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Stable Cycling of All-Solid-State Lithium Batteries Enabled by Cyano-Molecular Diamond Improved Polymer Electrolytes

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Nano-Micro Letters 2024年第10期16卷 561-575页

作者： yang Dai Mengbing Zhuang Yi-Xiao Deng Yuan Liao Jian Gu Tinglu Song hao Yan Jin-cheng Zheng Department of Chemical Engineering Shanghai UniversityShangda Road 99Shanghai 200444People's Republic of China Department of Physics Xiamen UniversityXiamen 361005People's Republic of China Experimental Center of Advanced Materials School of Materials Science and Engineering Beijing Institute of TechnologyBeijing 100081People's Republic of China Department of Physics and Department of New Energy Science and Engineering Xiamen University Malaysia43900 SepangMalaysia

The interfacial instability of the poly(ethylene oxide)(PEO)-based electrolytes impedes the long-term cycling and further application of all-solid-state lithium metal *** this work,we have shown an effective additive 1-adaman-tanecarbonitrile,which con-tributes to the excellent per-formance of the poly(ethylene oxide)-based *** to the strong interaction of the 1-Adamantanecarboni-trile to the polymer matrix and anions,the coordination of the Li^(+)-EO is weakened,and the binding effect of anions is strengthened,thereby improving the Li^(+)conductivity and the electrochemical *** diamond building block on the surface of the lithium anode can sup-press the growth of lithium ***,the 1-Adamantanecarbonitrile also regulates the formation of LiF in the solid electrolyte interface and cathode electrolyte interface,which contributes to the interfacial stability(especially at high voltages)and protects the electrodes,enabling all-solid-state batteries to cycle at high voltages for long periods of ***,the Li/Li symmetric cell undergoes long-term lithium plating/stripping for more than 2000 h.1-Adamantanecarbonitrile-poly(ethylene oxide)-based LFP/Li and 4.3 V Ni_(0.8)Mn_(0.1)Co_(0.1)O_(2)/Li all-solid-state batteries achieved stable cycles for 1000 times,with capacity retention rates reaching 85%and 80%,respectively.

关键词： 1-Adamantanecarbonitrile(ADCN) Poly(ethylene oxide) All-solid-state batteries Interfacial stability High voltage

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Effect of micro-Al_(2)O_(3) powders on oxidation and corrosion behaviors of low-carbon MgO-C refractories

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Journal of Iron and Steel Research International 2024年第6期31卷 1522-1534页

作者： yang Chen Zeng-yi Li hao-bo Tan Yu-ran Fu Jun Ding cheng-ji Deng Chao Yu School of Materials Science and Engineering Hunan Institute of TechnologyHengyang 421002HunanChina The State Key Laboratory of Refractories and Metallurgy Wuhan University of Science and TechnologyWuhan 430081HubeiChina

To solve the problem of poor high-temperature service performance caused by low carbonization of MgO-C refractories,low-carbon MgO–C refractories with excellent thermal shock,oxidation and corrosion resistances were successfully designed by using SiC whiskers as reinforcing phases and introducing micro-Al_(2)O_(3) powders as *** results indicated that the addition of micro-Al_(2)O_(3) powders optimized the internal structure of the material,like the columnar β-Si_(3)N_(4) with a stepped distribution and the mosaic structure formed between granular and flaky Mg_(2)SiO_(4),which synergistically strengthened and toughened the material and gave the material excellent mechanical properties and thermal shock ***,the cold modulus of rupture and cold crushing strength after thermal shock were increased by 4.1 and 20.3 MPa,***,the addition of micro-Al_(2)O_(3) powders promoted the formation of fine particles of Mg_(2)SiO_(4),MgAl_(2)O_(4) and MgO,as well as a dense protective layer of Mg_(2)SiO_(4) in the material under high-temperature ***,spinel and high-temperature solid solution were formed in the corrosion *** oxidation and corrosion resistances were greatly improved by 41%and 15%,respectively.

关键词： Low-carbon MgO-C refractory Oxidation resistance Corrosion resistance Thermal shock resistance Micro-Al_(2)O_(3)powder

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Constructing core@shell structured photothermal nanosphere with thin carbon layer confined Co-Mn bimetals for pollutant degradation and solar interfacial water evaporation

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Rare Metals 2024年第4期43卷 1686-1701页

作者： Hong-yang Zhu Meng-Ting Liu Gang Wang Rong-Rong Du Hong-Yao Zhao hao Lu Shi-Qi yang Sheng Tang Zeng-Jing Guo Jun yang cheng-Zhang Zhu Fu yang School of Environmental and Chemical Engineering Jiangsu University of Science and TechnologyZhenjiang212003China School of Chemistry and Chemical Engineering Liaocheng UniversityLiaocheng252000China School of Material Science and Engineering Jiangsu University of Science and TechnologyZhenjiang212003China School of Environmental Science and Engineering Nanjing Tech UniversityNanjing210009China

Photothermal material applied in environmental governance has attracted growing *** combining the Stober method and dopamine-triggered coating strategy,Co-Mn precursor was in situ incorporated into the poly dopamine(PDA)layer over the surface of silica ***,a unique photothermal nanosphere with SiO_(2)core and thin carbon layer and dual Co-Mn oxides shell was allowed to form by sequential heat treatment in the inert atmosphere(SiO_(2)@CoMn/C).The bimetallic fraction of Co/Mn in the carbon layer and post-treatment calcination temperature was comprehensively tuned to optimize the peroxymonosulfate(PMS)activation performance of the *** state of bimetallic species was studied including their physical distribution,chemical valence,and interplay by various ***,Co oxides appear as dominant monodispersed nanoparticles(~10 nm),while Mn with cluster-like morphology is observed to uniformly distribute over thin-layer carbon and adhered to the surface of SiO_(2)nanospheres(~250 nm).The calcined temperature could tune the oxidized state of Co species,leading to the optimization of the catalytic performance of introduced dual metal *** a result,this obtained optimal catalyst integrated the advantages of exposed bimetallic CoMn species and N-doped thin carbon to deliver excellent catalytic PMS activation performance and photothermal synergetic catalytic mineralization ability for diversiform *** reactions condition controls and anion interference studies were conducted to identify the adaptability of the optimal ***,the application of solar-driven interfacial water evaporation using optimal SiO_(2)@Co_3Mn_1/C-600 catalyst was explored,showing a high water evaporation rate of 1.48 kg·m^(-2)·h^(-1)and an efficiency of 95.2%,further revealing a comprehensive governance functionality of obtained material in the complex pollution condition.

关键词： Photothermal Peroxymonosulfate(PMS)activation Bimetallic synergy Water evaporation Advanced oxidation process

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疏水SiO_(2)粒子的设计、制备及改性环氧树脂的研究

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高分子学报 2023年第12期54卷 1844-1856页

作者：彭勃杨进杨程皓暨南大学环境与气候研究院广州511443 华南理工大学轻工科学与工程学院、造纸与污染控制国家工程研究中心、制浆造纸国家重点实验室广州510640 Ira A.Fulton Schools of Engineering Arizona State UniversityPhoenix 85281

为了制备具有稳定超疏水性能的水性环氧树脂,以3-氨丙基三乙氧基硅烷(KH550)、γ-缩水甘油醚氧丙基三甲氧基硅烷(KH560)的碱性水解反应为基础,制备不同粒径(微米、亚微米、纳米)的改性二氧化硅,通过层层组装的接枝反应制备出具有多尺度... 详细信息

为了制备具有稳定超疏水性能的水性环氧树脂,以3-氨丙基三乙氧基硅烷(KH550)、γ-缩水甘油醚氧丙基三甲氧基硅烷(KH560)的碱性水解反应为基础,制备不同粒径(微米、亚微米、纳米)的改性二氧化硅,通过层层组装的接枝反应制备出具有多尺度效应的草莓状SiO_(2)多重粒子.同时,作为对比,制备表面光滑的单包覆层的疏水SiO_(2).通过红外光谱(FTIR)、核磁共振氢谱(NMR)、高分辨质谱(HRMS)等测试手段表征其结构,解析两类粒子的微观形貌和表面性能的异同.将自制改性粒子与水性环氧树脂WEP共混,在涂层表面构建粗糙的微纳结构,制备具有超疏水性能的水性环氧树脂涂料.采用示差扫描量热分析(DSC)和热重分析(TGA)表征涂料的共混性能及耐热性能;采用扫描电镜(SEM)和原子力测试(AFM)量化分析涂层特征及其表面形貌;采用接触角测试(WCA)表征水性涂层的超疏水性能及其表面能的变化规律.结果显示,相对于单层包覆的光滑粒子,多层次结构的改性SiO_(2)粒子迁移到环氧树脂表面,构建的微纳结构更有利于超疏水性能的形成,涂层具有明显的自清洁效应,而形成的粗糙涂层表面在苛刻环境中保持了结构的稳定性和持久性,体现出优异的耐磨和耐化学腐蚀性能.

关键词：粒子设计水性环氧树脂超疏水微纳结构自组装

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In-situ defect passivation assisted three-step printing of efficient and stable formamidine-lead bromide solar cells

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Journal of Energy Chemistry 2024年第9期96卷 396-405页

作者： Hang yang Tao Zhou haoyu Cai Wenjian Shen hao Chen Yongjun Liu Juan Zhao Yi-Bing cheng Jie Zhong State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070HubeiChina Foshan Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong Laboratory Foshan 528216GuangdongChina School of Automobile Engineering Wuhan University of TechnologyWuhan 430070HubeiChina

Perovskite solar cells(PSCs)emerge as the most promising photovoltaics(PV)for their high performance and potential convenient cost-effective production routes comparing to the sophomore PV *** printed PSCs with simplified device architecture and fabrication procedures could further enhance the competitive strength of PSC *** this work,we present an in-situ defect passivation(ISDP)assisted full-printing of high performance formamidine-lead bromide(FAPbBr_(3))*** three rapid printing steps are involved for electron transporting layer(ETL),perovskite and carbon to form a complete solar cell on the low-cost fluorine-doped tin oxide(FTO)***-chain polymer monomethyl ether polyethylene glycol is particularly utilized as the ISDP passivator,leading to conformal coating on the rough FTO and defect passivation for both ETL and perovskite during printing.A high efficiency of 10.85%(certified 10.14%)and a high V_(oc)up to 1.57 V are achieved for the printed *** unencapsulated PSCs maintain above 90%of the initial efficiency after continuously heating at 85℃for 1000 h and over 80%of the efficiency after the maximum power point tracking for 3500 *** fully printed semitransparent PSCs with carbon grids(CGs)show average visible light transmittance over 33%and an efficiency of 8.81%.

关键词： Formamidinium lead bromide Fully printed Lowcosts Carbon electrode Semitransparent

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A non-viral gene therapy for melanoma by staphylococcal enterotoxin A

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Chinese Chemical Letters 2024年第5期35卷 325-329页

作者： Ling yang Min Ren Jie Wang Liming He Shanshan Wu Shuai yang Wei Zhao hao cheng Xiaoming Zhou Maling Gou State Key Laboratory of Biotherapy and Cancer Center West China HospitalSichuan UniversityChengdu 610041China Department of Ophthalmology West China HospitalSichuan UniversityChengdu 610041China State Key Laboratory of Biotherapy Department of Integrated Traditional Chinese and Western MedicineRare Diseases CenterWest China HospitalSichuan UniversityChengdu 610041China

Staphylococcal enterotoxin A(SEA)derived from Staphylococcus aureus,as a superantigen,shows potential for cancer immunotherapy,but systemic immunotoxicity restricts its clinical *** delivery of SEA to tumor site provides a promising option for reducing the systemic ***,we constructed an iRGD peptide(H-[Cys-Arg-Gly-Asp-Lys-Gly-Pro-Asp-Cys]-NH_(2))modified nanoparticle(iDPP)to deliver plasmids encoding SEA for melanoma *** iDPP/SEA nanocomplexes efficiently mediated SEA expression in B16-F10 cells in vivo and in vitro and induced the activation of lymphocytes and maturation of murine bone marrow-derived dendritic cells(BMDCs)in *** the subcutaneous B16-F10 melanoma model,the iDPP/SEA nanocomplexes could effectively enhance immune response and T lymphocytes infiltration in tumor site after intravenous administration,thereby considerably decreased melanoma ***,no obvious adverse effect was observed after intravenous administration of the iDPP/SEA nanocomplexes in *** findings demonstrated that gene therapy of SEA is a potential candidate for melanoma treatment.

关键词： Gene therapy Superantigen Melanoma Staphylococcal enterotoxins A Immunotherapyene therapy

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Cleaner production of 3.5 valent vanadium electrolyte from ammonium metavanadate by ammonia reduction-sulfuric acid dissolution method

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Tungsten 2024年第3期6卷 555-560页

作者： cheng Wang Lan-Jie Li hao Du College of Chemical Engineering University of Chinese Academy of Sciences Institute of Process Engineering National Engineering Research Center of Green Recycling for Strategic Metal Resources Chinese Academy of Sciences Hesteel Group Company Limited

The vanadium redox flow battery(VRFB) has been widely used in large-scale energy storage areas due to the advantages of long lifespan and high safety. However, the high preparation cost of vanadium electrolyte limits ... 详细信息

关键词： Ammonia

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Changes in visual performance after implantation of different intraocular lenses

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International Journal of Ophthalmology(English edition) 2024年第7期17卷 1273-1282页

作者： Bo-Wen Li hao Huang Man-Sha Huang Shuang-Lin Guo Lu Gao Yu-Ying Zeng Lu cheng Si-yang Yao Jian-Qiang Lin Lin Liu Ye yang Xiao-Ming Lu hao cheng Department of Ophthalmology the First Affiliated Hospital of Guangzhou Medical UniversityGuangzhou Medical UniversityGuangzhou 510000Guangdong ProvinceChina Eye Center of Xiangya Hospital Hunan Key Laboratory of OphthalmologyCentral South UniversityChangsha 410008Hunan ProvinceChina Department of Ophthalmology Zhuzhou Hospital Affiliated to Xiangya School of MedicineCentral South UniversityZhuzhou 412000Hunan ProvinceChina State Key Laboratory of Ophthalmology Zhongshan Ophthalmic CenterSun Yat-sen UniversityGuangdong Provincial Key Laboratory of Ophthalmology and Visual ScienceGuangzhou 510060Guangdong ProvinceChina Department of Ophthalmology Guangzhou Red Cross HospitalJinan UniversityGuangzhou 510000Guangdong ProvinceChina AIER Eye Hospital Jinan UniversityGuangzhou 510180Guangdong ProvinceChina

AIM:To evaluate the trending visual performance of different intraocular lenses(IOLs)over time after ***:Ninety-one patients received cataract surgery with implantations of monofocal(Mon)IOLs,segmental refractive(SegRef)IOLs,diffractive(Dif)IOLs,and extendeddepth-of-focus(EDoF)IOLs were *** aberrations and optical quality collected with iTrace and OQAS within postoperative 6mo were followed and ***:Most of the visual parameters improved over the postoperative *** postoperative visual acuity(POVA)of the Mon IOL,SegRef IOL,and EDoF IOL groups achieved relative stability in earlier states compared with the Dif IOL ***,the overall visual performance of the 3 IOLs continued to upturn in small extents within the postoperative *** optical quality initially improved in the EDoF IOL group,then in the Mon IOL,SegRef IOL,and Dif IOL *** and objective visual performance of the Mon IOL and EDoF IOL groups,as well as POVA and visual quality of the Dif IOL group,improved in the postoperative 1mo and *** the postoperative 6mo,gradual improvements were observed in the visual acuity and objective visual performance of the SegRef IOL group,as well as in the postoperative optical quality of the Dif IOL ***:The visual performance is different among eyes implanted with different *** findings of the current study provide a potential reference for ophthalmologists to choose suitable IOLs for cataract patients in a personalized solution.

关键词： intraocular lenses visual performance changing characteristics high-order wavefront aberration

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Effects of content and particle size of TiH2 powders on the energy output rules of RDX composite explosives

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Defence Technology（防务技术） 2024年第2期32卷 297-308页

作者： hao Wang yangfan cheng Shoujun Zhu Zihan Li Zhaowu Shen School of Chemical Engineering Anhui University of Science and TechnologyHuainan 232001China Anhui Engineering Laboratory of Explosive Materials and Technology Anhui University of Science and TechnologyHuainan 232001China School of Engineering Science University of Science and Technology of ChinaHefei 230027China

In order to improve the detonation characteristics of RDX,a RDX-based composite explosive with TiH_(2)powders was *** effects of content and particle size of TiH_(2)powders on thermal safety,shock wave parameters and thermal damage effects of RDX-based composite explosive were studied with the C80 microcalorimeter,air blast experiment system and colorimetric thermometry *** results showed that TiH_(2)powders could enhance the thermal stability of RDX-based composite explosive and increase its ultimate decomposition *** content and particle size of TiH_(2)powders also had significant effects on the thermal safety,detonation velocity,shock wave parameters,fireball temperature and duration of RDX-based composite ***,the differences of TiH_(2)and Ti powders on the detonation energy output rules of RDX-based composite explosives were also compared,showing that TiH_(2)powders had better influences on improving the explosion power and thermal damage effect of RDX-based composite explosives than Ti powders,for the participation of free H_(2)released by TiH_(2)powders in the detonation ***_(2)powders have important research values as a novel energetic additive in the field of military composite explosives.

关键词： RDX Hydrogen storage alloy Air blast After-burn reaction Colorimetric thermometry

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Design strategy and relevant flow mechanisms of highly loaded 3D compressor tandem cascades

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Chinese Journal of Aeronautics 2024年第7期37卷 220-235页

作者： Xiaochen MAO Yunyu WANG Zhihua DING hao cheng Bo LIU School of Power and Energy Northwestern Polytechnical UniversityXi’an 710129China The National Key Laboratory of Science and Technology on Aerodynamic Design and Research Xi’an 710129China Xi’an Thermal Power Research Institute Co.Ltd Xi’an 710072China

To investigate the design strategy of highly loaded tandem cascades at both the midspan and endwall,the overall performance and flow mechanisms of four typical tandem cascades based on the optimization were analyzed from multiple perspectives *** results show that the interference effects on the Front Blade(FB)and Rear Blade(RB)should not be overlooked during the design phase,and the design strategies at the midspan and endwall are completely *** the midspan,the optimization aims to increase the interference effects and the strength of the gap jet while maintaining the same load on the FB and ***,the endwall optimal airfoil exhibits weakening interference effects,advancement of the gap jet location,and load transfer from the FB to *** further analysis of flow characteristics,the midspan optimal airfoil is beneficial for inhibiting the low-energy fluid from interacting with the suction surface of RB under the design condition,but results in earlier occurrence of corner *** endwall optimal airfoil helps suppress the development of the secondary flow and delay the onset of corner ***,by combining the benefits of these two design approaches,additional forward sweep effects are achieved,further enhancing the performance of the tandem cascade.

关键词： Tandem cascade Interference effect Vortex structure Load split Compressor

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