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High performance wide bandgap perovskite solar cell with low V_(OC) deficit less than 0.4 V

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Journal of Energy Chemistry 2024年第4期91卷 313-322页

作者： Haikuo guo Fuhua Hou Xuli Ning Xiaoqi ren Haoran Yang Rui Liu Tiantian Li chengjun Zhu Ying Zhao Wei Li Xiaodan Zhang School of Physical Science and Technology Key Laboratory of Semiconductor Photovoltaic Technology and Energy Materials at Universities of Inner Mongolia Autonomous RegionInner Mongolia UniversityHohhot 010021Inner MongoliaChina Institute of Photoelectronic Thin Film Devices and Technology of Nankai University Key Laboratory of Photoelectronic Thin Film Devices and Technology of TianjinSolar Energy Research Center of Nankai UniversityTianjin 300350China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430000HubeiChina

Wide bandgap perovskite solar cells(PSCs)have attracted significant attention because they can be applied to the top cells of tandem solar ***,high open-circuit voltage(V_(OC))deficit(>0.4 V)result from poor crystallization and high non-radiative recombination losses become a serious limitation in the pursuit of high ***,the relevance between different Pbl_(2)proportions and performance parameters are revealed through analysis of surface morphology,residual stress,and *** increase of Pbl_(2)proportion promotes crystal growth and reduces the work function of the perovskite film surface and promotes the energy level alignment with the carrier transport layer,which decreased the V_(OC)***,residual PbI_(2)exacerbated the stress level of perovskite film,and the resulting lattice disorder deteriorated the photostability of the ***,after the synergistic passivation of residual PbI_(2)and PEAI,the V_(OC)achieves 1.266 V and V_(OC)deficit is less than 0.4 V,the record value in wide bandgap PSCs.

关键词： Pb management Perovskite solar cell Strain Wide bandgap Stability

An overview of application-oriented multifunctional large-scale stationary battery and hydrogen hybrid energy storage system

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Energy Reviews 2024年第2期3卷 63-87页

作者： Yuchen Yang Zhen Wu Jing Yao Tianlei guo Fusheng Yang Zaoxiao Zhang Jianwei ren Liangliang Jiang Bo Li School of Chemical Engineering and Technology Xi'an Jiaotong UniversityXi'an710049PR China State Key Laboratory of Multiphase Flow in Power Engineering Xi'an Jiaotong UniversityXi'an710049PR China Department of Mechanical Engineering Science University of JohannesburgJohannesburg2092South Africa Department of Chemical and Petroleum Engineering University of CalgaryCalgaryABT2N 1N4Canada School of Engineering University of KentKentCT27NZUK

The imperative to address traditional energy crises and environmental concerns has accelerated the need for energy structure ***,the variable nature of renewable energy poses challenges in meeting complex practical energy *** address this issue,the construction of a multifunctional large-scale stationary energy storage system is considered an effective *** paper critically examines the battery and hydrogen hybrid energy storage *** technologies face limitations hindering them from fully meeting future energy storage needs,such as large storage capacity in limited space,frequent storage with rapid response,and continuous storage without ***,with their rapid response(90%),excel in frequent short-duration energy ***,limitations such as a self-discharge rate(>1%)and capacity loss(~20%)restrict their use for long-duration energy ***,as a potential energy carrier,is suitable for large-scale,long-duration energy storage due to its high energy density,steady state,and low ***,it is less efficient for frequent energy storage due to its low storage efficiency(~50%).Ongoing research suggests that a battery and hydrogen hybrid energy storage system could combine the strengths of both technologies to meet the growing demand for large-scale,long-duration energy *** assess their applied potentials,this paper provides a detailed analysis of the research status of both energy storage technologies using proposed key performance ***,application-oriented future directions and challenges of the battery and hydrogen hybrid energy storage system are outlined from multiple perspectives,offering guidance for the development of advanced energy storage systems.

关键词： Hybrid energy storage system Battery Hydrogen Stationary Large-scale Multifunctional

Discovery of TK-642 as a highly potent,selective,orally bioavailable pyrazolopyrazine-based allosteric SHP2 inhibitor

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Acta Pharmaceutica Sinica B 2024年第8期14卷 3624-3642页

作者： Kai Tang Shu Wang Siqi Feng Xinyu Yang Yueyang guo Xiangli ren Linyue Bai Bin Yu Hong-Min Liu Yihui Song School of Pharmaceutical Sciences&Key Laboratory of Advanced Drug Preparation Technologies Ministry of EducationZhengzhou UniversityZhengzhou 450001China College of Chemistry Pingyuan LaboratoryState Key Laboratory of Antiviral DrugsZhengzhou UniversityZhengzhou 450001China Tianjian Laboratory of Advanced Biomedical Sciences Institute of Advanced Biomedical SciencesZhengzhou UniversityZhengzhou 450000China State Key Laboratory of Pharmaceutical Biotechnology Nanjing UniversityNanjing 210023China

Src homology-2-containing protein tyrosine phosphatase 2(SHP2)is a promising therapeutic target for cancer *** this work,we presented the structure-guided design of 5,6-fused bicyclic allosteric SHP2 inhibitors,leading to the identification of pyrazolopyrazine-based TK-642 as a highly potent,selective,orally bioavailable allosteric SHP2 inhibitor(SHP2WT IC_(50)=2.7 nmol/L)with favorable pharmacokinetic profiles(F=42.5%;t_(1/2)=2.47 h).Both dual inhibition biochemical assay and docking analysis indicated that TK-642 likely bound to the“tunnel”allosteric site of ***-642 could effectively suppress cell proliferation(KYSE-520 cells IC_(50)=5.73μmol/L)and induce apoptosis in esophageal cancer cells by targeting the SHP2-mediated AKT and ERK signaling ***,oral administration of TK-642 also demonstrated effective anti-tumor effects in the KYSE-520 xenograft mouse model,with a T/C value of 83.69%.Collectively,TK-642 may warrant further investigation as a promising lead compound for the treatment of esophageal cancer.

关键词： Protein tyrosine phosphatase Pyrazolopyrazine SHP2 inhibitor Esophageal cancer

Microstructure and texture evolution of Cu-Cr-Co-Ti alloys during the two-stage cryorolling

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Rare Metals 2024年第9期43卷 4535-4547页

作者： Jia-Jun Zhang Long-Jian Li Zhi-Feng Liu Zong-Ning Chen En-Yu guo Hui-Jun Kang ren-Geng Li Tong-Min Wang Key Laboratory of Solidification Control and Digital Preparation Technology(Liaoning Province) School of Materials Science and EngineeringDalian University of TechnologyDalian 116024China Center of Hyper-Gravity Experimental and Interdisciplinary Research Zhejiang UniversityHangzhou 310058China Ningbo Institute of Dalian University of Technology Ningbo 315000China Key Laboratory for Light-Weight Materials Nanjing Tech UniversityNanjing 210009China

This study entailed an investigation of the mechanical properties,microstructural and texture orientation evolutions of Cu-Cr-Co-Ti alloys prepared via twostage cryorolling and intermediate aging *** this end,X-ray diffraction and electron backscatter diffraction were *** results indicate that the two-stage cryorolling and intermediate aging treatments led to the development of profuse twin bundles and significantly enhanced the mechanical *** initial cryorolling led to coplanar slip and developed a strong Y({111})orientation,accelerating the formation of Goss({011})orientation and a Brass-type *** intermediate aging treatment relieved the restriction on dislocation slip and reoriented the grains toward the Copper({112})and Z({111})*** Z orientation,with a relatively high volume fraction,dominated the *** cryorolling intensified twinning and shear banding,transforming the Copper-type shear bands into Brass-type shear bands with rhomboidal prism *** areas inside the Brasstype shear bands exhibited a Y orientation,and the areas outside the shear bands exhibited a stable Brass-type *** evident decrease in the weighted Schmid factors demonstrated that the two-stage cryorolling and intermediate aging treatment can modify the texture evolution and aid the design of high-performance Cu alloys.

关键词： Copper alloys Two-stage cryorolling Macrotexture evolution Electron backscatter diffraction Schmid factor

Nonlocal symmetries,soliton-cnoidal wave solution and soliton molecules to a(2+1)-dimensional modified KdV system

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Communications in Theoretical Physics 2024年第4期76卷 14-21页

作者： Jianyong Wang Bo ren Department of Mathematics and Physics Quzhou UniversityQuzhou 324000China Department of Mathematics Zhejiang University of TechnologyHangzhou 310014China

A(2+1)-dimensional modified KdV(2DmKdV)system is considered from several ***,residue symmetry,a type of nonlocal symmetry,and the Bäcklund transformation are obtained via the truncated Painlevéexpansion ***,the residue symmetry is localized to a Lie point symmetry of a prolonged system,from which the finite transformation group is ***,the integrability of the 2DmKdV system is examined under the sense of consistent tanh expansion ***,explicit soliton-cnoidal wave solutions are ***,abundant patterns of soliton molecules are presented by imposing the velocity resonance condition on the multiple-soliton solution.

关键词： soliton-cnoidal wave solution nonlocal symmetry soliton molecule (2+1)-dimensional modified KdV system

Biochar with self-doped N to activate peroxymonosulfate for bisphenol-A degradation via electron transfer mechanism:The active edge graphitic N site

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Chinese Chemical Letters 2024年第9期35卷 351-355页

作者： Yun-Xin Huang Lin-Qian Yu Ke-Yu Chen Hao Wang Shou-Yan Zhao Bao-cheng Huang ren-Cun Jin School of Engineering Hangzhou Normal UniversityHangzhou 311121China Zhejiang Provincial Key Laboratory of Urban Wetlands and Regional Change Hangzhou 311121China

Environmental endocrine disruptors,represented by bisphenol A(BPA),have been widely detected in the environment,bringing potential health risks to human ***-containing biocarbon catalyst can activate peroxymonosulfate(PMS)to degrade BPA in water,but its active sites remain ***,in this work,nitrogen-containing biochar,i.e.,C–Nedge,enriched with graphitic-N defects at the edges was prepared by one-pot co-pyrolysis of chitosan and potassium *** results showed that the C–Nedge/PMS system can effectively degrade 98%of BPA(50 mg/L).The electron transfer based non-radical oxidation mechanism was responsible for BPA *** graphitic-N doping endows biochar with strong electron transfer *** catalyst had good recovery and reuse *** catalytic oxidation was also feasible for other refractory pollutants removal and worked well for treating practical *** work may provide valuable information in unraveling the N doping configurationactivity relationship during activating PMS by biochar.

关键词： Peroxymonosulfate Carbon-based catalysts Edge graphitic-N Non-radicals Bisphenol A

Global Solvability for a Predator-Prey Model with Prey-Taxis and Rotational Flux Terms

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Chinese Annals of Mathematics,Series B 2024年第2期45卷 297-318页

作者： guoqiang ren Bin LIU School of Mathematics and Statistics Huazhong University of Science and Technology Hubei Key Laboratory of Engineering Modeling and Scientific Computing Huazhong Universityof Science and Technology

In this paper the author investigates the following predator-prey model with prey-taxis and rotational?ux terms■in a bounded domain with smooth *** presents the global existence of generalized solutions to the model... 详细信息

关键词： Predator-prey Prey-taxis Giopal existence Kotational flnux

Toward Establishing a Low-cost UAV Coordinated Carbon Observation Network(LUCCN):First Integrated Campaign in China

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Advances in Atmospheric Sciences 2024年第1期41卷 1-7页

作者： Dongxu YANG Tonghui ZHAO Lu YAO Dong guo Meng FAN Xiaoyu ren Mingge LI Kai WU Jing WANG Zhaonan CAI Sisi WANG Jiaxu guo Liangfu CHEN Yi LIU Carbon Neutrality Research Center(CNRC) Institute of Atmospheric PhysicsChinese Academy of SciencesBeijing 100029China Key Laboratory of Middle Atmospheric Physics and Global Environment Observation(LAGEO) Institute of Atmospheric PhysicsChinese Academy of SciencesBeijing 100029China State Key Laboratory of Remote Sensing Science Aerospace Information Research InstituteChinese Academy of SciencesBeijing 100101China National Remote Sensing Center of China Beijing 100036China The Administrative Center for China’s Agenda 21 Beijing 100862China

In this study,we introduce our newly developed measurement-fed-perception self-adaption Low-cost UAV Coordinated Carbon Observation Network(LUCCN)*** LUCCN primarily consists of two categories of instruments,including ground-based and UAV-based in-situ *** use the GMP343,a low-cost non-dispersive infrared sensor,in both ground-based and UAV-based *** first integrated measurement campaign took place in Shenzhen,China,4 May *** the campaign,we found that LUCCN’s UAV component presented significant data-collecting advantages over its ground-based counterpart owing to the relatively high altitudes of the point emission sources,which was especially obvious at a gas power plant in *** emission flux was calculated by a crosssectional flux(CSF)method,the results of which differed from the Open-Data Inventory for Anthropogenic Carbon dioxide(ODIAC).The CSF result was slightly larger than others because of the low sampling rate of the whole emission cross *** LUCCN system will be applied in future carbon monitoring campaigns to increase the spatiotemporal coverage of carbon emission information,especially in scenarios involving the detection of smaller-scale,rapidly varying sources and sinks.

关键词： CO_(2) measurement networks power station carbon emission cross-sectional flux method

Data-driven systematic analysis of waterborne viruses and health risks during the wastewater reclamation process

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Environmental Science and Ecotechnology 2024年第3期19卷 80-90页

作者： Jia-Xin Ma Xu Wang Yi-Rong Pan Zhao-Yue Wang Xuesong guo Junxin Liu Nan-Qi ren David Butler Research Center for Eco-Environmental Sciences Chinese Academy of SciencesBeijing100085China State Key Laboratory of UrbanWater Resource and Environment School of Civil and Environmental EngineeringHarbin Institute of TechnologyShenzhenShenzhen518055China University of Chinese Academy of Sciences Beijing100049China Centre for Water Systems College of EngineeringMathematics and Physical SciencesUniversity of ExeterExeterEX44QFUnited Kingdom

Waterborne viral epidemics are a major threat to public *** interest in wastewater reclamation highlights the importance of understanding the health risks associated with potential microbial hazards,particularly for reused water in direct contact with *** study focused on identifying viral epidemic patterns in municipal wastewater reused for recreational applications based on long-term,spatially explicit global literature data during 2000e2021,and modelled human health risks from multiple exposure pathways using a well-established quantitative microbial risk assessment *** median viral loads in municipal wastewater ranged from 7.92×10^(4)to 1.4×10^(6)GC L^(-1)in the following ascending order:human adenovirus(HAdV),norovirus(NoV)GII,enterovirus(EV),NoV GI,rotavirus(RV),and severe acute respiratory syndrome coronavirus 2(SARSCoV-2).Following secondary or tertiary wastewater treatment,NoV GI,NoV GII,EV,and RV showed a relatively higher and more stable log reduction value with medians all above 0.8(84%),whereas SARSCoV-2 and HAdV showed a relatively lower reduction,with medians ranging from 0.33(53%)to 0.55(72%).A subsequent disinfection process effectively enhanced viral removal to over 0.89-log(87%).The predicted event probability of virus-related gastrointestinal illness and acute febrile respiratory illnesses in reclaimed recreational water exceeded the World Health Organization recommended recreational risk benchmark(5%and 1.9%,respectively).Overall,our results provided insights on health risks associated with reusing wastewater for recreational purposes and highlighted the need for establishing a regulatory framework ensuring the safety management of reclaimed waters.

关键词： Reclaimed water Waterborne virus Recreational Human health Data-driven analysis