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Status and Opportunities of Zinc Ion Hybrid Capacitors: Focus on Carbon Materials, Current Collectors, and Separators

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纳微快报：英文版 2023年第6期15卷 73-111页

作者： Yanyan Wang Shirong sun Xiaoliang Wu Hanfeng Liang Wenli Zhang college of chemistry Chemical Engineering and Resource UtilizationNortheast Forestry University26 Hexing RoadHarbin 150040People’s Republic of China Guangdong Provincial key laboratory of Plant Resources Biorefinery School of Chemical Engineering and Light IndustryGuangdong University of Technology(GDUT)100 Waihuan Xi RoadPanyu DistrictGuangzhou 510006People’s Republic of China state key laboratory of physical chemistry of solid surfaces College of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005People’s Republic of China Jieyang Branch of chemistry and chemical engineering Guangdong laboratory(Rongjiang laboratory) Jieyang 515200People’s Republic of China School of Advanced Manufacturing Guangdong University of Technology(GDUT)Jieyang 522000People’s Republic of China

Zinc ion hybrid capacitors(ZIHCs), which integrate the features of the high power of supercapacitors and the high energy of zinc ion batteries, are promising competitors in future electrochemical energy storage applications. Carbon-based materials are deemed the competitive candidates for cathodes of ZIHC due to their cost-effectiveness, high electronic conductivity, chemical inertness, controllable surface states, and tunable pore architectures. In recent years, great research efforts have been devoted to further improving the energy density and cycling stability of ZIHCs. Reasonable modification and optimization of carbon-based materials offer a remedy for these challenges. In this review, the structural design, and electrochemical properties of carbon-based cathode materials with different dimensions, as well as the selection of compatible, robust current collectors and separators for ZIHCs are discussed. The challenges and prospects of ZIHCs are showcased to guide the innovative development of carbon-based cathode materials and the development of novel ZIHCs.

关键词： Zinc ion hybrid capacitors Carbon materials Carbon cathode Current collectors Separators

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Tracking the atomic pathways of Pt3Ni-Ni(OH)2 core-shell structures at the gas-liquid interface by in-situ liquid cell TEM

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Science china.chemistry 2020年第4期63卷 513-518页

作者： Junyu Zhang Gen Li Hong-Gang Liao Shi-Gang sun state key Lab of physical chemistry of solid surfaces Collaborative Innovation Center of Chemistry for Energy MaterialsCollege of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005China

Using the in-situ liquid cell transmission electron microscopy, the three-stage growth of Pt3Ni-Ni(OH)2 core-shell structures at the gas-liquid interfaces was clearly observed, which consists of(1) a thermodynamically driven Pt3Ni alloy core by the monomer attachment,(2) a nickel(Ni) shell formation due to the depletion of the Pt salt precursor, and(3) the oxidation and of the Ni shell into Ni(OH)2 flakes. We also further observed the nucleation and growth of the Ni(OH)2 flakes on an existing layer either at the middle part or at the step edge. More interestingly, the dynamic transformation among a Pt3Ni alloy, Ni clusters and Ni(OH)2 flakes was also imaged even at a high electron dose rate.

关键词： Pt3Ni-Ni(OH)2 core-shell structure liquid cell electron microscopy gas-liquid interface dynamic transformation

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Kinetics of dissociative adsorption of formic acid on electrodes of tetrahexahedral platinum nanocrystals

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Science china.chemistry 2009年第10期52卷 1660-1665页

作者： ZHU TianWei TIAN Na KONG DeWen sun ShiGang state key laboratory of physical chemistry of solid surfaces Department of ChemistryCollege of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005China

In the present paper we study the kinetics of dissociative adsorption of formic acid on the electrode of tetrahexahedral platinum nanocrystals (THH Pt NCs). In situ FTIR spectroscopic results demonstrate that HCOOH can be oxidized to CO2 at a low potential (-0.2 V(SCE)) on the THH Pt NCs electrode, and the chemical bonds inside formic acid molecule are broken to form adsorbed COL species. The kinetics of the dissociative adsorption of HCOOH was quantitatively investigated by employing programmed potential step technique. It has been determined that, in 5 × 10-3 mol·L-1 HCOOH + 0.1 mol·L-1 H2SO4 solution, the maximal value of the average rate (υamax) of dissociative adsorption of HCOOH on a commercial Pt/C catalyst electrode is 8.58 × 10-10 mol·cm-2·s-1, while on the THH Pt NCs the υamax is 1.5 times larger than the υamax measured on Pt/C and reaches 13.19 × 10-10 mol·cm-2·s-1. The results have revealed that the reactivity of the THH Pt NCs is much higher than that of the Pt/C catalysts.

关键词： platinum nanocrystals electrocatalysis formic acid dissociative adsorption in situ FTIR spectroscopy

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Surface-Enhanced Raman Spectroscopy:Principles,Methods,and Applications in Energy Systems

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Chinese Journal of chemistry 2023年第3期41卷 355-369页

作者： Quan-Feng He Yu-Jin Zhang Zhi-lan Yang Jin-Chao Dong Xiu-Mei Lin Jian-Feng Li state key laboratory of physical chemistry of solid surfaces College of Chemistry and Chemical EngineeringCollege of EnergyiChEMXiamen UniversityXiamenFujian361005 China Innovation laboratory for Sciences and Technologies of Energy Materials of Fujian Province(IKKEM) XiamenFujian361005 China department of chemistry and Environment Science Fujian Province University Key Laboratory of Analytical ScienceMinnan Normal UniversityZhangzhouFujian363000 China Shenzhen Research Institute of xiamen university ShenzhenGuangdong518000 China

Surface-enhanced Raman spectroscopy(SERS)has advanced significantly since its *** experimental and theoretical efforts have been made to understand the SERS effect and demonstrate its *** to its extremely high sensitivity and selectivity and ability to provide molecular fingerprint information,SERS has a wide range of applications in surface and interfacial chemistry,energy,materials,biomedicine,environmental analysis,*** review aims to provide readers with an understanding of the principles,methodologies,and applications of *** briefly introduce the fundamental theory of the SERS enhancement mechanism and summarize the details of the preparation of SERS-active *** applications of SERS in energy systems are then highlighted,including probing surface reactions and interfacial charge transfer of batteries and ***,the challenges and prospects of SERS research are discussed.

关键词： Surface-enhance Raman spectroscopy In situ characterization Li-ion batteries Water splitting Fuel cells

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Kinetics of thiocyanate orientation conversion on Pt surface studied by in situ step-scan time-resolved microscope FTIR spectroscopy

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Chinese Science Bulletin 2013年第6期58卷 622-626页

作者： ZHOU ZhiYou TIAN Na sun ShiGang state key laboratory for physical chemistry of solid surfaces Department of ChemistryCollege of Chemistry and Chemical EngineeringXiamen University

Fast surface dynamic processes of thiocyanate adsorbed on a nanostructured Pt microelectrode were studied by in situ step-scan time-resolved microscope FTIR spectroscopy(in situ SSTR-MFTIRS) at a time resolution of 100 *** was found that SCN adsorbs preferentially on Pt surface through N atom at low potential,while through S atom at high *** potential-induced orientation conversion between N-and S-bounded forms is very reversible,and occurs only within 2 ms after potential ***,the rate constant(4*103s-1) of conversion from N-to S-bounded adsorption is nearly double to that of the reverse process(2*103s-1).The difference in kinetics of two processes may be explained through the hard-soft acid-base principle.

关键词： FTIR光谱仪时间分辨率电极表面步进扫描硫氰酸盐显微镜动力学原位

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表面图案诱导两嵌段共聚物形成穿孔层状结构的模拟

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高等学校化学学报 2018年第12期39卷 2805-2810页

作者：容婧婧马兰朱有亮黄以能孙昭艳伊犁师范学院物理科学与技术学院新疆凝聚态相变与微结构实验室伊宁835000 中国科学院长春应用化学研究所高分子物理与化学国家重点实验室长春130022 南京大学物理学院固体微结构物理国家重点实验室南京210093

利用耗散粒子动力学方法研究了两嵌段共聚物在表面圆形图案诱导下的相行为.通过调节圆形诱导图案的半径和嵌段共聚物薄膜的厚度,体系出现了非常丰富的穿孔层状相结构(PLS).经过区分将这些结构分为4类,并用PLS-Ⅰ,PLS-Ⅱ,PLS-Ⅲ,PLS-Ⅳ表... 详细信息

利用耗散粒子动力学方法研究了两嵌段共聚物在表面圆形图案诱导下的相行为.通过调节圆形诱导图案的半径和嵌段共聚物薄膜的厚度,体系出现了非常丰富的穿孔层状相结构(PLS).经过区分将这些结构分为4类,并用PLS-Ⅰ,PLS-Ⅱ,PLS-Ⅲ,PLS-Ⅳ表示.绘制了这些结构与圆形图案半径和薄膜厚度关系的相图,并分析了这些结构出现的原因和规律,为设计和发展嵌段共聚物功能薄膜材料提供理论支持.

关键词：耗散粒子动力学方法两嵌段共聚物表面图案诱导穿孔层状结构

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软胶体粒子形成束晶的动力学模拟

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高等学校化学学报 2019年第1期40卷 195-200页

作者：马兰容婧婧朱有亮黄以能孙昭艳伊犁师范学院物理科学与技术学院新疆凝聚态相变与微结构实验室伊宁835000 中国科学院长春应用化学研究所高分子物理与化学国家重点实验室长春130022 南京大学物理学院固体微结构物理国家重点实验室南京210093

利用广义指数模型描述软胶体粒子,结合分子动力学模拟研究软胶体粒子形成束晶的动力学过程.通过等温压缩和等密度降温2个不同的过程,研究了束晶形成过程中结构变化特征和动力学路径对结构的影响规律.研究发现,与蒙特卡洛模拟结果相比,... 详细信息

利用广义指数模型描述软胶体粒子,结合分子动力学模拟研究软胶体粒子形成束晶的动力学过程.通过等温压缩和等密度降温2个不同的过程,研究了束晶形成过程中结构变化特征和动力学路径对结构的影响规律.研究发现,与蒙特卡洛模拟结果相比,分子动力学模拟得到的结构随着密度的变化有明显的迟滞现象,这是由于考虑了真实的动力学因素引起的差异.此外,在相同温度和压力下通过不同的动力学路径得到的相结构不完全相同,这是由于动力学形成过程会对相结构产生很大的影响.

关键词：软粒子束晶分子动力学模拟广义指数模型面心立方体心立方

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Core-Sheath CeO_(2)/SiO_(2) Nanofibers as Nanoreactors for Stabilizing Sinter‑Resistant Pt,Enhanced Catalytic Oxidation and Water Remediation

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Advanced Fiber Materials 2022年第5期4卷 1278-1289页

作者： Yunpeng Wang Zhihui Li Wanlin Fu Yueming sun Yunqian Dai School of chemistry and chemical engineering Southeast UniversityNanjingJiangsu 211189People’s Republic of China

One-dimensional(1D)oxide nanofibers have attracted much attention in recent years but are still hampered by the difficulty in the expansion to 2D or 3D ***,ultrathin CeO_(2)/SiO_(2)nanofibers with intriguing core-sheath structures were simply fabricated by a facile single-spinneret electrospinning method and were subsequently integrated as 2D nanofi-brous mats and 3D *** secondary oxide(i.e.,SiO_(2))could induce a unique fine structure and further inhibit the sintering of CeO_(2)nanocrystals,endowing the resultant dual-oxide nanofibers with high porosity,good flexibility,and enriched oxygen *** from the core-sheath structure and dual-oxide component,the CeO_(2)/SiO_(2)nanofibers could stabilize 2.59 nm-Pt clusters against sintering at 600℃.Once assembled into a 2D mat,the nanofibers could efficiently decrease the soot oxidation temperature by 63℃.Moreover,the core-sheath CeO_(2)/SiO_(2)nanofibers can be readily integrated with graphene nanosheets into a 3D sponge via a gas foaming protocol,showing 218.5 mg/g of adsorption capacity toward Rhodamine B *** work shed lights on the versatile applications of oxide nanofibers toward clean energy ultili-zation and low-carbon development.

关键词： Core-sheath structure CeO_(2) Nanofiber Nanoreactor

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engineering Two-Phase Bifunctional Oxygen Electrocatalysts with Tunable and Synergetic Components for Flexible Zn-Air Batteries

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Nano-Micro Letters 2021年第8期13卷 175-190页

作者： Yanli Niu Xue Teng Shuaiqi Gong Mingze Xu Shi-Gang sun Zuofeng Chen Shanghai key laboratory of chemical Assessment and Sustainability School of Chemical Science and EngineeringTongji UniversityShanghai 200092People’s Republic of China state key Lab of physical chemistry of solid Surface College of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005People’s Republic of China

Metal-air batteries,like Zn-air batteries(ZABs)are usually suffered from low energy conversion efficiency and poor cyclability caused by the sluggish OER and ORR at the air ***,a novel bimetallic Co/CoFe nanomaterial supported on nanoflower-like N-doped graphitic carbon(NC)was prepared through a strategy of coordination construction-cation exchange-pyrolysis and used as a highly efficient bifunctional oxygen *** characterizations and density functional theory calculations reveal the formation of Co/CoFe heterostructure and synergistic effect between metal layer and NC support,leading to improved electric conductivity,accelerated reaction kinetics,and optimized adsorption energy for intermediates of ORR and *** Co/CoFe@NC exhibits high bifunctional activities with a remarkably small potential gap of 0.70 V between the half-wave potential(E_(1/2))of ORR and the potential at 10 mA cm^(-2)(E_(j=10))of *** aqueous ZAB constructed using this air electrode exhibits a slight voltage loss of only 60 mV after 550-cycle test(360 h,15 days).A sodium polyacrylate(PANa)-based hydrogel electrolyte was synthesized with strong water-retention capability and high ionic *** quasi-solid-state ZAB by integrating the Co/CoFe@NC air electrode and PANa hydrogel electrolyte demonstrates excellent mechanical stability and cyclability under different bending states.

关键词： Bifunctional electrocatalysts Oxygen electrocatalysis Zn-air battery Co/CoFe heterointerface engineering Density functional theory calculations

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[(CrGe_(9))Cr_(2)(CO)_(13)]^(4-): A disubstituted case of ten-vertex closo cluster with spherical aromaticity

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Chinese chemical Letters 2022年第4期33卷 2139-2142页

作者： Ya-Shan Huang Dandan Chen Jun Zhu Zhong-Ming sun state key laboratory of Elemento-Organic chemistry Tianjin Key Lab of Rare Earth Materials and ApplicationsSchool of Material Science and EngineeringNankai UniversityTianjin 300350China state key laboratory of physical chemistry of solid surfaces Collaborative Innovation Center of Chemistry for Energy Materials(iChEM)College of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005China

We report the first disubstituted hetero-ten-vertex closo cluster [(CrGe_(9))Cr_(2)(CO)_(13)]^(4-)with three adjacent Cr(CO);units adopting both η^(5) and η^(1) coordination modes,which was synthesized through the reaction of "KGe;" with(MeCN)_(3)Cr(CO)_(4)and Cr(CO)_(6)in ethylenediamine(en) *** contrast to the η^(1)-Cr atoms forming localized two-center two-elelctron(2 c-2 e) Cr-Ge bonds,the hetero atom η^(5)-Cr exhibits versatile bonding mechanisms including three 5 c-2 e and five 8 c-2 e delocalized bonds which account for Hückel *** multi-center bonding patterns delineate the multiple local σ-aromatic characters of the title cluster displaying explicit spherical aromaticity.

关键词： Hetero-ten-atom clusters Closo structure Functionalization Multi-center bonding Spherical aromaticity

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