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chinese Journal of chemical engineering 2024年第7期71卷 13-23页

作者： Tao Wei Mengting Wang yanyan Zhou Xingtong Guo Sijia Wang Ye Liu c.eng Sun Qian Wang School of energy and Power Jiangsu University of Science and TechnologyZhenjiang 212003China college of Materials Sc.ence and engineering Taiyuan University of TechnologyTaiyuan 030024China

At present,commercial Li-ion batteries are hardly to satisfy the growing demand for high energy density,for this purpose,lithium metal batteries have attracted worldwide attention in recent ***,its practical applications are hindered by the formation of Li dendrites and volume effect during Li plating/stripping process,which leads to a lot of safety ***,we first employed MOF-derived V_(2)O_(5) nanoparticles to decorate the carbon fiber cloth(cFc)backbone to acquire a lithiophilic 3D porous conductive framework(cFc@V_(2)O_(5)).Subsequently,the cFc@V_(2)O_(5) skeleton was permeated with molten Li to prepare cFc@V_(2)O_(5)@Li composite *** cFc@V_(2)O_(5)@Li composite anode can be stably cycled for more than 1650 h at high current density(5 mA·cm^(-2))and areal capacity(5 mA·h·cm^(–2)).The prepared full cell can initially maintain a high capacity of about 143 mA·h·g^(-1) even at a high current density of 5 c,and can still maintain 114 mA·h·g^(-1) after 1000 cycles.

关键词： Three-dimensional(3D)conductive frameworks Lithium metal anode Lithiophilic material MOF-derived materials Prestoring lithium

BOUNDARY VALUE PROBLEMS OF cONJUGATE AND GenERALIZED K-HOLOMORPHIc FUNcTIONS IN c^(2)

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Acta Mathematica Sc.entia 2024年第5期44卷 1837-1852页

作者： yanyan cUI chaojun WANG Yonghong XIE Yuying QIAO college of Mathematics and Statistics Zhoukou Normal UniversityZhoukou466001China college of Mathematics and Information Sc.ence Hebei Normal UniversityShijiazhuang050024China

In this paper,conjugate k-holomorphic functions and generalized k-holomorphic functions are defined in the two-dimensional complex space,and the corresponding Riemann boundary value problems and the inverse problems are discussed on generalized *** the characteristics of the corresponding functions and boundary properties of the cauchy type singular integral operators with conjugate k-holomorphic kernels,the general solutions and special solutions of the corresponding boundary value problems are studied in a detailed fashion,and the integral expressions of the solutions are obtained.

关键词： several complex variables k-holomorphic functions partial difference equations polyanalytic functions

Real effects of greenhouse gas disclosures

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china Journal of Accounting Research 2024年第2期17卷 31-53页

作者： Tong Lu Lijun Ruan yanyan Wang Lisheng Yu c.T.Bauer college of Business University of HoustonHoustonTX 77204USA School of Business New Jersey City UniversityJersey CityNJ 07305USA School of Management Xiamen UniversityXiamenFujian 361005China Business School Sun Yat-sen UniversityShenzhenGuangdong 518107China

This study investigates the valuation and real effects of the mandatory disclosure of greenhouse gas(GHG)emission costs from the perspective of“double materiality.”We consider a firm with a cobb-Douglas production function that combines GHG-related and non-GHG-related investments to produce short-term and long-term *** particular,the GHG-related investment entails short-term and long-term social costs of GHG emissions,including corporate costs and negative *** demonstrate how the mandatory disclosure of the long-term costs of GHG emissions affects capital market valuations and corporate investment decisions relative to a non-disclosure *** social welfare in an accounting regime hinges on three parameters:the persistence of the short-term investment return,the ratio of the productivity of GHG-related investment to that of non-GHG-related investment,and the social cost parameter for GHG *** findings suggest that disclosing the long-term costs of GHG emissions may be detrimental to social ***,the non-disclosure regime results in higher social welfare than the disclosure regime for high values of these parameters.

关键词： Greenhouse gas emissions Externality Double materiality Disclosure Real effects

Silica-modified Pt/TiO_(2) catalysts with tunable suppression of strong metal-support interaction for cinnamaldehyde hydrogenation

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chinese Journal of chemical engineering 2024年第6期70卷 189-198页

作者： Zhengjian Hou Yuanyuan Zhu Hua chi Li Zhao Huijie Wei yanyan Xi Lishuang Ma Xiang Feng Xufeng Lin college of chemistry and chemical engineering China University of Petroleum(East China)Qingdao 266580China Advanced chemical engineering and energy Materials Research center China University of Petroleum(East China)Qingdao 266580China State Key Laboratory of Heavy Oil Processing China University of Petroleum(East China)Qingdao 266580China

Tuning Strong Metal-support Interactions(SMSI)is a key strategy to obtain highly active catalysts,but conventional methods usually enable TiO_(x) encapsulation of noble metal components to minimize the exposure of noble *** study demonstrates a catalyst preparation method to modulate a weak encapsulation of Pt metal nanoparticles(NPs)with the supported TiO_(2),achieving the moderate suppression of SMSI *** introduction of silica inhibits this encapsulation,as reflected in the characterization results such as XPS and HRTEM,while the Ti^(4+) to Ti^(3+) conversion due to SMSI can still be found on the support ***,the hydrogenation of cinnamaldehyde(cAL)as a probe reaction revealed that once this encapsulation behavior was suppressed,the adsorption capacity of the catalyst for small molecules like H_(2) and cO was enhanced,which thereby improved the catalytic activity and facilitated the hydrogenation of ***,the introduction of SiO_(2) also changed the surface structure of the catalyst,which inhibited the occurrence of the acetal reaction and improved the conversion effic.ency of c=O and c=c *** manipulation of SMSI formation and its consequence on the performance in catalytic hydrogenation reactions are discussed.

关键词： Pt catalyst Silica modification Hydrogenation cinnamaldehyde Strong metal-support interaction

Mn-based MXene with high lithium-ion storage capacity

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Nano Research 2024年第5期17卷 4181-4191页

作者： yanyan Wu Dongqing Liu Xiaonan Wang Usman Ghani Muhammad Asim Mushtaq Jinfeng Yang Huarui Sun Panagiotis Tsiakaras Xingke cai School of Sc.ence and Ministry of Industry and Information Technology Key Laboratory of Micro-Nano Optoelectronic Information System Harbin Institute of Technology ShenzhenShenzhen 5180552 China collaborative Innovation center of Extreme Optics Shanxi UniversityTaiyuan 030006China Institute for Advanced Study Shenzhen UniversityShenzhen 518060China college of Mechatronics and control engineering Shenzhen UniversityShenzhen 518060China Laboratory of Alternative energy conversion Systems Department of Mechanical EngineeringSchool of EngineeringUniversity of ThessalyPedion Areos 38834Greece

3d-transition metal(Fe,co,Ni,and Mn)-based MXene materials have been predicted to demonstrate exceptional electrochemical performance because of their good electrical conductivity and the presence of metallic atoms with multiple charge ***,until now,there have been no reports on MXenes based on Fe,co,Ni,and Mn,due to the lack of 3d-metal-layered ***,we successfully synthesized the first 3d-transition metal-based MXenes,Mn_(2)cT_(x) by exfoliating a layered precursor derived from the anti-perovskite bulk *** as-prepared Mn_(2)cT_(x) MXene nanosheets were employed as anode materials in lithium-ion batteries,which exhibited stable storage capacity of 764.7 mAh·g^(-1) at 0.5 c,placing its storage capacities at an upper-middle level compared with other reported MXene materials as well as other Mn-based anode ***,this study opens a new avenue for MXene research by synthesizing 3d-transition metal-based MXenes for electrochemical applications.

关键词： Mn_(3)Gac Mn_(2)cT_(x) MXenes lithium-ion battery anode materials negative fading capacity

circularly polarized luminescence switch based on a photochromic europium(Ⅲ) helicate derived coordination polymer

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chinese chemical Letters 2024年第2期35卷 272-277页

作者： Mei Li yanyan Zhou Jingya Li Wenru Huang Zhiwei Yao Yuying Li Ting Gao Pengfei Yan Hongfeng Li Key Laboratory of Functional Inorganic Material chemistry Ministry of EducationSchool of Chemistry and Materials ScienceHeilongjiang UniversityHarbin 150080China State Key Laboratory of Baiyunobo Rare Earth Resource Researches and comprehensive Utilization Institution Baotou 014030China

chiroptical switches based on circularly polarized luminescence(cPL)have shown the promising applications in advanced information ***,a pair of lanthanide coordination polymer enantiomers[Eu_(2)(L^(R))_(3)(BTFPO)_(2)]_(n) and[Eu_(2)(L^(S))_(3)(BTFPO)_(2)]_(n) with light-regulated cPL property are designed,which are assembled by a chiral binuclear triple-stranded Eu^(3+) helicates[Eu_(2)(L^(R/S))_(3)]coordinated with two photochromic triphenylphosphine oxides(BTFPO).Upon the alternative UV and 526 nm light irradiation,the complexes show the reversible photochromism,PL and cPL ***,the luminescence dissymmetry factor,g lum of ^(5)D_(0)→^(7)F_(1)(591 nm)transition shows an obvious increase from 0.19 to 0.29 before and after 275 nm light ***,the emission from Eu^(3+) center is not completely quenched in closed-ring state due to the low photocyclization(Ф_(o-c))quantum yield of the *** partial maintenance of emissive intensity is of essential importance for the monitor of cPL *** importantly,the cPL photo-switching property of the complexes in solid hybrid film is maintained,and still displays the enhanced cPL emission in photostationary ***,the potential applications of the doping film in logic gate and anti-counterfeiting were investigated.

关键词： chiroptical switches coordination polymer cPL Anti-counterfeiting Logic gate

Understanding the combustion behavior of electric bicycle batteries and unveiling its relationship with fire extinguishing

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Journal of energy chemistry 2024年第4期91卷 609-618页

作者： Zhanglong Yu Xueling Shen Ran Xu Zheng Wang Zengming Wan Mingyang c.en Yi cui yanyan Fang Xiaoli Ma china Automotive Battery Research Institute co. Ltd.Beijing 101407China china Grinm Group co. Ltd.Beijing 100088China Ministry of Industry and Information Technology Equipment Industry Development CenterBeijing 100846China Hefei Guoxuan High-tech Power energy co. Ltd.Hefei 230000AnhuiChina

In this study,a detailed analysis of the combustion behaviors of the lithium iron phosphate(LFP)and lithium manganese oxide(LMO)batteries used in electric bicycles was *** research included quantitative measurements of the combustion duration,flame height,combustion temperature,heat release rate,and total heat *** results indicated that LMO batteries exhibited higher combustion temperatures of 600–700°c,flame heights of 70–75 cm,a significantly higher heat release rate of40.1 k W(12 Ah),and a total heat release of 1.04 MJ(12 Ah)compared to LFP batteries with the same *** on these experimental results,a normalized total heat release(NORTHR)parameter was proposed,demonstrating good universality for batteries with different *** this parameter,quantitative calculations and optimization of the extinguishing agent dosage were conducted for fires involving these two types of batteries,and the method was validated by extinguishing fires for these two types of battery packs with water-based extinguishing fluids.

关键词： combustion behavior Electric bicycle Lithium-ion battery Fire extinguishing Normalized total heat release

Non-transcriptional regulatory activity of SMAX1 and SMXL2 mediates karrikin-regulated seedling response to red light in Arabidopsis

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Molecular Plant 2024年第7期17卷 1054-1072页

作者： Wenwen chang Qiao Qiao Qingtian Li Xin Li yanyan Li Xiahe Huang Yingchun Wang Jiayang Li Bing Wang Lei Wang Key Laboratory of Seed Innovation Center for Agricultural Resources ResearchInstitute of Genetics and Developmental BiologyChinese Academy of SciencesShijiazhuangHebei050021China Key Laboratory of Seed Innovation Institute of Genetics and Developmental BiologyThe Innovative Academy for Seed DesignChinese Academy of SciencesBeijing100101China University of chinese Academy of Sc.ences Beijing 100049China Yazhouwan National Laboratory SanyaHainan 572024China

Karrikins and strigolactones govern plant development and environmental responses through closely related signaling *** transcriptional repressor proteins SUPPRESSOR OF MAX21(SMAX1),SMAX1-like2(SMXL2),and D53-like SMXLs mediate karrikin and strigolactone signaling by directly binding downstream genes or byinhibiting the activities of transcription *** this study,we characterized the non-transcriptional regulatory activities of SMXL proteins in *** discovered that SMAX1 and SMXL2 with mutations in their ethylene-responsefactor-associated amphiphilic repression(EAR)motif had undetectable or weak transcriptional repression activities but still partially rescued the hypocotyl elongation defects and fully reversed the cotyledon epinasty defects of the smax1 smxl2 ***1 and SMXL2 directly interact with PHYTOcHROME INTERAcTION FAcTOR4(PIF4)and PIF5 to enhance their protein stability by interacting with phytochrome B(phyB)and suppressing the association of phyB with PIF4 and *** karrikin-responsive genes were then identified by treatment with GR24ent-ssa,GR24 analog showing karrikin ***,INDOLE-3-AcETIc AcID INDUcIBLE 29(IAA29)expression was repressed by GR24^(ent-5D)streatment in a PIF4-and PIF5-dependent and EARindependent manner,whereas KARRIKIN UPREGULATED F-BOX 1(KUF1)expression was induced in a PIF4-and PIF5-independent and EAR-dependent ***,the non-transcriptional regulatory activity of SMAX1,which is independent of the EAR motif,had a global effect on gene *** together,these results indicate that non-transcriptional regulatory activities of SMAX1 and SMXL2 mediate karrikin-regulated seedling response to red light.

关键词： karrikin signaling SMAX1 and SMXL2 non-transcriptional repression activity PIF4 and PIF5 gene expression red light

Nullification of GFTs fortifies bioactive folates in foxtail millet

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Journal of Integrative Plant Biology 2024年第8期66卷 1540-1543页

作者： Jianzhou Pang Wei Zhang yanyan Zhang Shihui Zhang Yannan Wang Hui Zhi chunyi Zhang Qiuju Liang Xianmin Diao college of Life Sc.ence Hebei Normal UniversityShijiazhuang 050024China Dry Land Farming Institute of Hebei Academy of Agricultural and Forestry Sc.ences Key Laboratory of Crop Drought Tolerance Research of Hebei ProvinceHengshui 053000China Institute of crop Sc.ences Chinese Academy of Agricultural SciencesState Key Laboratory of Crop Gene Resources and BreedingBeijing 100081China Biotechnology Research Institute Chinese Academy of Agricultural SciencesBeijing 100081China

Folates—tetrahydrofolate(THF)and its derivatives(also known collectively as vitamin B9)—are essential micronutrients for almost all living *** as carriers of one-carbon(c1)units,folates participate in the biosynthesis of numerous biomolecules and play central roles in cellular methylation reactions(Strobbe and Van Der Straeten,2017).

关键词： collective organisms vitamin

Synergistic Effect of Nitrogen/Phosphorus co-Doping and Molybdenum carbide Induced Electron Redistribution of carbon Layer to Boost Hydrogen Evolution Reaction

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chinese Journal of chemistry 2024年第1期42卷 55-60页

作者： Jiamin Xiao Peng Li yanyan Sun Heng Liu Javid Khan Handong Zhang Han Zhou Yaqiong Su Shuangyin Wang Lei Han college of Materials Sc.ence and engineering Hunan Joint International Laboratory of Advanced Materials and Technology for Clean EnergyHunan UniversityChangshaHunan 410082China School of chemistry engineering Research center of energy Storage Materials and Devices Ministry of EducationXi'an Key Laboratory of Sustainable Energy Materials ChemistryState Key Laboratory of Electrical Insulation and Power EquipmentXi'an Jiaotong UniversityXi'anShaanxi 710049China School of Materials Sc.ence and engineering Central South UniversityChangshaHunan 410083China state Key Laboratory of chem/Bio-Sensingand chemometrics College of Chemistry and Chemical EngineeringHunan University ChangshaHunan 410082China Laboratory of Inorganic Materials and catalysis Department of Chemical Engineering and ChemistryEindhoven University of Technology P.O.Box5135600 MB EindhovenThe Netherlands

The development of highly effic.ent non-precious-metal-based electrocatalysts for the hydrogen evolution reaction is imperative for promoting the large-scale application of electrochemical water ***,nitrogen/phosphorus co-doped carbon nanorods encapsulated Mo_(2)c nanoparticles(Mo_(2)c@PNc)have been prepared by pre-phosphating treatment in combination of the coordination with polydopamine and the subsequent *** phosphating temperature has a significant effect on the content of phosphorus within the resultant Mo_(2)c@PNc,and the optimal catalyst delivers superior HER activity with the low overpotential of 104 mV at a current density of 10 mAcm^(-2) and good stability for 8 h,which has been theoretically demonstrated to originate from the synergistic effect between P doping and Mo_(2)c induced electron redistribution of nitrogen-doped carbon layer.

关键词： Molybdenum carbide N/P co-doped carbon Hydrogen evolution Synergistic effect Electron redistribution comprehensive