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| 1 | Effects of thermal activation conditions on the microstructure regulation of corncob-derived activated carbon for hydrogen storage显示文摘Activated carbons derived from corncob(CACs) were prepared by pyrolysis carbonization and KOH activation. Through modifying activation conditions, samples with large pore volume and ultrahigh BET specific surface area could be obtained. The sample achieved the highest hydrogen uptake capacity of 5.80 wt% at 40 bar and-196?C. The as-obtained samples were characterized by N2-sorption, transmission electron microscopy(TEM) and scanning electron microscopy(SEM). Besides, thermogravimetric analysis was also employed to investigate the activation behavior of CACs. Detailed investigation on the activation parameters reveals that moderate activation temperature and heating rate are favorable for preparing CACs with high surface area, large pore volume and optimal pore size distribution. Meanwhile, the micropore volume between 0.65 nm and 0.85 nm along with BET surface area and total pore volume has great effects on hydrogen uptake capacities. The present results indicate that CACs are the most promising materials for hydrogen storage application. | Dabin Wang Zhen Geng Cunman Zhang Xiangyang Zhou Xupeng Liu | 2014 | Journal of Energy Chemistry2014，23，5： | 6 |
| 2 | High performance octahedral PtNi/C catalysts investigated from rotating disk electrode to membrane electrode assembly显示文摘Octahedral PtNi/C catalysts have demonstrated superior catalytic performance in oxyge n reduction reacti on (ORR) over commercial Pt/C with rotating disk electrode (RDE). However, it is not trivial to translate such promising results to real-world membrane-electrode assembly (MEA). In this work, we have synthesized octahedral PtNi/C catalysts using poly(diallyldimethylammonium chloride)(PDDA) as a capping age nt and in vestigated their performance from RDE to MEA. In RDE, mass activity and specific activity of the optimized octahedral PtNi/C catalyst for oxygen reduction reaction (ORR) are nearly 19 and 28 times high of the state-of-the-art commercial Pt/C, respectively. At MEA level, the octahedral PtNi/C catalyst exhibits excelle nt power generation performa nee and durability paired with commercial Pt/C ano de. Its cell voltage at 1,000mA·cm^-2 reaches 0.712 V, and maximum power density is 881.6 mW·cm^-2 and its performance attenuation is also less, around 11.8% and 7% under galvanostatic condition of 1,000 mA·cm^-2 for 100 h. Such results are investiaged by thermodynamic analysis and fundametal performance modeling, which indicate the single cell performance can be further improved by reducing the size of PtNi/C catalyst agglomerates. Such encouraging results have demonstrated the feasibility to convey the superior performance of octahedral PtNi/C from RDE to MEA. | Bing Li Jue Wang Xin Gao Congwei Qin Daijun Yang Hong Lv Qiangfeng Xiao Cunman Zhang | 2019 | Nano Research2019，12，2： | 3 |
| 3 | The Controllable Design of Catalyst Inks to Enhance PEMFC Performance:A Review显示文摘Typical catalyst inks in proton exchange membrane fuel cells(PEMFCs)are composed of a catalyst,its support,an ionomer and a solvent and are used with solution processing approaches to manufacture conventional catalyst layers(CLs).Because of this,catalyst ink formulation and deposition processes are closely related to CL structure and performance.However,catalyst inks with ideal rheology and optimized electrochemical performances remain lacking in the large-scale application of PEMFCs.To address this,this review will summarize current progress in the formulation,characterization,modeling and deposition of catalyst inks.In addition,this review will highlight recent advancements in catalyst ink materials and discuss corresponding complex interactions.This review will also present various catalyst ink dispersion methods with insights into their stability and introduce the application of small-angle scattering and cryogenic transmission electron microscopy(cryo-TEM)technologies in the characterization of catalyst ink microstructures.Finally,recent studies in the kinetic modeling and deposition of catalyst inks will be analyzed. | Yuqing Guo Fengwen Pan Wenmiao Chen Zhiqiang Ding Daijun Yang Bing Li Pingwen Ming Cunman Zhang | 2021 | Electrochemical Energy Reviews2021，4，1： | 2 |
| 4 | Pore size effects of nanoporous carbons with ultra-high surface area on high-pressure hydrogen storage显示文摘In this work, the morphologies and pore structures of a series of corncob-derived activated carbons and zeolite templated carbon with ultrahigh surface area were carefully investigated by SEM, HRTEM and N2-sorption characterization technologies. The high-pressure hydrogen uptake performance was analyzed using standard Pressure-Composition-Temperature apparatus in order to study the pore size effects on hydrogen uptake. These as-obtained porous carbons showed different characteristics of pore size distribution as well as specific surface area. The results indicate that the most effective pores for adsorbing hydrogen depended on the storage pressure. These ultramicropores(0.65-0.85 nm) could be the most effective pores on excess H2 uptake at 1 bar, however, micropores(0.85-2 nm) would play a more important role in excess H2 uptake at higher pressure at 77 K. At room temperature, pore size effects on H2 uptake capacity were very weak. Both specific surface area and total pore volume play more important roles than pore size for H2 uptake at room temperature, which was clearly different from that at 77 K.For applications in future, the corncob-derived activated carbons can be more available than zeolite templated carbons at 77 K. Element doping enhanced hydrogen uptake could be main research direction for improving H2 uptake capacity at room temperature. | Zhen Geng Cunman Zhang Dabin Wang Xiangyang Zhou Mei Cai | 2015 | Journal of Energy Chemistry2015，24，1： | 1 |
| 5 | Structural charaeterization of iridoid glucosides by ultra-performance liquid chromatography/electrospray ionization quadrupole time-of flight randem mass spectrometry显示文摘 | Li CunMan Zhang XiuLi Xue XingYa | 2008 | Rapid Commun Mass Spectrom2008，22，12： | 1 |
| 6 | Synthesis and characterization of composite molecular sieves with mesoporous and microporous structure from ZSM-5 zeolites by heat treatment 显示文摘 | Zhang Cunman Liu Qian Xu Zheng | 2003 | Microporous Mesoporous Material2003，62，： | 1 |
| 7 | Structural Characterization of Iridoid Glucosides by Ultra-performance Liquid Chromatography/electrospray Ionization Quadrupole Time of Flight Tandem Mass Spectrometry显示文摘 | LI Cunman ZHANG Xiuli XUE Xingya | 2008 | Rapid Commun Mass Spectrom2008，22，12： | 1 |
| 8 | Analysis of Iridoid Glucosides in Hedyotis Diffusa by High-performance Liquid Chromatography/electrospray Ionization Tandem Mass Spectrometry显示文摘 | LI Cunman XUE Xingya ZHOU Dayong | 2008 | Journal of Pharmaceutical and Biomedical Analysis2008，48，： | 1 |
| 9 | Analysis of iridoid glucosides in Hedyotis diffusa by high-perform- ance liquidchromatography/electrospray ionization tan- dem mass spectrometry显示文摘 | Cunman Li Xingya Xue Dayong Zhou | 2008 | J Pharmaceut Biomed Anal2008，48，： | 1 |
| 10 | Microstructure regulation of super activated carbon from biomass source corncob with enhanced hydrogen uptake显示文摘 | Cunman Zhang Zhen Geng Mei Cai Jing Zhang Xupeng Liu Haifeng Xin Jianxin Ma | 2013 | International Journal of Hydrogen Energy2013，，22： | 1 |
| 11 | Accelerated Test of Silicone Rubbers Exposing to PEMFC environment显示文摘The durability of sealing material is one of the major challenges to the overall lifetime of proton exchange membrane fuel cell(PEMFC).In order to study the failure mode and aging mechanism of fuel cell seals,this paper focuses on the most widely used commercial silicone rubber,and an ex-situ accelerated aging method was employed by simulating the circumstance of PEMFC,including higher temperature and clamping force,lower p H value and F-with higher concentration.The main factors that affect the performance of the seal were obtained through the test of their morphologies and mechanical properties.The failure mode of the aging mechanism of the rubbers were analyzed through scanning electron microscopy(SEM),energy dispersive spectrometer(EDS),attenuated-total-reflection infrared spectroscopy(ATR-IR),mass loss,compression set(CS),etc.It was found that temperature played an important role in the deterioration of seal performance,and the change of the parameters of the compression set with time conformed the dynamic empirical formula,which provides the experimental basis for the lifetime prediction of the seals. | Daijun Yang Jingwen Ma Qing Zhang Bing Li Pingwen Ming Cunman Zhang | 2020 | Progress in Natural Science:Materials International2020，30，6： | 0 |
| 12 | Highly Effective Delamination of Kaolinite and Emergence of a Novel Nanoclub-like Crystal显示文摘The delamination of kaolinite was performed via the combination of intercalation and sonication.The morphology including shape,size,and crystal structure before and after the treatment were investigated by using XRD,SEM,TEM and SED(selective electron diffraction).The results not only show that the particle size is significantly reduced after short time sonication treatment,such as BET area up to 52.29 m2/g after only 1 h sonication treatment,but also indicate that the treated particles keep good crystal structure.A new aluminum silicate nanoclub-like crystal formed after sonication treatment. | YAN Linlin ZHANG Cunman XU Zheng | 2008 | Journal of Wuhan University of Technology(Materials Science)2008，23，4： | 0 |
| 13 | Development of advanced anion exchange membrane from the view of the performance of water electrolysis cell显示文摘Green hydrogen produced by water electrolysis combined with renewable energy is a promising alternative to fossil fuels due to its high energy density with zero-carbon emissions.Among water electrolysis technologies,the anion exchange membrane(AEM) water electrolysis has gained intensive attention and is considered as the next-generation emerging technology due to its potential advantages,such as the use of low-cost non-noble metal catalysts,the relatively mature stack assembly process,etc.However,the AEM water electrolyzer is still in the early development stage of the kW-level stack,which is mainly attributed to severe performance decay caused by the core component,i.e.,AEM.Here,the review comprehensively presents the recent progress of advanced AEM from the view of the performance of water electrolysis cells.Herein,fundamental principles and critical components of AEM water electrolyzers are introduced,and work conditions of AEM water electrolyzers and AEM performance improvement strategies are discussed.The challenges and perspectives are also analyzed. | Chao Liu Zhen Geng Xukang Wang Wendong Liu Yuwei Wang Qihan Xia Wenbo Li Liming Jin Cunman Zhang | 2024 | Journal of Energy Chemistry2024，90，3： | 0 |
| 14 | Pt‑Based Intermetallic Compound Catalysts for the Oxygen Reduction Reaction:Structural Control at the Atomic Scale to Achieve a Win–Win Situation Between Catalytic Activity and Stability显示文摘The development of ordered Pt-based intermetallic compounds is an effective way to optimize the electronic characteristics of Pt and its disordered alloys,inhibit the loss of transition metal elements,and prepare fuel cell catalysts with high activity and long-term durability for the oxygen reduction reaction(ORR).This paper reviews the structure–activity characteristics,research advances,problems,and improvements in Pt-based intermetallic compound fuel cell catalysts for the ORR.First,the structural characteristics and performance advantages of Pt-based intermetallic compounds are analyzed and explained.Second,starting with 3d transition metals such as Fe,Co,and Ni,whose research achievements are common,the preparation process and properties of Pt-based intermetallic compound catalysts for the ORR are introduced in detail according to element types.Third,in view of preparation problems,improvements in the preparation processes of Pt-based intermetallic compounds are also summarized in regard to four aspects:coating to control the crystal size,doping to promote ordering transformation,constructing a“Pt skin”to improve performance,and anchoring and confinement to enhance the interaction between the crystal and support.Finally,by analyzing the research status of Pt-based intermetallic compound catalysts for the ORR,prospective research directions are suggested. | Jue Wang Fengwen Pan Wenmiao Chen Bing Li Daijun Yang Pingwen Ming Xuezhe Wei Cunman Zhang | 2023 | Electrochemical Energy Reviews2023，6，1： | 0 |
| 15 | Co-regulation of mitochondrial and chloroplast function: Molecular components and mechanisms显示文摘The metabolic interdependence,interactions,and coordination of functions between chloroplasts and mitochondria are established and intensively studied.However,less is known about the regulatory components that control these interactions and their responses to external stimuli.Here,we outline how chloroplastic and mitochondrial activities are coordinated via common components involved in signal transduction pathways,gene regulatory events,and post-transcriptional processes.The endoplasmic reticulum emerges as a point of convergence for both transcriptional and post-transcriptional pathways that coordinate chloroplast and mitochondrial functions.Although the identification of molecular components and mechanisms of chloroplast and mitochondrial signaling increasingly suggests common players,this raises the question of how these allow for distinct organelle-specific downstream pathways.Outstanding questions with respect to the regulation of post-transcriptional pathways and the cell and/or tissue specificity of organelle signaling are crucial for understanding how these pathways are integrated at a wholeplant level to optimize plant growth and its response to changing environmental conditions. | Cunman He Oliver Berkowitz Shanshan Hu Yang Zhao Kun Qian Huixia Shou James Whelan Yan Wang | 2023 | Plant Communications2023，4，1： | 0 |
| 16 | Coordinated regulation of the mitochondrial retrograde response by circadian clock regulators and ANAC017显示文摘Mitochondrial retrograde signaling(MRS)supports photosynthetic function under a variety of conditions.Induction of mitochondrial dysfunction with myxothiazol(a specific inhibitor of the mitochondrial bc1 complex)or antimycin A(an inhibitor of the mitochondrial bc1 complex and cyclic electron transport in the chloroplast under light conditions)in the light and dark revealed diurnal control of MRS.This was evidenced by(1)significantly enhanced binding of ANAC017 to promoters in the light compared with the dark in Arabidopsis plants treated with myxothiazol(but not antimycin A),(2)overlap in the experimentally determined binding sites for ANAC017 and circadian clock regulators in the promoters of ANAC013 and AOX1a,(3)a diurnal expression pattern for ANAC017 and transcription factors it regulates,(4)altered expression of ANAC017-regulated genes in circadian clock mutants with and without myxothiazol treatment,and(5)a decrease in the magnitude of LHY and CCA1 expression in an ANAC017-overexpressing line and protein–protein interaction between ANAC017 and PIF4.This study also shows a large difference in transcriptome responses to antimycin A and myxothiazol in the dark:these responses are ANAC017 independent,observed in shoots and roots,similar to biotic challenge and salicylic acid responses,and involve ERF and ZAT transcription factors.This suggests that antimycin A treatment stimulates a second MRS pathway that is mediated or converges with salicylic acid signaling and provides a merging point with chloroplast retrograde signaling. | Yanqiao Zhu Reena Narsai Cunman He Yan Wang Oliver Berkowitz James Whelan Lim Chee Liew | 2023 | Plant Communications2023，4，1： | 0 |
| 17 | SnO_2/corncob-derived activated carbon nanohybrid as an anode material for lithium-ion batteries显示文摘A facile synthesis of Sn O2/corncob-derived activated carbon(CAC) composite was proposed,and the CAC used here has high specific surface area(over 3000 m2/g) and ample oxygen-containing functional groups.The microstructures and morphology as well as electrochemical performance of the Sn O2/CAC composites were investigated by X-ray diffraction,scanning electron microscopy,transmission electron microscopy and relevant electrochemical characterization. The results show that the mass ratios of Sn O2 to CAC have a significant effect on the structures and properties of the composites. The sample with 34% Sn O2 delivered a capacity of 879.8 m Ah/g in the first reversible cycle and maintained at 634.0 m Ah/g(72.1% retention of the initial reversible capacity) after 100 cycles at a current density of 200 m A/g. After 60 cycles at different specific currents from 200 to 2000 m A/g,the reversible specific capacity was still maintained at 632.8 m Ah/g at a current density of 200 m A/g. These results indicate that SnO 2/CAC can be a desirable alternative anode material for lithium ion batteries. | Xiangyang Zhou Zhen Geng Cunman Zhang Jue Wang Dabin Wang | 2015 | Journal of Energy Chemistry2015，24，4： | 0 |
| 18 | Preface for Special Section on Fuel Cell Technology显示文摘Faced with the resource shortage and environmental problems,the development and utilization of new energy are deemed critical in many countries around the world in order to adapt to the change of energy supply and demand pattern as well as ensure national energy security.As a system that converts chemical energy of fuel oxidation directly into electric energy,fuel cell has shown strong competitiveness in the field of transportation,and is regarded as a new generation of vehicle power source and is favoured by the world,because of its advantages such as high efficiency,environment-friendly,long driving range,high reliability,no vibration and noise,efficiency changing with the output power,strong overload capacity and so on. | Cunman Zhang | 2021 | Automotive Innovation2021，4，2： | 0 |
| 19 | Recent advances and future prospects on Ni_(3)S_(2)-Based electrocatalysts for efficient alkaline water electrolysis显示文摘Green hydrogen(H_(2))produced by renewable energy powered alkaline water electrolysis is a promising alternative to fossil fuels due to its high energy density with zero-carbon emissions.However,efficient and economic H_(2) production by alkaline water electrolysis is hindered by the sluggish hydrogen evolution reaction(HER)and oxygen evolution reaction(OER).Therefore,it is imperative to design and fabricate high-active and low-cost non-precious metal catalysts to improve the HER and OER performance,which affects the energy efficiency of alkaline water electrolysis.Ni_(3)S_(2) with the heazlewoodite structure is a potential electrocatalyst with near-metal conductivity due to the Ni–Ni metal network.Here,the review comprehensively presents the recent progress of Ni_(3)S_(2)-based electrocatalysts for alkaline water electrocatalysis.Herein,the HER and OER mechanisms,performance evaluation criteria,preparation methods,and strategies for performance improvement of Ni_(3)S_(2)-based electrocatalysts are discussed.The challenges and perspectives are also analyzed. | Shiwen Wang Zhen Geng Songhu Bi Yuwei Wang Zijian Gao Liming Jin Cunman Zhang | 2024 | Green Energy & Environment2024，9，4： | 0 |
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