Crystallization-templated high-performance PVDF separator used in lithium-ion batteries

Wang, Jiayao; Shen, Jieqing; Shi, Jiahui; Li, Yongjin; You, Jichun; Bian, Fenggang

doi:10.1016/j.memsci.2023.121359

Cited by 24 publications

(6 citation statements)

References 55 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Polyolefin materials such as PE and PP are preferred due to their exceptional mechanical properties, chemical stability, mature manufacturing processes, and low cost; thus, they have been frequently employed as separator components in LIBs research and development [ 28 , 34 ]. While some recent investigations have delved into the utilization of substitute materials (e.g., PVDF) [ 145 , 146 , 147 , 148 ], as the primary polymer in phase inversion methods and cellulose-based composite membranes in LIBs [ 83 , 102 , 149 , 150 , 151 , 152 , 153 ], commercial polyolefin-based LIB separators still predominated the overall LIBs markets, encompassing PE, PP, and UHMWPE [ 7 , 34 ]. Preparation procedures can be segregated into dry and wet methods, based on the varying formation mechanisms of microporous structures [ 30 , 34 ] ( Figure 5 ).…”

Section: Manufacturing: Dry and Wet Methods Based On Uniaxial/biaxial...mentioning

confidence: 99%

Engineering Polymer-Based Porous Membrane for Sustainable Lithium-Ion Battery Separators

Li,

Duan

2023

Polymers

View full text Add to dashboard Cite

Due to the growing demand for eco-friendly products, lithium-ion batteries (LIBs) have gained widespread attention as an energy storage solution. With the global demand for clean and sustainable energy, the social, economic, and environmental significance of LIBs is becoming more widely recognized. LIBs are composed of cathode and anode electrodes, electrolytes, and separators. Notably, the separator, a pivotal and indispensable component in LIBs that primarily consists of a porous membrane material, warrants significant research attention. Researchers have thus endeavored to develop innovative systems that enhance separator performance, fortify security measures, and address prevailing limitations. Herein, this review aims to furnish researchers with comprehensive content on battery separator membranes, encompassing performance requirements, functional parameters, manufacturing protocols, scientific progress, and overall performance evaluations. Specifically, it investigates the latest breakthroughs in porous membrane design, fabrication, modification, and optimization that employ various commonly used or emerging polymeric materials. Furthermore, the article offers insights into the future trajectory of polymer-based composite membranes for LIB applications and prospective challenges awaiting scientific exploration. The robust and durable membranes developed have shown superior efficacy across diverse applications. Consequently, these proposed concepts pave the way for a circular economy that curtails waste materials, lowers process costs, and mitigates the environmental footprint.

show abstract

Section: Manufacturing: Dry and Wet Methods Based On Uniaxial/biaxial...mentioning

confidence: 99%

Engineering Polymer-Based Porous Membrane for Sustainable Lithium-Ion Battery Separators

Li,

Duan

2023

Polymers

View full text Add to dashboard Cite

show abstract

“…In addition, the separator used in this method increases the self-weight and inert ion-conducting region of SPEs. Typically the separators are composed of cellulose, 94 PVDF, 95 glass fiber, 96 and polyolefins. 97 These septa are inert and generally do not participate in the ionic conduction process.…”

Section: Preparation Strategies For Spesmentioning

confidence: 99%

In situ polymerization of solid-state polymer electrolytes for lithium metal batteries: a review

Zou,

Yang,

Wang

et al. 2024

Energy Environ. Sci.

View full text Add to dashboard Cite

show abstract

“…Liquid electrolytes are typically composed of lithium salts and organic solvents. At the same time, polymers in solids mainly include polyacrylonitrile (PAN) [ 8 , 9 ], polymethyl methacrylate (PMMA) [ 10 , 11 ], polyethylene oxide (PEO) [ 12 , 13 ], polyvinylidene fluoride (PVDF) [ 14 , 15 ], and polyvinylidene fluoride-hexafluoropropylene (PVDF-HFP) [ 3 , 16 ]. PVDF is considered a reasonable polymer matrix in polymer systems due to its high dielectric constant.…”

Section: Introductionmentioning

confidence: 99%

Preparation and Properties of Gel Polymer Electrolytes with Li1.5Al0.5Ge1.5(PO4)3 and Li6.46La3Zr1.46Ta0.54O12 by UV Curing Process

Liang,

Hun,

Lan

et al. 2024

Polymers

View full text Add to dashboard Cite

Poly (vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP)-based gel polymer electrolytes (GPEs) are considered a promising electrolyte candidate for polymer lithium-ion batteries (LIBs) because of their free-standing shape, versatility, security, flexibility, lightweight, reliability, and so on. However, due to problems such as low ionic conductivity, PVDF-HFP can only be used on a small scale when used as a substrate alone. To overcome the above shortcomings, GPEs were designed and synthesized by a UV curing process by adding NASICON-type Li1.5Al0.5Ge1.5(PO4)3 (LAGP) and garnet-type Li6.46La3Zr1.46Ta0.54O12 (LLZTO) to PVDF-HFP. Experimentally, GPEs with 10% weight LLZTO in a PVDF-HFP matrix had an ionic conductivity of up to 3 × 10−4 S cm−1 at 25 °C. When assembled into LiFePO4/GPEs/Li batteries, a discharge-specific capacity of 81.5 mAh g−1 at a current density of 1 C and a capacity retention rate of 98.1% after 100 cycles at a current density of 0.2 C occurred. Therefore, GPEs added to LLZTO have a broad application prospect regarding rechargeable lithium-ion batteries.

show abstract

Crystallization-templated high-performance PVDF separator used in lithium-ion batteries

Cited by 24 publications

References 55 publications

Engineering Polymer-Based Porous Membrane for Sustainable Lithium-Ion Battery Separators

Engineering Polymer-Based Porous Membrane for Sustainable Lithium-Ion Battery Separators

In situ polymerization of solid-state polymer electrolytes for lithium metal batteries: a review

Preparation and Properties of Gel Polymer Electrolytes with Li1.5Al0.5Ge1.5(PO4)3 and Li6.46La3Zr1.46Ta0.54O12 by UV Curing Process

Contact Info

Product

Resources

About