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硅酸盐矿物储热特征及其复合相变材料

硅酸盐学报 2019年第1期47卷 143-152页

作者：谢宝珊李传常张波赵新波陈荐陈中胜长沙理工大学能源与动力工程学院长沙410114 东华理工大学核资源与环境国家重点实验室培育基地南昌330013

利用硅酸盐矿物储热特征装载相变功能体,制备定形复合相变材料是获得优良储热性能、低制备成本复合储热材料的途径之一。从导热性能与储存空间两个方面概述了硅酸盐矿物的储热特征;对凹凸棒石、硅藻土、埃洛石、高岭石、蒙脱石、珍珠岩... 详细信息

利用硅酸盐矿物储热特征装载相变功能体,制备定形复合相变材料是获得优良储热性能、低制备成本复合储热材料的途径之一。从导热性能与储存空间两个方面概述了硅酸盐矿物的储热特征;对凹凸棒石、硅藻土、埃洛石、高岭石、蒙脱石、珍珠岩、蛭石、蛋白石、硅灰石等硅酸盐矿物基复合相变材料进行了综述;介绍了其在建筑节能以及其他领域如热红外隐身技术中的应用;最后指出,制备储热容量高、不易泄露的硅酸盐矿物基复合相变材料并扩大其应用范围是今后的研究重点。

关键词：硅酸盐矿物储热特征复合相变材料

氧化三甲胺:肠道微生物、内皮功能障碍和动脉粥样硬化之间的联系

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临床心血管病杂志 2020年第10期36卷 879-881页

作者：朱媛婷唐路邱雪婷李传昶中南大学湘雅医院老年病科长沙410008

冠状动脉粥样硬化作为心血管疾病的基础,对人类健康产生重要影响。近期许多研究证实膳食肠道微生物代谢产物氧化三甲胺(TMAO)与心血管疾病密切相关,而目前TMAO致心血管疾病机制尚未明确。研究发现TMAO可通过影响内皮细胞功能而促进动脉... 详细信息

冠状动脉粥样硬化作为心血管疾病的基础,对人类健康产生重要影响。近期许多研究证实膳食肠道微生物代谢产物氧化三甲胺(TMAO)与心血管疾病密切相关,而目前TMAO致心血管疾病机制尚未明确。研究发现TMAO可通过影响内皮细胞功能而促进动脉粥样硬化,本文就TMAO影响内皮细胞功能障碍促进动脉粥样硬化的具体机制及潜在靶点进行综述,从而为寻找作用靶点以开发新的心血管疾病治疗方法提供思路。

关键词：冠状动脉粥样硬化内皮功能障碍病理生理氧化三甲胺

Synergy effect of regulated li-plating and functional solid electrolyte interphase on graphite anodes

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Nano Research 2024年第9期17卷 8077-8085页

作者： Panpan Wang Baojia Xia Jianling li State Key Laboratory of Advanced Metallurgy University of Science and Technology BeijingBeijing 100083China Shanghai Institute of Microsystem and Information Technology Chinese Academy of SciencesShanghai 201800China

The growth of li dendrites poses potential safety hazard to lithium-ion batteries(liBs),and eliminating li dendrites thoroughly stills face tough difficulties ***,regulating li-plating is a critical optimization-direction to address the ***,a“graphite-li hybrid”anode with high reversibility is realized under the constant-capacity lithiation(CCL).Within CCL,the uniform distribution of li-plating on the graphite surface is successfully *** evolution in different states of solid electrolyte interphase(SEI)is investigated in detail to study the interaction between the potentials and impedance during the process of liintercalation and *** the potential below 0 V and the state of charge(SOC)of 110%relative to the theoretical capacity,the F-rich SEI with high stability is constructed to hinder the emergency of li dendrites and maintain the intact structure of graphite anode under long *** cell presents more than 100%Coulombic efficiency(CE)with the 900 cycles,demonstrating the reversible li-plating and the utilization of *** the CCL half-cell provides a good cycling performance and specific capacity of 900 cycles at 0.5 C,it is attributed to the synergy effect of stable inorganic-rich SEI and regulated active li-plating.

关键词： "graphite-li hybrid"anode li-plating reversibility solid electrolyte interphase(SEI)

Robust chemo-mechanical stability of additives-free SiO_(2)anode realized by honeycomb nanolattice for high performance li-ion batteries

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Chinese Chemical Letters 2024年第10期35卷 442-446页

作者： Xinpin Pan Yongjian Cui Zhe Wang Bowen li Hailong Wang Jian Hao Feng li Jing li Advanced Energy Storage Materials Lab School of Materials and New EnergyNingxia UniversityYinchuan 750021China School of Chemistry and Chemical Engineering Ningxia UniversityYinchuan 750021China

Silicon-based anodes including Si,Si Oxand SiO_(2)could deliver ultra-large capacities,but degrade fast owing to huge volume change and low ***,large amounts of elastic binder and conductive additives were composited with nanosized silicon-based materials to yield reasonable cycling stability,which nevertheless not only decrease specific capacity but also induce inhomogeneous lithiation/delithiation as well as uneven stress *** nanolattice has exhibited superior mechanical properties which could be ideal structure for silicon-based anodes,but yet faces challenges in integration of chemical reactivity,conductivity and mechanical ***,we fabricate artificial SiO_(2)honeycomb nanolattice consisting of numerous nanoscale SiO_(2)cells interconnected by through-holes,and conformal coating of highly graphitic carbon on the nanolattice is achieved through in situ catalytic ***,the nanolattice is firmly bonded on Cu substrate through atomic interdiffusion irrespective of surface *** unique structure allows fast charge transportation and homogeneous lithiation/delithiation throughout the micron-meter nanolattice,which results in excellent stability and large reversible capacity over 500 cycles at 1 A/*** results highlight design and constructing artificial nanolattice can be an effective way to prevent chemo-mechanical degradation of silicon-based anode materials.

关键词： li-ion batteries Nanolattice SiO_(2)anode Stability Conductivity

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采样参数设置对小鼠心电图波形的影响

中国实验动物学报 2019年第2期27卷 236-241页

作者：孙权邱雪婷李传昶周正适中南大学湘雅医院心血管内科长沙410000 中南大学湘雅医院老年病科长沙410000 中南大学湘雅医学院实验动物学部长沙410000

目的探讨采样参数设置对小鼠心电图波形的影响。方法选用C57小鼠,戊巴比妥钠麻醉,四肢皮下插针式电极,连接RM6240BD型多道生理信号采集处理系统,选择不同的采样参数设置,对心电图进行采样、记录和分析。结果采样速率、低通滤波、时间常... 详细信息

目的探讨采样参数设置对小鼠心电图波形的影响。方法选用C57小鼠,戊巴比妥钠麻醉,四肢皮下插针式电极,连接RM6240BD型多道生理信号采集处理系统,选择不同的采样参数设置,对心电图进行采样、记录和分析。结果采样速率、低通滤波、时间常数和陷波滤波等采样参数设置均对心电图波形有影响,部分参数会导致心电图不同形式的变形和失真。结论小鼠的心电图实验中应选择合适的采样参数设置,通过操作技术的改进来提高心电图的稳定性,尽量避免或减少滤波的使用,以获得准确的心电图实验结果。

关键词：小鼠采样参数心电图方法滤波稳定性

Highly-chlorinated inert and robust interphase without mineralization of oxide enhancing high-rate li metal batteries

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Chinese Chemical Letters 2024年第6期35卷 239-243页

作者： Long li Kang Yang Chenpeng Xi Mengchao li Borong li Gui Xu Yuanbin Xiao Xiancai Cui Zhiliang liu lingyun li Yan Yu Chengkai Yang Key Laboratory of Advanced Materials Technologies International(HongKong Macao and Taiwan)Joint Laboratory on Advanced Materials TechnologiesSchool of Materials Science and EngineeringFuzhou UniversityFuzhou 350108China College of Material Sciences and Chemical Engineering Harbin Engineering UniversityHarbin 150001China

Side reactions and dendrite growth triggered by the unstable interface and inhomogeneous deposition have become the biggest obstacle to the commercialization for lithium metal *** this study,a highly-chlorinated organic-inorganic hybrid interfacial protective layer is developed by rationally tuning the interfacial passivation and robustness to achieve the convenient and efficient li metal *** polyvinyl chloride(PVC)can effectively resist water and oxygen,which is confirmed by density functional *** organic-dominant solid electrolyte interphases(SEI)with lithium chloride are investigated by the X-ray photoelectron spectroscopy(XPS)with little mineralization of oxide,such as li_(2)O and li_(2)CO_(3).With such artificial SEI,a uniform and dense lithium deposition morphology are formed and an ultra-long stable cycle of over 500 h are achieved even at an ultra-high current density of 10 m A/cm^(2).Moreover,the simple and convenient protected anode also exhibits excellent battery stability when paired with the liNi_(0.8)Co_(0.1)Mn_(0.1)O_(2)(NCM811)and liFePO_(4)(LFP)cathode,showing great potential for the commercial application of lithium metal batteries.

关键词： Highly-chlorinated Water/oxygen resistance Stable interphase Dendrite-free lithium metal batteries High-rate

Accelerating lithium-sulfur battery reaction kinetics and inducing 3D deposition of li_(2)S using interactions between Fe_(3)Se_(4)and lithium polysulfides

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Journal of Energy Chemistry 2024年第8期95卷 540-553,I0012页

作者： Yihan lin liheng li Longjie Tan Yongliang li Xiangzhong Ren Peixin Zhang Chuanxin He lingna Sun College of Chemistry and Environmental Engineering Shenzhen UniversityShenzhen 518060GuangdongChina

Although lithium-sulfur batteries(LSBs)exhibit high theoretical energy density,their practical application is hindered by poor conductivity of the sulfur cathode,the shuttle effect,and the irreversible deposition of li_(2)*** address these issues,a novel composite,using electrospinning technology,consisting of Fe_(3)Se_(4)and porous nitrogen-doped carbon nanofibers was designed for the interlayer of *** porous carbon nanofiber structure facilitates the transport of ions and electrons,while the Fe_(3)Se_(4)material adsorbs lithium polysulfides(liPSs)and accelerates its catalytic conversion ***,the Fe_(3)Se_(4)material interacts with soluble liPSs to generate a new polysulfide intermediate,li_(x)FeS_(y)complex,which changes the electrochemical reaction pathway and facilitates the three-dimensional deposition of li_(2)S,enhancing the reversibility of *** designed LSB demonstrates a high specific capacity of1529.6 mA h g^(-1)in the first cycle at 0.2 *** rate performance is also excellent,maintaining an ultra-high specific capacity of 779.7 mA h g^(-1)at a high rate of 8 *** investigation explores the mechanism of the interaction between the interlayer and liPSs,and provides a new strategy to regulate the reaction kinetics and li_(2)S deposition in LSBs.

关键词： lithium-sulfur batteries Polysulfide intermediates li_(2)S electrodeposition Interlayers Electrostatic spinning Adsorption Catalysis

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柔性反馈式液压破碎锤配流系统研究与实验

机床与液压 2021年第18期49卷 76-81页

作者：李传昌阮健陈赛旋张振山上海工程技术大学机械与汽车工程学院上海201620 浙江工业大学特种装备制造与先进加工技术教育部重点实验室浙江杭州310014

根据工程施工破碎锤实际工况需要,对柔性反馈式液压破碎锤配流系统进行理论研究。设计一套电液联合控制柔性反馈式液压破碎锤实验样机;搭建液压破碎锤实验测试平台,进行可行性与实际工况下实验。实验结果表明:液压破碎锤电液控制系统设... 详细信息

根据工程施工破碎锤实际工况需要,对柔性反馈式液压破碎锤配流系统进行理论研究。设计一套电液联合控制柔性反馈式液压破碎锤实验样机;搭建液压破碎锤实验测试平台,进行可行性与实际工况下实验。实验结果表明:液压破碎锤电液控制系统设计是可行性的,破碎性能符合要求;利用该系统可实现新型液压破碎锤冲击能与冲击频率的实时改变,采集并分析实际工况下的冲击性能参数。

关键词：柔性反馈液压破碎锤配流系统实验验证

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适应行业发展的汽车设计课程改革与实践

汽车实用技术 2022年第19期47卷 165-169页

作者：张缓缓李传昌上海工程技术大学机械与汽车工程学院上海201620

主动适应汽车产业发展需求是发展工程教育供给侧改革的综合体现。论文对汽车设计课程进行教学改革,以技术需求为导向,更新和优化课程的教学内容;依托校企合作和学科竞赛,提出项目式和模块化的教学方法;围绕核心知识点,进行逐层递进的教... 详细信息

主动适应汽车产业发展需求是发展工程教育供给侧改革的综合体现。论文对汽车设计课程进行教学改革,以技术需求为导向,更新和优化课程的教学内容;依托校企合作和学科竞赛,提出项目式和模块化的教学方法;围绕核心知识点,进行逐层递进的教学设计;以能力为导向,改革课程的考核评价方法。实践证明,所进行的教学改革取得了良好的培养效果。

关键词：汽车设计技术导向项目库模块化课程改革