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Design of Electrodes and Electrolytes for Silicon-Based Anode Lithium-Ion Batteries

Energy & Environmental Materials 2025年第02期 5-37页

作者： Xiaoyi Chen Bin Wang Yaowen Ye Jin Liang Jie Kong MOE Key Lab of Materials Physics and Chemistry in Extraordinary Conditions Shaanxi Key Laboratory of Macromolecular Science and Technology School of Chemistry and Chemical Engineering Northwestern Polytechnical University Minmetal Exploration & development CO.LTD Key Laboratory of Flexible Electronics of Zhejiang Provience Ningbo Institute of Northwestern Polytechnical University Research& development Institute of Northwestern Polytechnical University in Shenzhen

The development of lithium-ion batteries with high-energy densities is substantially hampered by the graphite anode's low theoretical capacity(372 mAh g-1).There is an urgent need to explore novel anode materials for lithium-ion ***（Si）,the second-largest element outside of Earth,has an exceptionally high specific capacity(3579 mAh g-1),regarded as an excellent choice for the anode material in high-capacity lithium-ion ***,it is low intrinsic conductivity and volume amplification during service status,prevented it from developing *** difficulties can be successfully overcome by incorporating carbon into pure Si systems to form a composite anode and constructing a buffer *** review looks at the diffusion mechanism,various silicon-based anode material configurations（including sandwich,core-shell,yolk-shell,and other 3D mesh/porous structures）,as well as the appropriate binders and ***,a summary and viewpoints are offered on the characteristics and structural layout of various structures,metal/non-metal doping,and the compatibility and application of various binders and electrolytes for silicon-based *** review aims to provide valuable insights into the research and development of silicon-based carbon anodes for high-performance lithium-ion batteries,as well as their integration with binders and electrolyte.

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Construction of a foaming agent containing hydroxysulfobetaine and α-olefin sulfonate for clastic reservoirs with high temperature and high salinity

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Petroleum Science 2025年第02期 771-786页

作者： Long-Jie Li Ji-Jiang Ge Peng-Fei Chen Peng-Ju Chu School of Petroleum Engineering China University of Petroleum (East China) Key Laboratory of Unconventional Oil and Gas development Ministry of Education China University of Petroleum (East China)

High-temperature and high-salt reservoirs are often accompanied by serious gas channeling in gas flooding,which will greatly affect the effect of gas injection development,so in-situ foaming of temperature-resistant and salt-resistant foaming agents is commonly used to control gas *** feasibility of the compound system of dodecyl hydroxyl sulfobetaine(HSB12) and α-olefin sulfonate(AOS) as foaming agent for sandstone reservoir was studied at 130℃ and 22 × 10～4 mg/*** results showed that the foaming agent(HSB12 and AOS were compounded in a 6:1 mass ratio,in this article,this foaming agent is simply referred to as SA61) had good solubility in 22 × 10～4 mg/L simulated formation ***,the foaming volume of SA61 and HSB12 was similar,but the foam decay half-life of SA61was 10-25 times higher than that of *** foaming performance of SA61 on the surface of quartz sand remained above 90% of that before *** strong interaction between HSB12 and AOS in the compound system SA61 was demonstrated by surface rheological measurements and NMR studies of *** results of co re flow test showed that SA61 had better mobility control ability than HSB12under the same surfactant *** addition,SA61 showed a selective mobility reduction in2005.30 and 632.00 mD *** above research results can guide the selection and application of foaming agent in clastic reservoir.

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Zoning of development and utilization and evaluation of deep geothermal resources in Xiong'an New Area

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Journal of Groundwater Science and Engineering 2025年第1期13卷 47-61页

作者： Ming-xiao Yu Xi Zhu Gui-ling Wang Wei Zhang Feng Ma Institute of Hydrogeology and Environmental Geology Chinese Academy of Geological SciencesShijiazhuang050061China Technology Innovation Center for Geothermal&Hot Dry Rock Exploration and development Ministry of Natural ResourcesShijiazhuang 050061China

Xiong'an New Area boasts abundant geothermal resources,with widespread Jixianian geother-mal reservoirs serving as key targets for exploration and *** geothermal resources helps characterize their distribution and attributes,offering critical guidance for their sustainable exploitation and *** study integrates data from drilling and production tests across 21 geothermal wells to analyze the Jixianian strata,including depth,thickness,temperature,single-well water yield,Groundwater Level Depth(GWD),and Total Dissolved Solids(TDS).Employing fuzzy mathematics,a zoning analysis was performed,yielding quantitative evaluation scores and delineating favorable zones for *** findings include:(1)Geothermal reservoirs in the Rongcheng and Niutuozhen uplifts exhibit shallow burial depths,substantial thicknesses,high productivity,and relatively low temperatures,making them highly suitable for large-scale geothermal exploitation;(2)Zones with high resource potential but uncertain conditions require further exploration to mitigate development risks;(3)Areas near the Rongcheng fault or Jixianian strata buried deeper than 4,000 m are recommended for deferred exploitation;(4)Comprehensive evaluation reveals that the Jixianian carbonate geothermal reservoirs in Xiong'an New Area manifest 168 geothermal resources of 5,370.31×10 J,geothermal fluid reserves of 101.17×10 m3,and recoverable fluid 4 reserves of 93.41×10 m3/d under balanced extraction and *** geothermal heat 164 amounts to 9.36×10 J/a,equivalent to 319.4×10 t/a of standard *** study provides valuable insights into the exploration and sustainable exploitation of deep geothermal reservoirs in Xiong'an New Area,enhancing resource utilization and contributing to the development of a green and sustainable Xiong'an New Area.

关键词： Zoning of geothermal resources Fuzzy mathematics Geothermal energy Extraction and rein-jection balance Jixianian geothermal reservoirs

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Impact of the Regional Comprehensive Economic Partnership(RCEP)implementation on agricultural sector in regional countries:A global value chain perspective

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Journal of Integrative Agriculture 2025年第1期24卷 380-397页

作者： Shaowen Xu Jingfei Qian Yangfen Chen Huijie Zhang Institute of Agricultural Economics and development Chinese Academy of Agricultural SciencesBeijing 100081China Agricultural Information Institute Chinese Academy of Agricultural SciencesBeijing 100081China

The Regional Comprehensive Economic Partnership(RCEP)has created favorable conditions for building deeply integrated agricultural value chains(AVC)in *** on the RCEP agreement,this study employed the global trade analysis project(GTAP)model to evaluate the impact of RCEP on AVC of member countries in terms of time,tariff reduction,and reduction of non-tariff barriers(NTB).The results indicate that(1)the implementation of RCEP boosts the value-added to agricultural exports for most member countries,particularly in competitive industries;(2)the increase in domestic production and processing capacity,reflected in domestic value-added(DVA),is the primary factor driving the rise in the value-added of agricultural exports across various industries of member countries;(3)RCEP enhances the participation of most regional countries in AVC,with varying impacts on AVC positioning,thereby fostering regional AvC development;and(4)RCEP has a positive effect on AVC indicators both in the short and long term,with the effect becoming more pronounced over ***,reducing NTB enhances the positive effects of tariff reductions on AVC *** on the analyses,the following recommendations are proposed:(1)Leverage the development opportunities arising from RCEP implementation to enhance the agricultural DVA;(2)capitalize on cooperative opportunities created by RCEP to build cohesive regional AVC;and(3)prioritize the effective implementation of RCEP'shigh-qualityrules.

关键词： RCEP GTAP agricultural value chains tariff non-tariff barriers trade facilitation

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Anthrax: A disease of biowarfare and public health importance

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World Journal of Clinical Cases 2015年第1期3卷 20-33页

作者： Ajay Kumar Goel Biotechnology Division Defence Research and Development Establishment Gwalior 474002 India

Bioterrorism has received a lot of attention in the first decade of this century. Biological agents are considered attractive weapons for bioterrorism as these are easy to obtain, comparatively inexpensive to produce and exhibit widespread fear and panic than the actual potential of physical damage. Bacillus anthracis(B. anthracis), the etiologic agent of anthrax is a Gram positive, spore forming, non-motile bacterium. This is supposed to be one of the most potent BW agents because its spores are extremely resistant to natural conditions and can survive for several decades in the environment. *** spores enter the body through skin lesion(cutaneous anthrax), lungs(pulmonary anthrax), or gastrointestinal route(gastrointestinal anthrax) and germinate, giving rise to the vegetative form. Anthrax is a concern of public health also in many countries where agriculture is the main source of income including India. Anthrax has been associated with human history for a very long time and regained its popularity after Sept 2001 incidence in United States. The present review article describes the history, biology, life cycle, pathogenicity, virulence, epidemiology and potential of B. anthracis as biological weapon.

关键词： Anthrax Bacillus anthracis Biological warfare Epidemiology Infection Public health

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Fabrication of AA7005/TiB2-B4C surface composite by friction stir processing: Evaluation of ballistic behaviour

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defence Technology（防务技术） 2019年第3期15卷 363-368页

作者： Nitinkumar Pol Gaurav Verma R.P.Pandey T.Shanmugasundaram Research and development Establishment (Engineers) Pune India Department of Metallurgical & Materials Engg. Defence Institute of Advanced Technology Pune India Armament Research and development Establishment Pune India

The present work aims to enhance the ballistic resistance of AA7005 alloy by incorporating the TiB2 and B4C ceramic reinforcement particles. Surface composites with different weight fractions of TiB2 and B4C particles were processed by friction stir processing. Micro-hardness and depth of penetration tests were carried out to evaluate the ballistic properties of the surface composites. The surface hardness of the composite was found to be nearly 70 HV higher than base alloy. The depth of penetration of the steel projectile was 20e26mm in the composites as compared to 37mm in the base alloy. Ballistic mass efficiency factor of the surface composite was found to be 1.6 times higher than base alloy. This is mainly attributed to the dispersion strengthening from the reinforcement particles.

关键词： Aluminum alloys Metal matrix composite Ballistic testing Friction stir processing

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development and evaluation of organic/metal ion double crosslinking polymer gel for anti-CO2 gas channeling in high temperature and low permeability reservoirs

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Petroleum Science 2025年第02期 724-738页

作者： Hong-Bin Yang Hai-Zhuang Jiang Zhe Xu Xing Zhang Tao Wang Hai-Ning Liu Xiao Ma Jian-Jun Zhu Xiang-Feng Zhang Wan-Li Kang State Key Laboratory of Deep Oil and Gas China University of Petroleum (East China) School of Petroleum Engineering China University of Petroleum (East China) Jianghan Oilfeld of Sinopec Petroleum Engineering Technology Research Institute Shengli Oilfeld Branch of Sinopec Dongsheng Jinggong Petroleum development Group Co. LtdShengli Oilfeld Branch of Sinopec

CO2flooding enhanced oil recovery（CO2-EOR） represents a significant technology in the low permeability *** the fractures and heterogeneity in low permeability reservoirs,CO2-EOR is susceptible to pessimistic gas ***,there is a need to develop conformance control materials that can be used in ***,to address the challenges of low strength and poor stability of polymer gel in high temperature and low permeability reservoirs,a new organic/metal ion composite crosslinking polymer gel（AR-Gel） is reported,which is formed by low hydrolysis and medium to high molecular weight polymer（CX-305）,organic crosslinking agent（phenolic resin）,and aluminium citrate(AI（Ⅲ）.The crosslinking of AI（Ⅲ） with carboxyl group and organic/metal ion double crosslinking can construct a more complex and stable polymer gel structure on the basis of traditional chemical crosslinking,to cope with the harsh conditions such as high *** structure-activity relationship of AR-Gel was revealed by rheology behavior and *** applicability of AR-Gel in reservoir was investigated,as was its strength and stability in supercritical *** anti-gas channeling and enhanced oil recovery of AR-Gel were investigated using low permeability fractured cores,and the field process parameters were *** gel can be used to meet supercritical CO2reservoirs at 110℃ and 20,000 mg/L salinity,with long-term stability over 60 *** plugging rate of AR-Gel for fractured co re was 97%,with subsequent CO2flooding re sulting in an enhanced oil recovery by 34.5%.ARGel can effectively control CO2gas channeling and enhanced oil *** offers a new material with high strength and temperature resistance,which is particularly beneficial in the CO2flooding for the conformance control of oil field.

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Simulation of wind-induced near-inertial oscillations in a mixed layer near the east coast of Korea in the East/Japan Sea

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Acta Oceanologica Sinica 2013年第9期32卷 11-20页

作者： NAM SungHyun PARK Young-Gyu Naval Systems development Center Agency for Defense Development Ocean Circulation and Climate Research Division Korea Institute of Ocean Science and Technology

Using a simple damped slab model, it was possible to show that a local wind induced 88% （15 of 17） of the near-inertial oscillations （NIO） observed in the mixed layer near the east coast of Korea from 1999 to 2004. The model, however, overestimated the energy level in about two-thirds of the simulated cases, because the slab model was forced with winds whose characteristic period was shorter than the damping time scale of the model at 1.5 d. At the observation site, due to typhoons and orographic effects, high-frequency wind forcing is quite common, as is the overestimation of the energy level in the slab model results. In short, a simple slab model with a damping time-scale of about 1.5 d would be enough to show that the local wind was the main energy source of the near-inertial energy in this area, but the model could not be used to accurately estimate the amount of the work done by the wind to the mixed layer.

关键词： near-inertial oscillations near-inertial waves slab model high-frequency wind forcing eastcoast of Korea

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Strong coupling between a quasi-two-dimensional perovskite and a honeycomb plasmonic nanocone array

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Photonics Research 2025年第1期13卷 80-86页

作者： ZIXUAN SONG XUEXUAN HUANG LINGYAO LI LEYI ZHAO JIAMIN XIAO JIAZHI YUAN ZHIHANG WANG CHENGHAO BI WENXIN WANG Qingdao Innovation and development Center of Harbin Engineering University College of Physics and Optoelectronic Engineering Harbin Engineering University Department of Applied Physics The Hong Kong Polytechnic University

Recently organic-inorganic perovskite has been established as a promising platform for achieving room temperature exciton-polaritons, attributable to its superior optical coherence and robust exciton binding ***, when interfaced with metallic surfaces, the rapid degradation and quenching effect in perovskite have presented significant challenges, which critically hinders the exploration of light-matter interactions within metallic plasmonic structures. In this study, we report a quasi-two-dimensional lead halide perovskite that demonstrates a pronounced strong coupling phenomenon within an array of aluminum nanocones. The investigated quasi-two-dimensional perovskite structure exhibits high photoluminescence quantum efficiency and improved stability against metallic-induced degradation. Interestingly, the periodical arraying in honeycomb formation of plasmonic structure has advantages in angle-dependent dispersions and the loss neutralizing effectively. Besides,the plasmonic cone lattice characterized by its collective surface lattice resonance, features an exceptionally small mode volume and high quality, enhancing its interaction with the perovskite. A significant Rabi splitting of243 meV is observed at an incident angle of 30°. The dynamics of the Rabi oscillation is revealed by transient absorption spectra and theoretically analyzed by cavity quantum electrodynamics. This advancement in polariton research paves the way for novel applications, including quantum sources, enhanced photon-electron conversion efficiencies, and low-threshold lasing.

关键词： Cavity quantum electrodynamics Light matter interactions Optical constants Quantum efficiency Surface plasmon resonance Ti:sapphire lasers

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Origin and Evolution Process of Overpressure in the Shahezi Formation of Xujiaweizi Fault Depression in the Northern Songliao Basin,NE China

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Acta Geologica Sinica(English Edition) 2025年第1期99卷 212-227页

作者： ZHANG Chengju JIANG Zhenxue LU Jiamin SHI Lidong BI Zhongyu SUN Lidong YANG Liang LI Xiaomei LIU Jiajun MIAO Huan National Key Laboratory of Petroleum Resources and Engineering China University of Petroleum(Beijing)Beijing 102249China Unconventional Petroleum Research Institute China University of Petroleum(Beijing)Beijing 102249China Exploration and development Research Institute of PetroChina Daqing Oilfield Company Limited DaqingHeilongjiang 163712China

It is of great significance for deep oil and gas exploration to understand the origin and evolution behind *** occurs in the deep Shahezi Formation of Xujiaweizi fault ***,due to limited degree of exploration,there are some problems in the study area,such as unclear understanding of the origin of overpressure and the vague investigation of overpressure *** clarify the impact of overpressure on oil and gas migration and accumulation in the study area,this study focuses on the research of the origin and evolution of overpressure in the Shahezi Formation of the study area,utilizing single well logging parameters and combining methods such as microthermometry of fluid inclusions,laser Raman spectrum,and basin *** results show that the overpressure of the Shahezi Formation in Xujiaweizi fault depression is primarily generated by hydrocarbon generation pressurization,and the evolution of overpressure is closely related to hydrocarbon *** development of overpressure can be divided into two evolutionary stages:early hydrocarbon generation pressurization and late uplift release,with slight variations in different *** glutenite gas reservoirs in the Shahezi Formation are characterized by continuous *** overall charging period ranges from the late Denglouku to the early Mingshui(110-67 Ma ago).There is an obvious paleo-overpressure during the gas reservoir formation *** gas generation period of source rocks occurred approximately 125-60 Ma ago,and the main gas generation period(112-67 Ma ago)highly coincides with the period of natural gas *** anomalously high pressure during the accumulation period is considered the significant driving force for natural gas *** addition,the sustained effect of overpressure provides better conditions for the preservation of tight gas reservoirs within the *** results of the study are of guiding significance for the in-depth expl

关键词： fluid inclusion laser Raman spectrum basin simulation overpressure genesis paleo-pressure recovery Shahezi Formation Xujiaweizi fault depression

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