
Electroactive SWNT/PEGDA hybrid hydrogel coating for bio …
2011年10月15日 · XPS characterization proves that the Cys molecules are linked to gold surface via the strong S–Au bond and that the PEGDA macromers are covalently bonded to Cys. FTIR spectra indicate the formation of hybrid hydrogel coating during photopolymerization.
Typical XPS spectra for p(PEGDA/MALA) hydrogel beads
Herein, we propose a novel strategy to additively fabricate anisotropic hybrid 3D structure from photocurable thermoresponsive p(NIPAm‐co‐PEGDA) hydrogel on the top of PEGDA foam for SVG.
In situ cross-linked fluorinated gel polymer electrolyte based on PEGDA …
2023年7月1日 · X-ray photoelectron spectroscopy (XPS, Thermo Scientific K-Alpha, US, Al Kα radiation, hv = 1486.6 eV) and Time-of-flight secondary ion mass spectrometry (TOF-SIMS, PHI nano TOF II) were used to analyse and determine the chemical composition of the LCO electrode surface after cycling.
High‐Performance Quasi‐Solid‐State Pouch Cells Enabled by in …
2022年6月6日 · In this work, we fabricate a quasi-solid-state NMC811|Gr-Si pouch cell via in situ solidification of poly (ethylene glycol)diacrylate-based polymer electrolytes (PEGDA-PEs). Because of the low viscosity of the initial precursor solution, PEGDA-PEs perfectly fill all pores and voids in high-loading electrodes (≥3 mAh.cm −2).
Hybrid Piezoresistive 2D MoS2/PEGDA/PANI Covalent Hydrogels …
2024年6月13日 · Herein, the covalent functionalization of 2D 1T-MoS 2 is exploited to build robust hybrid cross-linked networks with a polyethylene glycol diacrylate gel (PEGDA). The conductivity of this nanocomposite is also further improved by inducing the interfacial polymerization of aniline.
Characterization on chitosan/PEG hydrogels. Rheology property of ...
To seal IVD defect by injectable hydrogels is a promising method for slowing down IVD degeneration. Herein, we reported a rapidly in situ forming injectable chitosan/PEG hydrogel (CSMA-PEGDA-L)...
聚乙二醇二丙烯酸酯(PEGDA)涂层提高聚酰胺TFC RO膜的耐氯 …
PEGDA 层对 TFC-RO 膜表面特性的影响还通过 ATR-FTIR、SEM、X 射线光电子能谱 (XPS) 和接触角测量。 性能测试和元素分析(如 XPS)的结果表明,PEGDA 层的涂层可以作为抵抗氯侵蚀的被动和牺牲层。 对包括 30% PEGDA 的改性膜之一的研究证明,在氯化后的相同比较中,改性膜 (2.42%) 在其表面结构中保持的氯比裸膜 (4.04%) 少。 氯化后 PEGDA 涂层膜的渗透通量降低小于未涂层膜。 随着层的聚合物百分比的增加,耐氯能力和盐截留率可以增加。 然而,渗透性降 …
北京大学夏定国教授,EES论文:基于强络合固体聚合物电解质的 …
近日,来自 北京大学的夏定国教授团队 在国际著名期刊 Energy & Environmental Science 上发表题为 “A strongly complexed solid polymer electrolyte enables stable solid state high-voltage lithium metal battery” 的研究文章。 该文章采用一种新的分子工程设计策略,开发了一种具有高锂离子电导率,良好的机械强度,以及宽的电化学窗口的固态聚乙二醇氧化物基电解质 (ASPE)。
光交联N-丙烯酰氨基葡萄糖/PEGDA水凝胶的制备及表征术 - 豆丁网
2015年3月26日 · 双丙烯酸酯(pegda)水凝胶.通过核磁共振氢谱考察凝胶成型过程中aga/pegda体系 组成的变化,采用傅里叶变换红外光谱、x射线光电子能谱、扫描电子显微镜等表征了冷
Highly Efficient Aligned Ion-Conducting Network and Interface ...
2024年1月12日 · PEGDA monomers were crosslinked via precise light exposure and then produced Poly(PEGDA) polymer electrolyte with high ionic conductivity. Specifically, PEGDA monomer with 0.5 wt% TPO, the inorganic electrolyte (nano-LLZTO), and lithium salt (LiTFSI) with different weight ratio was mixed (Fig. S1 ).