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Journal of Energy Chemistry 2024年第8期95卷 540-553,I0012页

作者： Yihan Lin Liheng Li Longjie Tan Yongliang Li Xiangzhong Ren Peixin Zhang Chuanxin He lingna sun College of Chemistry and Environmental Engineering Shenzhen UniversityShenzhen 518060GuangdongChina

Although lithium-sulfur batteries(LSBs)exhibit high theoretical energy density,their practical application is hindered by poor conductivity of the sulfur cathode,the shuttle effect,and the irreversible deposition of Li_(2)*** address these issues,a novel composite,using electrospinning technology,consisting of Fe_(3)Se_(4)and porous nitrogen-doped carbon nanofibers was designed for the interlayer of *** porous carbon nanofiber structure facilitates the transport of ions and electrons,while the Fe_(3)Se_(4)material adsorbs lithium polysulfides(LiPSs)and accelerates its catalytic conversion ***,the Fe_(3)Se_(4)material interacts with soluble LiPSs to generate a new polysulfide intermediate,Li_(x)FeS_(y)complex,which changes the electrochemical reaction pathway and facilitates the three-dimensional deposition of Li_(2)S,enhancing the reversibility of *** designed LSB demonstrates a high specific capacity of1529.6 mA h g^(-1)in the first cycle at 0.2 *** rate performance is also excellent,maintaining an ultra-high specific capacity of 779.7 mA h g^(-1)at a high rate of 8 *** investigation explores the mechanism of the interaction between the interlayer and LiPSs,and provides a new strategy to regulate the reaction kinetics and Li_(2)S deposition in LSBs.

关键词： Lithium-sulfur batteries Polysulfide intermediates Li_(2)S electrodeposition Interlayers Electrostatic spinning Adsorption Catalysis

面向学生隐性素质的基础化学实验教学模式改革

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实验室科学 2024年第2期27卷 94-97页

作者：王苏杭孙灵娜深圳大学化学与环境工程学院广东深圳518060

在互联网+背景下,基于基础化学实验教学平台,采用多元化教学新模式,将微信平台、虚拟仿真实验平台和“翻转课堂”等教学方式有机地结合,改变以往“填鸭式、命令执行式”的实验教学模式,适当互换教师和学生的角色,真正让学生参与其中、... 详细信息

在互联网+背景下,基于基础化学实验教学平台,采用多元化教学新模式,将微信平台、虚拟仿真实验平台和“翻转课堂”等教学方式有机地结合,改变以往“填鸭式、命令执行式”的实验教学模式,适当互换教师和学生的角色,真正让学生参与其中、学于其中、乐于其中。针对实验课的课前课中课后制定系列规定,引导学生树立严谨的科学态度,培养其责任心、自主学习能力,以及实践、创新、团队协作等隐性方面的素质能力,为培养高校创新应用型人才开辟了新的思路和方法。

关键词：基础化学实验互联网+ 隐性素质多元化教学新模式

Hybrid CuO-Co_(3)O_(4)nanosphere/RGO sandwiched composites as anode materials for lithium-ion batteries

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Chinese Journal of Chemical Engineering 2022年第7期35卷 185-192页

作者： Yingmeng Zhang Luting Liu Qingwei Deng Wanlin Wu Yongliang Li Xiangzhong Ren Peixin Zhang lingna sun College of Chemistry and Environmental Engineering Shenzhen UniversityShenzhen 518060China

Hybrid CuO-Co_(3)O_(4)nanosphere building blocks have been embedded between the layered nanosheets of reduced graphene oxides with a three dimensional(3D)hybrid architecture(CuO-Co_(3)O_(4)-RGO),which are successfully applied as enhanced anodes for lithium-ion batteries(LIBs).The CuO-Co_(3)O_(4)-RGO sandwiched nanostructures exhibit a reversible capacity of~847 mA·h·g^(-1)after 200 cycles’cycling at 100 mA·g^(-1)with a capacity retention of 79%.The CuO-Co_(3)O_(4)-RGO compounds show superior electrochemical properties than the comparative CuO-Co_(3)O_(4),Co_(3)O_(4)and CuO anodes,which may be ascribed to the following reasons:the hybridizing multicomponent can probably give the complementary advantages;the mutual benefit of uniformly distributing nanospheres across the layered RGO nanosheets can avoid the agglomeration of both the RGO nanosheets and the CuO-Co_(3)O_(4) nanospheres;the 3D storage structure as well as the graphene wrapped composite could enhance the electrical conductivity and reduce volume expansion effect associated with the discharge-charge process.

关键词： Composites Nanostructure Nanoparticles Reduced graphene oxide Metal oxides Lithium ion batteries

Fe_(2)O_(3)-MWNTs Composite with Reinforced Concrete Structure as High-performance Anode Material for Lithium-ion Batteries

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Chemical Research in Chinese Universities 2023年第2期39卷 240-245页

作者： WANG Suhang ZUO Jinxin LI Yongliang ZHONG Yiming REN Xiangzhong ZHANG Peixin sun lingna College of Chemistry and Environmental Engineering Shenzhen UniversityShenzhen518060P.R.China Babel International College PerthWA6100Australia

A Fe_(2)O_(3)-MWNTs(multi-walled carbon nanotubes)composite with a reinforced concrete structure was fabricated employing a two-step method which involves a sol-gel process followed by high-temperature in situ *** Fe_(2)O_(3)-MWNTs composite,intended to be used as an anode material for lithium-ion batteries,maintained a reversible capacity as high as 896.3 mA·h/g after 100 cycles at a current density of 100 mA/g and the initial coulombic efficiency reached 75.5%.The rate capabilities of the Fe_(2)O_(3)-MWNTs composite,evaluated using the ratios of capacity at 100,200,500,1000,2000 and 100 mA/g after every 10 cycles,were determined to be 904.7,852.1,759.0,653.8,566.8 and 866.3 mA·h/g,*** a superior electrochemical performance of the Fe_(2)O_(3)-MWNTs composite is mainly attributed to the reinforced concrete construction,in which the MWNTs function as the skeleton and conductive *** a structure contributes to shortening the transport pathways for both Li+and electrons,enhancing conductivity and accommodating volume expansion during prolonged *** Fe_(2)O_(3)-MWNTs composite with the designed structure is a promising anode material for high-performance lithium-ion batteries.

关键词： Lithium-ion battery Anode material Fe_(2)O_(3)-multi-walled carbon nanotubes(MWNTs)composite Sol-gel Reinforced concrete structure

A Multifunctional Anti-Proton Electrolyte for High-Rate and Super-Stable Aqueous Zn-Vanadium Oxide Battery

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Nano-Micro Letters 2022年第9期14卷 272-289页

作者： Yangwu Chen Dingtao Ma Kefeng Ouyang Ming Yang Sicheng Shen Yanyi Wang Hongwei Mi lingna sun Chuanxin He Peixin Zhang College of Chemistry and Environmental Engineering Shenzhen UniversityShenzhen 518060People’s Republic of China Institute of Microscale Optoelectronics Shenzhen UniversityShenzhen 518060People’s Republic of China

Large volumetric expansion of cathode hosts and sluggish transport kinetics in the cathode–electrolyte interface,as well as dendrite growth and hydrogen evolution at Zn anode side are considered as the system problems that cause the electrochemical failure of aqueous Zn-vanadium oxide *** this work,a multifunctional anti-proton electrolyte was proposed to synchronously solve all those *** and experimental studies confirm that PEG 400 additive can regulate the Zn^(2+) solvation structure and inhibit the ionization of free water molecules of the ***,smaller lattice expansion of vanadium oxide hosts and less associated by-product formation can be realized by using such ***,such electrolyte is also beneficial to guide the uniform Zn deposition and suppress the side reaction of hydrogen *** to the integrated synergetic modifica-tion,a high-rate and ultrastable aqueous Zn-V_(2)O_(3)/C battery can be constructed,which can remain a specific capacity of 222.8 m Ah g^(-1)after 6000 cycles at 5 A g^(-1),and 121.8 m Ah g^(-1) even after 18,000 cycles at 20 A g^(-1),***“all-in-one”solution based on the electrolyte design provides a new strategy for developing high-performance aqueous Zn-ion battery.

关键词： Zn-vanadium oxide battery Multifunctional anti-proton electrolyte Integrated synergetic modification “All-in-one”solution

Rechargeable Aqueous Zinc-Ion Batteries in MgSO4/ZnSO4 Hybrid Electrolytes

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Nano-Micro Letters 2020年第5期12卷 33-48页

作者： Yingmeng Zhang Henan Li Shaozhuan Huang Shuang Fan lingna sun Bingbing Tian Fuming Chen Ye Wang Yumeng Shi Hui Ying Yang College of Chemistry and Environmental Engineering Shenzhen UniversityShenzhen 518060GuangdongPeople’s Republic of China International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education Institute of Microscale OptoelectronicsShenzhen UniversityShenzhen 518060People’s Republic of China Engineering Technology Research Center for 2D Material Information Function Devices and Systems of Guangdong Province ShenzhenPeople’s Republic of China Institute of Microscale Optoelectronics Shenzhen UniversityShenzhen 518060People’s Republic of China Pillar of Engineering Product Development Singapore University of Technology and Design8 Somapah RoadSingapore 487372Singapore School of Physics and Telecommunication Engineering South China Normal UniversityGuangzhou 510006People’s Republic of China Key Laboratory of Material Physics of Ministry of Education School of Physics and EngineeringZhengzhou UniversityZhengzhou 450052People’s Republic of China

MgSO4 is chosen as an additive to address the capacity fading issue in the rechargeable zinc-ion battery system of MgxV2O5·nH2O//ZnSO4//*** with different concentration ratios of ZnSO4 and MgSO4 are *** batteries measured in the 1 M ZnSO4^-1 M MgSO4 electrolyte outplay other competitors,which deliver a high specific capacity of 374 mAh g^-1 at a current density of 100 mA g^-1 and exhibit a competitive rate performance with the reversible capacity of 175 mAh g^-1 at 5 A g^-*** study provides a promising route to improve the performance of vanadium-based cathodes for aqueous zinc-ion batteries with electrolyte optimization in cost-effective electrolytes.

关键词： Aqueous zinc-ion batteries Hybrid electrolytes Electrolyte additives Magnesium ions Vanadates

分子印迹型二氧化钛及其复合材料的合成和应用

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化学进展 2018年第11期30卷 1749-1760页

作者：管杰孙玲娜徐琴胡效亚扬州大学化学化工学院扬州225000

分子印迹技术是将分子设计、大分子合成、分子识别、生物模拟以及生物工程等技术的优点结合起来发展而成的一种新兴跨学科方法,所形成的分子印迹聚合物亲合性好、选择性和稳定性高。二氧化钛及其复合材料价格低廉、安全高效、绿色环保... 详细信息

分子印迹技术是将分子设计、大分子合成、分子识别、生物模拟以及生物工程等技术的优点结合起来发展而成的一种新兴跨学科方法,所形成的分子印迹聚合物亲合性好、选择性和稳定性高。二氧化钛及其复合材料价格低廉、安全高效、绿色环保、光催化活性高,被广泛应用于光催化、光电转换等领域。二氧化钛及其复合材料形成的分子印迹聚合物稳定性高,光催化活性好,并且具有良好的选择性,能对低浓度、高毒性污染物进行选择性富集及光催化降解,拓宽了其应用范围。本文综述了近二十年来分子印迹型二氧化钛及其复合材料的制备方法及其在光催化降解、传感器构建以及其他领域的应用概况,并进行展望。

关键词：二氧化钛复合材料分子印迹合成方法应用

Hybrid CuO-Co₃O₄ nanosphere/RGO sandwiched composites as anode materials for lithium-ion batteries

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Chinese Journal of Chemical Engineering 2022年第7期

作者： Yingmeng Zhang Luting Liu Qingwei Deng Wanlin Wu Yongliang Li Xiangzhong Ren Peixin Zhang lingna sun

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双载药丝蛋白水凝胶的构筑及其释药性能研究

化学学报 2021年第8期79卷 1023-1029页

作者：王苏杭孙灵娜曹涵钟一鸣邵正中深圳大学化学与环境工程学院深圳518060 复旦大学聚合物分子工程国家重点实验室先进材料实验室高分子科学系上海200433 Babel International College PerthWA 6100Australia

可注射水凝胶因其可以长时间在肿瘤病灶部位缓慢释放药物及避免外科手术风险等而备受关注.本工作将载有盐酸阿霉素(DOX)的介孔硅分子筛SBA-15/DOX与混有血管阻断剂康普瑞汀磷酸二钠盐(CA4P)的再生丝蛋白(RSF)水溶液均匀混合后,根据丝蛋... 详细信息

可注射水凝胶因其可以长时间在肿瘤病灶部位缓慢释放药物及避免外科手术风险等而备受关注.本工作将载有盐酸阿霉素(DOX)的介孔硅分子筛SBA-15/DOX与混有血管阻断剂康普瑞汀磷酸二钠盐(CA4P)的再生丝蛋白(RSF)水溶液均匀混合后,根据丝蛋白能在多种促进条件下易形成β-折叠构象并成为物理交联点/区域的特性,通过超声法制得了具有两种不同药物释放行为的(RSF/CA4P)-(SBA-15/DOX)可注射水凝胶.其中快速释放的CA4P,与肿瘤血管的内皮细胞中β-微管蛋白的秋水仙碱结合位点结合,破坏已生成的肿瘤血管,进而阻断对肿瘤细胞的氧气输送和营养输送;而长时间持续缓慢释放的DOX,将抑制肿瘤细胞的生长.具有不同药物释放动力学的良好组合,使得(RSF/CA4P)-(SBA-15/DOX)水凝胶在较长时间内对人乳腺肿瘤细胞(MDA-MB-231)的增殖有较强的抑制作用,同时达到了降低DOX的使用剂量但仍能保持高效的抗肿瘤细胞作用的目的.另外,此类水凝胶具有可塑性和可注射性,也能在暗场下发出相应的荧光,这为其在生物医疗方面的应用带来了极大的便利.

关键词：生物大分子丝蛋白水凝胶可注射性双药物释放行为

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Mg(OH)_2纳米晶的可控制备

深圳大学学报（理工版） 2013年第2期30卷 205-209页

作者：孙灵娜洪伟良刘日明田德余深圳市功能高分子重点实验室深圳大学化学与化工学院深圳518060

以醋酸镁为原料,氨水为沉淀剂,采用沉淀法制备Mg(OH)2纳米晶,使其自然干燥,以降低烘干对Mg(OH)2产生硬团聚的影响.探讨氨水浓度、聚乙二醇添加量、反应温度和反应时间等对产物形貌及产率的影响,推测其生长机理.通过对反应条件的调控,分... 详细信息

以醋酸镁为原料,氨水为沉淀剂,采用沉淀法制备Mg(OH)2纳米晶,使其自然干燥,以降低烘干对Mg(OH)2产生硬团聚的影响.探讨氨水浓度、聚乙二醇添加量、反应温度和反应时间等对产物形貌及产率的影响,推测其生长机理.通过对反应条件的调控,分别制得直径约4 nm的Mg(OH)2针状结构、直径20～30 nm的纳米颗粒和花状结构,以及直径40 nm的棒状结构.利用透射电子显微镜对产物形貌和粒径进行分析,采用X射线粉末衍射法研究Mg(OH)2的晶体结构.

关键词：无机化合物醋酸镁沉淀法氢氧化镁纳米晶生长机理