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Rare-Earth Doping Induced Pinning Effect with Enhanced Chemo-Mechanical Stability in Ni-Rich Cathodes for Lithium-Ion Batteries

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中国化学（英文版） 2025年第8期43卷 889-896页

作者： Bin Zhang Hongyun Zhang Yuefeng Su Jinyang Dong Kang Yan Jinzhong Liu Yun Lu Haoyu Wang Chengzhi Wang Feng Wu Lai Chen Yibin Libode New Materials Co. Ltd.YibinSichuan 644000China School of Materials Science and Engineering Beijing Key Laboratory of Environmental Science and EngineeringBeijing Institute of TechnologyBeijing 100081China Chongqing Innovation Center Beijing Institute of TechnologyChongqing 401120China Chongqing Innovation Center Beijing Institute of TechnologyChongqing 401120China School of Materials Science and Engineering Beijing Key Laboratory of Environmental Science and EngineeringBeijing Institute of TechnologyBeijing 100081China

The nickel-rich layered ternary cathode material(NCM)has been extensively studied due to its high specific capacity and low ***,with the increase of Ni content,the unstable structure of NCM material has gradually become *** alkali on the surface and Li+/Ni2+mixing before cycling,phase change,transition metal ions dissolution,microcracking,and other issues dur-ing the cycle,are the primary causes for the fast capacity fading of Ni-rich *** this study,Sc3+is doped into the LiNi0.8Co0.1Mn0.1O2 material,which has been demonstrated to impede the Li+/Ni2+mixing,while simultaneously increasing the layer *** results in the stabilization of the material structure and an enhancement of both the cycling stability and the rate ***,single-particle force testing and high-angle annular dark-field scanning transmission electron microscopy(HAADF-STEM)imaging further demonstrate reduced stress accumulation and mitigated chemo-mechanical *** study under-scores the efficacy of a minor addition of multifunctional rare-earth doping in enhancing the chemo-mechanical stability of Ni-rich cathodes,offering a straightforward and comprehensive solution to optimize the design and performance of energy storage cathodes.

关键词： Lithium-ion batteries Ni-rich cathode Rare-earth doping Pinning effect Chemo-mechanical stability Scandium Phase transition Materials science

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Regulation of rhizosphere microenvironment by rice husk ash for reducing the accumulation of cadmium and arsenic in rice

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Journal of environmental sciences 2024年第2期136卷 1-10页

作者： Yi Jiang Ya Liu Xuantao Yi Peng Zeng Bohan Liao Hang Zhou Jiaofeng Gu College of Environmental Science and Engineering Central South University of Forestry and TechnologyChangsha 410004China Hunan Engineering Laboratory for Control of Rice Quality and Safety Changsha 410004China

It is important to reduce Cd and As content in brown rice in contaminated paddy *** conducted research on the effects of rice husk ash (RHA) on the Cd and As in the rhizosphere microenvironment (soil,porewater,and iron plaque) and measured the Cd,As,and Si content in rice *** main elements in RHA were Si (29.64%) and O (69.17%),which had the maximum adsorption capacity for Cd was 42.49 mg/kg and for As was 18.62 mg/*** pH and available Si content increased,while soil available Cd and As decreased following application of 0.5%–2%*** promote the transformation of Cd to insoluble fraction,while As was transformed from a poorly soluble form to a more active *** reduced Cd content and increased Si content in porewater,and reduced As only at the later rice growth *** increased the amount of iron plaque,thereby decreasing the Cd content in iron plaque,while increased the As content in *** and inorganic As content in brown rice were decreased,to 0.31 mg/kg and 0.18 mg/kg,*** decrease of Cd in brown rice was due to the decrease of Cd mobility in soil,thereby reducing root accumulation,while the decrease of As in brown rice was affected by the transport from roots to ***,RHA can be considered as a safe and efficient in-situ remediation amendment for Cd and As co-contaminated paddy soil.

关键词： Rice husk ash(rha) Cadmium Arsenic Silicon Rice Soil

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Metal Aluminum-Free Configuration Toward High-Performance Aqueous Aluminum Ion Battery

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Energy Material Advances 2024年第1期5卷 135-145页

作者： Huaizhi Wang Yaning Gao Yu Li Haoyi Yang Wenhao Liu Bo Long Feng Wu Ying Bai Chuan Wu Beijing Key Laboratory of Environmental Science and Engineering School of Materials Science and EngineeringBeijing Institute of TechnologyBeijing 100081China Yangtze Delta Region Academy of Beijing Institute of Technology Jiaxing 314019China

Rechargeable aluminum batteries hold great promise for high energy density and low-cost energy storage applications but are stalled by severe electrochemical side reactions(e.g.,dendrite,passivation,and corrosion)at aluminum(Al)metal ***,we design an aluminum ion battery with an Al-free configuration to circumvent the problems caused by the above side *** feasibility of Al_(x)MnO_(2)·nH_(2)O cathode in aluminum ion batteries is revealed in conjunction with TiO_(2) anodes by using the optimal 5 M Al(OTF)_(3) *** as-assembled aluminum ion battery enables high initial discharge capacity of 370.4 mAh g^(−1) at 30 mA g^(−1),favorable stability with low irreversible capacity loss,and enhanced ***,the mechanism is intensively elucidated by multiple characterization results,indicative of the Al^(3+)ions(de)intercalation redox *** by empirical analyses,the capacity contribution of high-voltage plateau,corresponding to the disproportionation reaction of Mn^(3+)in an Al_(x)MnO_(2)·nH_(2)O battery system,tends to increase with the increasing electrolyte *** findings may provide fresh impetus to the rational design of aluminum ion batteries with excellent electrochemical properties.

关键词： TiO anode AlxMn NH O cathode electrochemical side reactions egdendritepassivationand aluminum free configuration aluminum ion battery rechargeable aluminum batteries aluminum ion batteries tio anodes

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Pt nanoclusters modified porous g-C_(3)N_(4)nanosheets to significantly enhance hydrogen production by photocatalytic water reforming of methanol

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Chinese Journal of Chemical engineering 2024年第2期66卷 40-50页

作者： Yi-Fei Liang Jin-Rong Lu Shang-Kun Tian Wen-Quan Cui Li Liu Hebei Provincial Key Laboratory of Environmental Photocatalytic and Electrocatalytic Materials College of Chemical EngineeringNorth China University of Science and TechnologyTangshan 063210China

For the use of green hydrogen energy,it is crucial to have efficient photocatalytic activity for hydrogen generation by water reforming of methanol under mild *** attention has been paid to gC_(3)N_(4)as a promising photocatalyst for the generation of *** improve the separation of photogenerated charge,porous nanosheet g-C_(3)N_(4)was modified with Pt nanoclusters(Pt/g-C_(3)N_(4))through impregnation and following photo-induced *** catalyst showed excellent photocatalytic activity of water reforming of methanol fo r hydrogen production with a 17.12 mmol·g^(-1)·h^(-1)rate at room temperature,which was 311 times higher than that of the unmodified g-C_(3)N_(4).The strong interactions of Pt-N in Pt/g-C_(3)N_(4)constructed effective electron transfer channels to promote the separation of photogenerated electrons and holes *** addition,in-situ infrared spectroscopy was used to investigate the intermediates of the hydrogen production reaction,which proved that methanol and water eventually turn into H_(2)and CO_(2)via formaldehyde and *** study provides insights for understanding the photocatalytic hydrogen production in the water reforming of methanol.

关键词： Water reforming of methanol Photocatalysis g-C_(3)N_(4) Pt nanoclusters Hydrogen production

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Donor-acceptor covalent organic frameworks-confined ultrafine bimetallic Pt-based nanoclusters for enhanced photocatalytic H_(2)generation

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Nano Research 2024年第7期17卷 5835-5844页

作者： Yu Liu Yawen Shi Hua Wang Shengbo Zhang Collaborative Innovation Center of Chemical Science and Engineering(Tianjin) Key Laboratory for Green Chemical Technology of the Ministry of EducationSchool of Chemical Engineering and TechnologyTianjin UniversityTianjin 300350China School of Environmental Science and Engineering Tianjin Key Laboratory of Biomass/Wastes UtilizationTianjin UniversityTianjin 300350China

Photocatalytic hydrogen generation from hydrogen storage media is an effective and promising approach for the green hydrogen industry as well as for achieving carbon neutrality ***,the lower photocatalytic efficiency due to the limited light trapping capacity,low electron transfer rate,and severe aggregation of nanoparticles caused by high surface energy seriously restricts their practical ***,we constructed a series of donor–acceptor(D–A)type covalent organic frameworks to confine ultrafine bimetallic Pt-based nanoclusters for photocatalytic hydrogen generation from ammonia borane(AB)*** visible light irradiation at 20℃,PtCo_(2)@covalent organic framework(COF)showed the highest photocatalytic activity with a turnover frequency(TOF)of 486 min−*** and density functional theory(DFT)calculations reveal that the high catalytic activity is mainly attributed to the strong electronic interactions between D–A type COF and ultrafine PtCo_(2)***,the D–A type COF can significantly enhance the light-trapping ability by fine-tuning the electron-acceptor type in the framework,and accelerate the photogenerated electron transfer from D–A type COF to PtCo_(2)nanocluster,which promotes the adsorption and activation of H_(2)O and AB molecules and accelerates hydrogen ***,PtCo_(2)@COF also exhibited ultra-high durability due to the significantly enhanced resistance to nanocluster aggregation caused by the nanopore confinement effect of D–A type *** believe that this work will provide a theoretical guide for the rational design of efficient D–A COFbased catalysts for photocatalysis.

关键词： light trapping electron transfer donor-acceptor covalent organic frameworks(D-A COFs) bimetallic nanoclusters photocatalysis

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Performances,mechanisms,and strategies for methane removal via gas biofiltration

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Frontiers of environmental science & engineering 2025年第5期19卷 141-162页

作者： Xin Wu Chunping Yang Yan Lin Xiang Li Shaohua Wu Piotr Rybarczyk Jacek Gebicki Academy of Environmental and Resource Sciences School of Environmental Science and EngineeringGuangdong University of Petrochemical TechnologyMaoming 525000China College of Urban and Environment Sciences Hunan Provincial Key Laboratory of Comprehensive Utilization of Agricultural and Animal Husbandry Waste ResourcesHunan University of TechnologyZhuzhou 412007China College of Environmental Science and Engineering Hunan University and Key Laboratory of Environmental Biology and Pollution Control(Hunan University)of Ministry of EducationChangsha 410082China School of Environmental Science and Engineering Hainan UniversityHaikou 570228China College of Chemistry and Chemical Engineering Hunan Normal UniversityChangsha 410081China Department of Process Engineering and Chemical Technology Faculty of ChemistryGdansk University of TechnologyGdansk 80-233Poland

Control of methane emissions has attracted widespread attention in the context of worldwide efforts to alleviate the greenhouse ***,a green and cost-effective treatment process,has been widely used for the purification of ***,there is still a lack of comprehensive information on methane ***,the state-of-the-art development trends of methane removal via biofiltration were comprehensively reviewed and commented *** of all,this article reviewed the mechanisms of methane removal and the possible degradation pathways in ***,the removal characteristics of single methane,methane mixed with volatile organic compounds or gaseous inorganic compounds by biofiltration,were summarized and ***,the practical applications of methane biofiltration were summed up and some inspirations were ***,the effective measures to improve the performance of methane biofiltration were put forward,and corresponding insights and future research directions for methane biofiltration were *** article can provide references for the practical applications of methane biofiltration and the mitigation of greenhouse effects.

关键词： Biofilter Methane VOC Greenhouse effect Carbon reduction

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Mobile mini-fluorimeter for antibiotic aptasensing based on surface-plasmonic effect of burlike nanogolds enhanced by digitized imaging diagnosis

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Chinese Chemical Letters 2024年第5期35卷 418-422页

作者： Tiantian Man Fulin Zhu Yaqi Huang Yuhao Piao Yan Su Shengyuan Deng Ying Wan School of Mechanical Engineering Nanjing University of Science and TechnologyNanjing 210094China Key Laboratory of Metabolic Engineering and Biosynthesis Technology Ministry of Industry and Information TechnologySchool of Environmental and Biological EngineeringNanjing University of Science and TechnologyNanjing 210094China

Antibiotic abuse now poses a grave threat to global ecology and bestirs public concerns about the residue issue in daily *** traceability measurements along supply chain or logistic circulation have become increasingly essential given the labile nature of diverse synthetic residuals on *** an attempt to answer this urgency,here a miniaturized fluorometric aptasensor prototype was contrived that catered to the point-of-care screening norm for two typical additives:chloramphenicol and *** key target-indicating module worked in vitro based on the competitive binding-induced fluorescence recovery of fluorescein-labeled aptamers,which were photobleached beforehand in the format of double helix on burlike nanogold ***“prickly”geometry of the latter not just enriched the capture probes at preferentially substrate-accessible spires;but also contributed to a tip-enhanced surface plasmon effect,sensitizing the signal-on during the duplex dissociation even at nanomolar threshold of the *** the other hand,to encompass a full portable,a set of optical devices were mounted within a 3D-printed cartridge(adaptor)to converge the light beam and route it towards the detector,for which the smartphone camera came up in handy with a home-developed App for calibrating the emissive *** by the high-dynamic-range compression,an imaging diagnostic algorithm was built in to grid and digitize each slide in the album for augmented detection ***,a novel bio-to-silico integration was invented that capable of in situ rapid reporting on the antibiotic presence with high sensitivity and *** field practices in spiked milk on sales proved the precision and rudimentary feasibility of the well-assembled model of appliance,thus holding nice prospects in nonexpert(e.g.,family and local community)utilities for foodborne antibiotic identification.

关键词： Chloramphenicol and enrofloxacin Aptasensor Gold nanoburs Smartphone fluorimetric suite Digitized image postprocessing

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Synergistic enhancement of pollutant removal from high-salt wastewater using coagulation-flotation combined process

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Green Chemical engineering 2025年第3期6卷 410-419页

作者： Enze Li Jing Dong Yongsheng Jia Zihe Pan Hongzhou Lv Zhiping Du Guandao Gao Fangqin Cheng Institute of Resources and Environmental Engineering State Environmental Protection Key Laboratory of Efficient Utilization Technology of Coal Waste ResourcesShanxi Laboratory of Yellow RiverShanxi UniversityTaiyuan030006China School of Environmental Science&Engineering Huazhong University of Science and TechnologyWuhan430074China State Key Laboratory of Pollution Control and Resource Reuse School of EnvironmentNanjing UniversityNanjing210023China

Sufficient treatment of industrial organic wastewater with high salt and large amounts of suspended particulate matter remains a challenge *** this work,a novel coagulation-flotation combined process was developed to treat the suspended particles as well as significantly reduce organic pollutants content in the actual high-salt organic *** typical inorganic and organic flocculants(poly aluminum chloride(PAC),poly ferric sulfate(PFS),polyacrylamide(PAM),and modified cationic starch(CS))were selected for compounding to obtain an optimized flocculation system for high-salt *** results showed that the PAC-PAM with a 10:1 ratio in mass exhibited the best coagulation behaviors with the removal efficiency of turbidity and chemical oxygen demand(COD)being 95.33%and 9.21%,respectively,under the optimal operation conditions,and the sedimentation process of coagulant conformed to the quasi-second-order *** PAC-PAM flocs exhibited stronger netting,sweeping,and adsorption bridging capabilities,which were conducive to removing suspended *** the flotation was conducted after coagulation,the COD decreased significantly by 20.82%.In addition,this combined process could reduce the treatment time by 50%compared to the process with only coagulation *** the flotation process,floc particles companies with hydrophobic polycyclic aromatic hydrocarbons could collide and adhere to microbubbles and be floated to the surface,resulting in an effective reduction of *** work could provide a novel strategy and step forward to design and optimize the pretreatment process engineering for organic high-salt wastewater.

关键词： High-salt organic wastewater Coagulation-flotation combined process Sedimentation kinetics Bubble-floc aggregate

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Bird skeleton-inspired 3D hollow diamond-enhanced PEG composite PCM for photothermal conversion and thermal management

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能源前沿（英文） 2025年第2期19卷 227-239页

作者： Zihao Zhao Xurui Feng Daili Feng Chengming Li Yanhui Feng Junjun Wei School of Energy and Environmental Engineering University of Science and Technology BeijingBeijing 100083China Institute for Advanced Materials and Technology University of Science and Technology BeijingBeijing 100083China School of Energy and Environmental Engineering University of Science and Technology BeijingBeijing 100083China Beijing Key Laboratory of Energy Conservation and Emission Reduction for Metallurgical Industry University of Science and Technology BeijingBeijing 100083China Institute for Advanced Materials and Technology University of Science and Technology BeijingBeijing 100083China Shunde Graduate School University of Science and Technology BeijingFoshan 528399China

The use of porous skeletons for encapsulating phase change materials(PCMs)is an effective approach to addressing issues such as leakage,low thermal conductivity,and poor photothermal conversion *** by the hollow skeletal structure found in birds in nature,high-quality 3D interconnected hollow diamond foam(HDF)was fabricated using a series of processes,including microwave plasma chemical vapor deposition(CVD),laser perforation,and acid *** HDF was then used as a scaffold to encapsulate *** results demonstrate that HDF significantly reduces the supercooling degree and latent heat discrepancy of *** to pure PEG2000,the thermal conductivity of the HDF/PEG increased by 378％,while its latent heat reached 111.48 J/g,accompanied by a photothermal conversion efficiency of up to 86.68％.The significant performance improvement is mainly attributed to the combination of the excellent properties of the diamond with the inherent advantages of the 3D interconnected structure in HDF,which creates a high-conductivity transport network ***,the HDF/PEG composite extends the temperature cycling time of electronic components by 4 times for heating and 2.3 times for cooling,thereby prolonging the operational lifetime of electronic ***/PEG offers an integrated solution for solar energy collection,photothermal conversion,heat dissipation in electronic components,and thermal energy transfer/*** innovative approach provides innovative ideas for the design and fabrication of composite PCMs and has great application potential,such as solar energy utilization,thermal management,and thermal energy storage.

关键词： phase change materials(PCMs) porous diamond photothermal conversion thermal management

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Progress in the construction strategy of noble metal active sites for zeolite-based PNA and VOCs catalysts

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Green Energy & Environment 2025年第4期10卷 709-732页

作者： Yuan Yao Haodan Cheng Guocai Zhong Xiaolong Tang Honghong Yi Shunzheng Zhao Fengyu Gao Qingjun Yu Department of Environmental Science and Engineering School of Energy and Environmental EngineeringUniversity of Science and Technology BeijingBeijing100083China Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants Beijing100083China PetroChina Sichuan Petrochemical Co. LtdSichuan611930China

Zeolite-loaded noble metal catalysts have demonstrated excellent performance in addressing cold-start automotive exhaust NOx emissions and catalytic oxidation of VOCs *** and Pt are the most commonly used active metals in PNA and VOC catalysts,***,despite the same metal/zeolite composition,the efficient active sites for PNA and VOC catalysts have been viewed as mainly Pd^(2+) and Pt^(0),respectively,both of which are different from each *** a result,various methods need to be applied to dope Pd and Pt in zeolitic support respectively for different *** matter which type of metal species is needed,the common requirement for both PNA and VOC catalysts is that the metal species should be highly dispersed in zeolite support and stay *** purpose of this paper is to review the progress of synthetic means of zeolite-coated noble metals(Pd,Pt,etc.)as effective PNA or VOC *** give a better understanding of the relationship between efficient metal species and the introduced methods,the species that contributed to the NOx adsorption(PNA)and VOCs deep catalytic oxidation were first summarized and ***,based on the above discussion,the detailed construction strategies for different active sites in PNA and VOC catalysts,respectively,were elaborated in terms of synthetic routes,precursor selection,and zeolite carrier *** is hoped that this will contribute to a better understanding of noble metal adsorption/catalysis in zeolites and provide promising strategies for the design of adsorption/catalysts with high activity,selectivity and stability.

关键词： Noble metal Zeolites Constructing strategy PNA VOCs

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