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Amphipathic Phenylalanine-Induced Nucleophilic-Hydrophobic Interface Toward Highly Reversible Zn Anode

Nano-Micro Letters 2024年第9期16卷 95-109页

作者： Anbin Zhou Huirong wang Fengling Zhang Xin Hu Zhihang Song Yi Chen Yongxin Huang Yanhua Cui yixiu Cui Li Li Feng Wu Renjie Chen Beijing Key Laboratory of Environmental Science and Engineering School of Materials Science and EngineeringBeijing Institute of TechnologyBeijing 100081People’s Republic of China Advanced Technology Research Institute Beijing Institute of TechnologyJinan 250300People’s Republic of China Collaborative Innovation Center of Electric Vehicles in Beijing Beijing 100081People’s Republic of China Institute of Electronic Engineering China Academy of Engineering PhysicsMianyang 621900People’s Republic of China

Aqueous Zn^(2+)-ion batteries(AZIBs),recognized for their high security,reliability,and cost efficiency,have garnered considerable attention.However,the prevalent issues of dendrite growth and parasitic reactions at the Zn electrode interface significantly impede their practical application.In this study,we introduced a ubiquitous biomolecule of phenylalanine(Phe)into the electrolyte as a multifunctional additive to improve the reversibility of the Zn anode.Leveraging its exceptional nucleophilic characteristics,Phe molecules tend to coordinate with Zn^(2+)ions for optimizing the solvation environment.Simultaneously,the distinctive lipophilicity of aromatic amino acids empowers Phe with a higher adsorption energy,enabling the construction of a multifunctional protective interphase.The hydrophobic benzene ring ligands act as cleaners for repelling H_(2)O molecules,while the hydrophilic hydroxyl and carboxyl groups attract Zn^(2+)ions for homogenizing Zn^(2+)flux.Moreover,the preferential reduction of Phe molecules prior to H_(2)O facilitates the in situ formation of an organic-inorganic hybrid solid electrolyte interphase,enhancing the interfacial stability of the Zn anode.Consequently,Zn||Zn cells display improved reversibility,achieving an extended cycle life of 5250 h.Additionally,Zn||LMO full cells exhibit enhanced cyclability of retaining 77.3%capacity after 300 cycles,demonstrating substantial potential in advancing the commercialization of AZIBs.

关键词： Zn anode Phenylalanine Adsorption energy Solvation sheath

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Interface regulation of Cu_(2)Se via Cu–Se–C bonding for superior lithium-ion batteries

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Nano Research 2023年第2期16卷 2421-2427页

作者： Kefu Zhu Shiqiang Wei Quan Zhou Shuangming Chen Yunxiang Lin Pengjun Zhang Yuyang Cao Changda wang yixiu wang Yujian Xia Dengfeng Cao Zeinab Mohamed Xin Guo Xiya Yang Xiaojun Wu Li Song National Synchrotron Radiation Laboratory Chinese Academy of Sciences(CAS)Center for Excellence in NanoscienceUniversity of Science and Technology of ChinaHefei 230029China Institutes of Physical Science and Information Technology Anhui UniversityHefei 230601China School of Chemistry and Material Sciences University of Science and Technology of ChinaHefei 230026China

Transition metal selenides have aroused great attention in recent years due to their high theoretical capacity.However,the huge volume fluctuation generated by conversion reaction during the charge/discharge process results in the significant electrochemical performance reduction.Herein,the carbon-regulated copper(I)selenide(Cu_(2)Se@C)is designed to significantly promote the interface stability and ion diffusion for selenide electrodes.The systematic X-ray spectroscopies characterizations and density functional theory(DFT)simulations reveal that the Cu–Se–C bonding forming on the surface of Cu2Se not only improves the electronic conductivity of Cu_(2)Se@C but also retards the volume change during electrochemical cycling,playing a pivotal role in interface regulation.Consequently,the storage kinetics of Cu_(2)Se@C is mainly controlled by the capacitance process diverting from the ion diffusion-controlled process of Cu2Se.When employed this distinctive Cu_(2)Se@C as anode active material in Li coin cell configuration,the ultrahigh specific capacity of 810.3 mA·h·g^(−1)at 0.1 A·g^(−1)and the capacity retention of 83%after 1,500 cycles at 5 A·g^(−1)is achieved,implying the best Cu-based Li^(+)-storage capacity reported so far.This strategy of heterojunction combined with chemical bonding regulation opens up a potential way for the development of advanced electrodes for battery storage systems.

关键词： Cu–Se–C bonding interface regulation lithium-ion battery X-ray absorption spectroscopy(XAS) operando synchrotron radiation X-ray diffraction(SRXRD)

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Parallel Nanoimprint Forming of One-Dimensional Chiral Semiconductor for Strain-Engineered Optical Properties

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Nano-Micro Letters 2020年第11期12卷 242-254页

作者： yixiu wang Shengyu Jin Qingxiao wang Min Wu Shukai Yao Peilin Liao Moon JKim Gary JCheng Wenzhuo Wu School of Industrial Engineering Purdue UniversityWest LafayetteIN 47907USA Flex Laboratory Purdue UniversityWest LafayetteIN 47907USA Department of Materials Science and Engineering University of Texas at DallasRichardsonTX 75080USA School of Materials Engineering Purdue UniversityWest LafayetteIN 47907USA Birck Nanotechnology Center Purdue UniversityWest LafayetteIN 47907USA Regenstrief Center for Healthcare Engineering Purdue UniversityWest LafayetteIN 47907USA

The low-dimensional,highly anisotropic geometries,and superior mechanical properties of one-dimensional(1D) nanomaterials allow the exquisite strain engineering with a broad tunability inaccessible to bulk or thin-film materials.Such capability enables unprecedented possibilities for probing intriguing physics and materials science in the 1-D limit.Among the techniques for introducing controlled strains in 1D materials,nanoimprinting with embossed substrates attracts increased attention due to its capability to parallelly form nanomaterials into wrinkled structures with controlled periodicities,amplitudes,orientations at large scale with nanoscale resolutions.Here,we systematically investigated the strain-engineered anisotropic optical properties in Te nanowires through introducing a controlled strain field using a resist-free thermally assisted nanoimprinting process.The magnitude of induced strains can be tuned by adjusting the imprinting pressure,the nanowire diameter,and the patterns on the substrates.The observed Raman spectra from the chiral-chain lattice of 1D Te reveal the strong lattice vibration response under the strain.Our results suggest the potential of 1D Te as a promising candidate for flexible electronics,deformable optoelectronics,and wearable sensors.The experimental platform can also enable the exquisite mechanical control in other nanomaterials using substrate-induced,on-demand,and controlled strains.

关键词： Chiral semiconductor Nanowires Nanoimprinting Strain engineering Optical property

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城市记忆与文学感知:清代前中期咏史词中的南京书写

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河南大学学报（社会科学版） 2024年第2期64卷 84-88,154,155页

作者：翟怡秀西北大学文学院陕西西安710127

清代前中期写南京的咏史词多用“金陵”称呼南京,这与“金陵”的“王气”寓意及历代文人将其和咏史挂钩造成的思维定势有关。清人丰富和深化了“金陵”的内涵,使其由城市别名演变为文化语码。清人吟咏南京,多提到六代;对六代的吟咏中有... 详细信息

清代前中期写南京的咏史词多用“金陵”称呼南京,这与“金陵”的“王气”寓意及历代文人将其和咏史挂钩造成的思维定势有关。清人丰富和深化了“金陵”的内涵,使其由城市别名演变为文化语码。清人吟咏南京,多提到六代;对六代的吟咏中有对明朝的反思,吟咏明朝时也多用六代进行对照。六代可谓明朝的影子,南京则是映出影子的镜子。雍、乾年间写南京的部分咏史词,有关国破家亡的内容明显减少,这与当时清朝的强盛及南京的繁华有关;虽相对缺乏思想深度,但仍具一定词史意义和价值。

关键词：咏史词南京金陵明朝六代

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马克思“对象性”思想的概念史探源——从康德的“对象”到黑格尔的“对象性”

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江汉论坛 2024年第1期 70-76页

作者：张义修浙大城市学院马克思主义学院浙江杭州310015

马克思的“对象性”概念集中体现了他与德国古典哲学的思想联系。康德的“对象”概念不同于“客体”,他强调主体在认知领域的建构性,并基于主体性视域破解了主客二分的难题,但却遭遇了认知与实践二元论问题。为了克服康德的二元论,费希... 详细信息

马克思的“对象性”概念集中体现了他与德国古典哲学的思想联系。康德的“对象”概念不同于“客体”,他强调主体在认知领域的建构性,并基于主体性视域破解了主客二分的难题,但却遭遇了认知与实践二元论问题。为了克服康德的二元论,费希特确立起第一性的“自我”,将“对象”背后的主体绝对化;谢林区分了“绝对自我”与“经验自我”,强调“自我意识”对主客体同一的作用。在此基础上,黑格尔提出“对象性”概念,将其作为精神自我演进的基本形式,通过“对象意识”到“自我意识”的转变打通理论与实践的疆界。在此影响下,马克思形成了自己的“对象性”思想,包括从主体方面出发的认识论、以对象性活动为基础的生产实践论、关系主义的社会存在论和生存论,实现了对德国古典哲学的继承和发展。

关键词：马克思对象性康德黑格尔概念史

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CuAlCl4 doped MIL-101 as a high capacity CO adsorbent with selectivity over N2

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Frontiers of Chemical Science and Engineering 2014年第3期8卷 340-345页

作者： yixiu wang Chao LI Fanchao MENG Shuling LV Jintao GUO Xiaoqin LIU Chongqing wang Zhengfei MA College of Chemistry and Chemical Engineering Nanjing University of Technology Nanjing 210009 China State Key Laboratory of Materials-Oriented Chemical Engineering Nanjing University of Technology Nanjing 210009 China

A CuAlCl4 doped metal organic framework, CuAlCl4@MIL-101, was prepared by introducing CuAlCl4 into the pores of MIL-101 for the selective adsorption of CO over N2. The CuAlCl4 molecules were evenly distributed into various pores sizes and did not change the intrinsic structure of the MIL-101. Isotherms for CO and N2 adsorption at 298 K showed that the CO capacity on CuAlCl4@MIL-101 was much higher than that on virgin MIL-101, whereas the N2 capacity decreased. The selectivity for CO over N2 improved from 4.64 to 31.5 at 298 K and 1 bar. The CuAlCl4@MIL-101 adsorbent displayed outstanding CO adsorption stability and the adsorbent could be regenerated by applying a simple vacuum of 4 mmHg.

关键词： metal organic framework CO adsorbent highstability high selectivity CuAlCl4

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Chitosan biopolymer-derived self-powered triboelectric sensor with optimized performance through molecular surface engineering and data-driven learning

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InfoMat 2019年第1期1卷 116-125页

作者： Chenxiang Ma Shengjie Gao Xinqi Gao Min Wu Ruoxing wang yixiu wang Zhiyuan Tang Fengru Fan Wenxuan Wu Hong Wan Wenzhuo Wu School of Industrial Engineering Purdue UniversityWest LafayetteIndiana Department of Applied Chemistry School of Chemical Engineering and TechnologyTianjin UniversityTianjinChina Flex Laboratory Purdue UniversityWest LafayetteIndiana Department of Chemistry and Biochemistry University of CaliforniaSanta BarbaraCalifornia Department of Research&Development Shenzhen Broadthink Advanced Materials Technologies Co.Ltd.ShenzhenGuangdongChina Edward P.Fitts Department of Industrial&Systems Engineering North Carolina State UniversityRaleighNorth Carolina Birck Nanotechnology Center Purdue UniversityWest LafayetteIndiana Regenstrief Center for Healthcare Engineering Purdue UniversityWest LafayetteIndiana

The state-of-the-art triboelectric nanogenerators(TENGs)are constructed with synthetic polymers,curtailing their application prospects and relevance in sustainable technologies.The economically viable transformation and engineering of naturally abundant materials into efficient TENGs for mechanical energy harvesting is meaningful not only for fundamental scientific exploration,but also for addressing societal needs.Being an abundant natural biopolymer,chitosan enables exciting opportunity for low-cost,biodegradable TENG applications.However,the electrical outputs of chitosan-based TENGs are low compared with the devices built with synthetic polymers.Here,we explore the facile molecular surface engineering in chitosan to significantly boost the performance of chitosan-based TENG for enabling the practical applications,for example,self-powered car speed sensor.The molecular surface engineering offers a potentially promising scheme for designing and implementing high-performance biopolymer-based TENGs for selfpowered nanosystems in sustainable technologies.We further explore for the first time the feasibility of data mining approaches to analyze and learn the acquired triboelectric signals from the car speed sensors and predict the relationship between the triboelectric signals and car speed values.

关键词： performance polymer surface

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基于一元线性回归模型的供水网络中水表读数虚高问题研究

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浙江工贸职业技术学院学报 2024年第1期24卷 70-73,84页

作者：韩义秀浙江工贸职业技术学院浙江温州325003

为了定量研究供水网络中总表漏水程度和分表读数虚高程度,根据水量平衡分析法的原理,结合大数据分析技术,建立了一元线性回归方程,回归常数代表总表漏水量程度,回归系数代表分表读数虚高程度。通过针对2021年某高校供水管网的实证研究表... 详细信息

为了定量研究供水网络中总表漏水程度和分表读数虚高程度,根据水量平衡分析法的原理,结合大数据分析技术,建立了一元线性回归方程,回归常数代表总表漏水量程度,回归系数代表分表读数虚高程度。通过针对2021年某高校供水管网的实证研究表明,总表日均漏水量为15.5958吨,分表读数虚高率为1.07%。该方法对供水管网漏损率的精准评估等问题的解决提供了新的思路和方法。

关键词：供水网络水量平衡分析法一元线性回归模型漏水量虚高

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混合现实技术在游离腓骨皮瓣修复下颌骨缺损中的应用研究

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中国修复重建外科杂志 2024年第5期38卷 588-592页

作者：宋宣向大兰刘代德刘一秀武警四川省总队医院口腔科四川乐山614000 重庆市石柱县人民医院外科重庆石柱409100 重庆大学附属肿瘤医院肿瘤转移与个体化诊治转化研究重庆市重点实验室重庆400030

目的探讨在游离腓骨皮瓣修复下颌骨缺损中,使用混合现实技术定位穿支血管的可行性和效果。方法2020年6月—2023年6月,采用游离腓骨皮瓣修复12例下颌骨缺损患者。男8例,女4例;年龄35~78岁,平均61岁。下颌骨成釉细胞瘤9例,侵犯下颌骨口腔... 详细信息

目的探讨在游离腓骨皮瓣修复下颌骨缺损中,使用混合现实技术定位穿支血管的可行性和效果。方法2020年6月—2023年6月,采用游离腓骨皮瓣修复12例下颌骨缺损患者。男8例,女4例;年龄35~78岁,平均61岁。下颌骨成釉细胞瘤9例,侵犯下颌骨口腔鳞癌3例。病程15 d~2年,中位病程14.2个月。下颌骨缺损长度5~14 cm,平均8.5 cm;软组织缺损范围为5 cm×4 cm~8 cm×6 cm。术前均行颌面部增强CT和下肢CT血管造影检查,将所得数据制成下颌骨、下肢穿支血管三维模型。术中使用混合现实技术将穿支血管三维模型重叠于患者体表,制取游离腓骨皮瓣修复缺损。腓骨切取长度为6~15 cm,平均9.5 cm;皮瓣切取范围6 cm×5 cm~10 cm×8 cm,供区拉拢缝合(7例)或游离植皮修复(5例)。结果12例患者术前使用混合现实技术定位穿支血管30支,每例平均2.5支;术中测量术前定位穿支血管穿出点与实际穿出点距离为1~4 mm,平均2.8 mm。术后12例腓骨瓣顺利成活;1例皮瓣远端边缘坏死,换药后延期愈合。供区发生感染1例,经抗炎换药治疗后愈合;其余患者切口Ⅰ期愈合,植皮顺利成活。患者均获随访,随访时间8~36个月,中位时间21个月。修复面部外形好,皮瓣无臃肿。3例术后接受放化疗患者中,随访6个月时2例正常骨愈合、1例延迟愈合。结论在游离腓骨皮瓣修复下颌骨缺损手术中使用混合现实技术,可以实现穿支血管三维可视化,手术操作简便,误差较小。

关键词：混合现实技术游离腓骨皮瓣下颌骨缺损穿支血管修复重建

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艺术治疗理念中的心理交互应用

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丝网印刷 2024年第11期 103-105页

作者：郑伊秀中南民族大学

探索艺术治疗理念在心理交互应用中的价值意义,以进一步优化心理交互应用的功能与用户体验,满足人们的心理健康需要。

关键词：艺术治疗心理健康APP 情感化设计

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