A P(VDF-HFP) and nonwoven-fabric based composite as high-performance gel polymer electrolyte for fast-charging sodium metal batteries

Zheng, Zhuoyuan; Zhang, Xudong; Shi, Wenhui; Liang, Shishuo; Cao, Haichuan; Fu, Yue; Wang, Hongwei; Zhu, Yusong

doi:10.1016/j.polymer.2023.125751

Cited by 14 publications

(7 citation statements)

References 57 publications

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“…The formation of a network-like morphology with a narrow pore distribution helps to prevent the leakage of liquid electrolytes and enables the GPE to exhibit high ionic conductivity. The phase inversion method offers advantages such as the production of continuous and defect-free GPEs [43][44][45]. However, it requires the meticulous optimization of the solvent, non-solvent, and the concentration of the polymer solution to achieve desirable results.…”

Section: Phase Inversion Methodsmentioning

confidence: 99%

Gel Polymer Electrolytes: Advancing Solid-State Batteries for High-Performance Applications

Aruchamy

Ramasundaram

Divya

et al. 2023

Gels

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Gel polymer electrolytes (GPEs) hold tremendous potential for advancing high-energy-density and safe rechargeable solid-state batteries, making them a transformative technology for advancing electric vehicles. GPEs offer high ionic conductivity and mechanical stability, enabling their use in quasi-solid-state batteries that combine solid-state interfaces with liquid-like behavior. Various GPEs based on different materials, including flame-retardant GPEs, dendrite-free polymer gel electrolytes, hybrid solid-state batteries, and 3D printable GPEs, have been developed. Significant efforts have also been directed toward improving the interface between GPEs and electrodes. The integration of gel-based electrolytes into solid-state electrochemical devices has the potential to revolutionize energy storage solutions by offering improved efficiency and reliability. These advancements find applications across diverse industries, particularly in electric vehicles and renewable energy. This review comprehensively discusses the potential of GPEs as solid-state electrolytes for diverse battery systems, such as lithium-ion batteries (LiBs), lithium metal batteries (LMBs), lithium–oxygen batteries, lithium–sulfur batteries, zinc-based batteries, sodium–ion batteries, and dual-ion batteries. This review highlights the materials being explored for GPE development, including polymers, inorganic compounds, and ionic liquids. Furthermore, it underscores the transformative impact of GPEs on solid-state batteries and their role in enhancing the performance and safety of energy storage devices.

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Section: Phase Inversion Methodsmentioning

confidence: 99%

Gel Polymer Electrolytes: Advancing Solid-State Batteries for High-Performance Applications

Aruchamy

Ramasundaram

Divya

et al. 2023

Gels

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“…The GPE could enable stable cycling of Na metal full cells for over 200 cycles with a high capacity retention of 94% at 0.2 C. [297] Similarly, Zhu et al reported a GPE with PVDF-HFP plasticized by NaClO 4 -based liquid electrolyte, which delivered a high ionic conductivity of 1.38 mS cm −1 and a high Na + transference number of 0.47. [298] The GPE could effectively inhibit the formation of Na metal dendrites to enable stable cycling of Na metal anodes at 5 mA cm −2 and 5 mAh cm −2 for more than 400 h. Recently, Wang et al reported a solvent-free polymer electrolyte based on a PEO-based block copolymer, which enabled stable cycling of Na metal anodes at 0.5 mA cm −2 and 1.0 mAh cm −2 for up to 1000 h. [296b] The results demonstrated that the block copolymer design could generate self-assembled nanostructures to enhance ionic conductivity. Guo and colleagues reported a PEO-based GPE with in situ polymerizing of a PEGDAbased monomer, which delivered a high ionic conductivity of 1.1 mS cm −1 at 25 °C.…”

Section: Gel Polymer Electrolytesmentioning

confidence: 99%

A Critical Review on Room‐Temperature Sodium‐Sulfur Batteries: From Research Advances to Practical Perspectives

Zhao,

Tao,

Zhang

et al. 2024

Advanced Materials

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Room‐temperature sodium‐sulfur (RT‐Na/S) batteries are promising alternatives for next‐generation energy storage systems with high energy density and high power density. However, some notorious issues are hampering the practical application of RT‐Na/S batteries. Besides, the working mechanism of RT‐Na/S batteries under practical conditions such as high sulfur loading, lean electrolyte, and low capacity ratio between the negative and positive electrode (N/P ratio), is of essential importance for practical applications, yet the significance of these parameters has long been disregarded. Herein, we comprehensively review recent advances on Na metal anode, S cathode, electrolyte, and separator engineering for RT‐Na/S batteries. The discrepancies between laboratory research and practical conditions are elaborately discussed, endeavors toward practical applications are highlighted, and suggestions for the practical values of the crucial parameters are rationally proposed. Furthermore, an empirical equation to estimate the actual energy density of RT‐Na/S pouch cells under practical conditions is rationally proposed for the first time, making it possible to evaluate the gravimetric energy density of the cells under practical conditions. This review aims to reemphasize the vital importance of the crucial parameters for RT‐Na/S batteries to bridge the gaps between laboratory research and practical applications.This article is protected by copyright. All rights reserved

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“…24 Zhu et al demonstrated a composite polymer electrolyte comprised of PVDF-HFP and commercial nonwoven fabric, providing conductivity of 1.38 × 10 −3 S cm −1 and excellent electrochemical properties including fast charging at a 20C rate. 25…”

mentioning

confidence: 99%

“…24 Zhu et al demonstrated a composite polymer electrolyte comprised of PVDF-HFP and commercial nonwoven fabric, providing conductivity of 1.38 Â 10 À3 S cm À1 and excellent electrochemical properties including fast charging at a 20C rate. 25 Herein, we fabricate a nonwoven-supported, non-flammable quasi-solid-state polymer electrolyte, which we demonstrate as an effective electrolyte for sodium-ion batteries. The cost-effective approach uses a cheap textile (nonwoven mask) coated with poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) and soaked in an optimum ratio of sodium-based liquid electrolyte to make it non-flammable and practically applicable for sodium battery applications.…”

mentioning

confidence: 99%

Tailored nonwoven supported non-flammable quasi-solid electrolyte enables an ultra-stable sodium metal battery

Das,

Pol,

Adyam

2024

Energy Adv.

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A P(VDF-HFP) and nonwoven-fabric based composite as high-performance gel polymer electrolyte for fast-charging sodium metal batteries

Cited by 14 publications

References 57 publications

Gel Polymer Electrolytes: Advancing Solid-State Batteries for High-Performance Applications

Gel Polymer Electrolytes: Advancing Solid-State Batteries for High-Performance Applications

A Critical Review on Room‐Temperature Sodium‐Sulfur Batteries: From Research Advances to Practical Perspectives

Tailored nonwoven supported non-flammable quasi-solid electrolyte enables an ultra-stable sodium metal battery

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