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Chinese journal of Aeronautics 2025年第1期38卷 409-426页

作者： Leliang REN weilin GUO Yong XIAN Zhenyu liu Daqiao ZHANG Shaopeng LI Xi’an Research Institute of High Technology Xi’an 710025China China Xi’an Satellite Control Center Xi’an710043China Department of Automation Tsinghua UniversityBeijing 100084China

Exo-atmospheric vehicles are constrained by limited maneuverability,which leads to the contradiction between evasive maneuver and precision *** address the problem of Integrated Evasion and Impact(IEI)decision under multi-constraint conditions,a hierarchical intelligent decision-making method based on Deep Reinforcement Learning(DRL)was ***,an intelligent decision-making framework of“DRL evasion decision”+“impact prediction guidance decision”was established:it takes the impact point deviation correction ability as the constraint and the maximum miss distance as the objective,and effectively solves the problem of poor decisionmaking effect caused by the large IEI decision ***,to solve the sparse reward problem faced by evasion decision-making,a hierarchical decision-making method consisting of maneuver timing decision and maneuver duration decision was proposed,and the corresponding Markov Decision Process(MDP)was designed.A detailed simulation experiment was designed to analyze the advantages and computational complexity of the proposed *** results show that the proposed model has good performance and low computational resource *** minimum miss distance is 21.3 m under the condition of guaranteeing the impact point accuracy,and the single decision-making time is 4.086 ms on an STM32F407 single-chip microcomputer,which has engineering application value.

关键词： Exo-atmospheric vehicle Integrated evasion and impact Deep reinforcement learning Hierarchical intelligent policy Single-chip microcomputer Miss distance

A deeper and hotter Martian core-mantle differentiation inferred from FeO partitioning

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Science Bulletin 2025年第3期70卷 429-436页

作者： Yunguo Li Chunhui Li You Zhou Yun liu Huaiwei Ni State Key Laboratory of Lithospheric and Environmental Coevolution University of Science and Technology of ChinaHefei 230026China Deep Space Exploration Laboratory/School of Earth and Space Sciences University of Science and Technology of ChinaHefei 230026China Research Centre for Planetary Science College of Earth and Planetary SciencesChengdu University of TechnologyChengdu 610059China State Key Laboratory of Ore Deposit Geochemistry Chinese Academy of SciencesGuiyang 550081China

The core-mantle differentiation process plays a pivotal role in redistributing material on a massive scale,shaping the long-term evolution of rocky *** this process is crucial for gaining insights into the accretion and evolution of planets like ***,the details of Mars’s core-mantle differentiation remain poorly understood due to limited compositional data for its core and *** this study,we aim to constrain the Martian core-mantle differentiation by examining FeO partitioning between core and mantle materials,incorporating improved Martian compositional data from the InSight *** ab initio thermodynamic techniques,we calculated the FeO partition coefficient between liquid iron and silicate *** results align with previous studies while also clarifying the factors affecting partitioning *** on these findings and estimates of oxygen concentration in the core,we infer that Mars’s core and mantle likely differentiated at temperatures above 2440 K and pressures ranging from 14 to 22 *** these estimates are higher than previously reported,they are consistent with observed abundances of moderately siderophile elements and Mars’s accretion models.

关键词： Mars Core-mantle differentiation Volatile Partitioning

A novel transient strategy:transient electronics based on energetic materials

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Defence Technology(防务技术) 2025年第2期44卷 111-130页

作者： Yutao wang Zhongliang Ma wei He Yongli Zhang Peijin liu School of Environmental and Safety Engineering North University of ChinaTaiyuan 030051China School of Aeronautics and Astronautics Sichuan UniversityChengdu 610065China Xi'an North Hui'an Chemical Industry Co.Ltd Xi'an 710302China Science and Technology on Combustion Internal Flow and Thermostructure LaboratoryNorthwestern Polytechnical UniversityXi'an 710072China

Transient electronics is a versatile tool that finds applications in various fields,including medical biology,environmental protection,and data information *** the context of data protection,the traditional passive degradation transient mode is being replaced by the active destruction mode,which features a short self-destruction time and provides greater resistance to *** article presents an overview of recent progress in transient electronics,assessing the benefits and suitability of varying transient *** article also analyses the influence of transient electronics on military security while emphasizing the advantages of implementing energetic ***,the article introduces energetic transient devices and evaluates their ability to support the autonomous operation of transient electronic devices.

关键词： Transient electronics Energetic materials

Targeting novel sites represents an effective strategy for combating drug resistance

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Chinese Chemical Letters 2025年第1期36卷 3-5页

作者： Shaoqing Du Xinyong liu Xueping Hu Peng Zhan Department of Medicinal Chemistry Key Laboratory of Chemical Biology(Ministry of Education)School of Pharmaceutical SciencesCheeloo College of MedicineShandong UniversityJi’nan 250012China Institute of Frontier Chemistry School of Chemistry and Chemical EngineeringShandong UniversityQingdao 266237China

Drug resistance poses an escalating global challenge in the battle against *** effectiveness of conventional antibiotics and other anti-infective drugs is waning as microbes develop heightened resistance to existing *** resistance poses a formidable challenge to global health and development,ranking among the top 10 public health threats to humanity as declared by the world Health *** indicate that if left unaddressed,antimicrobial resistance could inflict an annual economic burden on the global GDP ranging from$1trillion to$3.4 trillion by ***,the management of common infections becomes increasingly arduous,while the likelihood of disease transmission,severe illness,and mortality escalates.

关键词： resistance drugs humanity

Magnetically-responsive phase change thermal storage materials:Mechanisms,advances,and beyond

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journal of Energy Chemistry 2025年第2期101卷 485-510页

作者： Yan Gao Yang Li jinjie Lin Panpan liu Xiao Chen Ge wang Beijing Advanced Innovation Center for Materials Genome Engineering Beijing Key Laboratory of Function Materials for Molecule & Structure Construction School of Materials Science and Engineering University of Science and Technology Beijing School of Physics and Astronomy Beijing Normal University Shunde Graduate School University of Science and Technology Beijing

Rapid advances in thermal management technology and the increasing need for multi-energy conversion have placed stringent energy efficiency requirements on next-generation shape-stable composite phase change materials(PCMs).Magnetically-responsive phase change thermal storage materials are considered an emerging concept for energy storage systems,enabling PCMs to perform unprecedented functions(such as green energy utilization,magnetic thermotherapy,drug release,etc.).The combination of multifunctional magnetic nanomaterials and PCMs is a milestone in the creation of advanced multifunctional composite ***,a timely and comprehensive review of composite PCMs based on magnetic nanoparticle modification is still ***,we furnish an exhaustive exposition elucidating the cutting-edge advancements in magnetically responsive composite *** delve deeply into the multifarious roles assumed by distinct nanoparticles within composite PCMs of varying dimensions,meticulously scrutinizing the intricate interplay between their architectures and thermophysical ***,we prognosticate future research trajectories,delineate alternative stratagems,and illuminate prospective *** review is intended to stimulate broader academic interest in interdisciplinary fields and provide valuable insights into the development of next-generation magnetically-responsive composite PCMs.

关键词： Magnetic nanoparticles Magnetic-thermal conversion Phase change materials Response mechanism Thermal energy storage

Highly conductive and stable iodine doped argyrodite electrolyte for all-solid-state lithium batteries

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journal of Energy Chemistry 2025年第1期100卷 50-58页

作者： Gaozhan liu jing Zhang jing Yang jinghui Chen Xingyue Xiao Xiayin Yao Ningbo Institute of Materials Technology and Engineering Chinese Academy of SciencesNingbo 315201ZhejiangChina Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijing 100049China

Lithium argyrodites with high ionic conductivity and low cost are considered as one of the most prospective solid electrolytes for all-solid-state lithium ***,the poor chemical stability and compatibility with lithium metal limit their ***,Li_(5.4)PS_(4.4)Cl1.4I0.2solid electrolyte with high ionic conductivity of 11.49 m S ccm^(-1)and improved chemical stability is synthesized by iodine *** ultra-thin Li_(5.4)PS_(4.4)Cl_(1.4)I_(0.2)membrane with thickness of 10μm can be obtained by wet coating process,exhibiting a high ionic conductivity of 2.09 mS ccm^(-1)and low areal resistance of 1.17Ωcm^(-2).Moreover,iodine doping could in-situ form LiI at the lithium/electrolyte interface and improve the critical current density of Li_(5.4)PS_(4.4)Cl_(1.6)from 0.8 to 1.35 mA cm^(-2).The resultant LiCoO_(2)/Li_(5.4)PS_(4.4)Cl_(1.4)I_(0.2)/Li battery shows excellent cycling stability at 1 C,with a reversible specific capacity of 110.1 mA h g^(-1)and a retention of 80.5% after 1000 *** addition,the assembled LiCoO_(2)/Li_(5.4)PS_(4.4)Cl_(1.4)I_(0.2)membrane/Li pouch cell delivers an initial discharge capacity of 110.4 mA h g^(-1)and 80.5% capacity retention after 100 cycles.

关键词： Argyrodite electrolytes lodine doping lonic conductivity Stability All-solid-state lithium battery

Deformation energy of tectonic coal under hydrostatic conditions:A new calculation model based on critical state theory

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International journal of Mining Science and Technology 2025年第1期35卷 87-100页

作者： Chenghao wang Haisong liu Yuanping Cheng Liang wang jingyu jiang Artificial Intelligence Research Institute China University of Mining and TechnologyXuzhou 221116China National Engineering Research Center for Coal Gas Control China University of Mining and TechnologyXuzhou 221116China Intelligent Early warning and Prevention Research Center for Coal Mine Disasters China University of Mining and TechnologyXuzhou 221116China School of Safety Engineering China University of Mining and TechnologyXuzhou 221116China

The deformation energy(wd)of soil-like tectonic coal is crucial for investigating the mechanism of coal and gas *** coal has a significant nonlinear constitutive relationship,which makes traditional elastic-based models for computing *** by critical state soil mechanics,this study theoretically established a new calculation model of wdsuitable for the coal with nonlinear deformation *** the new model,the relationship between energy and stress no longer follows the square law(observed in traditional linear elastic models)but exhibits a power function,with the theoretical value of the power exponent ranging between 1 and *** cyclic loading and unloading experiments were conducted on four groups of tectonic coal samples and one group of intact coal *** results indicated that the relationship between wdand stress for both intact and tectonic coal follows a power *** exponents for intact and tectonic coal are close to 2 and 1,*** stress-strain curve of intact coal exhibits small deformation and linear characteristics,whereas the stress-strain curves of tectonic coal show large deformation and nonlinear *** study specifically investigates the role of coal viscosity in the cyclic loading/unloading *** downward bending in the unloading curves can be attributed to the time-dependent characteristics of coal,particularly its viscoelastic *** on experimental statistics,the calculation model of wdwas further *** simplified model involves only one unknown parameter,which is the power exponent between wdand *** measured wdof the coal samples increases with the number of load *** phenomenon is attributed to coal's viscoelastic *** the same stress,the wdof tectonic coal is an order of magnitude greater than that of intact *** calculation model of wdproposed in this paper provides a new tool for studying the energy princip

关键词： Coal and gas outburst Tectonic coal Deformation energy Calculation model Critical state soil mechanics

Toward long-life Zn anode using highly polar electrolyte additives

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journal of Energy Chemistry 2025年第2期101卷 651-660页

作者： Nengbin Cai Hongming Chen Busheng Zhang Zijing liu Xinbo He Dan Zhou Beijing Advanced Innovation Center for Materials Genome Engineering University of Science and Technology Beijing Shunde Innovation School University of Science and Technology Beijing School of Textile Science and Engineering Wuyi University

Unstable Zn interface caused by rampant dendrite growth and parasitic side reactions always hinders the practical application of aqueous zinc metal batteries（AZMBs）,Herein,tyrosine（Tyr） with high molecular polarity was introduced into aqueous electrolyte to modulate the interfacial electrochemistry of Zn *** AZMBs,the positively charged side of Tyr can be well adsorbed on the surface of Zn anode to form a water-poor layer,and the exposed carboxylate side can be easily coordinated with Zn2+,favoring inducing uniform plating of Zn2+and inhibiting the occurrence of water-induced side *** in turn enable the achievement of highly stable Zn ***,the Zn anodes achieve outstanding cyclic stability(3000 h at 2 mA cm-2,2 mA h cm-2and 1300 h at 5 mA cm-2,5 mA h cm-2),high average Coulombic efficiency（99.4% over 3200 cycles）,and high depth of discharge（80% for 500 h）.Besides,the assembled Zn‖NaV3O8·1.5H2O full cells deliver remarkable capacity retention and ultra-long lifetime(61.8% over 6650 cycles at 5 A g-1) and enhanced rate capability(169 mA h g-1at 5 A g-1).The work may promote the design and deep understanding of electrolyte additives with high molecular polarity for high-performance AZMBs.

关键词： AZMBs Electrolyte additives Highly stable Zn anode Interfacial electrochemistry Tyr

Evaluation of detonation performance of explosives ICM-101,ONC,and TNAZ based on improved VHL equation of state

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Defence Technology(防务技术) 2025年第2期44卷 83-97页

作者： Yong Han Qin liu Yingliang Duan Yaqi Zhao Xinping Long Institute of Chemical Materials China Academy of Engineering PhysicsYouxian DistrictMianyang621000China China Academy of Engineering Physics Youxian DistrictMianyang621000China

Detonation performance is crucial for evaluating the power of high explosives(HEs),and the equation of state(EOS)that accurately describes the high-temperature,high-pressure,and high-temperature,medium-pressure states of detonation products is key to assessing the damage efficiency of these energetic *** article examines the limitations of the VLw EOS in representing the thermodynamic states of explosive detonation gas products under high-temperature and medium-to high-pressure conditions.A new gas EOS for detonation products,called VHL(Virial-Han-Long),is *** accuracy of VHL in describing gas states under high-temperature and medium-to high-pressure conditions is verified,and its performance in evaluating explosive detonation and working capabilities is *** results demonstrate that VHL exhibits high precision in calculating detonation ***,the detonation performance of three new HEs(ICM-101,ONC,and TNAZ)was calculated and compared to traditional HEs(TATB,CL-20,and HMX).The results indicate that ONC has superior detonation performance compared to the other explosives,while ICM-101 shows a detonation velocity similar to CL-20 but with slightly lower detonation *** detonation characteristics of TNAZ are comparable to those of the standard HE *** the perspective of products,considering the comprehensive work performance(mechanical work and detonation heat),both ONC and ICM-101demonstrate relatively superior performance.

关键词： Equation of state Detonation performance working capability Thermodynamics High explosive

Interface compatibility between sulfide solid electrolytes and Ni-rich oxide cathode materials:Factors,modification,perspectives

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journal of Energy Chemistry 2025年第2期101卷 233-262页

作者： Tianwen Yang Haijuan Pei Haijian Lv Shijie Lu Qi liu Daobin Mu Beijing Key Laboratory of Environmental Science and Engineering School of Materials Science an Engineering Beijing Institute of Technology State Key Laboratory of Space Power-Sources Technology Shanghai Institute of Space Power-Sources

All-solid-state batteries(ASSBs) assembled with sulfide solid electrolytes(SSEs) and nickel(Ni)-rich oxide cathode materials are expected to achieve high energy density and safety,representing potential candidates for the next-generation energy storage ***,interfacial issues between SSEs and Nirich oxide cathode materials,attributed to space charge layer,interfacial side reactions,and mechanical contact failure,significantly restrict the performances of *** interface degradation is closely related to the components of the composite cathode and the process of electrode *** on the influencing factors of interface compatibility between SSEs and Ni-rich oxide cathode,this article systematically discusses how cathode active materials(CAMs),electrolytes,conductive additives,binders,and electrode fabrication impact the interface *** addition,the strategies for the compatibility modification are ***,the challenges and prospects of intensive research on the degradation and modification of the SSE/Ni-rich cathode material interface are *** review is intended to inspire the development of high-energy-density and high-safety all-solid-state batteries.

关键词： All–solid–state batteries Influencing factors Interface compatibility Ni–rich oxide cathode Sulfide solid electrolyte