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A leap by the rise of solid-state electrolytes for Li-air batteries

Green Energy & Environment 2023年第4期8卷 939-944页

作者： Kecheng Pan Minghui Li Weicheng Wang Shuochao Xing yaying dou Shasha Gao Zhang Zhang Zhen Zhou Interdisciplinary Research Center for Sustainable Energy Science and Engineering(IRC4SE2) School of Chemical EngineeringZhengzhou UniversityZhengzhou450001China Key Laboratory of Microelectronics and Energy of Henan Province Department of Physics and Electronic EngineeringXinyang Normal UniversityXinyang464000China Key Laboratory of Advanced Energy Materials Chemistry(Ministry of Education) College of ChemistryNankai UniversityTianjin300071China

Li-air batteries have attracted extensive attention because of their ultrahigh theoretical energy density. However, the potential safety hazard of flammable organic liquid electrolytes hinders their practical applications. Replacing liquid electrolytes with solidstate electrolytes(SSEs) is expected to fundamentally overcome the safety issues. In this work, we focus on the development and challenge of solid-state Li-air batteries(SSLABs). The rise of different types of SSEs, interfacial compatibility and verifiability in SSLABs are presented. The corresponding strategies and prospects of SSLABs are also proposed. In particular, combining machine learning method with experiment and in situ(or operando)techniques is imperative to accelerate the development of SSLABs.

关键词： Solid-state Li-air batteries Solid-state electrolytes Interfacial compatibility and verifiability

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An Efficient Multifunctional Soluble Catalyst for Li-O_(2) Batteries

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CCS Chemistry 2024年第7期6卷 1810-1820页

作者： Shuochao Xing Zhengcai Zhang yaying dou Minghui Li Jing Wu Zhang Zhang Zhen Zhou Interdisciplinary Research Center for Sustainable Energy Science and Engineering(IRC4SE2) School of Chemical EngineeringZhengzhou UniversityZhengzhou 450001 Key Laboratory of Advanced Energy Materials Chemistry Ministry of EducationCollege of ChemistryNankai UniversityTianjin 300071

Aprotic lithium-oxygen(Li-O_(2))batteries have a high theoretical energy density,but they face challenges such as cathode blockage,high charge overpotential,and poor cycling *** are caused by sluggish reaction kinetics and severe parasitic *** the performance of Li-O_(2) batteries necessitates the development of efficient *** catalysts not only augment both the oxygen reduction reaction(ORR)and the oxygen evolution reaction(OER)but also inhibit undesirable parasitic *** this work,we demonstrated for the first time a multifunctional soluble catalyst of iridium(III)acetylacetonate(Ir(acac)_(3))that could speed up oxygen ***(acac)_(3) regulated the ORR pathway and the reactivity of superoxide radical species by forming a reversible intermediate complex(Ir(acac)_(3)-O_(2)^(−)).During charging,Ir(acac)_(3) acted as a redox mediator and aided in Li_(2)O_(2) decomposition by reacting with superoxide ***,as demonstrated by operando UV-visible spectroscopy,the lower charge potential significantly reduced the generation of highly reactive singlet oxygen(^(1)O_(2))*** a result,the Ir(acac)_(3)-mediated Li-O_(2) battery showed low overpotential,large capacity,and stable *** study offers a new approach to achieving efficient Li-O_(2) batteries and provides an opportunity to suppress parasitic reactions.

关键词： Li-O_(2)battery soluble catalyst superoxide species organometallics singlet oxygen

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Hierarchical Porous Carbon Nanotube Spheres for High-performance K-O2 Batteries

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Chemical Research in Chinese Universities 2021年第2期37卷 254-258页

作者： dou yaying ZHANG Yantao GUO Feng SHEN Yanbin CHEN Gang WEI Yingjin XIE Zhaojun ZHOU Zhen School of Materials Science and Engineering Institute of New Energy Material ChemistryKey Laboratory of Advanced Energy Materials ChemistryMinistry of EducationRenewable Energy Conversion and Storage Center(ReCast)Nankai UniversityTianjin300350P.R.China Key Laboratory of Physics and Technology for Advanced Batteries Ministry of EducationCollege of PhysicsJilin UniversityChangchun130012P.R.China College of Chemistry and Pharmaceutical Engineering Hebei University of Science and TechnologyShijiazhuang050018P.R.China Zhejiang Chint Electrics Co. Ltd.Shanghai201614P.R.China i-Lab CAS Center for Excellence in NanoscienceSuzhou Institute of Nano-Tech and Nano-BionicsChinese Academy of SciencesSuzhou215123P.R.China

In view of the ever-growing pressure for green gas emissionreduction,there is an urgent need for renewable *** metal-oxygen batteries,especially lithium-oxygen(Li-o2)batteries,are deemed themost promising energy stora... 详细信息

关键词： Potassium-oxygen battery Potassium superoxide Carbon nanotube

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右美托咪定对恶性梗阻性黄疸患者肠黏膜屏障功能的影响

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国际麻醉学与复苏杂志 2019年第6期40卷 536-539页

作者：张远解雅英窦锡龄内蒙古自治区国际蒙医医院手术麻醉科呼和浩特010020 内蒙古医科大学附属医院麻醉科呼和浩特010050

目的探讨右美托咪定(dexmedetomidine, Dex)对恶性梗阻性黄疸(malignant obstructive jaundice, MOJ)患者肠黏膜屏障功能(intestinal barrier function, IBF)的影响。方法 40例MOJ行择期手术的患者,采用随机数字表法分为Dex组和对照组,每组20例。所有患者均采用全身静脉麻醉,其中Dex组在麻醉诱导前10 min以0.5 μg/kg负荷量静脉泵注Dex,术中以0.4 μg·kg-1·h-1持续泵注至术毕前20 min结束,对照组泵注等量生理盐水。术前(T1)、手术结束时(T2)、术后24 h(T3)和术后48 h(T4)分别抽取静脉血,ELISA法检测血浆二胺氧化酶(diamine oxidase, DAO)浓度及PCR技术定性检测大肠杆菌DNA。结果两组患者T2~T4时点的血浆DAO浓度均高于T1时点,且T2~T4时点对照组血浆DAO浓度均明显高于Dex组(P<0.05)。T1时点两组患者大肠杆菌DNA检测结果均为阴性,T2~T4时点大肠杆菌DNA阳性例数依次增高(T2

关键词：右美托咪定恶性梗阻性黄疸肠黏膜屏障

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