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Formation of Stable Interphase of Polymer-in-Salt Electrolyte in All-Solid-State Lithium batteries

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Energy Material Advances 2021年第1期2021卷 384-393页

作者： Hongcai Gao Nicholas S.Grundish Yongjie Zhao Aijun Zhou john b.goodenough Texas Materials Institute The University of Texas at AustinAustin Texas 78712USA

The integration of solid-polymer electrolytes into all-solid-state lithium batteries is highly desirable to overcome the limitations of current battery configurations that have a low energy density and severe safety *** is an appealing matrix for solid-polymer electrolytes;however,the practical utilization of such polymer electrolytes in all-solid-state cells is impeded by inferior ionic conductivity and instability against a lithium-metal *** this work,we show that a polymer-in-salt electrolyte based on polyacrylonitrile with a lithium salt as the major component exhibits a wide electrochemically stable window,a high ionic conductivity,and an increased lithium-ion transference *** growth of dendrites from the lithium-metal anode was suppressed effectively by the polymer-in-salt electrolyte to increase the safety features of the *** addition,we found that a stable interphase was formed between the lithium-metal anode and the polymer-in-salt electrolyte to restrain the uncontrolled parasitic reactions,and we demonstrated an all-solid-state battery configuration with a LiFePO4 cathode and the polymer-in-salt electrolyte,which exhibited a superior cycling stability and rate capability.

关键词： battery lithium electrolyte

LiFePO4/polymer composite cathode materials for lithium-ion batteries

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LiFePO4/polymer composite cathode materials for lithium-ion ...

ICAM Workshop Physics of Novel Energy Materials

作者： john b.goodenough Texas Materials Institute ETC 9.102The University of Texas at Austin

LiFePO4 is a promising cathode material for the next generation of a lithium-ion rechargeable battery due to its low-cost, safety, excellent cyclability and large capacity. Of particular interest for commercial applic...

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磷酸铁锂快速充电锂离子电池

磷酸铁锂快速充电锂离子电池

Targeting Trkb–PSD-95 coupling to mitigate neurological disorders

中国化学会第26届学术年会新能源与能源化学分会场

作者：黄云辉 john b.goodenough 华中科技大学材料科学与工程学院

＜正＞LiFePO4由于其优异的电化学性能以及无毒、长寿命、低成本等综合性能而倍受青睐,特别是混合动力锂电池理想的正极材料。通过电活性的导电高分子与LiFePO4进行复合,制备复合电极,

关键词：磷酸铁锂锂离子电池高分子复合

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Neural Regeneration Research 2025年第3期20卷 715-724页

作者： Xin Yang Yu-Wen Alvin Huang john Marshall Department of Molecular biology Cell Biology and BiochemistryBrown UniversityProvidenceRIUSA Department of Neurology Warren Alpert Medical School of Brown UniversityProvidenceRIUSA Center for Translational Neuroscience Robert J.and Nancy D.Carney Institute for Brain Science and Brown Institute for Translational ScienceBrown UniversityProvidenceRIUSA

Tropomyosin receptor kinase b(Trkb)signaling plays a pivotal role in dendritic growth and dendritic spine formation to promote learning and *** activity-dependent release of brain-derived neurotrophic factor at synapses binds to pre-or postsynaptic Trkb resulting in the strengthening of synapses,reflected by long-term ***,the association of postsynaptic density protein-95 with Trkb enhances phospholipase Cγ-Ca^(2+)/calmodulin-dependent protein kinaseⅡand phosphatidylinositol 3-kinase-mechanistic target of rapamycin signaling required for long-term *** this review,we discuss Trkb-postsynaptic density protein-95 coupling as a promising strategy to magnify brain-derived neurotrophic factor signaling towards the development of novel therapeutics for specific neurological disorders.A reduction of Trkb signaling has been observed in neurodegenerative disorders,such as Alzheimer's disease and Huntington's disease,and enhancement of postsynaptic density protein-95 association with Trkb signaling could mitigate the observed deficiency of neuronal connectivity in schizophrenia and *** with brain-derived neurotrophic factor is problematic,due to poor pharmacokinetics,low brain penetration,and side effects resulting from activation of the p75 neurotrophin receptor or the truncated Trkb.T1 *** Trkb agonists and antibodies that activate Trkb are being intensively investigated,they cannot distinguish the multiple human Trkb splicing isoforms or cell type-specific *** Trkb–postsynaptic density protein-95 coupling provides an alternative approach to specifically boost Trkb signaling at localized synaptic sites versus global stimulation that risks many adverse side effects.

关键词： Angelman syndrome autism brain-derived neurotrophic factor depression neurodegenerative disorder neurodevelopmental disorder postsynaptic density protein-95 synaptic plasticity Trkb

Sifting for small primes from an arithmetic progression

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Science China Mathematics 2023年第12期66卷 2715-2730页

作者： john b.Friedlander Henryk Iwaniec Department of Mathematics University of TorontoTorontoON M5S 2E4Canada Department of Mathematics Rutgers UniversityPiscatawayNJ 08903USA

In this work and its sister paper(Friedlander and Iwaniec(2023)),we give a new proof of the famous Linnik theorem bounding the least prime in an arithmetic *** sieve machinery in both papers,we are able to dispensh with the log-free zero density bounds and the repulsion property of exceptional zeros,two deep innovations begun by Linnik and relied on in earlier proofs.

关键词： sieve small primes Linnik theorem

Highly cross-linked polyethylene is the new‘gold standard’bearing material for total hip arthroplasty

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biosurface and biotribology 2021年第2期7卷 53-59页

作者： john b.Medley Department of Mechanical and Mechatronics Engineering University of WaterlooWaterlooOntarioCanada

Conventional polyethylene is not used much in total hip arthroplasty(THA);it has been supplanted by oxidation-resistant cross-linked polyethylene(≥50 kGy irradiation).However,studies persist that de-emphasize or ignore cross-linked polyethylene.A se-lective literature review is used briefly to present the early use of conventional poly-ethylene and its implication in wear particle-induced osteolysis leading to premature revision *** current situation is established based on Australian registry data and other studies that advocate the use of cross-linked polyethylene in preference to conventional *** some studies suggest caution in using cross-linked polyethylene,overall it is strongly *** the author’s opinion,cross-linked polyethylene is the new reference standard bearing material in THA.

关键词： cross Highly planted

Study of hybrid nanofluid flow in a stationary cone-disk system with temperature-dependent fluid properties

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Applied Mathematics and Mechanics(English Edition) 2024年第4期45卷 677-694页

作者： A.S.john b.MAHANTHESH G.LORENZINI Center for Mathematical Needs Department of MathematicsCHRIST(Deemed to be University)Karnataka 560029India School of Mathematical and Statistical Sciences The University of Texas Rio Grande ValleyTexas 78539U.S.A. Department of Engineering and Architecture University of ParmaParma 43124Italy

Cone-disk systems find frequent use such as conical diffusers,medical devices,various rheometric,and viscosimetry *** this study,we investigate the three-dimensional flow of a water-based Ag-Mg O hybrid nanofluid in a static cone-disk system while considering temperature-dependent fluid *** the variable fluid properties affect the dynamics and heat transfer features is studied by Reynolds's linearized model for variable viscosity and Chiam's model for variable thermal *** single-phase nanofluid model is utilized to describe convective heat transfer in hybrid nanofluids,incorporating the experimental *** model is developed as a coupled system of convective-diffusion equations,encompassing the conservation of momentum and the conservation of thermal energy,in conjunction with an incompressibility condition.A self-similar model is developed by the Lie-group scaling transformations,and the subsequent self-similar equations are then solved *** influence of variable fluid parameters on both swirling and non-swirling flow cases is ***,the Nusselt number for the disk surface is *** is found that an increase in the temperature-dependent viscosity parameter enhances heat transfer characteristics in the static cone-disk system,while the thermal conductivity parameter has the opposite effect.

关键词： hybrid nanofluid cone-disk system laminar flow variable fluid property Nusselt number

Nanoparticle meta-grid for enhanced light extraction from light-emitting devices

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Light(Science & Applications) 2020年第1期9卷 842-852页

作者： Debabrata Sikdar john b.Pendry Alexei A.Kornyshev Department of Chemistry Molecular Sciences Research HubImperial College LondonWhite CityLondon W120BZUK Department of Electronics and Electrical Engineering Indian Institute of Technology GuwahatiGuwahati 781039India The blackett Laboratory Department of PhysicsImperial College LondonLondon SW72AZUK Thomas Young Centre for Theory and Simulation of Materials Imperial College LondonLondon SW72AZUK

based on a developed theory,we show that introducing a meta-grid of sub-wavelength-sized plasmonic nanoparticles(NPs)into existing semiconductor light-emitting-devices(LEDs)can lead to enhanced transmission of light across the LED-chip/encapsulant *** results from destructive interference between light reflected from the chip/encapsulant interface and light reflected by the NP meta-grid,which conspicuously increase the efficiency of light extraction from ***“meta-grid”,should be inserted on top of a conventional LED chip within its usual encapsulating *** described by the theory,the nanoparticle composition,size,interparticle spacing,and distance from the LED-chip surface can be tailored to facilitate maximal transmission of light emitted from the chip into its encapsulating layer by reducing the Fresnel *** analysis shows that transmission across a typical LEDchip/encapsulant interface at the peak emission wavelength can be boosted up to ~99%,which is otherwise mere~84% at normal *** scheme could provide improved transmission within the photon escape cone over the entire emission spectrum of an *** would benefit energy saving,in addition to increasing the lifetime of LEDs by reducing ***,the scheme will be easy to implement and adopt into existing semiconductor-device technologies,and it can be used separately or in conjunction with other methods for mitigating the critical angle loss in LEDs.

关键词： light particle reflected

Coping with the environmental effects of point-source discharges

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Journal of Environmental Sciences 1992年第1期4卷 1-9页

作者： john Caims b.R.Niederlehner University Center for Environmental and Hazardous Materials Studies Virginia Polytechnic Institute and State University Blacksburg Virginia 24061-0415 USAUniversity Center for Environmental and Hazardous Materials Studies Virginia Polytechnic Institute and State University Blacksburg Virginia 24061-0415 USA Jr

Current methods for assessing the environmental impact of point source discharges in the United States are reviewed. The emphasis of many assessments of damage from pollution is shifting from chemical or technological standards to biological standards, i.e., the protection of biological integrity in the receiving system. The importance of integrating information from chemical measurements, toxicity tests, and field surveys in impact assessment is re-emphasized. Ways in which environmental professionals can improve methods for assessing damage from pollution and its control are discussed.

关键词： effluents biological integrity environmental assessment toxicity tests water pollution.