes showed an enhanced Zn 2+ ionic conductivity. 37 Nairn et al demonstrated that composite electrolytes of ceramic Li1.3Al0.3Ti1.7(PO4)3 and polyetherurethane:LiCF3SO3 when exposed to DMF, acetonitrile, or water vapors showed enhanced ionic conductivity "beyond simple plasticization of the polymer" by improving the surface contact between the polymer and the ceramic.…”

Section: Conductivity Of Peo:litfsi Films-blockingmentioning

confidence: 98%

Modification of Lithium Metal Anode and Solid-State Electrolyte Interface with a Gel Electrolyte

Renna¹,

Blanc²,

Giordani³

2020

Preprint

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Solid-state electrolytes are continually being explored for Li-ion batteries due to their enhanced safety and their enabling of high energy density active materials, particularly Li metal anodes. However, the interface between solid-state electrolytes and Li metal anodes are prone to high impedance due to poor contact, limiting their applicability. Introducing a thin gel polymer electrolyte interlayer to conformally coat solid electrolytes can improve the interfacial contact of Li metal anode and thus reduce the interfacial resistance. Here we used a plasticized poly(ethylene oxide)-based electrolyte with high concentrations of bis(trifluoromethane)sulfonamide lithium (LiTFSI) that show 100% amorphous character. These electrolytes show Li+ conductivity as high as σ = 2.9×10-4 S/cm at room temperature. We discovered by thermogravimetric analysis (TGA) with off-gas analysis in conjunction with nuclear magnetic resonance (NMR) spectroscopy that the electrolyte films had absorbed N-methyl-2-pyrrolidone (NMP) vapors to form a gel electrolyte. We incorporated the gel electrolyte as an interfacial modification layer between LLZO and Li metal electrodes and found a 58 times reduction in the area specific resistance (ASR) at room temperature.

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Section: Conductivity Of Peo:litfsi Films-blockingmentioning

confidence: 98%

Modification of Lithium Metal Anode and Solid-State Electrolyte Interface with a Gel Electrolyte

Renna¹,

Blanc²,

Giordani³

2020

Preprint

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“…However, for polymer electrolytes, because of the lower ionic transportation and greater zinc dendrite prevention abilities, the development of polymer electrolytes for flexible ZIBs are emphasized on evaluating ionic conductivities and adding additional features. For solid polymer electrolytes, ionic liquids such as [EMIM]BF 4 [ 73 ] and EMIMTFSI [ 138 ] are organic additives improving ionic conductivities from 10 −6 S cm −1 to 10 −3 S cm −1 . Moreover, inorganic additives, such as SiO 2 [ 138 ] and TiO 2 [ 54 ] are also essential materials to expand the free volume for segmental motions.…”

Section: Hybrid Polymer Electrolytesmentioning

confidence: 99%

“…For solid polymer electrolytes, ionic liquids such as [EMIM]BF 4 [ 73 ] and EMIMTFSI [ 138 ] are organic additives improving ionic conductivities from 10 −6 S cm −1 to 10 −3 S cm −1 . Moreover, inorganic additives, such as SiO 2 [ 138 ] and TiO 2 [ 54 ] are also essential materials to expand the free volume for segmental motions. For hydrogel electrolytes, anti‐freezing ability, thermoresponsive ability and high tensile strength are achieved with various additives.…”

Section: Hybrid Polymer Electrolytesmentioning

confidence: 99%

Insights on Flexible Zinc‐Ion Batteries from Lab Research to Commercialization

et al. 2021

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fields such as healthcare, automotive, and aviation. Among them, flexible and wearable electronics exhibit a growing interest such as implantable medical devices, [1] wearable health monitoring systems, [1,2] flexible displays, [3] and smart clothes. [4] Conventional devices utilizing rigid and relatively unsafe lithium-ion batteries (LIBs) as the power supply cannot satisfy the future requirements of biocompatible and flexible features. Moreover, the bottleneck of flexible LIBs, such as the high cost, safety issues and intricate manufacturing requirements restrict the commercialization of flexible LIBs. As promising alternatives, aqueous zinc-ion batteries (AZIBs) have attracted a significant attention. They are regarded as competitive candidates for flexible devices owing to the high volumetric capacity (5855 mAh cm −3 ) of the zinc metal and its facile fabrication process. Meanwhile, the superior cost advantage, $25/kWh [5] for AZIBs comparing to $135/kWh [6,7] for LIBs, is beneficial to applying AZIBs in different scales of devices.Aqueous zinc ion batteries (AZIBs) currently suffer from unfavorable water-induced side reactions that result in zinc dendrite formation, dissolution of cathode materials and the formation of byproducts on cathodes, thus causing a fast capacity fade. Owing to the water electrolysis (stable Owing to the development of aqueous rechargeable zinc-ion batteries (ZIBs), flexible ZIBs are deemed as potential candidates to power wearable electronics. ZIBs with solid-state polymer electrolytes can not only maintain additional load-bearing properties, but exhibit enhanced electrochemical properties by preventing dendrite formation and inhibiting cathode dissolution. Substantial efforts have been applied to polymer electrolytes by developing solid polymer electrolytes, hydrogel polymer electrolytes, and hybrid polymer electrolytes; however, the research of polymer electrolytes for ZIBs is still immature. Herein, the recent progress in polymer electrolytes is summarized by category for flexible ZIBs, especially hydrogel electrolytes, including their synthesis and characterization. Aiming to provide an insight from lab research to commercialization, the relevant challenges, device configurations, and life cycle analysis are consolidated. As flexible batteries, the majority of polymer electrolytes exploited so far only emphasizes the electrochemical performance but the mechanical behavior and interactions with the electrode materials have hardly been considered. Hence, strategies of combining softness and strength and the integration with electrodes are discussed for flexible ZIBs. A ranking index, combining both electrochemical and mechanical properties, is introduced. Future research directions are also covered to guide research toward the commercialization of flexible ZIBs.

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“…Prasanna et al [334] used a nanocomposite gel polymer electrolytes (NCGPEs) comprising of salt, 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (EMIMTFSI) ionic liquid (IL) and fumed silica (PVC/PEMA poly(ethyl methacrylate) blend, zinc triflate Zn(Tf) 2 , SiO 2 as thickening agent. Maximum conductivity for this gel was achieved for 3 wt.% SiO 2 (6.71•10 −4 Scm −1 ).…”

Section: Others Polymer Electrolytesmentioning

confidence: 99%

A Review of the Use of GPEs in Zinc-Based Batteries. A Step Closer to Wearable Electronic Gadgets and Smart Textiles

2020

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With the flourish of flexible and wearable electronics gadgets, the need for flexible power sources has become essential. The growth of this increasingly diverse range of devices boosted the necessity to develop materials for such flexible power sources such as secondary batteries, fuel cells, supercapacitors, sensors, dye-sensitized solar cells, etc. In that context, comprehensives studies on flexible conversion and energy storage devices have been released for other technologies such Li-ion standing out the importance of the research done lately in GPEs (gel polymer electrolytes) for energy conversion and storage. However, flexible zinc batteries have not received the attention they deserve within the flexible batteries field, which are destined to be one of the high rank players in the wearable devices future market. This review presents an extensive overview of the most notable or prominent gel polymeric materials, including biobased polymers, and zinc chemistries as well as its practical or functional implementation in flexible wearable devices. The ultimate aim is to highlight zinc-based batteries as power sources to fill a segment of the world flexible batteries future market.

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Zinc ion conducting blended polymer electrolytes based on room temperature ionic liquid and ceramic filler

Cited by 31 publications

References 68 publications

Modification of Lithium Metal Anode and Solid-State Electrolyte Interface with a Gel Electrolyte

Modification of Lithium Metal Anode and Solid-State Electrolyte Interface with a Gel Electrolyte

Insights on Flexible Zinc‐Ion Batteries from Lab Research to Commercialization

A Review of the Use of GPEs in Zinc-Based Batteries. A Step Closer to Wearable Electronic Gadgets and Smart Textiles

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