Lithium acetate modified PU/graphene composites as separator for advanced Li‐ion batteries

Jiang, Yong; Cai, Lu; Xing, Lida; Jiang, Yunhong; Ding, Yanhuai

doi:10.1049/mnl.2019.0164

Cited by 7 publications

(3 citation statements)

References 33 publications

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“…As a result, multifunctional PU composites and scaffolds with large surface area-to-volume ratios can be produced. This unique property has been widely used for multiple applications, including textile processing, 68b tissue engineering, 71 and the production of drug delivery systems, 71 battery separators, 72 supercapacitors, 73 filtration membranes, 74 and biosensors. 75…”

Section: Spinningmentioning

confidence: 99%

Polyurethane‐basedcomposites with promising antibacterial properties

Kasi

Sathishkumar

Zhang

et al. 2022

J of Applied Polymer Sci

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Polyurethane (PU) is a well-known synthetic polymer consisting of isocyanates, polyols, and chain extenders. The incorporation of fillers into the PU polymeric matrix, including inorganic nanomaterials, synthetic polymers, natural components, quaternary ammonium salts, and commercial drugs, bestows the endproducts with unique and improved physicochemical properties. Fillers can be used to tailor the molecular orientation, crystallinity, cross-linking, and functional chemical groups of PU-based composites. The bactericidal ability of PU composites highly depends on their surface composition, morphology, charge, and stability. Recent advancements highlight the potential of PU composites in combating bacterial infections. In this review, the cutting-edge of inorganic and organicbased PU composites for antibacterial applications is addressed. Notably, selective examples of scientific reports' key findings and their crucial information on PU composites are discussed. Furthermore, the positive impact of PU composites on the future prospects of this field is explored. This review comprehensively deliberates the values of PU composites towards practical applications in the biomedical field of antibacterial activity. This review can help researchers to gain widespread knowledge and a better understanding of PU composites for antibacterial applications.

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Section: Spinningmentioning

confidence: 99%

Polyurethane‐basedcomposites with promising antibacterial properties

Kasi

Sathishkumar

Zhang

et al. 2022

J of Applied Polymer Sci

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“…Notably, incorporating inorganic particles into PU could enhance its electrochemical performance while simultaneously improving thermal stability. As such, Jiang et al [ 210 ] utilized graphene and lithium acetate (LiAc) to prepare PU/G/LiAc separators. These separators can maintain original dimensions, even after being heated at 170 °C for 1 h, and exhibit high ionic conductivity of 2.47 mS cm −1 , whereas significant thermal shrinkage was observed in the Celgard separator.…”

Section: Recent Progress In Polymer-based Porous Separator Membranesmentioning

confidence: 99%

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

Li,

Duan

2023

Polymers

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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.

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“…Here, we prepared a high-performance polymer binder for micro-Si anodes derived from two common polymers, polyurethane (PU) and polydopamine (PDA). The excellent mechanical properties of PU and the excellent adhesion of PDA make them popular application in many fields. , In addition, in LIBs, PU has been explored as a separator, a gel polymer electrolyte, and a binder component. − Dopamine (DA) has been used for grafting with other polymers as a binder, and there are few direct applications for PDA. ,− Compared with the rich polar functional groups of its monomers, PDA also has excellent adhesion and coating ability, which has natural advantages in silicon anodes. In this paper, we prepared the PU–PDA binder through simply heating and mixing PU and PDA, and the synergy of two components and strong hydrogen bonds between the binder and SiMPs greatly improves the cycling stability of the silicon anode.…”

Section: Introductionmentioning

confidence: 99%

A High-Performance Polyurethane–Polydopamine Polymeric Binder for Silicon Microparticle Anodes in Lithium-Ion Batteries

Niu

Zhao

et al. 2022

ACS Appl. Energy Mater.

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Micro silicon (Si) has been one of the most promising anode materials for lithium-ion batteries (LIBs) due to high theoretical specific capacity and material sources. Nonetheless, an unavoidable huge volume expansion of Si microparticles (SiMPs) and the uncontrolled growth of the solid–electrolyte interphase (SEI) during the cycling still inhibit its commercialization. Among the strategies to overcome these problems, the design of a polymer binder is more feasible. Herein, a binder derived from two of the most common polymers, polyurethane (PU) and polydopamine (PDA), has been synthesized by a simple heating and mixing method for SiMP anodes in LIBs. In the PU–PDA binder, the synergistic effect of PU and PDA enables it to adapt to the volume expansion of SiMPs and maintain the electrode integrity and provides excellent cycling performance and long cycle life. The SiMP anodes with the PU–PDA binder have a capacity retention above 1000 mA h g–1 after 1000 cycles at a current density of 0.2 C and could deliver a discharging specific capacity of 1399 mA h g–1 at 4 C. Our research provides a safe, simple, and efficient PU–PDA polymer binder for SiMP anodes in the next-generation LIBs.

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Lithium acetate modified PU/graphene composites as separator for advanced Li‐ion batteries

Cited by 7 publications

References 33 publications

Polyurethane‐basedcomposites with promising antibacterial properties

Polyurethane‐basedcomposites with promising antibacterial properties

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

A High-Performance Polyurethane–Polydopamine Polymeric Binder for Silicon Microparticle Anodes in Lithium-Ion Batteries

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