Korea-Australia Rheology Journal最新文献_第2页

Quantification of flows in a rectangular channel of a single-screw extruder with a small helix angle based on the energy dissipation rate

IF 2.2 4区工程技术 Q2 MECHANICS

Korea-Australia Rheology Journal

Pub Date : 2024-09-20 DOI: 10.1007/s13367-024-00106-0

Xuesi Gao, Byungmin Lee, Wook Ryol Hwang

In this work, a systematic approach is proposed for quantifying the effective viscosity, effective shear rate, and screw characteristics of non-Newtonian fluids in an unwound rectangular channel screw flow of a metering zone of the single-screw extruder. The analyses are limited to a small helix angle case (less than 6.7 degrees), where the cross-sectional drag velocity component is small enough. We begin by separating the flow within the channel into two individual flows (the drag-driven flow and the adverse pressure-driven flow). Both the correlations between drag velocity and drag force in the drag flow and between flow rate and pressure buildup in the pressure-driven flow are investigated separately. Then, we propose mixture rules for shear rate and energy dissipation for the combined drag and (adverse) pressure-driven flows in the rectangular channel. The flow quantification approach of the combined flow is established by incorporating the correlations observed in the individual flows with a velocity ratio (the ratio of the drag velocity to the flow rate). The flow quantification method was validated using three non-Newtonian fluids (power law fluid models, a Carreau fluid model, and a regularized Herschel–Bulkley fluid model), through extensive numerical simulations with a 2.5D hybrid scheme. The proposed quantification method can be applied for estimating the relationship between torque, pressure buildup and throughput in the single-screw process with a small helix angle. Theoretical predictions agree well with numerical simulations, with maximum relative errors of 3.3%, and 11% for drag force and pressure buildup, respectively.

Graphical abstract

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引用次数: 0

Effect of stirring time on viscoelastic properties of liquid gallium-oxide amalgams 搅拌时间对液态氧化镓汞合金粘弹性的影响

IF 2.2 4区工程技术 Q2 MECHANICS

Korea-Australia Rheology Journal

Pub Date : 2024-09-13 DOI: 10.1007/s13367-024-00105-1

Hyeong Yong Song, Si Yoon Kim, Min Seo Park, Jun Dong Park, Kyu Hyun

This study investigated the effect of mechanical stirring time on liquid gallium (Ga)-oxide amalgams using linear and nonlinear viscoelastic properties in dynamic oscillatory shear. The liquid Ga-oxide amalgams with different stirring times were prepared by exposing liquid Ga to the atmosphere under continuous stirring. Linear viscoelasticity of all amalgams exhibited an elastic-dominant behavior. When plotted versus stirring time, elastic modulus increased gradually, which was described successfully by a power-law-type equation for a percolation behavior. The nonlinear viscoelasticity of the amalgams was analyzed using the conventional strain-sweep data and the sequence of physical processes (SPP) method. The critical strain amplitudes determined from the strain-sweep data showed that the yielding of the amalgams occurred earlier and more gradually with increasing stirring time. The SPP analysis using transient Cole–Cole plots revealed that all amalgams experienced intracycle nonlinear behavior consisting of three physical processes (recovery, elastic softening, and yielding) within an oscillation cycle. Intriguingly, the structure recovery rate evaluated by the maximum intracycle elasticity exhibited a nonmonotonic behavior, where the maximum recovery rate was achieved at the stirring time of 5 min. Finally, taking both linear and nonlinear properties, we suggested a material–property co-plot for the printability evaluation of liquid Ga-oxide amalgams.

Graphical Abstract

本研究利用动态振荡剪切中的线性和非线性粘弹特性，研究了机械搅拌时间对液态镓（Ga）-氧化汞汞齐的影响。在连续搅拌下，将液态镓暴露在大气中，制备了不同搅拌时间的液态氧化镓汞齐。所有汞齐的线性粘弹性都表现出弹性主导行为。当绘制弹性模量与搅拌时间的关系曲线时，弹性模量逐渐增加，并成功地用幂律方程描述了渗流行为。利用传统的应变扫描数据和物理过程序列 (SPP) 方法分析了汞合金的非线性粘弹性。从应变扫描数据中确定的临界应变振幅表明，随着搅拌时间的增加，汞合金的屈服发生得更早且更缓慢。利用瞬态科尔-科尔图进行的 SPP 分析表明，所有汞合金在一个振荡周期内都经历了由三个物理过程（恢复、弹性软化和屈服）组成的周期内非线性行为。耐人寻味的是，用周期内最大弹性评估的结构恢复率表现出一种非单调行为，即在搅拌时间为 5 分钟时达到最大恢复率。最后，考虑到线性和非线性特性，我们为液态氧化镓汞合金的可印刷性评估提出了一种材料-特性协同图。图解摘要

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引用次数: 0

Study of the impurity dissolution kinetics, rheological characterization, and hydrodynamic aspects during the bioleaching of iron ore pulp in a bioreactor 在生物反应器中对铁矿石矿浆进行生物浸出过程中的杂质溶解动力学、流变特性和流体力学方面的研究

IF 2.2 4区工程技术 Q2 MECHANICS

Korea-Australia Rheology Journal

Pub Date : 2024-09-09 DOI: 10.1007/s13367-024-00104-2

Luis Antonio Ramirez-Torres, Diola Marina Nuñez-Ramirez, Luis Medina-Torres, Octavio Manero

This research aims to study the rheological behavior and impurities dissolution kinetics in a bioleaching process of two particle sizes and three different pulp densities, which are analyzed and compared. It was found that the small particle size with 40% (w/w) pulp density provides the maximum dissolution of impurities in the shortest bioleaching time (in 2 days). Furthermore, through a CFD simulation in a system with 40% (w/w) pulp density and 44 μm particle size, a stirring speed of 700 rpm provides the best mixing conditions in the bioreactor, enabling good distribution of recirculation zones and adequate streamline patterns with a viscosity map that minimizes regions of high and low viscosity.

Graphical abstract

本研究旨在研究两种粒度和三种不同纸浆密度的生物浸出过程中的流变行为和杂质溶解动力学，并对其进行分析和比较。研究发现，粒度小、纸浆密度为 40%（重量比）的颗粒能在最短的生物浸出时间内（2 天内）最大限度地溶解杂质。此外，通过对纸浆密度为 40%（重量比）、粒径为 44 μm 的系统进行 CFD 模拟，700 转/分钟的搅拌速度为生物反应器提供了最佳的混合条件，使再循环区分布良好，流线形态适当，粘度图最大限度地减少了高粘度和低粘度区域。

引用次数: 0

Construction of self-stacking nanostructure with MXene and CNT through dopamine polymerization 通过多巴胺聚合构建具有 MXene 和 CNT 的自堆积纳米结构

IF 2.2 4区工程技术 Q2 MECHANICS

Korea-Australia Rheology Journal

Pub Date : 2024-08-12 DOI: 10.1007/s13367-024-00102-4

Suyeon Lee, Dayoung Kim, Dong Gi Seong

Aerogel has gained much attention as a promising nanostructure which contributes to the high dispersity of nanofillers and structural stability. However, the difficulty of fabricating robust aerogels using various nanofillers and producing aerogels for the scale-up process is still challenging for expanding applications of aerogels. We fabricate the ternary aerogel particle consisting of MXene, carbon nanotube (CNT), and polydopamine (PDA), and it has structural stability owing to the outstanding adhesion property of PDA. The fabricated aerogel particles are also highly favorable for industrial application because if its ease of handling and scaling up compared to the bulk aerogels. In this study, various parameters, such as polymerization time of PDA and fabrication method, are utilized to find the optimal conditions for fabricating robust and stable aerogel nanostructures. Ternary aerogel exhibits a unique nanostructure with self-staked MXene and bridged CNT between MXene layers, which is expected to form a more effective conducting pathway. Moreover, rheological analysis revealed that the storage modulus recovered even after severe deformation, indicating that the fabricated aerogel possesses structural stability. It is anticipated that these ternary aerogel particles have the potential to be applied in the effective platform for nanocomposites in various industrial fields.

气凝胶是一种前景广阔的纳米结构，具有纳米填料的高分散性和结构稳定性，因而备受关注。然而，如何利用各种纳米填料制备坚固的气凝胶，以及如何在放大过程中生产气凝胶，对于扩大气凝胶的应用仍然是一个挑战。我们制备了由MXene、碳纳米管（CNT）和聚多巴胺（PDA）组成的三元气凝胶颗粒，由于PDA具有出色的粘附性能，因此它具有结构稳定性。与块状气凝胶相比，制备的气凝胶颗粒易于处理和放大，因此非常适合工业应用。本研究利用 PDA 的聚合时间和制造方法等各种参数，找到了制造坚固稳定的气凝胶纳米结构的最佳条件。三元气凝胶呈现出独特的纳米结构，MXene 层之间有自堆积的 MXene 和桥接的 CNT，有望形成更有效的导电通路。此外，流变分析表明，即使在发生严重变形后，存储模量仍能恢复，这表明所制备的气凝胶具有结构稳定性。预计这些三元气凝胶颗粒有望成为纳米复合材料的有效平台，应用于各种工业领域。

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引用次数: 0

Dynamic rheological behavior and ANN model with Bayesian optimization for elastosil-based magnetorheological elastomers 弹性硅基磁流变弹性体的动态流变行为和贝叶斯优化 ANN 模型

IF 2.2 4区工程技术 Q2 MECHANICS

Korea-Australia Rheology Journal

Pub Date : 2024-08-09 DOI: 10.1007/s13367-024-00103-3

Nishant Kumar Dhiman, Sandeep M. Salodkar, Gagandeep Sharma, Chander Kant Susheel

Magnetorheological elastomers (MREs), which can change their rheological properties under magnetic stimuli, have seen a surge of interest for their utility in sophisticated vibration isolation systems. This study investigates the impact of carbonyl iron particle (CIP) concentration and magnetic field strength during the curing process on the rheological properties of MREs. An Artificial Neural Network (ANN) model using Bayesian optimization was also developed to predict properties and its accuracy was confirmed by comparing it with the experimental results. MRE samples with varying volumes of CIPs (5, 10, 15, and 20%) were prepared using a matrix of room temperature vulcanized silicon elastomer, specifically Elastosil 4511. During the curing process, MRE samples were subjected to different magnetic field strengths (0, 0.15, 0.3, 0.5 T). The rheological behavior was analyzed using a dynamic shear rheometer (DSR), conducting amplitude, frequency, and magnetic sweep experiments. The study reveals that higher CIP concentrations initially increase MRE stiffness, but a pronounced Payne effect emerges at higher strains. Furthermore, elevated curing magnetic fields and magnetic sweeps significantly enhance MRE stiffness and response. The optimized ANN model, developed through the Bayesian method, demonstrated a marked potential in accurately predicting the behavior of MREs under various conditions.

Graphical abstract

磁流变弹性体（MREs）可以在磁刺激下改变其流变特性，由于其在复杂隔振系统中的应用而引起了人们的兴趣。研究了固化过程中羰基铁颗粒（CIP）浓度和磁场强度对MREs流变性能的影响。建立了基于贝叶斯优化的人工神经网络（ANN）模型进行性能预测，并与实验结果进行了对比，验证了模型的准确性。使用室温硫化硅弹性体（特别是Elastosil 4511）为基体制备了含有不同体积（5,10,15,20 %）的CIPs的MRE样品。在固化过程中，对MRE样品进行不同强度（0、0.15、0.3、0.5 T）的磁场处理，通过动态剪切流变仪（DSR）、传导幅度、频率和磁扫描实验分析其流变行为。研究表明，较高的CIP浓度最初增加了MRE刚度，但在较高的应变下出现了明显的佩恩效应。此外，提高固化磁场和磁扫描可显著提高MRE刚度和响应。通过贝叶斯方法开发的优化ANN模型在准确预测MREs在各种条件下的行为方面显示出显著的潜力。图形抽象

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引用次数: 0

The rheological behaviors, aging properties, and thermal stability of chain extended poly(butylene adipate-co-terephthalate) 链延聚（己二酸丁二醇酯-共对苯二甲酸丁二酯）的流变行为、老化特性和热稳定性

IF 2.2 4区工程技术 Q2 MECHANICS

Korea-Australia Rheology Journal

Pub Date : 2024-08-02 DOI: 10.1007/s13367-024-00101-5

Yanping Hao, Leilei Chen, Fan Wang, Qingkui Chen, Shuangli Li, Weiwei Zhang, Shengnan Zhang, Hongchi Tian, Huili Yang

In this work, a one-step reactive extrusion method was adopted to improve comprehensive properties of poly(butylene adipate-co-terephthalate) (PBAT) by melt blending with two chain extenders, including polycarbodiimide (PCDI) and multi-functional epoxy polymer (ADR). Their influences on rheological behaviors, aging properties, and thermal stability of PBAT were explored, and the detailed mechanisms were also discussed. It was found that the terminal carboxyl content of PBAT decreased with addition of PCDI and ADR. When 1.0 wt% PCDI was added, the terminal carboxyl content deceased by 70.3%. This indicated that the reaction between the two chain extenders and the terminal hydroxyl and carboxyl groups of PBAT enhanced to perform the chain extension, which increased the molecular weight, storage modulus, loss modulus, and complex viscosity of PBAT, and different relaxation processes were observed for different samples by Han and Cole–Cole plots. Damp-heat aging resistance measurements showed correlation with terminal carboxyl content in PBAT. And reducing the terminal carboxyl content in PBAT was shown to increase hydrolytic stability. For PBAT with 1.0 wt% PCDI blend, the tensile strength and elongation at break retention were above 70%. In addition, the thermal stability of PBAT was also improved due to the chain extension in the blends, which retarded degradation. The analysis results indicated that the comprehensive performance of modified PBAT was the best when 1.0 wt% PCDI was added.

Graphical abstract

本研究采用一步反应挤出法，通过与聚碳二亚胺（PCDI）和多功能环氧聚合物（ADR）等两种扩链剂熔融共混，改善了聚（己二酸丁二醇酯-对苯二甲酸丁二酯）（PBAT）的综合性能。研究探讨了它们对 PBAT 的流变行为、老化性能和热稳定性的影响，并讨论了其中的详细机理。研究发现，PBAT 的末端羧基含量随着 PCDI 和 ADR 的添加而降低。当加入 1.0 wt% 的 PCDI 时，末端羧基含量减少了 70.3%。这表明两种扩链剂与 PBAT 的末端羟基和羧基之间的反应增强了扩链效果，从而增加了 PBAT 的分子量、储存模量、损失模量和复合粘度，而且通过 Han 和 Cole-Cole 图可以观察到不同样品的不同弛豫过程。耐湿热老化性测量结果显示与 PBAT 中的末端羧基含量有关。降低 PBAT 中的末端羧基含量可提高水解稳定性。对于含有 1.0 wt% PCDI 混合物的 PBAT，其拉伸强度和断裂伸长率保持在 70% 以上。此外，由于共混物中的链延伸，PBAT 的热稳定性也得到了改善，从而延缓了降解。分析结果表明，添加 1.0 wt% PCDI 时，改性 PBAT 的综合性能最佳。

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引用次数: 0

The computational method with the deformed mesh interfaces for an incompressible layer indentation by rigid indenters with arbitrary axisymmetric smooth profiles 用变形网格界面计算任意轴对称光滑轮廓刚性压头造成的不可压缩层压痕的方法

IF 2.2 4区工程技术 Q2 MECHANICS

Korea-Australia Rheology Journal

Pub Date : 2024-07-17 DOI: 10.1007/s13367-024-00100-6

Young Ju Ahn

The research introduces a numerical method for solving the problem of an axisymmetric rigid smooth body indenting an incompressible elastic layer. This study proposes a computational approach with the deformed mesh interface in the COMSOL Multiphysics software, which allows the discretized interior nodes to move by solving PDEs for the mesh displacements with the given slope boundary condition. The proposed method is applied to the indentation problems with spherical and conical smooth axisymmetric indenters. The results are in a good agreement with the analytical solutions, and the method shows rapid convergence.

Graphical abstract

该研究介绍了一种数值方法，用于解决轴对称刚性光滑体压入不可压缩弹性层的问题。本研究提出了一种在 COMSOL Multiphysics 软件中使用变形网格界面的计算方法，通过求解网格位移的 PDE，允许离散化的内部节点在给定的斜率边界条件下移动。所提出的方法被应用于球形和锥形光滑轴对称压头的压痕问题。结果与分析解十分吻合，并且该方法显示出快速收敛性。

引用次数: 0

Spreading behaviors of shear-thinning droplets impacting on solid surfaces with various wettability 剪切稀化液滴撞击不同润湿性固体表面时的扩散行为

IF 2.2 4区工程技术 Q2 MECHANICS

Korea-Australia Rheology Journal

Pub Date : 2024-07-16 DOI: 10.1007/s13367-024-00098-x

Ding Yang, Jiaqi Chen, Ao Shen, Junfeng Wang, Hailong Liu

The spreading behavior of droplets impacting solid surfaces is of significant importance in numerous industrial and medical applications. This study specifically focuses on the droplet impact behaviors of shear-thinning fluids. Extensive impact experiments were conducted using high-speed visualization techniques. Image sequences in the DI water and xanthan gum solution droplets impact process are captured at a We range of around 3.2–388 and Re_n of 18–8145. The morphologies of spreading droplets on hydrophilic, moderate, and hydrophobic surfaces was observed with temporal evolution. The experimental results showed that the spreading behavior of shear-thinning droplets varies with the impact velocity, surface wettability, and fluid concentration. The droplets spread more widely and rapidly at larger We with the time evolution of the spreading factor. In addition, the spreading of the droplets becomes suppressed on a hydrophobic surface or with a higher xanthan concentration. With the increase of We, the effect of fluid viscosity gradually surpasses the surface wettability. The fluid viscosity with the shear-thinning properties has more influence on the spreading behavior at high We. Furthermore, the experimental data of the maximum spreading factor could be scaled with the We and Re_n at low and high We, respectively. Finally, the maximum spreading of shear-thinning droplets was correlated with a universal rescaling model. The correlation shows good accordance with the experimental results of droplet impact from this study and the literature in a wide range of impact conditions and shear-thinning properties.

Graphical abstract

液滴冲击固体表面的扩散行为在众多工业和医疗应用中具有重要意义。本研究特别关注剪切稀化流体的液滴冲击行为。使用高速可视化技术进行了广泛的冲击实验。DI 水和黄原胶溶液液滴撞击过程的图像序列是在 3.2-388 左右的 We 范围和 18-8145 的 Ren 范围内捕获的。观察了液滴在亲水、中等和疏水表面上扩散的形态随时间的变化。实验结果表明，剪切稀化液滴的扩散行为随冲击速度、表面润湿性和流体浓度而变化。随着扩散因子的时间演化，液滴在较大的 We 上扩散得更广、更快。此外，在疏水表面或黄原胶浓度较高时，液滴的扩散会受到抑制。随着 We 的增加，流体粘度的影响逐渐超过了表面润湿性。在高 We 条件下，具有剪切稀化特性的流体粘度对铺展行为的影响更大。此外，在低 We 和高 We 条件下，最大铺展系数的实验数据可分别与 We 和 Ren 成比例关系。最后，将剪切稀化液滴的最大铺展与通用重定标模型进行了关联。在各种冲击条件和剪切稀化特性下，本研究的液滴冲击实验结果与文献中的相关结果显示出良好的一致性。

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引用次数: 0

Study the influence of residual water during the preparation processes on the shear thickening behavior of silica/PEG200 suspensions 研究制备过程中的残留水对二氧化硅/PEG200 悬浮液剪切增稠行为的影响

IF 2.2 4区工程技术 Q2 MECHANICS

Korea-Australia Rheology Journal

Pub Date : 2024-07-09 DOI: 10.1007/s13367-024-00099-w

Xing Ouyang, Lei Gong, Xiang Huang, Dazhu Chen

Silica/PEG200 shear thickening fluids (STFs) are widely used smart fluids. There is often residual water during the STF preparation process because of the strong water adsorbability due to the abundant hydroxyl group on the silica surface. Residual water usually influences the shear-thickening behavior of STFs. How much influence the residual water has during the preparation processes on the properties of STFs is still a problem. In this paper, six preparation processes were designed, and the influence of residual water content on the shear thickening behavior due to different preparation processes is analyzed. Firstly, three drying processes were used to prepare STFs, i.e., three kinds of silica powder, which were obtained from spray, freeze, or oven drying of the silica dispersion, were dispersed in PEG200 to obtain STFs. Secondly, three wet processes were used to prepare STFs, i.e., three kinds of silica slurry, which were obtained by centrifuging and washing through water, ethanol, or tetrahydrofuran of the silica dispersion, were directly dispersed into PEG200 and dried to obtain STFs. All the silica dispersion used in these six preparation processes was prepared using the Stöber method. The properties, microstructure, and residual water content of the STFs prepared by the six preparation processes were explored. The results showed that the preparation processes have a big influence on the properties of related STFs. The silica’s residual water content derived from different preparation processes is the critical factor that affects STFs’ shear thickening performance. The drying process using silica powder from spray drying of the silica dispersion resulted in the lowest water content and led to the best shear-thickening performance of the corresponding STFs. Meanwhile, the wet process using a slurry obtained by centrifuging and washing through tetrahydrofuran of the silica dispersion could also prepare STFs with good shear thickening behavior.

Graphical abstract

二氧化硅/PEG200 剪切增稠液（STF）是一种广泛使用的智能液体。在 STF 制备过程中，由于二氧化硅表面含有丰富的羟基，具有很强的吸水性，因此通常会有残留水。残留水通常会影响 STF 的剪切增稠行为。在制备过程中，残留水对 STF 特性的影响有多大仍是一个问题。本文设计了六种制备工艺，分析了不同制备工艺导致的残余水含量对剪切增稠行为的影响。首先，采用了三种干燥工艺制备 STF，即将喷雾干燥、冷冻干燥或烘箱干燥得到的三种二氧化硅分散体粉末分散在 PEG200 中，得到 STF。其次，采用三种湿法工艺制备 STF，即把三种二氧化硅浆料直接分散到 PEG200 中，然后干燥得到 STF，这三种二氧化硅浆料分别是通过离心分离和水洗、乙醇洗或四氢呋喃洗得到的。这六种制备方法中使用的二氧化硅分散体均采用斯托伯法制备。研究了六种制备工艺制备的 STF 的性能、微观结构和残余水含量。结果表明，制备工艺对相关 STF 的性能有很大影响。不同制备工艺产生的二氧化硅残余水含量是影响 STFs 剪切增稠性能的关键因素。使用喷雾干燥二氧化硅分散体所得二氧化硅粉末的干燥工艺可获得最低的含水量，从而使相应的 STF 具有最佳的剪切增稠性能。同时，使用通过离心和四氢呋喃洗涤二氧化硅分散体得到的浆料的湿法工艺也能制备出具有良好剪切增稠性能的 STF。

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引用次数: 0

Rheological and light scattering analyses for characterizing phase separation of polymer solutions in lithium-ion battery separator coating system 流变学和光散射分析表征锂离子电池隔膜涂层系统中聚合物溶液的相分离特性

IF 2.2 4区工程技术 Q2 MECHANICS

Korea-Australia Rheology Journal

Pub Date : 2024-07-02 DOI: 10.1007/s13367-024-00097-y

Ju Yeon Lee, Seong Hwan Kim, Seong-Eun Park, Joo Sung Lee, Hyun Wook Jung

Nonsolvent-induced phase separation is a widely used technique in the manufacture of polymeric separators. This method involves fine-tuning porous structures through the phase separation of polymer solutions in Li-ion secondary battery systems. The phase separation properties and kinetics of heat-resistant poly(vinylidene fluoride-co-hexafluoropropylene) polymer solutions were characterized by adjusting the weight ratio of N-methyl-2-pyrrolidone (NMP) as a solvent and water as a nonsolvent using both macro- and micro-rheological techniques. The viscoelastic moduli, measured with a rotational rheometer as a macro-rheological technique, and autocorrelation functions describing the fast movements of tracer ceria particles within polymer solutions—quickly detected using the micro-rheological light scattering technique of multi-speckle diffusing wave spectroscopy—offered a comprehensive assessment of the phase separation status and its kinetics during changes in the NMP/water ratio. These results are expected to play a fundamental role in understanding and controlling the pore structures of actual separator membranes applied in Li-ion battery systems.

Graphical abstract

非溶剂诱导相分离是聚合物隔膜制造中广泛使用的一种技术。这种方法是通过锂离子二次电池系统中聚合物溶液的相分离来微调多孔结构。利用宏观流变学和微观流变学技术，通过调整作为溶剂的 N-甲基-2-吡咯烷酮（NMP）和作为非溶剂的水的重量比，对耐热聚（偏氟乙烯-六氟丙烯）聚合物溶液的相分离特性和动力学进行了表征。使用旋转流变仪（一种宏观流变学技术）测量的粘弹性模量和描述示踪铈粒子在聚合物溶液中快速运动的自相关函数（使用多斑扩散波光谱的微流变学光散射技术快速检测），对 NMP/水比例变化过程中的相分离状态及其动力学进行了全面评估。这些结果有望为理解和控制锂离子电池系统中实际应用的隔膜的孔隙结构发挥重要作用。图摘

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引用次数: 0