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catalytic anode surface enabling in situ polymerization of gel polymer electrolyte for stable Li metal batteries

Nano Research 2024年第6期17卷 5216-5223页

作者： Guocheng Li Kang Liang Yuanjian Li xiangrui Duan Lin Fu Zhao cai Zhaofu Zhang Jiangnan dai Yongming Sun Wuhan National Laboratory for Optoelectronics Huazhong University of Science and TechnologyWuhan 430074China The Institute of Technological Sciences Wuhan UniversityWuhan 430074China Faculty of Materials Science and chemistry China University of Geoscience(Wuhan)Wuhan 430074China

Employing quasi-solid-state gel polymer electrolyte(GPE)instead of the liquid counterpart has been regarded as a promising strategy for improving the electrochemical performance of Li metal ***,the poor and uneven interfacial contact between Li metal anode and GPE could cause large interfacial resistance and electrochemical Li stripping/plating inhomogeneity,deteriorating the electrochemical ***,we proposed that the functional component of composite anode could work as the catalyst to promote the in situ polymerization reaction,and we experimentally realized the integration of polymerized-dioxolane electrolyte and Li/Li_(22)Sn_(5)/LiF composite electrode with low interfacial resistance and good stability by in situ catalyzation ***,the reaction kinetics and stability of metallic Li anode were significantly *** a demonstration,symmetric cell using such a GPE-Li/Li_(22)Sn_(5)/LiF integration achieved stable cycling beyond 250 cycles with small potential hysteresis of 25 mV at 1 mA·cm^(−2)and 1 mAh·cm^(−2),far outperforming the counterpart regular GPE on pure *** with LiNi0.5co0.3Mn0.2O2,the full cell with the GPE-Li/Li_(22)Sn_(5)/LiF integration maintained 85.7%of the original capacity after 100 cycles at 0.5 c(1 c=200 mA·g^(−1)).Our research provides a promising strategy for reducing the resistance between GPE and Li metal anode,and realizes Li metal batteries with enhance electrochemical performance.

关键词： catalyzation polymerization interface resistance interfacial stability Li metal batteries electrochemical performance

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construction of 2D/2D Ti_(3)c_(2)T_(x)Mxene/cdS heterojunction with photothermal effect for efficient photocatalytic hydrogen production

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Journal of Materials Science & Technology 2024年第4期171卷 1-9页

作者： T.Y.Huang Z.Yang S.Y.Yang Z.H.dai Y.J.Liu J.H.Liao G.Y.Zhong Z.J.xie Y.P.Fang S.S.Zhang Key Laboratory for Biobased Materials and Energy of Ministry of Education Guangdong Laboratory for Lingnan Modern AgricultureCollege of Materials and EnergySouth China Agricultural UniversityGuangzhou 510643China School of Physics and Optoelectronics South China University of TechnologyGuangzhou 510640China School of chemical Engineering and Energy Technology Guangdong Provincial Key Laboratory of Distributed Energy SystemsDongguan University of TechnologyDongguan 523808China

The insensitivity of semiconductors to visible and infrared light is a key constraint on the utilization of light energy in photocatalytic *** photocatalysts with full-spectrum absorption through surface engineering is an effective approach to fully harnessing light energy in semiconductor ***,a novel stable Ti_(3)c_(2)T_(x)Mxene/cdS heterojunction catalyst is obtained by in-situ epitaxial growth of two-dimensional(2D)cdS nanosheets on 2D Mxene interface via a solvothermal *** exceptional light absorption properties of Mxene confer outstanding full-spectrum driven photocat-alytic hydrogen evolution capability upon the heterogeneous *** unique 2D/2D structure effectively mitigated the recombination of photogenerated carriers,enhancing the photocatalytic performance of the ***,the composite catalyst exhibits a significantly higher surface temperature of 80.4℃under visible light irradiation at an intensity of 0.1 W/cm^(2),which is 1.84 times higher than that of *** irradiation of visible and near infrared light,the composite catalyst with photothermal ef-fect demonstrates a remarkable hydrogen evolution rate of 65.4 mmol g^(-1)h^(-1),which is 7.2 times higher than that of cdS *** study introduces a novel approach for constructing full-spectrum absorption catalysts and expands the application of the photothermal effect in photocatalytic hydrogen evolution research.

关键词： Two-dimensional structure Heterostructure Photothermal effect Photocatalyst Hydrogen evolution

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continuous-flow electrosynthesis of urea and oxalic acid by cO_(2)-nitrate reduction and glycerol oxidation

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chinese Journal of catalysis 2024年第8期63卷 270-281页

作者： Shuanglong Zhou Yue Shi Yu dai Tianrong Zhan Jianping Lai Lei Wang Key Laboratory of Eco-chemical Engineering Key Laboratory of Optic-electric Sensing and Analytical Chemistry of Life ScienceTaishan Scholar Advantage and Characteristic Discipline Team of Eco-Chemical Process and TechnologyCollege of Chemistry and Molecular EngineeringQingdao University of Science and TechnologyQingdao 266042ShandongChina

Urea and oxalic acid are critical component in various chemical manufacturing ***,achieving simultaneous generation of urea and oxalic acid in a continuous-flow electrolyzer is a ***,we report a continuous-flow electrolyzer equipped with 9-square centime-ter-effective area gas diffusion electrodes(GDE)which can simultaneously catalyze the glycerol oxidation reaction in the anode region and the reduction reaction of cO_(2)and nitrate in the cathode region,producing oxalic acid and urea at both the anode and cathode,*** current density at low cell voltage(0.9 V)remained above 18.7 mA cm^(-2)for 10 consecutive electrolysis cycles(120 h in total),and the Faraday efficiency of oxalic acid(67.1%)and urea(70.9%)did not *** and theoretical studies show that in terms of the formation of c-N bond at the cathode,Pd-sites can provide protons for the hydrogenation process of cO_(2)and NO3-,cu-sites can promote the generation of*cOOH and Bi-sites can stabilize**** addition,in terms of glycerol oxidation,the introduction of cu and Bi into Pd metallene promotes the oxidation of hydroxyl groups and the cleavage of c-c bond in glycerol molecules,respectively.

关键词： Urea Oxalic acid cO_(2) c-N bond Metallene

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Gene-knockout by iSTOP enables rapid reproductive disease modeling and phenotyping in germ cells of the founder generation

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Science china(Life Sciences) 2024年第5期67卷 1035-1050页

作者： Yaling Wang Jingwen chen xueying Huang Bangguo Wu Peng dai Feng Zhang Jinsong Li Lingbo Wang State Key Laboratory of Genetic Engineering Shanghai Key Laboratory of Metabolic Remodeling and HealthInstitute of Metabolism and Integrative BiologyFudan UniversityShanghai 200438China Institute of Reproduction and Development Obstetrics and Gynecology HospitalFudan UniversityShanghai 200011China NHc Key Lab of Reproduction Regulation(Shanghai Institute for Biomedical and Pharmaceutical Technologies) School of PharmacyFudan UniversityShanghai 200433China Shanghai Key Laboratoryof Maternal and Fetal Medicine Clinical and Translational Research Center of Shanghai First Maternity and Infant HospitalFrontier Science Center for Stem Cell ResearchSchoolof Life Sciences and TechnologyTongji UniversityShanghai 200092China State Key Laboratory of cell Biology CAS Center for Excellence in Molecular Cell ScienceShanghai Institute of Biochemistry and Cell BiologyChinese Academy of SciencesShanghai 200031China

cytosine base editing achieves c·G-to-T·A substitutions and can convert four codons(cAA/cAG/cGA/TGG)into STOP-codons(induction of STOP-codons,iSTOP)to knock out genes with reduced *** enables direct phenotyping in founders’somatic cells,but it remains unknown whether this works in founders’germ cells so as to rapidly reveal novel genes for ***,we initially establish that iSTOP in mouse zygotes enables functional characterization of known genes in founders’germ cells:cfap43-iSTOP male founders manifest expected sperm features resembling human“multiple morphological abnormalities of the flagella”syndrome(i.e.,MMAF-like features),while oocytes of Zp3-iSTOP female founders have no zona *** further illustrate iSTOP’s utility for dissecting the functions of unknown genes with ccdc183,observing MMAF-like features and male infertility in ccdc183-iSTOP founders,phenotypes concordant with those of ccdc183-KO *** ultimately establish that ccDc183 is essential for sperm morphogenesis through regulating the assembly of outer dynein arms and participating in the intra-flagellar *** study demonstrates iSTOP as an efficient tool for direct reproductive disease modeling and phenotyping in germ cells of the founder generation,and rapidly reveals the essentiality of ccdc183 in fertility,thus providing a time-saving approach for validating genetic defects(like nonsense mutations)for human infertility.

关键词： disease modeling infertility multiple morphological abnormalities of the flagella(MMAF) induction of STOP-codons(iSTOP cRISPR-STOP) sperm motility

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SERPINE2 promotes liver cancer metastasis by inhibiting c-cbl-mediated EGFR ubiquitination and degradation

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cancer communications 2024年第3期44卷 384-407页

作者： Shiyu Zhang xing Jia Haojiang dai xingxin Zhu Wenfeng Song Suchen Bian Hao Wu Shinuo chen Yangbo Tang Junran chen cheng Jin Mengqiao Zhou Haiyang xie Shusen Zheng Penghong Song Division of Hepatobiliary and Pancreatic Surgery Department of SurgeryThe First Affiliated HospitalZhejiang University School of MedicineHangzhouZhejiangP.R.China National Health commission Key Laboratory of combined Multi-organ Transplantation HangzhouZhejiangP.R.China Key Laboratory of the Diagnosis and Treatment of Organ Transplantation Research Unit of Collaborative Diagnosis and Treatment for Hepatobiliary and Pancreatic CancerChinese Academy of Medical SciencesHangzhouZhejiangP.R.China Key Laboratory of Organ Transplantation Research Center for Diagnosis and Treatment of Hepatobiliary DiseasesHangzhouZhejiangP.R.China State Key Laboratory for Diagnosis and Treatment of Infectious Diseases First Affiliated HospitalZhejiang University School of MedicineHangzhouZhejiangP.R.China

Background:Liver cancer is a malignancy with high morbidity and mortality *** family E member 2(SERPINE2)has been reported to play a key role in the metastasis of many *** this study,we aimed to investigate the potential mechanism of SERPINE2 in liver cancer ***:The cancer Genome Atlas database(TcGA),including DNA methy-lation and transcriptome sequencing data,was utilized to identify the crucial oncogene associated with DNA methylation and cancer progression in liver *** from the TcGA and RNA sequencing for 94 pairs of liver cancer tissues were used to explore the correlation between SERPINE2 expression and clin-ical parameters of *** methylation sequencing was used to detect the DNA methylation levels in liver cancer tissues and *** sequencing,cytokine assays,immunoprecipitation(IP)and mass spectrometry(MS)assays,protein stability assays,and ubiquitination assays were performed to explore the regulatory mechanism of SERPINE2 in liver cancer ***-derived xenografts and tumor organoid models were established to determine the role of SERPINE2 in the treatment of liver cancer using ***:Based on the public database screening,SERPINE2 was identified as a tumor promoter regulated by DNA ***2 expression was significantly higher in liver cancer tissues and was associated with the dismal prognosis in patients with liver ***2 promoted liver cancer metas-tasis by enhancing cell pseudopodia formation,cell adhesion,cancer-associated fibroblast activation,extracellular matrix remodeling,and ***/MS assays confirmed that SERPINE2 activated epidermal growth factor receptor(EGFR)and its downstream signaling pathways by interacting with ***,SERPINE2 inhibited EGFR ubiquitination and maintained its protein stability by competing with the E3 ubiquitin ligase,***,EGFR was activated in liver cancer cells after sorafenib treatment,and SER

关键词： liver cancer metastasis DNA methylation SERPINE2 EGFR c-cbl ubiquitination

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Quantitative characterizations of anisotropic dynamic properties in organic-rich shale with different kerogen content

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Petroleum Science 2024年第2期21卷 855-865页

作者： Jian-Yong xie Yan-Ping Fang xing-Hua Wu Jian'er Zhao Jun-cheng dai Jun-xing cao Ji-xin Deng State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation Chengdu University of TechnologyChengdu610059SichuanChina Key Lab of Earth Exploration&Information Techniques of Ministry of Education Geophysical InstituteChengdu University of TechnologyChengdu610059SichuanChina Petrochina Southwest Oil&Gasfield company Chengdu610017SichuanChina

Understanding the quantitative responses of anisotropic dynamic properties in organic-rich shale with different kerogen content(Kc)is of great significance in hydrocarbon exploration and *** controlled experiments with a single variable is challenging for natural shales due to their high variations in components,diagenesis conditions,or pore *** employed the hot-pressing technique to construct 11 well-controlled artificial shale with varying *** artificial shale samples were successive machined into prismatic shape for ultrasonic measurements along different *** revealed bedding perpendicular P-wave velocities are more sensitive to the increasing Kc than bedding paralleling velocities due to the preferential alignments of *** elastic stiffnesses except c_(13)are generally decreasing with the increasing Kc,the variation of c_(1) and c_(33)on kerogen content are more sensitive than those of c_(44)and c_(66).Apparent dynamic mechanical parameters(v and E)were found to have linear correlation with the true ones from complete anisotropic equations independent of Kc,which hold value towards the interpretation of well logs consistently across formations,Anisotropic mechanical parameters(ΔE and brittlenessΔB)tend to decrease with the reducing Kc,withΔB showing great sensitivity to Kc *** the range of low Kc(correlation with Kc,and the V_(P)/V_(S) ratio magnitude of less than 1.75may serve as a significant characterization for highly organic-rich(>10%)shale,compilation of data from natural organic rich-shales globally verified the similar systematic relationships that can be empirically used to predict the fraction of Kc in shales.

关键词： Elastic properties Organic shale Anisotropy Kerogen content Physical modeling

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Molten metal-organic complex to synthesize versatile ultrathin nonlayered oxides

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Nano Research 2024年第4期17卷 3147-3155页

作者： Kaisi Liu Jiabin Wu Qun Li Hongrun Jin Yongxin Luo Bei Qi Simin dai Jianquan Zhao Liang Huang Jun Zhou Hubei Key Laboratory of Biomass Fibers and Eco-Dyeing&Finishing Wuhan Textile UniversityWuhan 430200China Wuhan National Laboratory for Optoelectronics School of Optical and Electronic InformationHuazhong University of Science and TechnologyWuhan 430074China Analytical and Testing center Huazhong University of Science and TechnologyWuhan 430074China

Two-dimensional(2D)materials have attracted a great deal of research interest because of their unique electrical,magnetic,optical,mechanical,and catalytic properties for various *** date,however,it is still difficult to fabricate most functional oxides as 2D materials unless they have a layered ***,we report a one-step universal strategy for preparing versatile non-layered oxide nanosheets by directly annealing the mixture of metal nitrate and dimethyl imidazole(2-MI).The 2-MI plays the key role for 2D oxides since 2-MI owns a very low molten point and sublimation temperature,in which its molten liquid can coordinate with metal ions,forming a metal-organic framework,and easily puffing by its gas molecules.A total of 17 materials were prepared by this strategy,including non-layered metal oxide nanosheets as well as metal/metal oxide loaded nitrogen-doped carbon *** as-prepared cobalt particle-loaded nitrogen-doped carbon nanosheets(co@N/c)exhibit remarkable bifunctional oxygen reduction reaction(ORR)and oxygen evolution reaction(OER)electrocatalytic activity and ***,the Zn-air battery utilizing a co@N/c catalyst exhibits high power density of 174.3 mW·cm^(-2).This facile strategy opens up a new way for large-scale synthesis of 2D oxides that holds great potential to push 2D oxides for practical applications.

关键词： non-layered oxide nanosheet metal/metal oxide@N/c oxygen evolution reaction(OER) oxygen reduction reaction(ORR) Zn-air battery

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Polysulfide modified Ptcu intermetallic nanocatalyst with enrichment realizes efficient electrooxidation ethanol to cO_(2)

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Nano Research 2024年第4期17卷 2320-2327页

作者： Shuanglong Zhou Zheng Lv Liang Zhao Dan Zhang Zuocao Wang Yu dai Bin Li Olga Starostenko Jianping Lai Lei Wang Key Laboratory of Eco-chemical Engineering Ministry of EducationTaishan scholar advantage and characteristic discipline team of Eco-chemical process and technologyLaboratory of Inorganic Synthesis and Applied ChemistryCollege of Chemistry and Molecular EngineeringQingdao University of Science and TechnologyQingdao 266042China college of Foreign Languages Qingdao City UniversityQingdao 266106China college of Materials Science and Engineering Qingdao University of Science and TechnologyQingdao 266042China Institute of Macromolecular chemistry of the National Academy of Sciences of Ukraine Kyiv 02160Ukraine Shandong Engineering Research center for Marine Environment corrosion and Safety Protection College of Environment and Safety EngineeringQingdao University of Science and TechnologyQingdao 266042China

The main problem faced by ethanol oxidation reaction(EOR)includes low activity,poor selectivity,and *** the study,we found that polysulfide modified on the surface of Ptcu intermetallic(IM)/c can simultaneously enrich hydroxyl and ethanol,which could effectively improve the catalytic activity,cO_(2) selectivity,and durability of *** mass activity and the specific activity of the product in 1 M KOH electrolyte reached 17.83 A·mgPt^(-1) and 24.67 mA·cm^(-2).The cO_(2) selectivity of polysulfide modified product achieved 93.5%,which was 30 folds higher than Pt/*** addition,the catalyst showed high catalytic *** mechanism study demonstrates that the surface modified polysulfide could significantly boost the enrichment effect of ethanol and hydroxyl species,accelerating c–c bond cleavage and cO oxidation.

关键词： Pt cO_(2) selectivity enrichment effect ethanol oxidation reaction(EOR) electrocatalyst

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Achieving exceptionally high strength and rapid degradation rate of Mg-Er-Ni alloy by strengthening with lamellar γ' and bulk LPSO phases

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Journal of Materials Science & Technology 2024年第1期168卷 88-102页

作者： chaoneng dai Jingfeng Wang Yuanlang Pan Kai Ma Yinhong Peng Ye Wang Danqian Wang chunhua Ran Jinxing Wang Yanlong Ma college of chemistry and chemical Engineering Chongqing UniversityChongqing 401331China college of Materials Science and Engineering Chongqing UniversityChongqing 400044China National Engineering Research center for Magnesium Alloys Chongqing 400044China college of Materials Science and Engineering Chongqing University of TechnologyChongqing 400054China

As-extruded Mg-Er-Ni alloys with different volume fractions of long-period stacking ordered(LPSO)phase and density of lamellar γ' phase were prepared,and the microstructure,mechanical,and degradation properties were *** the bulk LPSO phase and the lamellar γ' phase,and controlling the dynamic recrystallization processes during deformation by adjusting the volume fraction of LPSO and the density of the γ' phase,a synergistic increase in strength and degradation rate can be *** the one hand,the increase in corrosion rate was related to the increased volume fraction of the bulk LPSO phase and the densities of the lamellar γ' phase,which provide more galvanic ***,high densities of the lamellar γ' phase can provide more corrosion interface by inhibiting the recrystallization process to refine dynamic recrystallized(DRxed)grains during the hot *** the other hand,the ultimate tensile strength(UTS)and tensile yield strength(TYS)of the Mg-Er-Ni alloy increased from 345 and 265 MPa to 514 MPa and 358 MPa,respectively,which was mainly attributed to grain boundary and texture strengthening,bulk LPSO phase and lamellar γ' phase ***,Mg^(-1)4Er-4Ni alloy,which contains the highest volume fraction bulk LPSO phase and the densities of lamellar γ' phase,re-alized a synergistic enhancement of strength and degradation *** UTS,TYS,and degradation rate of Mg^(-1)4Er-4Ni were 514 MPa,358 MPa,and 142.5 mg cm^(-2)h^(-1)(3 wt%Kcl solution at 93◦c),*** research provides new insight into developing Mg alloys with high strength and degradation rates for fracturing tool materials in the application of oil and gas exploitation in harsh environments.

关键词： Mg-Er-Ni alloy Lamellarγ'and bulk LPSO phases Rapid degradation rate High strength Mechanical and corrosion mechanism

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Rational design of superior catalysts from topological semimetals with nontrivial energy window

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Rare Metals 2024年第5期43卷 1956-1964页

作者： Min Zhao Li-Rong Wang Wei Liu Ming-Hang Li Ying Liu xue-Fang dai Guo-Dong Liu xiao-Ming Zhang Key Laboratory of Reliability and Intelligence of Electrical Equipment School of Materials Science and Engineering ManufacturingHebei University of TechnologyTianjin 300130China

Materials featuring topological energy bands and nontrivial surface states hold significant promise in unlocking unprecedented opportunities for innovating electrocatalytic ***,it remains a challenge to realize superior topological catalysts which can carry both high catalytic activity and excellent catalytic ***,we propose that a family of Ni-based binary materials hosting fantasying topological conjunct-nodalpoint state and a large nontrivial energy window(NEWD)represents an ideal choice for such superior topological catalysts in hydrogen evolution *** presence of conjunct-nodal-points ensures long Fermi arcs on the surface,thereby enabling an extremely high catalytic *** NEWD plays a crucial role in stabilizing the high catalytic activity against external perturbations,such as strain and electron/hole *** roles for conjunctnodal-points and NEWD are substantiated by the observable weakening of catalytic performance during topological phase transitions,which result in the removal of the conjunct-nodal-points,NEWD and their corresponding long Fermi *** work unveils a hidden mechanism and opens a feasible route for developing superior quantum catalysts from novel topology point of view.

关键词： First-principles modeling Topological semimetal Nontrivial surface states Hydrogen evolution reaction

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