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A panoramic view of Li_(7)P_(3)S_(11) solid electrolytes synthesis, structural aspects and practical challenges for all-solid-state lithium batteries

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Chinese Journal of Chemical Engineering 2021年第11期34卷 16-36页

作者： muhammad khurram tufail Niaz Ahmad Le Yang Lei Zhou muhammad Adnan Naseer Renjie Chen Wen Yang Key Laboratory of Cluster Science of Ministry of Education Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials School of Chemistry and Chemical EngineeringBeijing Institute of TechnologyBeijing 100081China School of Material Science and Engineering Beijing Institute of TechnologyBeijing 100081China Institute of Advanced Technology Beijing Institute of TechnologyJinan 250300China

The development of an inorganic electrochemical stable solid-state electrolyte is essentially responsible for future state-of-the-art all-solid-state lithium batteries(ASSLBs).Because of their advantages in safety,working temperature,high energy density,and packaging,ASSLBs can develop an ideal energy storage system for modern electric vehicles(EVs).A solid electrolyte(SE)model must have an economical synthesis approach,exhibit electrochemical and chemical stability,high ionic conductivity,and low interfacial *** to its highest conductivity of 17 mS·cm^(-1),and deformability,the sulfide-based Li_(7)P_(3)S_(11) solid electrolyte is a promising contender for the high-performance bulk type of ***,we present a current glimpse of the progress of synthetic procedures,structural aspects,and ionic conductivity improvement *** elucidation and mechanistic approaches have been extensively discussed by using various characterization *** chemical stability of Li_(7)P_(3)S_(11) could be enhanced via oxide doping,and hard and soft acid/base(HSAB)concepts are also *** issues to be undertaken for designing the ideal solid electrolytes,interfacial challenges,and high energy density have been *** review aims to provide a bird’s eye view of the recent development of Li_(7)P_(3)S_(11)-based solid-state electrolyte applications and explore the strategies for designing new solid electrolytes with a target-oriented approach to enhance the efficiency of high energy density allsolid-state lithium batteries.

关键词： Li_(7)P_(3)S_(11)solid electrolyte 30Li_(2)S-70P_(2)S_(5)glass ceramics Chemical stability Electrolyte/electrode interphase High energy density all-solid-state lithium batteries

Electrode materials derived from plastic wastes and other industrial wastes for supercapacitors

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Chinese Chemical Letters 2020年第6期31卷 1474-1489页

作者： Wellars Utetiwabo Le Yang muhammad khurram tufail Lei Zhou Renjie Chen Yimeng Lian Wen Yang Key Laboratory of Cluster Science of Ministry of Education Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion MaterialsSchool of Chemistry and Chemical EngineeringBeijing Institute of TechnologyBeijing 100081China School of Material Science and Engineering.Beijing Institute of Technology Beijing 100081China School of Education College of EducationUniversity of RwandaRwamaganaP.O.Box 55.Rwanda

The present review not only devotes on the environmental consequences of plastic bag wastes and other industrial wastes observable in the landfills,in the oceans or elsewhere but also gives a new insight idea on conversion of them into worth material,carbon,for the best electrochemical *** of plastic wastes into high-value materials is the incentive for plastic recycling,end-oflife handling case for plastic bag wastes in practice quite *** plastic recycling waste for reuse saves energy compared with manufacturing virgin ***,we identified several synthetic methods to convert plastic waste and other industrial wastes into carbon material for *** kinds of carbon materials,including nanofiber,nanotube,graphene,mesoporous carbon,etc.,have been derived from plastic waste,and thus give a superior potential for transforming trash into a"gold capacitor".Finally,conclusions and future trends of high-voltage supercapacitors were made as well as the easy and mass production of high-performance electrode materials for *** work offers a promising sustainable approach to handle plastic bags,waste,and other industrial wastes and provides a new avenue in supercapacitor applications and other areas.

关键词： Plastics waste Electrode materials Electrolyte High-voltage supercapacitor Electrical double layer

Orderly defective superstructure for enhanced pseudocapacitive storage in titanium niobium oxide

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Nano Research 2022年第2期15卷 1570-1578页

作者： Le Yang Jinfeng Zeng Lei Zhou Ruiwen Shao Wellars Utetiwabo muhammad khurram tufail Saisai Wang Wen Yang Jiatao Zhang Key Laboratory of Cluster Science of Ministry of Education Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion MaterialsSchool of Chemistry and Chemical EngineeringBeijing Institute of TechnologyBeijing 100081China Beijing Advanced Innovation Center for Intelligent Robots and Systems and Institute of convergence in medicine and engineering Beijing institute of technologyBeijing 100081China Key Laboratory of Active Components of Xinjiang Natural Medicine and Drug Release Technology School of PharmacyXinjiang Medical UniversityUrumqi 830011China

Artificial defect engineering in transition metal oxides is of important terms for numerous *** the present work,we proposed an in-situ gas reduction strategy to introduce ordered defects into titanium niobium oxide embedding on vapor grew carbon fibers(Ti_(2)Nb_(10)O_(29-x)@VGCFs).High-resolution transmission electron microscopy(HRTEM)and fast Fourier transform(FFT)simulation indicate that the ordered oxygen defects locate at interval layers,which leads to a new superstructure in Ti_(2)Nb_(10)O_(29).The ordered defects could provide extra active sites for lithium-ion storage and modulate ionic migration,resulting an enhanced pseudocapacitive *** addition,the excellent structural stability of the superstructure was proved by in-situ HRTEM under a harsh electrochemical *** work provides a directly observation of orderly defective superstructure in transition metal oxide,and its functionality on electrochemistry was revealed.

关键词： Ti_(2)Nb_(10)O_(29) in-situ gas reduction ordered defect lithium-ion hybrid capacitor pseudocapacitance

Space Charge Layer Eff ect in Sulfide Solid Electrolytes in All-Solid-State Batteries: In-situ Characterization and Resolution

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Transactions of Tianjin University 2021年第6期27卷 423-433页

作者： Wei He Lei Zhou muhammad khurram tufail Pengfei Zhai Peiwen Yu Renjie Chen Wen Yang Key Laboratory of Cluster Science of Ministry of Education Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion MaterialsSchool of Chemistry and Chemical EngineeringBeijing Institute of TechnologyBeijing 100081China School of Material Science and Engineering Beijing Institute of TechnologyBeijing 100081China

All-solid-state lithium batteries(ASSLBs)have advantages of safety and high energy density,and they are expected to become the next generation of energy storage ***-based solid-state electrolytes(SSEs)with high ionic conduc-tivity and low grain boundary resistance exhibit remarkable practical ***,the space charge layer(SCL)eff ect and high interfacial resistance caused by a mismatch with the current commercial oxide cathodes restrict the develop-ment of sulfide SSEs and *** review summarizes the research progress on the SCL eff ect of sulfide SSEs and oxide cathodes,including the mechanism and direct evidence from high performance in-situ characterizations,as well as recent progress on the interfacial modification strategies to alleviate the SCL eff *** study provides future direction to stabilize the high performance sulfide-based solid electrolyte/oxide cathode interface for state-of-the-art ASSLBs and future all-SSE storage devices.

关键词： Sulfide-based solid electrolyte Interfaces Space charge layer All-solid-state batteries

Tailored Carrier Transport Path by Interpenetrating Networks in Cathode Composite for High Performance All‑Solid‑State Li‑SeS_(2) Batteries

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Advanced Fiber Materials 2022年第3期4卷 487-502页

作者： Lei Zhou muhammad khurram tufail Yaozu Liao Niaz Ahmad Peiwen Yu Tinglu Song Renjie Chen Wen Yang Key Laboratory of Cluster Science of Ministry of Education Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion MaterialsSchool of Chemistry and Chemical EngineeringBeijing Institute of TechnologyBeijing 100081People’s Republic of China State Key Laboratory for Modifcation of Chemical Fibers and Polymer Materials College of Materials Science and EngineeringDonghua UniversityShanghai 201620People’s Republic of China School of Material Science and Engineering Beijing Institute of TechnologyBeijing 100081People’s Republic of China Advance Technology Research Institute Beijing Institute of TechnologyJinan 250300People’s Republic of China Experimental Center of Advanced Materials School of Materials Science and Engineering Beijing Institute of TechnologyBeijing 100081People’s Republic of China

All-solid-state Li-SeS_(2) batteries(ASSLSs)are more attractive than traditional liquid Li-ion batteries due to superior thermal stability and higher energy ***,various factors limit the practical application of all-solid-state Li-SeS_(2) batteries,such as the low ionic conductivity of the solid-state electrolyte and the poor kinetic property of the cathode composite,resulting in unsatisfactory rate ***,we employed a traditional ball milling method to design a Li_(7)P_(2.9)W_(0.05)S_(10.85) glass–ceramic electrolyte with high conductivity of 2.0 mS cm^(−1) at room *** order to improve the kinetic property,an interpenetrating network strategy is proposed for rational cathode composite ***,the disordered cathode composite with an interpenetrating network could promote electronic and ionic conduction and intimate contacts between the electrolyte–electrode ***,the tortuosity factor of the carrier transport channel is considerably reduced in electrode architectures,leading to superior kinetic ***,assembled ASSLS exhibited higher capacity and better rate capability than its *** work demonstrates that an interpenetrating network is essential for improving carrier transport in cathode composite for high rate all-solid-state Li-SeS_(2) batteries.

关键词： All-Solid-State Li-SeS_(2)batteries Tortuosity factors Carrier transport Cathode composite Interpenetrating network

Evaluation of solid electrolytes: Development of conventional and interdisciplinary approaches

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Interdisciplinary Materials 2023年第4期2卷 529-568页

作者： muhammad khurram tufail Pengbo Zhai Waquar Khokar Mengyang Jia Ning Zhao Xiangxin Guo College of Physics Qingdao UniversityQingdaoChina College of Materials Science and Engineering Qingdao UniversityQingdaoChina

Solid-state lithium batteries(SSLBs)have received considerable attention due to their advantages in thermal stability,energy density,and *** electrolyte(SE)is a key component in developing high-performance *** in-depth understanding of the intrinsic bulk and interfacial properties is imperative to achieve SEs with competitive *** review first introduces the traditional electrochemical approaches to evaluating the fundamental parameters of SEs,including the ionic and electronic conductivities,activation barrier,electrochemical stability,and diffusion *** that,the characterization techniques to evaluate the structural and chemical stability of SEs are ***,emerging interdisciplinary visualization techniques for SEs and interfaces are highlighted,including synchrotron X-ray tomography,ultrasonic scanning imaging,time-of-flight secondary-ion mass spectrometry,and three-dimensional stress mapping,which improve the understanding of electrochemical performance and failure *** addition,the application of machine learning to accelerate the screening and development of novel SEs is *** review article aims to provide an overview of advanced characterization from a broad physical chemistry view,inspiring innovative and interdisciplinary studies in solid-state batteries.

关键词： advanced characterization interdisciplinary techniques machine learning solid electrolytes solid-state batteries

高离子电导率硫化物固态电解质的空气稳定性研究进展

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中国科学：化学 2020年第9期50卷 1031-1044页

作者：吕璐周雷 khurram tufail muhammad 杨乐陈人杰杨文原子分子簇科学教育部重点实验室光电转换材料北京市重点实验室北京理工大学化学与化工学院北京100190 北京理工大学材料学院北京100190

全固态锂电池兼具安全性和高能量密度,作为下一代储能器件备受关注.硫化物固态电解质具有锂离子电导率高、晶界电阻低、机械延展性好等优点,作为最具商业化潜力的固态电解质,引起了产业界和科研单位的广泛兴趣.但是硫化物固态电解质较... 详细信息

全固态锂电池兼具安全性和高能量密度,作为下一代储能器件备受关注.硫化物固态电解质具有锂离子电导率高、晶界电阻低、机械延展性好等优点,作为最具商业化潜力的固态电解质,引起了产业界和科研单位的广泛兴趣.但是硫化物固态电解质较差的空气稳定性导致其制备以及后续组装的硫化物固态全电池需要在氩气保护的环境下进行操作,使得生产成本居高不下,严重制约其产业化的步伐.本文对硫化物固态电解质空气稳定性的相关研究包括空气稳定性的研究方法和衰减反应机制进行详细的梳理和客观分析,并提炼出提高硫化物固态电解质空气稳定性相应的策略与方法.

关键词：硫化物固态电解质空气稳定性全固态电池

SnIP-type atomic-scale inorganic double-helix semiconductors: Synthesis, properties, and applications

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Nano Research 2024年第3期17卷 2111-2128页

作者： Mudussar Ali Bowen Zhang muhammad khurram Qingfeng Yan Engineering Research Center of Advanced Rare Earth Materials(Ministry of Education) Department of ChemistryTsinghua UniversityBeijing 100084China

Flexible inorganic double helical semiconductors similar to DNA have fueled the demand for efficient materials with innovative structures and excellent *** recent discovery of tin phosphide iodide(SnIP),the first carbon-free double helical semiconductor at an atomic level,has opened new avenues of research for semiconducting devices such as thermoelectric and sensor devices,solar cells,and *** has drawn significant academic attention due to its high structural flexibility,band gap in the visible spectrum range,and non-toxic ***,the recent progress in developing SnIP,including its prestigious structure,versatile and intriguing properties,and synthesis,is *** analogues of SnIP and SnIP-based hybrid materials and their applications in photocatalysis are also ***,the review concludes with a critical summary and future aspects of this new inorganic semiconductor.

关键词： tin phosphide iodide(SnIP) inorganic semiconductor inorganic double helix SnIP-based hybrids photocatalysis flexible material

Improved Channel Reciprocity for Secure Communication in Next Generation Wireless Systems

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Computers, Materials & Continua 2021年第5期67卷 2619-2630页

作者： Imtisal Qadeer muhammad khurram Ehsan Faculty of Engineering Bahria UniversityLahore CampusLahorePakistan

To secure the wireless connection between devices with low computational power has been a challenging problem due to heterogeneity in operating devices,device to device communication in Internet of Things(IoTs)and 5G wireless *** layer key generation(PLKG)tackles this secrecy problem by introducing private keys among two connecting devices through wireless *** this paper,relative calibration is used as a method to enhance channel reciprocity which in turn increases the performance of the key generation *** reciprocity based key generation is emerged as better PLKG methodology to obtain secure wireless connection in IoTs and 5G *** deconvolution is proposed as a promising technique for relative calibration to ensure channel reciprocity in comparison to existing techniques Total Least Square(TLS)and Structured Total Least Square(STLS).The proposed deconvolution technique replicates the performance of the STLS by exploiting the possibility of higher information reuse and its lesser computational complexity leads to less processing time in comparison to the *** presented idea is validated by observing the relation between signalto-noise ratio(SNR)and the correlation coefficient of the corresponding channel measurements between communicating parties.

关键词： Channel measurements physical layer key generation channel reciprocity Internet of things deconvolution