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Microwave-accelerated direct regeneration of LiCoO_(2)cathodes for Li-ion batteries

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science china Chemistry 2024年第7期67卷 2181-2189页

作者： Xueshan Hu Yun-Chao Yin Chao Li Lihui zhou Lin Yang Yitian Feng Daxian Zuo Chenhui Ning Das Soham Sheng Dai Longbin Qiu Lin Zeng Haw Jiunn Woo Jiayu Wan Future Battery Research Center Global Institute of Future TechnologyShanghai Jiao Tong UniversityShanghai 200240China department of Mechanical and Energy engineering Southern University of Science and TechnologyShenzhen 518055China Centre for Ionics university of Malaya Department of PhysicsFaculty of ScienceUniversity of MalayaKuala Lumpur 50603Malaysia Key Laboratory for Advanced materials and Feringa Nobel Prize Scientist Joint Research Center School of Chemistry and Molecular EngineeringEast China University of Science and TechnologyShanghai 200237China department of Natural and Applied sciences Duke Kunshan UniversityKunshan 215316China

Recycling spent lithium-ion batteries is integral to today's low-carbon environmental protection *** concept of direct regeneration,acknowledged for its environmental sustainability,economic viability,and consistent performance of recycled materials,is gaining *** study presents an efficient and nondestructive approach by utilizing an ultrafast microwave technology to directly regenerate spent lithium cobaltate(LCO)cathode *** contrast to conventional furnacebased processes,this method significantly reduces the regeneration *** subjecting the spent LCO mixed with lithium sources to three microwave heating cycles(at approximately 1,350 K),LCO regeneration is achieved,yielding a specific capacity of 140.8 mAh g^(-1)(0.2 C)with a robust cycle *** further environmental and economic benefits,the ultrafast microwave technology holds scientific promise for directly regenerating cathode materials,while establishing competitiveness for industrial applications.

关键词： battery recycling spent lithium cobaltate microwave directly regeneration cathode materials

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电子衍射花样的计算机辅助标定和模拟

理化检验.物理分册 1987年第5期 27-32页

作者：王永瑞卢党吾胡庚祥方莲华上海交通大学材料科学及工程系

本文介绍透射电子衍射花样的计算机辅助标定和模拟。编写了供物相电子衍射分析用的倒易平面基本特征平行四边形数据计算和绕一系列倾斜轴系统倾斜标准电子衍射花样模拟的计算机程序,提出了处理晶体结构中系统消光的新方法。以Fe3C和Cr7C... 详细信息

本文介绍透射电子衍射花样的计算机辅助标定和模拟。编写了供物相电子衍射分析用的倒易平面基本特征平行四边形数据计算和绕一系列倾斜轴系统倾斜标准电子衍射花样模拟的计算机程序,提出了处理晶体结构中系统消光的新方法。以Fe3C和Cr7C3碳化物的电子衍射花样为例进行计算和模拟,得到满意的结果。

关键词：电子衍射花样物相平行四边形计算机辅助机助结构消光阵点系统消光计算机程序

In situ radiographic study of the grain refining behavior of Al_(3)Sc during the solidification of Al-10Cu alloy

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Journal of materials science & Technology 2022年第27期122卷 33-43页

作者： Yue Wu Yang Tang Ya Zhang Yanan Fu Hui xing jiao Zhang Jun Jiang Baode Sun shanghai Key Lab of Advanced High-Temperature materials and Precision Forming Shanghai Jiao Tong UniversityShanghai 200240PR China shanghai Synchrotron Radiation Facility Shanghai Institute of Applied PhysicsCASShanghai 201204PR China State Key Lab of Metal Matrix Composites Shanghai Jiao Tong UniversityShanghai 200240PR China Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration Shanghai Jiao Tong UniversityShanghai 200240PR China Mechanical engineering department Imperial College LondonLondon SW72AZUK

Grain refinement of Al alloys inoculated by rare earth elements,such as Sc,has been extensively acknowledged,while the practical behavior of how inoculant Al_(3)Sc particles affect the refinement in solidification has not been clarified due to the non-transparency of the solidification ***,the microstructural evolution of primary Al_(3)Sc particles andα-Al grains in Al-10 wt.%Cu alloy solidifications with 0.2 wt.%,0.6 wt.%,and 1.0 wt.%Sc additions was investigated by in situ synchrotron X-ray *** detailed mechanisms of curve motion of grains(CMG)and melt convection were *** efficient grains nucleation,uniformly scattered small initial grains,and long duration of melt convection contributed to the best refinement in the 0.6 wt.%Sc addition *** work provides a deep insight into grain refinement in solidification with Sc addition,which will enlighten the composition design and casting process of Al alloys inoculated by rare earth elements.

关键词： Radiography Solidification Melt convection Curve motion of grains Grain refining

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Naked-eye visualization of lymph nodes using fluorescence nanoprobes in non-human primate-animal models

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Nano Research 2024年第8期17卷 7404-7414页

作者： Xiaoyuan Ji Binbin Chu Xiaofeng Wu Zhiming Xia Airui Jiang Chenyu Wang Zhiming Chen Danni Zhong Qiaolin Wei Bin Song Wanlin Li Yiling Zhong Houyu Wang Fenglin Dong Min zhou Yao He Suzhou Key Laboratory of Nanotechnology and Biomedicine Jiangsu Key Laboratory for Carbon-Based Functional Materials&DevicesInstitute of Functional Nano and Soft Materials(FUNSOM)Soochow UniversitySuzhou 215123China School of Public Health Shanghai Jiao Tong University School of MedicineShanghai 200025China Zhejiang university-university of Edinburgh Institute(ZJU-UoE Institute) Zhejiang UniversityHaining 314400China department of Ultrasound the First Affiliated Hospital of Soochow UniversitySuzhou 215006China State Key Laboratory(SKL)of Biobased Transportation Fuel Technology Zhejiang UniversityHangzhou 310027China School of Pharmacy Hangzhou Normal UniversityHangzhou 311121China Macao Translational Medicine Center Macao University of Science and TechnologyTaipa 999078MacaoChina Macao Institute of materials science and engineering Macao University of Science and TechnologyTaipa 999078MacaoChina

Despite sufficient studies performed in non-primate animal models,there exists scanty information obtained from pilot trials in non-human primate animal models,severely hindering nanomaterials moving from basic research into clinical *** herein present a pioneering demonstration of nanomaterials based optical imaging-guided surgical operation by using macaques as a typical kind of non-human primate-animal ***,taking advantages of strong and stable fluorescence of the small-sized(diameter:~5 nm)silicon-based nanoparticles(SiNPs),lymphatic drainage patterns can be vividly visualized in a real-time manner,and lymph nodes(LN)are able to be sensitively detected and precisely excised from small animal models(e.g.,rats and rabbits)to non-human primate animal models(e.g.,cynomolgus macaque(Macaca fascicularis)and rhesus macaque(Macaca mulatta)).Compared to clinically used invisible near-infrared(NIR)lymphatic tracers(i.e.,indocyanine green(ICG);etc.),we fully indicate that the SiNPs feature unique advantages for naked-eye visible fluorescence-guided surgical operation in long-term *** toxicological analysis in macaque models further provides confirming evidence of favorable biocompatibility of the SiNPs *** expect that our findings would facilitate the translation of nanomaterials from the laboratory to the clinic,especially in the field of cancer treatment.

关键词： fluorescent silicon nanoparticles lymph node real-time naked-eye visualization macaque models

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分子电子器件的现状与展望

高分子材料科学与工程 1988年第6期 10-22页

作者：徐军黄建兵上海交通大学高分子材料研究所上海交通大学高分子材料研究所

随着半导体器件尺寸的不断缩小,在分子水平上制作开关元件的可能性已开始出现。考虑到分子尺寸只有20～1000（?）,因此可望开关密度将达到1015～1018bit/cm3这一惊人的容量。本文将着重讨论最近在利用功能高分子和有机化合物制作分子电... 详细信息

随着半导体器件尺寸的不断缩小,在分子水平上制作开关元件的可能性已开始出现。考虑到分子尺寸只有20～1000（?）,因此可望开关密度将达到1015～1018bit/cm3这一惊人的容量。本文将着重讨论最近在利用功能高分子和有机化合物制作分子电子器件方面的纯理论研究情况,其中包括分子整流器以及三个最有希望的开关现象中的两个,即短周期阵列的电子隧道和共轭体系的孤子开关。为了看这些开关元件组合起来的情况,我们还给出了一个孤子记忆元件的例子。

关键词：分子电子器件开关元件高分子链分子尺寸尺寸范围固态电子学费米能级隧道效应共轭体系电子能

Ordered mesoporous nanofibers mimicking vascular bundles for lithium metal batteries

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National science Review 2024年第5期11卷 291-302页

作者： Xiaohang Zhu Mengmeng Liu Fanxing Bu Xin-Yang Yue Xiang Fei Yong-Ning zhou Anqi Ju Jianping Yang Pengpeng Qiu Qi Xiao Chao Lin Wan Jiang Lianjun Wang Xiaopeng Li Wei Luo State Key Laboratory for Modification of Chemical Fibers and Polymer materials Institute of Functional Materials College of Materials Science and Engineering Donghua University Institute for Conservation of Cultural Heritage Shanghai University Frontiers science Center for Transformative Molecules School of Chemistry and Chemical EngineeringShanghai Jiao Tong University department of materials science Fudan University

Hierarchical self-assembly with long-range order above centimeters widely exists in nature. Mimicking similar structures to promote reaction kinetics of electrochemical energy devices is of immense interest, yet remains challenging. Here, we report a bottom-up self-assembly approach to constructing ordered mesoporous nanofibers with a structure resembling vascular bundles via electrospinning. The synthesis involves self-assembling polystyrene（PS） homopolymer, amphiphilic diblock copolymer, and precursors into supramolecular micelles. Elongational dynamics of viscoelastic micelle solution together with fast solvent evaporation during electrospinning cause simultaneous close packing and uniaxial stretching of micelles, consequently producing polymer nanofibers consisting of oriented micelles. The method is versatile for the fabrication of large-scale ordered mesoporous nanofibers with adjustable pore diameter and various compositions such as carbon, SiO2, TiO2and WO3. The aligned longitudinal mesopores connected side-by-side by tiny pores offer highly exposed active sites and expedite electron/ion transport. The assembled electrodes deliver outstanding performance for lithium metal batteries.

关键词： ordered mesoporous nanofibers electrospinning oriented micelles lithium metal batteries

Reactive oxygen species-scavenging nanoparticles coated with chondroitin sulfate protect cartilage against osteoarthritis in vivo

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Nano Research 2023年第2期16卷 2786-2797页

作者： Zhaoyi Wang Hao Xiong Zihe Zhai Yuejun Yao tong zhou Haolan Zhang Cunyi Fan Changyou Gao MOE Key Laboratory of Macromolecular Synthesis and Functionalization International Research Center for X PolymersDepartment of Polymer Science and EngineeringZhejiang UniversityHangzhou 310027China department of Orthopedics Shanghai Jiao Tong University Affiliated Sixth People’s HospitalShanghai 200233China Center for Healthcare materials Shaoxing InstituteZhejiang UniversityShaoxing 312035China department of Orthopedics The Second Affiliated HospitalZhejiang University School of MedicineHangzhou 310009China shanghai engineering Research Center for Orthopaedic Material Innovation and Tissue Regeneration Building 3Langu Science and Technology ParkLane 70Haiji 6th RoadShanghai 201306China

Osteoarthritis(OA)is a prevalent chronic inflammatory disease in *** interventions confront systemic toxicity and insufficient *** unbalanced microenvironment of OA joints mainly fosters over-expressed reactive oxygen species(ROS),extracellular matrix disintegration,and apoptosis of *** this study,a kind of ROS-scavenging,biodegradable and drug-free nanoparticles(PP NPs)were constructed by the crosslinking of poly(propylene fumarate)(PPF)and ROS-scavenging poly(thioketal)(PTK).The high content of PTK and high crosslinking density of PPF and PTK innovatively endowed the NPs with slow degradation and prolonged ROS-elimination *** NPs were further surface-modified with chondroitin sulfate(CS),one of the dietary supplements for *** intrinsic properties of resultant PP-CS NPs were excavated in vitro and in *** PP-CS NPs could desirably consume 1,10-diphenyl-2-picrylhydrazyl(DPPH)radicals without toxicity to RAW264.7 cells in *** an average diameter of~300 nm,the PP-CS NPs could be intra-articular administrated in OA rats and showed prolonged joint retention time,allowing only one injection per ***,the PP-CS NPs possessed a prolonged ROS depletion and M2 macrophage induction effect,down-regulated inflammatory cytokines,and reduced glycosaminoglycans ***,the PP-CS NPs protected articular surface erosion,inhibited uneven cartilage matrix,and attenuated OA progression.

关键词： reactive oxygen species polythioketal osteoarthritis nanoparticles chondroitin sulfate

Measurement of solar pp neutrino flux using electron recoil data from PandaX-4T commissioning run

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chinese Physics C 2024年第9期48卷 1-7,300页

作者： Xiaoying Lu Abdusalam Abdukerim Zihao Bo Wei Chen Xun Chen Yunhua Chen Chen Cheng Zhaokan Cheng Xiangyi Cui Yingjie Fan Deqing Fang Lisheng Geng Karl Giboni Xuyuan Guo Chencheng Han Ke Han Changda He Jinrong He Di Huang Junting Huang zhou Huang Ruquan Hou Yu Hou Xiangdong Ji Yonglin Ju Chenxiang Li Jiafu Li Mingchuan Li Shuaijie Li Tao Li Qing Lin Jianglai Liu Congcong Lu Lingyin Luo Yunyang Luo Wenbo Ma Yugang Ma Yajun Mao Yue Meng Xuyang Ning Binyu Pang Ningchun Qi Zhicheng Qian Xiangxiang Ren Nasir Shaheed Xiaofeng Shang Xiyuan Shao Guofang Shen Manbin Shen Lin Si Wenliang Sun Yi Tao Anqing Wang Meng Wang Qiuhong Wang Shaobo Wang Siguang Wang Wei Wang Xiuli Wang Xu Wang zhou Wang Yuehuan Wei Mengmeng Wu Weihao Wu Yuan Wu Mengjiao Xiao Xiang Xiao Kaizhi Xiong Binbin Yan Xiyu Yan Yong Yang Chunxu Yu Ying Yuan Zhe Yuan Youhui Yun Xinning Zeng Minzhen Zhang Peng Zhang Shibo Zhang Shu Zhang Tao Zhang Wei Zhang Yang Zhang Yingxin Zhang Yuanyuan Zhang Li Zhao Jifang zhou Ning zhou Xiaopeng zhou Yubo zhou Zhizhen zhou Research Center for Particle science and Technology Institute of Frontier and Interdisciplinary ScienceShandong UniversityQingdao 266237China Key Laboratory of Particle Physics and Particle Irradiation of Ministry of Education Shandong UniversityQingdao 266237China School of Physics and Astronomy Shanghai Jiao Tong UniversityKey Laboratory for Particle Astrophysics and Cosmology(MoE)Shanghai Key Laboratory for Particle Physics and CosmologyShanghai 200240China New Cornerstone science Laboratory Tsung-Dao Lee InstituteShanghai Jiao Tong UniversityShanghai 200240China shanghai jiao tong university Sichuan Research Institute Chengdu 610213China Jinping Deep Underground Frontier science and Dark Matter Key Laboratory of Sichuan Province Liangshan 615000China Yalong River Hydropower Development Company Ltd.288 Shuanglin RoadChengdu 610051China School of Physics Sun Yat-Sen UniversityGuangzhou 510275China Sino-French Institute of Nuclear engineering and Technology Sun Yat-Sen UniversityZhuhai 519082China department of Physics Yantai UniversityYantai 264005China Key Laboratory of Nuclear Physics and Ion-beam Application(MOE) Institute of Modern PhysicsFudan UniversityShanghai 200433China School of Physics Beihang UniversityBeijing 102206China Beijing Key Laboratory of Advanced Nuclear materials and Physics Beihang UniversityBeijing 102206China Peng Huanwu Collaborative Center for Research and Education Beihang UniversityBeijing 100191China Southern Center for Nuclear-science Theory(SCNT) Institute of Modern PhysicsChinese Academy of SciencesHuizhou 516000China School of Mechanical engineering Shanghai Jiao Tong UniversityShanghai 200240China department of Physics University of MarylandCollege ParkMaryland 20742USA State Key Laboratory of Particle Detection and Electronics University of Science and Technology of ChinaHefei 230026China department of Modern Physics University of Science and Technology of ChinaHefei 230026China School of Physics Peking UniversityBeijing 100871Ch

The proton-proton(pp)fusion chain dominates the neutrino production in the *** uncertainty of the predicted pp neutrino flux is at the sub-percent level,whereas that of the best measurement is O(10%).In this study,for the first time,we measure solar pp neutrinos in the electron recoil energy range from 24 to 144 keV using the PandaX-4T commissioning data with 0.63 tonne×year *** pp neutrino flux is determined as(8.0±3.9(stat)±10.0(syst))×1010 s^(-1)cm^(-2),which is consistent with the Standard Solar Model and existing measurements,corresponding to an upper flux limit of 23.3×10^(10)s^(-1)cm^(-2)at 90%C.L..

关键词： solar pp neutrino flux PandaX-4T electron recoil spectrum

Bioprinted constructs that simulate nerve-bone crosstalk to improve microenvironment for bone repair

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Bioactive materials 2023年第9期27卷 377-393页

作者： Tianchang Wang Wentao Li Yuxin Zhang Xiang Xu Lei Qiang Weiqiang Miao Xiaokun Yue Xin jiao Xianhao zhou Zhenjiang Ma Shuai Li Muliang Ding Junfeng Zhu chi Yang Hui Wang Tao Li Xin Sun Jinwu Wang shanghai Key Laboratory of Orthopedic Implant Department of Orthopedic SurgeryShanghai Ninth People’s HospitalShanghai Jiao Tong University School of MedicineNo.639 Zhizaoju RoadShanghai200011China Sports Medicine department Beijing Key Laboratory of Sports InjuriesPeking University Third HospitalNo.49North Garden RoadHaidian DistrictBeijing100191China Peking university Institute of Sports Medicine No.49North Garden RoadHaidian DistrictBeijing100191China department of Oral Surgery Shanghai Ninth People’s HospitalShanghai Jiao Tong University School of MedicineCollege of StomatologyShanghai Jiao Tong UniversityNational Center for StomatologyNational Clinical Research Center for Oral DiseasesShanghai Key Laboratory of StomatologyShanghai200011China School of materials science and engineering Southwest Jiaotong UniversityChengdu610031China department of Orthopedics The First Affiliated HospitalZhejiang University School of Medicine79 Qingchun RdHangzhou310003China department of Orthopaedics The Second Xiangya HospitalCentral South UniversityChangsha410001HunanChina Institute of Rehabilitation Medicine School of Rehabilitation ScienceShanghai University of Traditional Chinese MedicineEngineering Research Center of Traditional Chinese Medicine Intelligent RehabilitationMinistry of EducationShanghai201210China department of Orthopedic Surgery Xin Hua Hospital Affiliated with Shanghai Jiao Tong University School of MedicineNo.1665Kongjiang RoadShanghai200092China

Crosstalk between nerves and bone is essential for bone repair,for which Schwann cells(SCs)are crucial in the regulation of the *** that exosomes are critical paracrine mediators for intercellular communication that exert important effects in tissue repair,the aim of this study is to confirm the function and molecular mechanisms of Schwann cell-derived exosomes(SC-exos)on bone regeneration and to propose engineered constructs that simulate SC-mediated nerve-bone *** promoted the proliferation and differentiation of bone marrow mesenchymal stem cells(BMSCs)through *** molecular mechanism studies demonstrated that SC-exos promoted BMSC osteogenesis by regulating the TGF-βsignaling pathway via ***,SC-exos promoted the migration and tube formation performance of endothelial progenitor ***,the SC-exos@G/S constructs were developed by bioprinting technology that simulated SC-mediated nerve-bone crosstalk and improved the bone regeneration microenvironment by releasing SC-exos,exerting the regulatory effect of SCs in the microenvironment to promote innervation,vascularization,and osteogenesis and thus effectively improving bone repair in a cranial defect *** study demonstrates the important role and underlying mechanism of SCs in regulating bone regeneration through SC-exos and provides a new engineered strategy for bone repair.

关键词： Schwann cells Microenvironment Nerve-bone crosstalk Exosomes Bioprinting