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Self-healable gels in electrochemical energy storage devices

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Nano Research 2024年第4期17卷 3302-3323页

作者： Yang Li PeiPei Ding yuzhe gu Sheng Qian Yuncong Pang Lele Wang Jiayang Feng Baoguang Liu Qi Wan Ping Li Zhiwei Liu College of Electronic and Optical Engineering&College of Flexible Electronics(Future Technology) Nanjing University of Posts&Telecommunications(NJUPT)Nanjing 210023China State Key Laboratory of Organic Electronics and Information Displays&Jiangsu Key Laboratory for Biosensors Institute of Advanced Materials(IAM)Nanjing University of Posts and Telecommunications(NJUPT)Nanjing 210023China College of Materials Science&Engineering Beijing University of TechnologyBeijing 100124China Beijing Advanced Innovation Center for Materials Genome Engineering Institute for Advanced Materials and TechnologyUniversity of Science and Technology BeijingBeijing 100083China Pillar of Engineering Product Development Singapore University of Technology and DesignSingapore 487372Singapore School of Energy and Environmental Engineering University of Science and Technology BeijingBeijing 100083China

In the green energy and carbon-neutral technology,electrochemical energy storage devices have received continuously increasing attention ***,due to the unavoidable volume expansion/shrinkage of key materials or irreversible mechanical damages during application,the stability of energy storage and delivery as well as the lifetime of these devices are severely shortened,leading to serious performance degradation or even safety ***,the utilization of self-healable gels into electrochemical energy storage devices,such as electrodes,binders,and electrolytes,is proven as an effective method to realize long-term stable operation of these devices via the self-repairing of mechanical and electrochemical ***,this review first summarizes the feature and fabrication of different gels,paying special attention to hydrogels,organohydrogels,and ***,basic concepts and figure of merit of self-healable gels are analyzed with a detailed discussion at the healing mechanisms,from reversible dynamic bonds to physical molecular diffusion,and to external healing *** we introduce all the important parts of electrochemical energy storage devices,which could be replaced by healable gels to enhance the durability,including electrodes,binders,and ***,the critical challenges and future perspectives regarding the future development of healable gels based high-performance electrochemical energy storage devices or electronics are provided.

关键词： self-healable gels healing mechanisms electrodes binders gel electrolytes

An injectable,self-healable,and reusable PEDOT:PSS/PVA hydrogel patch electrode for epidermal electronics

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Nano Research 2024年第6期17卷 5479-5490页

作者： Yang Li yuzhe gu Sheng Qian Shuwen Zheng Yuncong Pang Lele Wang Baoguang Liu Shujuan Liu Qiang Zhao College of Electronic and Optical Engineering and College of Flexible Electronics(Future Technology) Nanjing University of Posts and Telecommunications(NJUPT)Nanjing 210023China State Key Laboratory of Organic Electronics and Information Displays and Jiangsu Key Laboratory for Biosensors Institute of Advanced Materials(IAM)Nanjing University of Posts and Telecommunications(NJUPT)Nanjing 210023China

Injectability empowers conductive hydrogels to transcend traditional limitations,unlocking a realm of possibilities for innovative medical,wearable,and therapeutic applications that can significantly enhance patient care and quality of ***,we report an injectable,self-healable,and reusable hydrogel obtained by mixing the concentrated poly(3,4-ethylenedioxythiophene)doped with polystyrene sulfonate(PEDOT:PSS)suspension(~2 wt.%solid content),polyvinyl alcohol(PVA),and *** the presence of reversible borax/hydroxyl bonds and multiple hydrogen bonds,this PEDOT:PSS/PVA hydrogel exhibits notable shear-thinning behavior and self-healing capabilities,enabling it to be injected as a gel fiber from a ***-prepared injectable hydrogel also demonstrates an ultra-low modulus(~2.5 MPa),reduced on-skin impedance(~45%of commercial electrodes),and high signal-to-noise ratio(SNR)(~15-22 dB)in recording of electrocardiography(ECG),electromyography(EMG),and electroencephalogram(EEG)***,the injectable hydrogels can be remolded and reinjected as the reusable electrodes,maintaining nearly identical electrophysiological recording capabilities and brain-computer interface(BCI)performance compared to commercial wet *** their straightforward fabrication,excellent material properties and electronic performance,ease of cleaning,and remarkable reusability,our injectable PEDOT:PSS/PVA hydrogels hold promise for advancements in BCI based electronics and wearable bioelectronics.

关键词： epidermal hydrogel electrodes reusability injectability self-healing electrophysiological recording brain-computer interface

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激光诱导石墨烯实现可拉伸的多模态传感

Science Bulletin 2024年第11期69卷 1601-1603页

作者：李杨顾雨哲庞芸聪赵强 College of Electronic and Optical Engineering&College of Flexible Electronics(Future Technology) Nanjing University of Posts&Telecommunications(NJUPT)Nanjing 210023China State Key Laboratory of Organic Electronics and Information Displays&Jiangsu Key Laboratory for Biosensors Institute of Advanced Materials(IAM)Nanjing University of Posts&Telecommunications(NJUPT)Nanjing 210023China

Multimodal sensing, achieved by integrating multiple sensors on a flexible substrate, whether worn or implanted, facilitates versatile and highly sensitive monitoring of diverse signals(physical,chemical, electrophysiological), aiding in device miniaturization and finding extensive applications in human–machine interaction,health monitoring, brain–computer interfaces, disease management, and drug delivery [1].

关键词： computer 激光诱导多模态

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云南花卉航空运输物流流程优化与仿真

物流技术 2014年第10期33卷 168-170页

作者：谷雨哲中国民航大学天津300300

针对现行花卉航空运输物流流程中存在的主要问题,提出相应的流程优化策略;并应用Petri网建模方法,建立流程优化前后的时间Petri网仿真模型;最后结合流程运行的实际情况,设置模型参数,使用ExSpect软件对模型进行仿真,采集并分析仿真结果。

关键词：花卉物流航空运输流程优化时间Petri网 ExSpect软件仿真优化云南

肝癌靶向联合免疫治疗耐药后的二线治疗方案研究进展

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临床肝胆病杂志 2024年第2期40卷 386-390页

作者：张天奇曹钰哲左孟轩顾仰葵中山大学肿瘤防治中心微创介入治疗科广州510060 华南恶性肿瘤防治全国重点实验室广州510060

近年来,靶向和免疫单药及联合治疗晚期肝癌的临床研究为一线用药方案选择提供了丰富的疗效与安全性证据。然而,对于肝癌二线治疗方案的选择,目前各项临床指南尚无统一意见,原因在于现有循证医学证据局限于索拉非尼失败后的选择,而对于... 详细信息

近年来,靶向和免疫单药及联合治疗晚期肝癌的临床研究为一线用药方案选择提供了丰富的疗效与安全性证据。然而,对于肝癌二线治疗方案的选择,目前各项临床指南尚无统一意见,原因在于现有循证医学证据局限于索拉非尼失败后的选择,而对于新的一线方案,如靶向免疫联合治疗肝癌耐药后的二线治疗方案,依然缺乏高证据等级的临床试验结论。本文回顾了目前临床试验研究结果,根据药物作用的不同机制,对靶向免疫一线治疗耐药后肝癌二线治疗方案的研究进行了归纳,并系统总结近年研究进展。对于一线靶免联合治疗耐药的肝癌患者,靶向联合治疗、免疫双抗治疗均有望提高疗效、改善生存,未来还需更多前瞻性临床研究数据,为靶免联合治疗耐药的肝癌患者提供有效、安全的治疗方案。

关键词：癌,肝细胞药物疗法抗药性,肿瘤

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Surface Modification of Polyamide66 Fabric by Grafting with Vinyltrimethoxysilane

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Chemical Research in Chinese Universities 2017年第3期33卷 492-498页

作者： WANG Aijuan DUAN yuzhe gu Xiaoyu ZHANG Sheng ZANG Wenhui ing 100029 R R. China

Melt-dripping is always a big chanllenge in flame retardant finishing of synthetic fabrics. In this work, vinyltrimethoxysilane（VTMS） was introduced onto the polyamide66（PA66） surface by microwave grafting to improve the fire performance. The chemical structure of the grafted fabric was characterized by attenuated total reflection Fourier transformation infrared spectroscopy（ATR-FTIR） and X-ray photoelectron spectroscopy（XPS）. The thermal stability analysis and flammability evaluation of the grafted samples by thermogravimetric analysis（TGA）, cone calorimetry, vertical burning tests and limiting oxygen index（LOI） demonstrate that the presence of grafting chains significantly reduces the dripping tendency and decreases the heat release rate of polyamide66（PA66） fabric. The surface morphology observed by scanning electron microscope（SEM） indicates that VTMS can not only promote the formation of protective layers, which prevent the substrate from further thermal degradation, but also promote the char formation ofPA66 substrate during combustion.

关键词： Polyamide66 fabric Microwave grafting Char formation Hydrophobicity Dripping tendency

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基于轻量化YOLOv5的新型菜品识别网络

计算机应用 2024年第2期44卷 638-644页

作者：张成涵宇林钰哲谭程珂王俊帆顾烨婷董哲康高明煜杭州电子科技大学电子信息学院杭州310018 浙江省装备电子研究重点实验室(杭州电子科技大学) 杭州310018

为了更好地满足中餐菜品识别对准确性和时效性的应用需求,设计一种新型的菜品识别网络。在原YOLOv5模型的基础上,结合Supermask方法与结构化通道剪枝对模型进行剪枝操作,并利用Int8量化技术最终实现对模型的轻量化处理,保证模型在菜品... 详细信息

为了更好地满足中餐菜品识别对准确性和时效性的应用需求,设计一种新型的菜品识别网络。在原YOLOv5模型的基础上,结合Supermask方法与结构化通道剪枝对模型进行剪枝操作,并利用Int8量化技术最终实现对模型的轻量化处理,保证模型在菜品识别中兼顾准确率和速度,同时提高模型的可移植性。实验结果表明,所提模型在交并比(IoU)为0.5时,平均精度均值(mAP)达到99.00%,平均每帧识别时间达到59.54 ms,相较于原始YOLOv5降低了20 ms,且准确率基本保持一致。此外,利用Qt软件将新型菜品识别网络移植到瑞萨RZ/G2L开发板,构建智能出餐系统,可实现点餐、生成订单、自动出餐全流程,为未来真正的餐厅智能出餐系统的构建应用提供了理论与实践基础。

关键词： Supermask方法 YOLOv5 轻量化网络移植中餐菜品识别

Engineered nitrogen doping on VO_(2)(B)enables fast and reversible zinc-ion storage capability for aqueous zinc-ion batteries

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Journal of Energy Chemistry 2023年第10期85卷 30-38,I0003页

作者： Xin gu Juntao Wang Xiaobin Zhao Xin Jin yuzhe Jiang Pengcheng Dai Nana Wang Zhongchao Bai Mengdi Zhang Mingbo Wu College of New Energy State Key Laboratory of Heavy Oil ProcessingChina University of Petroleum(East China)Qingdao 266580ShandongChina Institute for Superconducting and Electronic Materials Australian Institute for Innovative MaterialsUniversity of Wollongong Innovation CampusNorth WollongongNew South Wales 2500Australia Institute of Energy Materials Science(IEMS) University of Shanghai for Science and TechnologyShanghai 200093China

Vanadium-based compounds with high theoretical capacities and relatively stable crystal structures are potential cathodes for aqueous zinc-ion batteries(AZIBs).Nevertheless,their low electronic conductivity and sluggish zinc-ion diffusion kinetics in the crystal lattice are greatly obstructing their practical ***,a general and simple nitrogen doping strategy is proposed to construct nitrogen-doped VO_(2)(B)nanobelts(denoted as VO_(2)-N)by the ammonia heat *** with pure VO_(2)(B),VO_(2)-N shows an expanded lattice,reduced grain size,and disordered structure,which facilitates ion transport,provides additional ion storage sites,and improves structural durability,thus presenting much-enhanced zinc-ion storage *** functional theory calculations demonstrate that nitrogen doping in VO_(2)(B)improves its electronic properties and reduces the zinc-ion diffusion *** optimal VO_(2)-N400 electrode exhibits a high specific capacity of 373.7 mA h g^(-1)after 100 cycles at 0.1 A g^(-1)and stable cycling performance after 2000 cycles at 5 A g^(-1).The zinc-ion storage mechanism of VO_(2)-N is identified as a typical intercalation/de-intercalation process.

关键词： Vanadium dioxide Nitrogen doping Cathode materials Aqueous zinc-ion batteries

不同植物蛋白源替代鱼粉对青鱼生长及免疫的影响

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现代畜牧科技 2024年第4期 49-52页

作者：王秀丽杨霞李浩顾秉南刘辉孟禹哲湖州师范学院生命科学学院浙江湖州313000 浙江省水生生物资源养护与开发技术研究重点实验室浙江湖州313000

该试验聚焦青鱼的饲料创新方法,通过应用不同植物蛋白源替代鱼粉对青鱼生长性能、全鱼和肌肉化学成分组成、肠道及肝胰脏酶活的影响。将豆粕SBM、菜粕RSM、棉粕CSM、花生粕PM分别替代试验饲料中10%的鱼粉FM(CP,67%),配制成5组等氮等能... 详细信息

该试验聚焦青鱼的饲料创新方法,通过应用不同植物蛋白源替代鱼粉对青鱼生长性能、全鱼和肌肉化学成分组成、肠道及肝胰脏酶活的影响。将豆粕SBM、菜粕RSM、棉粕CSM、花生粕PM分别替代试验饲料中10%的鱼粉FM(CP,67%),配制成5组等氮等能的试验饲料,分别记为FM、SBM、RSM、CSM、PM。以鱼粉、豆粕、菜粕、棉粕、花生粕为主要蛋白源按相同成分含量配制成粗蛋白(39.34%)、粗脂肪(6.81%)的青鱼配合饲料,并以此为对照组进行试验。研究结果表明,豆粕相较于其他植物蛋白源更适合加入饲料,用豆粕替代试验饲料中<10%的鱼粉较为理想。

关键词：青鱼鱼粉豆粕菜粕棉粕花生粕生长免疫

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