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Plasma-assisted aerogel interface engineering enables uniform Zn^(2+)flux and fast desolvation kinetics toward zinc metal batteries

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Journal of Energy Chemistry 2024年第8期95卷 29-38,I0002页

作者： Zijian Xu Zhenhai Shi Zhan Chang Fan Feng Zhuanyi Liu Dongkun Chu Jianguo Ren Zi-Feng Ma suli chen Tianxi Liu Key Laboratory of Synthetic and Biological Colloids Ministry of Education School of Chemical and Material EngineeringJiangnan UniversityWuxi 214122JiangsuChina Shanghai Electrochemical Energy Devices Research Center Department of Chemical EngineeringShanghai Jiao Tong UniversityShanghai 200240China BTR New Material Group Co. LTD.Shenzhen 518000GuangdongChina

The poor reversibility of Zn anodes induced by dendrite growth,surface passivation,and corrosion,severely hinders the practical applicability of Zn metal *** address these issues,a plasmaassisted aerogel(PAG)interface engineering was proposed as efficient ion transport modulator that can simultaneously regulate uniform Zn^(2+)flux and desolvation behavior during battery *** PAG with ordered mesopores acted as an ion sieve to homogenize Zn deposition and accelerate Zn^(2+)flux,which is favorable for corrosion resistance and dendrite ***,the plasma-assisted aerogel with abundant hydrophilic groups can facilitate the desolvation kinetics of Zn^(2+)due to the multiple hydrogen-bonding interaction with the activated water molecules,thus accelerating the Zn^(2+)migration ***,the Zn/Zn cell assembled with PAG-modified separator demonstrates stable plating and stripping behavior(over 1400 h at 1 mA cm^(-2))and high Coulombic efficiency(99.8%at1 mA cm^(-2)after 1100 cycles),and the Zn‖MnO_(2)full cell shows excellent long-term cycling stability and maintains a high capacity of 154.9 mA h g^(-1)after 1000 cycles at 1 A g^(-1).This study provides a feasible approach for the large-scale fabrication of aerogel functionalized separators to realize ultra-stable Zn metal batteries.

关键词： Zn metal batteries Aerogel interface Plasma Zn^(2+)migration kinetics Dendrite growth

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Advancing Energy Systems with In-Situ and Operando Surface-Enhanced Raman Scattering Spectroscopy

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CCS Chemistry 2024年第6期6卷 1403-1421页

作者： Haoming Bao Shi Xuan Leong Jaslyn Ru Ting chen Zhenhai Shi suli chen Yan Lv Tianxi Liu In Yee Phang Xing Yi Ling Key Laboratory of Synthetic and Biological Colloids Ministry of EducationInternational Joint Research Laboratory for Nano Energy CompositesSchool of Chemical and Material EngineeringJiangnan UniversityWuxi 214122 School of Chemistry Chemical Engineering and BiotechnologyNanyang Technological UniversitySingapore 637371

Surface-enhanced Raman scattering spectroscopy(SERS)has emerged as a powerful analytical technique to enable nanoscale investigations of energy *** mini-review focuses on the applications of in-situ and operando SERS in energy-related research,highlighting its unique capabilities and significant contributions to understanding energy storage and conversion *** first introduce the fundamental principles of SERS,key SERS-derived techniques,and commonly employed ***,we delve into the diverse applications of in-situ and operando SERS across various energy systems,encompassing photocatalytic and electrocatalytic systems,fuel cells,solar cells,and ***,we conclude with our perspective on the current challenges and prospects in this *** hope thismini-review serves as an essential overview to guide the design and implementation of in-situ and operando SERS studies of energy systems.

关键词： surface-enhanced Raman scattering spectroscopy in-situ operando energy systems photocatalysis electrocatalysis fuel cells solar cells batteries

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High Fe^(LS)(C)electrochemical activity of an iron hexacyanoferrate cathode boosts superior sodium ion storage

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Carbon Energy 2023年第5期5卷 67-77页

作者： Junhong Guo Fan Feng Shiqiang Zhao Zhenhai Shi Rui Wang Meng Yang Fangfang chen suli chen Zi-Feng Ma Tianxi Liu Key Laboratory of Synthetic and Biological Colloids Ministry of EducationInternational Joint Research Laboratory for Nano Energy CompositesSchool of Chemical and Material EngineeringJiangnan UniversityWuxiChina Department of Chemical Engineering Shanghai Electrochemical Energy Devices Research CenterShanghai Jiao Tong UniversityShanghaiChina College of Chemistry and Materials Engineering Wenzhou UniversityWenzhouChina

Sodium iron hexacyanoferrate(FeHCF)is one of the most promising cathode materials for sodium-ion batteries(SIBs)due to its low cost theoretical ***,the low electrochemical activity of Fe^(LS)(C)in FeHCF drags down its practical capacity and potential ***,FeHCF with high Fe^(LS)(C)electrochemical activity(C-FeHCF)is synthesized via a facile citric acid-assisted solvothermal *** the cathode of SIBs,C-FeHCF shows superior cycling stability(ca.87.3%capacity retention for 1000 cycles at 10 C)and outstanding rate performance(ca.68.5%capacity retention at 50 C).Importantly,the contribution of Fe^(LS)(C)to the whole capacity was quantitatively analyzed via combining dQ/dV and discharge curve for the first time,and the index reaches 44.53%for C-FeHCF,close to the theoretical ***-situ X-ray diffraction proves the structure stability of C-FeHCF during charge-discharge process,ensuring its superior cycling ***,the application feasibility of the C-FeHCF cathode in quasi-solid SIBs is also *** quasi-solid SIBs with the C-FeHCF cathode exhibit excellent electrochemical performance,delivering an initial discharge capacity of 106.5 mAh g^(−1) at 5 C and high capacity retention of 89.8%over 1200 *** work opens new insights into the design and development of advanced cathode materials for SIBs and the beyond.

关键词： cathode material electrochemical activity sodium-ion batteries sodium iron hexacyanoferrate structural evolution

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外泌体介导的组织工程在骨修复中的作用

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中国骨科临床与基础研究杂志 2024年第2期14卷 137-144页

作者：游永刚陈苏丽王晓凤李占清中国人民解放军联勤保障部队第九二六医院骨科 661600 中国人民解放军联勤保障部队第九二〇医院骨科云南昆明650032

严重创伤、骨肿瘤等导致的骨不连及骨缺损治疗是骨科医生面临的难题,以细胞为基础的骨组织工程技术为骨缺损修复治疗提供有效方法。随着对干细胞在骨组织再生中作用的深入理解,研究人员发现干细胞外泌体释放是其引导骨再生的治疗机制之... 详细信息

严重创伤、骨肿瘤等导致的骨不连及骨缺损治疗是骨科医生面临的难题,以细胞为基础的骨组织工程技术为骨缺损修复治疗提供有效方法。随着对干细胞在骨组织再生中作用的深入理解,研究人员发现干细胞外泌体释放是其引导骨再生的治疗机制之一。外泌体能够通过旁分泌信号在细胞间发挥通讯作用,调节骨形成过程中的骨再生和血管生成。本文阐述外泌体的生物学来源、成分及功能,从分子生物学角度探讨外泌体在骨修复中的调控作用,同时对外泌体在骨组织工程中促进骨缺损修复的研究成果进行总结,以期更加深入理解外泌体的作用机制,为骨缺损修复提供新的治疗思路。

关键词：外泌体组织工程骨折,不愈合骨缺损骨修复间质干细胞巨噬细胞支架

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Rationally designing electrolyte additives for highly improving cyclability of LiNi_(0.5)Mn_(1.5)O_(4)/Graphite cells

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Journal of Energy Chemistry 2024年第4期91卷 266-275页

作者： Zhiyong Xia Kuan Zhou Xiaoyan Lin Zhangyating Xie Qiurong chen Xiaoqing Li Jie Cai suli Li Hai Wang Mengqing Xu Weishan Li School of Chemistry South China Normal UniversityGuangzhou 510006GuangdongChina China Zhuhai CosMX Battery Co. Ltd.Zhuhai 519180GuangdongChina National and Local Joint Engineering Research Center of MPTES in High Energy and Safety LIBs Engineering Research Center of MTEES(Ministry of Education)and Key Lab.of ETESPG(GHEI)South China Normal UniversityGuangzhou 510006GuangzhouChina

High voltage is necessary for high energy lithium-ion batteries but difficult to achieve because of the highly deteriorated cyclability of the batteries.A novel strategy is developed to extend cyclability of a high voltage lithium-ion battery,LiNi_(0.5)Mn_(1.5)O_(4)/Graphite(LNMO/Graphite)cell,which emphasizes a rational design of an electrolyte additive that can effectively construct protective interphases on anode and cathode and highly eliminate the effect of hydrogen fluoride(HF).5-Trifluoromethylpyridine-trime thyl lithium borate(LTFMP-TMB),is synthesized,featuring with *** anion TFMPTMB-tends to be enriched on cathode and can be preferentially oxidized yielding TMB and radical TFMP-.Both TMB and radical TFMP can combine HF and thus eliminate the detrimental effect of HF on cathode,while the TMB dragged on cathode thus takes a preferential oxidation and constructs a protective cathode *** the other hand,LTFMP-TMB is preferentially reduced on anode and constructs a protective anode ***,a small amount of LTFMP-TMB(0.2%)in 1.0 M LiPF6in EC/DEC/EMC(3/2/5,wt%)results in a highly improved cyclability of LNMO/Graphite cell,with the capacity retention enhanced from 52%to 80%after 150 cycles at 0.5 C between 3.5 and 4.8 *** as-developed strategy provides a model of designing electrolyte additives for improving cyclability of high voltage batteries.

关键词： Electrolyte additive Design and synthesis Cyclability High voltage batteries Cathode and anode interphases

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外周血sIL-2R、CD4^(+)/CD8^(+)、TNF-α对初治活动性肺结核老年患者化疗疗效的评估价值

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国际检验医学杂志 2024年第6期45卷 738-743,750页

作者：刘会高江彦霍琳张晓光张会晓张焕付洪义王显雷安贺娟王勇刘锐陈素丽李卫红河北省胸科医院感染性疾病科河北石家庄050041 河北省胸科医院肿瘤科河北石家庄050041 河北省胸科医院全质办河北石家庄050041 河北省胸科医院医务处河北石家庄050041 河北省胸科医院结核科河北石家庄050041

目的探讨外周血可溶性白细胞介素2受体(sIL-2R)、CD4^(+)淋巴细胞百分比/CD8^(+)淋巴细胞百分比比值(下称CD4^(+)/CD8^(+))、肿瘤坏死因子-α(TNF-α)对初治活动性肺结核老年患者化疗疗效的评估价值。方法将2019年12月至2022年12月该院... 详细信息

目的探讨外周血可溶性白细胞介素2受体(sIL-2R)、CD4^(+)淋巴细胞百分比/CD8^(+)淋巴细胞百分比比值(下称CD4^(+)/CD8^(+))、肿瘤坏死因子-α(TNF-α)对初治活动性肺结核老年患者化疗疗效的评估价值。方法将2019年12月至2022年12月该院收治的102例初治活动性肺结核老年患者纳入研究作为观察组,另选取102例年龄≥60岁且同期于该院体检的健康者作为对照组。比较两组外周血sIL-2R、TNF-α、CD4^(+)/CD8^(+)水平并分析sIL-2R、TNF-α、CD4^(+)/CD8^(+)间的相关性。观察组均采用2HRZE/4HR抗结核治疗方案,比较观察组治疗前、治疗1个月、治疗6个月时不同疗效患者外周血sIL-2R、TNF-α、CD4^(+)/CD8^(+);分析sIL-2R、CD4^(+)/CD8^(+)、TNF-α水平与疗效的相关性;采用受试者工作特征(ROC)曲线分析各指标用于老年患者化疗疗效评估的效能。结果观察组sIL-2R、TNF-α水平高于对照组,而CD4^(+)/CD8^(+)低于对照组,差异均有统计学意义(P<0.05)。观察组sIL-2R、TNF-α与CD4^(+)/CD8^(+)呈负相关(P<0.05),sIL-2R与TNF-α呈正相关(P<0.05)。治疗1个月、治疗6个月时显效患者sIL-2R、TNF-α水平低于有效患者,而后者又低于无效患者,显效患者CD4^(+)/CD8^(+)高于有效患者,而后者又高于无效患者,差异均有统计学意义(P<0.05)。sIL-2R、TNF-α水平与疗效呈负相关(P<0.05),CD4^(+)/CD8^(+)与疗效呈正相关(P<0.05)。ROC曲线分析显示,治疗1个月、6个月时sIL-2R、CD4^(+)/CD8^(+)、TNF-α联合用于评估疗效的曲线下面积(AUC)明显大于各时间点单项指标用于评估的AUC(P<0.05),而且治疗6个月时各指标联合评估的AUC大于治疗1个月(P<0.05)。结论初治活动性肺结核老年患者sIL-2R、CD4^(+)/CD8^(+)、TNF-α水平与患者疗效密切相关,将以上指标联合用于评估患者化疗疗效具有一定参考价值。

关键词：可溶性白介素2受体 CD4 CD8 肿瘤坏死因子-α 活动性肺结核化疗老年患者

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Extensive Associations of Naturally Intronless mRNAs with Nuclear Speckles

Extensive Associations of Naturally Intronless mRNAs with Nu...

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第九届全国核糖核酸学术讨论会

作者：王可 Lantian Wang Jianshu Wang suli chen Hong cheng 中国科学院上海生科院生化细胞所

＜正＞Nuclear speckles are sub-nuclear structures that are enriched with splicing *** to nuclear export,m RNAs derived from intron-containing genes pass through nuclear speckles in a splicing-dependent ***,unexpectedly,we found that ous and endogenous naturally intronless m RNAs we examined all apparently associate with

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Nuclear speckles functions in storage of the mature mRNA for preventing its nucleoplasmic degradation

Nuclear speckles functions in storage of the mature mRNA for...

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第十一次全国基因功能与表观遗传调控学术研讨会

作者： Ke Wang Lantian Wang Jianshu Wang suli chen Hong cheng Shanghai Key Laboratory of Molecular Andrology State Key Laboratory of Molecular BiologyInstitute of Biochemistry and Cell BiologyShanghai Institutes for Biological SciencesChinese Academy of Sciences

Nuclear speckles are dynamic nuclear domains located in interchromatin regions of nucleoplasm of mammalian *** it has been more than 54 years since its initial discovery,functions of nuclear speckles are highly *** co...

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Identification and spatio-temporal expression of 4CL gene in Sweet Sorghum

Identification and spatio-temporal expression of 4CL gene in...

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2013全国植物生物学大会

作者： ZHOU Yan WANG Yufeng LOU Laiqing ZHOU Hua chen suli CAI Qingsheng TENG Sheng College of Life Sciences Nanjing Agricultural University Institute of Plant Physiology and Ecology SIBSCAS

Sweet Sorghum is a potential energy plant due to its abilities of fast growth and high *** is beneficial to improve the efficiency of energy transformation by controlling lignin contents in pla

关键词： sweet sorghum 4CL lignin spatio-temporal expression flavonoid prokaryotic expression

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基于键合图理论的斜直井管柱上扣/卸扣系统设计与仿真

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中国机械工程 2014年第3期25卷 404-409页

作者：任福深陈素丽王威东北石油大学大庆163318 中国石油天然气管道局郑州451450

针对斜直井齿轮齿条钻机的管柱自动处理问题,采用顶驱和轨道钳联合作业的方式,设计了一套能够实现管柱紧扣、冲扣和旋扣等动作的自动化作业装置及其液压控制系统。采用键合图理论,建立了动力水龙头旋扣系统和轨道钳系统的键合图模型,并... 详细信息

针对斜直井齿轮齿条钻机的管柱自动处理问题,采用顶驱和轨道钳联合作业的方式,设计了一套能够实现管柱紧扣、冲扣和旋扣等动作的自动化作业装置及其液压控制系统。采用键合图理论,建立了动力水龙头旋扣系统和轨道钳系统的键合图模型,并推导出每个键合图模型的系统动态方程。基于20-sim仿真平台,对键合图模型进行了动态仿真分析,通过对比分析,验证了各键合图模型的合理性,为斜直井石油钻机上扣/卸扣机构系统的研制提供技术支持和理论指导。

关键词：顶驱轨道钳键合图仿真

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