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学者姓名：李钒
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Abstract ：
Aqueous zinc metal batteries (AZMBs) caught significant attention because of their simple manufacturing processes, low cost, and excellent safety profiles. However, the use of liquid electrolyte in AZMBs would lead to selfcorrosion, hydrogen evolution reaction caused by water decomposition and zinc dendrite growth. These would result in low Coulombic efficiency, poor cycling performance, and cell short-circuiting, limiting the development of AZMBs. Herein, a gel polymer electrolyte (GPE) was designed by introducing polymers of intrinsic microporosity (PIMs) and subjecting the polymer to amidoximation (AO-PIM-1) using bacterial cellulose (BC) as a support membrane to obtain the desired AO-PIM-1/BC GPE. The C=N in the amidoxime functional group in the GPE coordinates with Zn2+ to promote ion transport and uniform deposition of Zn. In addition, the hydrophilic groups, -NH2 and -OH, reduced the energy required for the desolvation of hydrated Zn2+ inducing in a wide electrochemical stability window (2.42 V). Therefore, the Zn//Zn cells that incorporate the AO-PIM-1/BC GPE exhibit a cycle life of up to similar to 1100h and a Coulombic efficiency of 99.97 %. Furthermore, Zn//alpha-MnO2 retains 85 % of its initial capacity after 400 charge/discharge cycles (0.5C) and realizes a dendrite-free Zn anode. This AOPIM-1/BC GPE provides an effective strategy for protecting the Zn anode in AZMBs.
Keyword ：
Electrochemical stability Electrochemical stability Amidoxime functional group Amidoxime functional group Aqueous zinc metal batteries (AZMBs) Aqueous zinc metal batteries (AZMBs) Dendrite-free Dendrite-free Gel polymer electrolyte (GPE) Gel polymer electrolyte (GPE)
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| GB/T 7714 | Wang, Zihao , Wang, Yue , Zou, Haoran et al. Dendrite-free zinc anode enable via amidoxime functional groups in gel polymer electrolytes for aqueous zinc metal batteries [J]. | CHEMICAL ENGINEERING JOURNAL , 2024 , 497 . |
| MLA | Wang, Zihao et al. "Dendrite-free zinc anode enable via amidoxime functional groups in gel polymer electrolytes for aqueous zinc metal batteries" . | CHEMICAL ENGINEERING JOURNAL 497 (2024) . |
| APA | Wang, Zihao , Wang, Yue , Zou, Haoran , Ni, Yijie , Chen, Xin , Guo, Hongxia et al. Dendrite-free zinc anode enable via amidoxime functional groups in gel polymer electrolytes for aqueous zinc metal batteries . | CHEMICAL ENGINEERING JOURNAL , 2024 , 497 . |
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Abstract ：
针对化学、化学工程与技术专业硕士培养环节的课程群建设，本文结合纳米材料、环境、能源等方向的特点，从基础的物理化学研究方法到专业基础的固体结构分析和专业方向的纳米材料制备，打通适应学科发展的三门课程。在统一优化分析的基础上，笔者针对原课程设置的重复内容进行协调统一。笔者通过课程间的融合，整合优势教学资源，侧重问题导向的实际案例学习，结合线上线下教学，实现效益最大化，以此提高教学质量。这有效地提高了教师的教学效率和学生的自学能力以及创新能力。在课程教学实践中，笔者采用集中备课促进双语教学，以拓宽师生的国际化视野。笔者通过典型教案的集中剖析，以促进“课程思政”改革，帮助青年教师快速成长。
Keyword ：
课程思政 课程思政 课程群 课程群 物理化学 物理化学 国际化 国际化 纳米材料 纳米材料 研究方法 研究方法
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| GB/T 7714 | 严勇 , 安丽 , 李钒 . 研究生“物理化学研究方法在纳米材料领域中的应用”课程群建设探索 [J]. | 科学咨询(科技·管理) , 2023 , PageCount-页数: 3 (06) : 68-70 . |
| MLA | 严勇 et al. "研究生“物理化学研究方法在纳米材料领域中的应用”课程群建设探索" . | 科学咨询(科技·管理) PageCount-页数: 3 . 06 (2023) : 68-70 . |
| APA | 严勇 , 安丽 , 李钒 . 研究生“物理化学研究方法在纳米材料领域中的应用”课程群建设探索 . | 科学咨询(科技·管理) , 2023 , PageCount-页数: 3 (06) , 68-70 . |
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Abstract ：
Polymers of intrinsic microporosity (PIMs) have been widely used in functional membranes in recent years because of the inefficient packing of molecules to form stable structural micropores. The gel polymer electrolyte (GPE) was fabricated with bacterial cellulose (BC) as support membrane and the partially amidated PIM-1 (named as PIM-CONH2) as functional layer, which was used as electrolyte membrane in lithium-metal batteries (LMBs). Due to the existence of amide groups, the formed PIM-CONH2/BC GPE exhibited a high Li+ transference number (0.76), good cycling performance (83% capacity retention after 200 cycles at 0.5C), and good rate recovery in a LiFePO4|GPE|Li battery. The layered porous structure in the PIM-CONH2/BC GPE could adjust the Li+ transport behavior, and the presence of an amide group promoted the uniform dissolution/ deposition of Li+. And the amidated PIMs in the GPE could play a significant role in improving the interfacial affinity and suppressing the growth of lithium dendrites. This work provides a new strategy for improving the safety and stability of LMBs in order to meet the demands for functionalized LMB electrolytes.
Keyword ：
Gel polymer electrolyte (GPE) Gel polymer electrolyte (GPE) Electrochemical performance Electrochemical performance Polymers of intrinsic microporosity (PIMs) Polymers of intrinsic microporosity (PIMs) Multilayered structure Multilayered structure
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| GB/T 7714 | Zou, Haoran , Wang, Yue , Li, Xiyuan et al. Multilayered amidated polymer of intrinsic microporosity for gel polymer electrolyte in lithium metal batteries [J]. | JOURNAL OF MEMBRANE SCIENCE , 2023 , 685 . |
| MLA | Zou, Haoran et al. "Multilayered amidated polymer of intrinsic microporosity for gel polymer electrolyte in lithium metal batteries" . | JOURNAL OF MEMBRANE SCIENCE 685 (2023) . |
| APA | Zou, Haoran , Wang, Yue , Li, Xiyuan , Ding, Peipei , Guo, Hongxia , Li, Fan . Multilayered amidated polymer of intrinsic microporosity for gel polymer electrolyte in lithium metal batteries . | JOURNAL OF MEMBRANE SCIENCE , 2023 , 685 . |
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Abstract ：
Fe-N-C has a high number of FeNx active sites and has thus been regarded as a high-performance oxygen reduction reaction (ORR) catalyst, and combining Fe3C with Fe-N-C typically boosts ORR activity. However, the catalytic mechanism remains unknown, limiting further research and development. In this study, a precipitation-solvothermal process was used in conjunction with pyrolysis to produce a series of Fe-N-C catalysts derived from a zeolitic imidazolate framework (ZIF) that was composited with Fe3C. The prepared catalysts had a multiscale structure of ZIF-like carbon particles and rod-like structures, as well as bamboo-like carbon nanotubes (CNTs) and carbon layers wrapped with Fe3C particles while a series of studies revealed the origin of the rod-like structures and Fe3C phase. The hierarchical structure was beneficial to the enhanced electrocatalytic performance of catalysts for ORR. The optimal sample had the highest half-wave potential of 0.878 V vs. RHE, which was higher than that of commercial Pt/C (0.861 V vs. RHE). The ECSA of the optimal sample was 1.08 cm(2) mu g(-1), with an electron transfer number close to 4, and functioning kinetics. The optimal sample exhibited high durability and methanol tolerance for the ORR. Finally, blocking different Fe active sites with coordination ions demonstrated that Fe(ii) was the main active site, indicating that Fe3C primarily served as a cocatalyst to optimize the electron structure of Fe-N-C, thereby synergistically improving the ORR activity.
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| GB/T 7714 | Wang, Tanlun , Xu, Lincheng , Sun, Chenxiang et al. Synthesis of hierarchically structured Fe3C/CNTs composites in a FeNC matrix for use as efficient ORR electrocatalysts [J]. | RSC ADVANCES , 2023 , 13 (6) : 3835-3842 . |
| MLA | Wang, Tanlun et al. "Synthesis of hierarchically structured Fe3C/CNTs composites in a FeNC matrix for use as efficient ORR electrocatalysts" . | RSC ADVANCES 13 . 6 (2023) : 3835-3842 . |
| APA | Wang, Tanlun , Xu, Lincheng , Sun, Chenxiang , Li, Xiyuan , Yan, Yong , Li, Fan . Synthesis of hierarchically structured Fe3C/CNTs composites in a FeNC matrix for use as efficient ORR electrocatalysts . | RSC ADVANCES , 2023 , 13 (6) , 3835-3842 . |
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Abstract ：
针对化学、化学工程与技术专业硕士培养环节的课程群建设,本文结合纳米材料、环境、能源等方向的特点,从基础的物理化学研究方法到专业基础的固体结构分析和专业方向的纳米材料制备,打通适应学科发展的三门课程.在统一优化分析的基础上,笔者针对原课程设置的重复内容进行协调统一.笔者通过课程间的融合,整合优势教学资源,侧重问题导向的实际案例学习,结合线上线下教学,实现效益最大化,以此提高教学质量.这有效地提高了教师的教学效率和学生的自学能力以及创新能力.在课程教学实践中,笔者采用集中备课促进双语教学,以拓宽师生的国际化视野.笔者通过典型教案的集中剖析,以促进"课程思政"改革,帮助青年教师快速成长.
Keyword ：
研究方法 研究方法 课程思政 课程思政 物理化学 物理化学 课程群 课程群 纳米材料 纳米材料 国际化 国际化
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| GB/T 7714 | 严勇 , 安丽 , 李钒 . 研究生"物理化学研究方法在纳米材料领域中的应用"课程群建设探索 [J]. | 科学咨询 , 2023 , (11) : 68-70 . |
| MLA | 严勇 et al. "研究生"物理化学研究方法在纳米材料领域中的应用"课程群建设探索" . | 科学咨询 11 (2023) : 68-70 . |
| APA | 严勇 , 安丽 , 李钒 . 研究生"物理化学研究方法在纳米材料领域中的应用"课程群建设探索 . | 科学咨询 , 2023 , (11) , 68-70 . |
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Abstract ：
The aim of developing platinum-based hydrogen evolution reaction (HER) catalysts is to prepare catalysts with low noble metal loading, stability, and ideal electrocatalytic efficiency. Here, we report the development of a (Ni, Fe) double hydroxide (NiFe-LDH) catalytic electrode using polyvinylpyrrolidone (PVP) as a capping agent and carbon black (CB) and nickel carbonyl powder as components by a simple hydrothermal method. We loaded Pt nanoparticles on the surface after heat treatment of the catalytic electrode. The treated electrode showed a favorable valence state distribution and good morphology for the HER; the metal-carrier interaction was increased through Pt loading, and the reaction path of the HER was optimized. The prepared catalytic electrode had enhanced kinetic performance with an overpotential of only 63 mV at 50 mA cm(-2) and good stability. This provides an effective strategy for developing highly active platinum-based catalytic electrodes.
Keyword ：
low platinum low platinum NiFe-LDH NiFe-LDH hydrogen evolution reaction hydrogen evolution reaction valence regulation valence regulation heat treatment heat treatment
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| GB/T 7714 | Sun, Chenxiang , Wang, Yan , Xu, Lincheng et al. Layered Double (Ni, Fe) Hydroxide Loaded with Platinum Nanoparticles as an Efficient Catalyst for the Hydrogen Evolution Reaction [J]. | ACS APPLIED ENERGY MATERIALS , 2022 , 5 (4) : 5002-5009 . |
| MLA | Sun, Chenxiang et al. "Layered Double (Ni, Fe) Hydroxide Loaded with Platinum Nanoparticles as an Efficient Catalyst for the Hydrogen Evolution Reaction" . | ACS APPLIED ENERGY MATERIALS 5 . 4 (2022) : 5002-5009 . |
| APA | Sun, Chenxiang , Wang, Yan , Xu, Lincheng , Wang, Yue , Wang, Tanlun , Sun, Chunwen et al. Layered Double (Ni, Fe) Hydroxide Loaded with Platinum Nanoparticles as an Efficient Catalyst for the Hydrogen Evolution Reaction . | ACS APPLIED ENERGY MATERIALS , 2022 , 5 (4) , 5002-5009 . |
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Abstract ：
Transition metal oxide nanomaterials or nanocomposites containing transition metal oxides have the potential to replace traditional catalysts for electrochemical applications, photocatalysis, and energy storage. Amorphous manganese oxide catalysts were prepared via photochemical metal-organic deposition (PMOD). Through XRD, SEM-EDS, Raman spectroscopy, FTIR spectroscopy, HRTEM-EDS, and XPS, we confirmed that amorphous manganese oxide catalysts were successfully prepared. Amorphous catalysts prepared with different photolysis times were compared in terms of their performance for the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER), and catalyst MnOx-PMOD48 showed the best performance because of its high Mn3+ proportion and electrochemically active surface area. MnOx-PMOD48 showed better ORR/OER performance than the crystalline MnOx and MnOx/Ti4O7 catalysts from our previous work. Following our previous work on crystalline manganese oxide catalysts, we added Ti4O7 during the PMOD process with 48 h of treatment and obtained the amorphous catalyst MnOx/Ti4O7-PMOD. MnOx/Ti4O7-PMOD was supported by Ti4O7 particles, which led to improved stability. The ORR/OER catalytic activity of MnOx/Ti4O7-PMOD was better than that of crystalline catalyst MnOx/Ti4O7-300, which was the best crystalline catalyst in our previous work. We also compared lithium-oxygen batteries assembled with MnOx/Ti4O7-PMOD and MnOx/Ti4O7-300. The battery performance tests confirmed that the amorphous manganese catalyst had better ORR/OER bifunctional catalytic performance than the crystalline manganese catalyst because of its high defect state with more abundant edge active sites and more surface-exposed catalytic active sites.
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| GB/T 7714 | Bai, Fan , He, Yuxiu , Xu, Lincheng et al. Improved ORR/OER bifunctional catalytic performance of amorphous manganese oxides prepared by photochemical metal-organic deposition [J]. | RSC ADVANCES , 2022 , 12 (4) : 2408-2415 . |
| MLA | Bai, Fan et al. "Improved ORR/OER bifunctional catalytic performance of amorphous manganese oxides prepared by photochemical metal-organic deposition" . | RSC ADVANCES 12 . 4 (2022) : 2408-2415 . |
| APA | Bai, Fan , He, Yuxiu , Xu, Lincheng , Wang, Yue , Wang, Yan , Hao, Zhanzhong et al. Improved ORR/OER bifunctional catalytic performance of amorphous manganese oxides prepared by photochemical metal-organic deposition . | RSC ADVANCES , 2022 , 12 (4) , 2408-2415 . |
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Abstract ：
本发明公开了一种可调控高粘度流体成膜厚度及均匀性的装置，包括成膜盘、上连接杆、万向轴承、三角支架、下连接杆、磁摆、电磁铁、偏转轮和电机。本发明利用类似于地动仪的“悬垂摆原理”，在未通电时由于重力作用使成膜盘成水平状态；通电后通过轴承、连接杆以及电磁铁和磁摆的相互吸引作用使成膜盘与水平面成一定角度做倾斜圆周运动，保证了成膜的均匀性；通过调整偏转轮旋转速度可以控制成膜厚度；依据高粘度流体粘稠度的不同，通过调节电磁铁距偏转轮正中心的距离来调节成膜盘做倾斜圆周运动时与水平面所成角度，也能更好地调节成膜厚度以及均匀性问题。因此，解决了高粘度流体成膜厚度及均匀性不好调控的问题。
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| GB/T 7714 | 李钒 , 路楠 , 侯海元 . 一种可调控高粘度流体成膜厚度及均匀性的装置 : CN202210693854.7[P]. | 2022-06-19 . |
| MLA | 李钒 et al. "一种可调控高粘度流体成膜厚度及均匀性的装置" : CN202210693854.7. | 2022-06-19 . |
| APA | 李钒 , 路楠 , 侯海元 . 一种可调控高粘度流体成膜厚度及均匀性的装置 : CN202210693854.7. | 2022-06-19 . |
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Abstract ：
本发明公开了一种可以阴阳极转换的连续再生光电一体化污水处理装置，由两个圆筒反应室组成，贯流式转轮和绞龙是通过与电机相连的旋转驱动轴驱动的。当污水在贯流式转轮和绞龙的带动下进入第一圆筒反应室后，在紫外灯照射和电极作用下，污水中的特定物质在催化剂的作用下发生光催化和电催化反应，使其得以高效降解。抄板对催化剂起到搅拌的作用，使催化剂界面能够得到及时更新，促进催化过程的进行，也使催化剂的性能更加稳定。经孔板分离后的催化剂进入第二圆筒反应室，电极反转阴阳极转换使催化剂发生电还原反应，恢复其原有的催化效果，实现催化剂的再生，可以连续投入使用。
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| GB/T 7714 | 李钒 , 许林成 , 侯海元 et al. 一种可以阴阳极转换的连续再生光电一体化污水处理装置 : CN202210693845.8[P]. | 2022-06-19 . |
| MLA | 李钒 et al. "一种可以阴阳极转换的连续再生光电一体化污水处理装置" : CN202210693845.8. | 2022-06-19 . |
| APA | 李钒 , 许林成 , 侯海元 , 何瑜庥 . 一种可以阴阳极转换的连续再生光电一体化污水处理装置 : CN202210693845.8. | 2022-06-19 . |
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Abstract ：
The relationship between the interactions of valence, electronic structure and orbitals generated by rare-earth doped perovskites and the electrocatalytic mechanism is important research work. Herein, the experimental and theoretical studies prepared through La1-xSmxMnO3 show that the doping of Sm triggers the B-site active center, which will promote the ORR and OER kinetics at the catalyst interface, and ultimately give La0.7Sm0.3MnO3 (LSM0.3) which has the most positive half-wave potential of 0.70 V versus RHE and the smallest overpotential of 0.48 V. Meanwhile, the specific electron configuration of Sm reduces the grain boundary energy and suppresses Oswald maturation, which causes the smallest reduction for ORR current density during long-term operation. Finally, zinc-air cell assembled with LSM0.3 as a cathode catalyst can be cycled stably for 330 h at 1 mA cm(-2). This work provides new insight into the improved electrocatalytic performance of oxygen by rare-earth doped perovskites.
Keyword ：
density functional theory density functional theory catalytic performance catalytic performance rare earth elements rare earth elements perovskite perovskite
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| GB/T 7714 | Hao, Zhanzhong , Xu, Lincheng , Yan, Yong et al. Understanding the Effect of the Valence State of Perovskite B-Site Ions on Its Oxygen Electrocatalytic Performance [J]. | ADVANCED MATERIALS INTERFACES , 2022 , 9 (16) . |
| MLA | Hao, Zhanzhong et al. "Understanding the Effect of the Valence State of Perovskite B-Site Ions on Its Oxygen Electrocatalytic Performance" . | ADVANCED MATERIALS INTERFACES 9 . 16 (2022) . |
| APA | Hao, Zhanzhong , Xu, Lincheng , Yan, Yong , Li, Fan . Understanding the Effect of the Valence State of Perovskite B-Site Ions on Its Oxygen Electrocatalytic Performance . | ADVANCED MATERIALS INTERFACES , 2022 , 9 (16) . |
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