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| 1 | A review of lithium-ion battery safety concerns:The issues,strategies,and testing standards显示文摘Efficient and reliable energy storage systems are crucial for our modern society.Lithium-ion batteries(LIBs)with excellent performance are widely used in portable electronics and electric vehicles(EVs),but frequent fires and explosions limit their further and more widespread applications.This review summarizes aspects of LIB safety and discusses the related issues,strategies,and testing standards.Specifically,it begins with a brief introduction to LIB working principles and cell structures,and then provides an overview of the notorious thermal runaway,with an emphasis on the effects of mechanical,electrical,and thermal abuse.The following sections examine strategies for improving cell safety,including approaches through cell chemistry,cooling,and balancing,afterwards describing current safety standards and corresponding tests.The review concludes with insights into potential future developments and the prospects for safer LIBs. | Yuqing Chen Yuqiong Kang Yun Zhao Li Wang Jilei Liu Yanxi Li Zheng Liang Xiangming He Xing Li Naser Tavajohi Baohua Li | 2021 | Journal of Energy Chemistry2021，30，8： | 29 |
| 2 | Hydrothermal Synthesis of Orthorhombic LiMnO_(2)Nano-Particles and LiMnO_(2)Nanorods and Comparison of their Electrochemical Performances显示文摘Orthorhombic LiMnO_(2)nanoparticles and LiMnO_(2)nanorods have been synthesized by hydrothermal methods.LiMnO_(2)nanoparticles were synthesized by simple one-step hydrothermal method.To obtain rod-like LiMnO_(2),γ-MnOOH nanorods were first synthesized and then the H+ions were completely replaced by Li+resulting in LiMnO_(2)nanorods.Their electrochemical performances were thoroughly investigated by galvanostatic tests.Although the LiMnO_(2)nanoparticles have smaller size than LiMnO_(2)nanorods,the latter exhibited higher discharge capacity and better cyclability.For example,the discharge capacities of LiMnO_(2)nanorods reached 200 mA·h/g over many cycles and remained above 180 mA·h/g after 30 cycles.However,the maximum capacity of LiMnO_(2)nanoparticles was only 170 mA·h/g and quickly decreased to 110 mA·h/g after 30 cycles.Nanorods with one-dimensional electronic pathways favor the transport of electrons along the length direction and accommodate volume changes resulting from charge/discharge processes.Thus the morphology of LiMnO_(2)may play an important role in electrochemical performance. | Xiaoling Xiao Li Wang Dingsheng Wang Xiangming He Qing Peng Yadong Li | 2009 | Nano Research2009，2，12： | 8 |
| 3 | Internal short circuit detection method for battery pack based on circuit topology显示文摘Internal short circuit(ISCr) is one of the major obstacles to the improvement of the battery safety. The ISCr may lead to the battery thermal runaway and is hard to be detected in the early stage. In this work, a new ISCr detection method based on the symmetrical loop circuit topology(SLCT) is introduced. The SLCT ensures that every battery has the same priority in the circuit and every battery will contribute the same amount of short-circuit current to the ISCr once the ISCr happens. The ISCr battery could be identified by the combination of the ratio of the short-circuit currents and the sign of the short-circuit currents. The recursive least square method is adopted for the real-time application and the optimized ammeters allocation is derived from the mathematic deduction. The battery pack based on the individual DP(dual polarization) battery model is established to verify the ISCr detection method. The 1–1000 Ω s ISCr(the early stage ISCr) can be effectively detected within 1–125 s. The SLCT provides the possibility of new battery pack designs and new battery management methods. The proposed ISCr detection method shows excellent effectiveness and efficiency on the identification of the ISCr battery in the early stage. | ZHANG MingXuan DU JiuYu LIU LiShuo SIEGEL Jason LU LanGuang HE XiangMing OUYANG MingGao | 2018 | Science China(Technological Sciences)2018，61，10： | 6 |
| 4 | Midterm results of diagnostic treatment and repair strategy in older patients presenting with nonrestrictive ventricular septal defect and severe pulmonary artery hypertension显示文摘 | Liu Aijun Li Zhiqiang Li Xiaofeng Fan Xiangming Su Junwu Zhang Jing He Yan Liu Yinglong | 2014 | Chinese Medical Journal2014，，5： | 6 |
| 5 | Internal short circuit evaluation and corresponding failure mode analysis for lithium-ion batteries显示文摘Internal short circuit(ISC)is the major failure problem for the safe application of lithium-ion batteries,especially for the batteries with high energy density.However,how to quantify the hazard aroused by the ISC,and what kinds of ISC will lead to thermal runaway are still unclear.This paper investigates the thermal-electrical coupled behaviors of ISC,using batteries with Li(Ni_(1/3)CO_(1/3)Mn_(1/3))O_(2) cathode and composite separator.The electrochemical impedance spectroscopy of customized battery that has no LiPF6 salt is utilized to standardize the resistance of ISC.Furthermore,this paper compares the thermal-electrical coupled behaviors of the above four types of ISC at different states-of-charge.There is an area expansion phenomenon for the aluminum-anode type of ISC.The expansion effect of the failure area directly links to the melting and collapse of separator,and plays an important role in further evolution of thermal runaway.This work provides guidance to the development of the ISC models,detection algorithms,and correlated countermeasures. | Lishuo Liu Xuning Feng Christiane Rahe Weihan Li Languang Lu Xiangming He Dirk Uwe Sauer Minggao Ouyang | 2021 | Journal of Energy Chemistry2021，30，10： | 5 |
| 6 | Micromorphological Features of Diagnostic Horizons in Several soils in Southwest China: Implication for Soil Taxonomic Classification显示文摘The comparative studies on micromorphological features in diagnostic horizons of Stagnic Anthrosols, Ustic Ferrosols and Ustic Vertosols in southwestern China were conducted to underpin the rationale for Chinese Soil Taxonomy. The following findings were explored: (1) Stagnic Anthrosols had the specific micromorphological features, e.g., the humic formation in anthrostagnic epipedon, the platy structures in plow subhorizon, the secondary formation of ferromanganese and the weakly optical-orientation clay domains in hydragric horizon, etc.: (2) The groundmasses of ferric horizon in Ustic Ferrosols appeared in hue of 2.5YR or redder, and had pellicular grain structure; (3) Ustic Vertosols had a crust horizon (Acr), and crack structure dominated in Acr and angular blocky structure in disturbed horizon; (4) Because of the distinct differences in micromorphological features among these three soils, the specific micromorphological features might be employed as diagnostic horizons to differentiate soils while the quantifiable micromorphological features might potentially be selected as diagnostic indices for Chinese soil taxonomic classification. | XU Xiangming HE Yurong HUANG Chengmin XIONG Donghong | 2010 | Journal of Mountain Science2010，7，1： | 5 |
| 7 | Shape Control of CoO and LiCoO_(2) Nanocrystals显示文摘Shape control of nanocrystals has become a significant subject in materials science.In this work,we describe a convenient way to achieve morphology-controllable synthesis of CoO nanocrystals including octahedrons and spheres as well as LiCoO_(2) polyhedrons and spheres.In particular,we explain the formation of CoO octahedrons exposing only high-energy(111)facets using theoretical calculations;these should also be a useful tool for directing future face-controlled preparation of other nanocrystals.More importantly,the as-obtained LiCoO_(2) nanocrystals showed different electrochemical performance depending on their morphology,indicating that Li-insertion/deintercalation dynamics might be crystal face-sensitive. | Dingsheng Wang Xiaoling Ma Yanggang Wang Li Wang Zhongying Wang Wen Zheng Xiangming He Jun Li Qing Peng Yadong Li | 2010 | Nano Research2010，3，1： | 4 |
| 8 | Effect of direct current pulse stimulating acupoints of JiaJi (T10-L3) and Ciliao (BL 32) with Han's Acupoint Nerve Stimulator on labour pain in women: a randomized controlled clinical study显示文摘OBJECTIVE: To assess the clinical effect and safety of direct current(DC) pulse produced by Han's Acupoint Nerve Stimulator in reduction(HANS) of labor pain.METHODS: Totally 120 participants were enrolled in this clinical trial, and were randomly divided into4 groups including: HANS group, patient controlled intravenous analgesia(PCIA) group, patient-controlled epidural analgesia(PCEA) group and control group. The HANS group was treated by stimulating the acupoints of Jia Ji(T10-L3) and Ciliao(BL 32)with DC pulse of 100 Hz and 15-30 m A produced by a portable battery-powered Han's Acupoint Nerve Stimulator for 30 min. The PCIA group was intravenously infused Ondansetron(8 mg) for 5 min,then tramadol injection(1.5 mg/kg) was slowly dripped by using Baxter APⅡ electronic pump with50 m L tramadol(0.70%) + ondansetron(8 mg),background infusion 2 m L/h, PCA dose of 2 m L,lockout interval of 10 min. In PCEA group, women received intrathecal injection ropivacaine(3 mg) in L2-3, and epidural catheter was connected to Baxter APⅡ electronic pump, with 100 m L Ropivacaine(0.1%) and Sufentanil(50 ug), background infusion5 m L, Patient controlled analgesia(PCA) dose of 5m L, lockout interval of 10 min. The control group was not received analgesia. The visual analogue scale(VAS), stage and manner of labor, Apgar score of newborn, neonatal weights, oxytocin dosage,postpartum hemorrhage and side effects were monitored in all groups.RESULTS: The vital signs were all stable in the four analgesic groups. After analgesia, there was statistical difference in VAS score between HANS group and control group, between PCEA group and the control group, between PCIA group and control group. The analgesic effect in the PCEA group was significantly better than that of other two groups.The second stage of labor in the PCEA group was longer than the other three groups, showing significant difference between them. The Apgar score of newborn 1min after birth in the PCIA group was slightly lower than that of the other two groups,showing significant difference between them. The neonatal weights between four groups were not significantly different. The rate of cesarean sectionin the control group was significantly higher than that of the labor analgesia group, there was statistically difference in four groups. The number of PCIA group that used oxytocin was lower than that of other three groups. There was no significant difference in postpartum hemorrhage between four groups. The side effects of the PCEA group were itching, uroschesis and neonatal asphyxia and PCIA group were nausea and vomiting and neonatal asphyxia. However, fewer side effects were observed in the HANS group.CONCLUSION: The DC pulse produced by HANS may be a non-pharmacological alternative to labor pain with fewer side effects. | Liu Ye Xu Mingjun Che Xiangming He Junqin Guo Dandan Zhao Guosheng Zhang Guogang Zhang Shuo Kang Kai Zhang Chunlei Wang Yinan Li Shan Zhang Qinglin Xu Li Zhang Ming Han Bin Jing Yumiao Zhang Ning | 2015 | Journal of Traditional Chinese Medicine2015，35，6： | 4 |
| 9 | Surgical treatment of interrupted aortic arch associated with ventricular septal defect and patent ductus arteriosus in patients over one year of age显示文摘 | Li Zhiqiang Li Bin Fan Xiangming Su Junwu Zhang Jing He Yan Liu Yinglong | 2014 | Chinese Medical Journal2014，，9： | 4 |
| 10 | Confining ultrafine Li3P nanoclusters in porous carbon for highperformance lithium-ion battery anode显示文摘High-capacity lithium-containing alloy anodes(e.g.,Li4.4Si,Li4.4Sn,and Li3P)enable lithium-free cathodes(e.g.,Sulfur,V2O5,and FeF3)to produce next-generation lithium-ion batteries(LIBs)with high energy density.Herein,we design a Li3P/C nanocomposite with Li3P ultrafine nanodomains embedded in micrometer-scale porous carbon particles.Benefiting from the unique micro/nanostructure of the Li3P/C nanocomposite,electrons transfer rapidly through the conductive pathway provided by the porous carbon framework and the volume change between Li3P and P is confined in the nanopores of the carbon,which avoids the collapse of the whole Li3P/C composite particles.As expected,the as-achieved Li3P/C nanocomposite provided a high available lithium-ion capacity of 791 mAh/g(calculated based on the mass of Li3P/C)at 0.1 C during the initial delithiation process.Meanwhile,the Li3P/C nanocomposite showed 75%of its 0.5 C capacity at 6 C and stable cycling stability. | Eryang Mao Wenyu Wang Mintao Wan Li Wang Xiangming He Yongming Sun | 2020 | Nano Research2020，13，4： | 3 |
| 11 | Performance of Sn-Cu Alloy Anode at Low Temperature显示文摘Sn-Cu alloy anode was prepared by pulsed electrodeposition for lithium ion batteries, and its electrochemical per-formance was tested at low temperature. When temperature decreased from 25°C to -20°C, the Sn-Cu alloyanode provided the capacity retentions of 76% in the electrolyte of 1 mol/L LiBF4/EC+EMC+7BL and 51% inthe electrolyte of 1 mol/L LiPF6/EC+DMC+DEC. Under the same conditions, the graphite anode presented thecapacity retentions of only 41% and 18%, respectively. The Sn-Cu alloy anode showed better performance in theelectrolyte of 1 mol/L LiBF4/EC+EMC+7BL than in the electrolyte of 1 mol/L LiPF6/EC+DMC+DEC, and keptmuch higher capacity retention than that of graphite at -20°C. The Sn-Cu alloy anode in the electrolyte of 1 mol/LLiBF4/EC+EMC+γBL (1.1:1, volume ratio) is promising for low temperature application of lithium batteries. | Jianguo REN, Weihua PU,Xiangming HE Chunrong WAN and Changyin JIANGMaterials Chemistry Lab, INET, Tsinghua University, Beijing 102201, China | 2005 | Journal of Materials Science & Technology2005，21，5： | 3 |
| 12 | Effect of silica nanoparticles/poly(vinylidene fluoride-hexafluoropropylene) coated layers on the performance of polypropylene separator for lithium-ion batteries显示文摘In an effort to reduce thermal shrinkage and improve electrochemical performance of porous polypropylene(PP) separators for lithium-ion batteries, a new composite separator is developed by introducing ceramic coated layers on both sides of PP separator through a dip-coating process. The coated layers are comprised of heat-resistant and hydrophilic silica nanoparticles and polyvinylidene fluoride-hexafluoropropylene(PVDF-HFP) binders. Highly porous honeycomb structure is formed and the thickness of the layer is only about 700 nm. In comparison to the pristine PP separator, the composite separator shows significant reduction in thermal shrinkage and improvement in liquid electrolyte uptake and ionic conduction, which play an important role in improving cell performance such as discharge capacity, C-rate capability, cycle performance and coulombic efficiency. | Hongyu Liu Zehui Dai Jun Xu Baohua Guo Xiangming He | 2014 | Journal of Energy Chemistry2014，23，5： | 3 |
| 13 | Boron-doped Ketjenblack based high performances cathode for rechargeable Li–O2 batteries显示文摘Boron-doped Ketjenblack is attempted as cathode catalyst for non-aqueous rechargeable Li–O_2 batteries. The boron-doped Ketjenblack delivers an extremely high discharge capacity of 7193 m Ah/g at a current density of 0.1 m A/cm2, and the capacity is about 2.3 times as that of the pristine KB. When the batteries are cycled with different restricted capacity, the boron-doped Ketjenblack based cathodes exhibits higher discharge platform and longer cycle life than Ketjenblack based cathodes. Additionally, the boron-doped Ketjenblack also shows a superior electrocatalytic activity for oxygen reduction in 0.1 mol/L KOH aqueous solution. The improvement in catalytic activity results from the defects and activation sites introduced by boron doping. | Yueyan Li Li Wang Xiangming He Bin Tang Yunxue Jin Jianlong Wang | 2016 | Journal of Energy Chemistry2016，25，1： | 3 |
| 14 | Surface modification of polyolefin separators for lithium ion batteries to reduce thermal shrinkage without thickness increase显示文摘Surface chemical modification of polyolefin separators for lithium ion batteries is attempted to reduce the thermal shrinkage, which is important for the battery energy density. In this study, we grafted organic/inorganic hybrid crosslinked networks on the separators, simply by grafting polymerization and condensation reaction. The considerable silicon-oxygen crosslinked heat-resistance networks are responsible for the reduced thermal shrinkage. The strong chemical bonds between networks and separators promise enough mechanical support even at high temperature. The shrinkage at 150 C for 30 min in the mechanical direction was 38.6% and 4.6% for the pristine and present graft-modified separators, respectively. Meanwhile, the grafting organic-inorganic hybrid crosslink networks mainly occupied part of void in the internal pores of the separators, so the thicknesses of the graft-modified separators were similar with the pristine one. The half cells prepared with the modified separators exhibited almost identical electrochemical properties to those with the commercial separators, thus proving that, in order to enhance the thermal stability of lithium ion battery, this kind of grafting-modified separators may be a better alternative to conventional silica nanoparticle layers-coated polyolefin separators. | Peng Zhao Juping Yang Yuming Shang Li Wang Mou Fang Jianlong Wang Xiangming He | 2015 | Journal of Energy Chemistry2015，24，2： | 3 |
| 15 | Charge/discharge characteristics of sulfur composite cathode materials in rechargeable lithium batteries显示文摘 | Xiangming He Weihua Pu Jianguo Ren Li Wang Jiulin Wang Changyin Jiang Chunrong Wan | 2007 | Electrochimica Acta2007，，25： | 2 |
| 16 | Li_(4)Ti_(5)O_(12)spinel anode:Fundamentals and advances in rechargeable batteries显示文摘The Li_(4)Ti_(5)O_(12)(LTO)spinel material,ranking at the second large market share after graphite,is a promising anode material for lithium-ion batteries due to its good cycle stability,rate capability,and safety with both conventional and low-temperature electrolytes.However,several critical challenges,such as the low capacity and gassing issue,hindered the wide applications of LTO anode.Recent progress indicated that the LTO performances are possible to be further improved by novel strategies,such as heterogeneous phase control,surface engineering,or overlithiation.To rethink and develop advanced LTO anodes,this review intensively associates the performances and modification strategies with the electronics/crystal structures.From a thermodynamic/kinetic point of view,we summarized the data obtained from recently developed characterization techniques,and the results of electrochemical performances and fundamental structures of LTO to potentially address several key challenges and issues toward advanced LTO anodes.As a result,light is shed on the future research direction of the LTO anodes. | Hao Zhang Yang Yang Hong Xu Li Wang Xia Lu Xiangming He | 2022 | InfoMat2022，4，4： | 2 |
| 17 | Micromorphological Features of Paleo-Stagnic-Anthrosols at Archaeological Site of Sanxingdui,China显示文摘The archaeological site of the Sanxingdui may date back as far as 5,000 years ago.The typical profiles of Palaeo-Stagnic-Anthrosols near the ancient site were selected,which aimed to identify diagnostic horizons employing methodology of soil taxonomic classification and to reveal the micromorphological properties of the paleosols.Under long-term anthropogenic mellowing,the discernible differentiation between anthrostagnic epipedon and its subhorizons as well as hydragric horizon and its subhorizons occurred in Paleo-Stagnic-Anthrosols at the archaeological site of the Sanxingdui.The micromorphological properties diversified among each specific diagnostic subhorizon,e.g.,the developed microstructure in cultivated subhorizon within anthrostagnic epipedon,closely arranged particles and considerable micropores beneficial to both of water conservation and filtration in plow subhorizon within anthrostagnic epipedon,and automorphic optical-orientation clays and calcareous corrosion in hydragric horizons.The findings above of micromorphological features related with diagnostic horizons are significant for soil taxonomic classification. | HE Yurong HUANG Chengmin XU Xiangming WANG Yanqiang HE Xiubin | 2008 | Journal of Mountain Science2008，5，4： | 2 |
| 18 | Tailoring Practically Accessible Polymer/Inorganic Composite Electrolytes for All-Solid-State Lithium Metal Batteries:A Review显示文摘Solid-state electrolytes(SSEs)are widely considered the essential components for upcoming rechargeable lithium-ion batteries owing to the potential for great safety and energy density.Among them,polymer solid-state electrolytes(PSEs)are competitive candidates for replacing commercial liquid electrolytes due to their flexibility,shape versatility and easy machinability.Despite the rapid development of PSEs,their practical application still faces obstacles including poor ionic conductivity,narrow electrochemical stable window and inferior mechanical strength.Polymer/inorganic composite electrolytes(PIEs)formed by adding ceramic fillers in PSEs merge the benefits of PSEs and inorganic solid-state electrolytes(ISEs),exhibiting appreciable comprehensive properties due to the abundant interfaces with unique characteristics.Some PIEs are highly compatible with high-voltage cathode and lithium metal anode,which offer desirable access to obtaining lithium metal batteries with high energy density.This review elucidates the current issues and recent advances in PIEs.The performance of PIEs was remarkably influenced by the characteristics of the fillers including type,content,morphology,arrangement and surface groups.We focus on the molecular interaction between different components in the composite environment for designing high-performance PIEs.Finally,the obstacles and opportunities for creating high-performance PIEs are outlined.This review aims to provide some theoretical guidance and direction for the development of PIEs. | Hongmei Liang Li Wang Aiping Wang Youzhi Song Yanzhou Wu Yang Yang Xiangming He | 2023 | Nano-Micro Letters2023，15，3： | 2 |
| 19 | Properties of mouse retinal ganglion cell dendritic growth during postnatal development显示文摘The property of dendritic growth dynamics during development is a subject of intense interest.Here,we investigated the dendritic motility of retinal ganglion cells (RGCs) during different developmental stages,using ex vivo mouse retina explant culture,Semliki Forest Virus transfection and time-lapse observations.The results illustrated that during development,the dendritic motility underwent a change from rapid growth to a relatively stable state,i.e.,at P0 (day of birth),RGC dendrites were in a highly active state,whereas at postnatal 13 (P13) they were more stable,and at P3 and P8,the RGCs were in an intermediate state.At any given developmental stage,RGCs of different types displayed the same dendritic growth rate and extent.Since the mouse is the most popular mammalian model for genetic manipulation,this study provided a methodological foundation for further exploring the regulatory mechanisms of dendritic development. | YANG XiuLan,SHI XiangMing & HE ShiGang State Key Laboratory of Brain and Cognitive Sciences,Institute of Biophysics,Chinese Academy of Sciences,Beijing 100101,China | 2010 | Science China(Life Sciences)2010，53，6： | 2 |
| 20 | Dynamic Study on Water Stability of Soil Structure and Soil Characteristics of Several Types of Soils in Southwest China显示文摘Three suborder soils in southwest China were adopted,namely Ustic Vertisol,Stagnic Anthrosol and Ustic Ferrosol, so as to carry out the basic physical and chemical analysis respectively, to design a dynamic measuring method for water stability of soil structure and conduct the comparative study on the quality of the soil structure. The results indicated that ① The water stability dynamic characteristic of the soil structure could well reflect the maintaining capability of the soil structure as time goes on. ② The quality of several soil structures in southwest China was sequenced as follows:Stagnic Anthrosols ∨Ustic Vertisols ∨Ustic Ferrosols. ③ The water stability of soil structure is very positively correlated with the capillary porosity and the clay particle (D ∧0.002 mm) content (Cc), but is very negatively correlated with the silt (D is 0.05-0.002 mm) content (Csc), and ④ The dynamic functional equation of the water stability of soil structure in southwest China was established, so that the water stability characteristics of various soil structures could be quantitatively expressed and the quality of different soil structures can be quantitatively compared from each other. | SHEN Nan HE Yurong XU Xiangming | 2008 | Wuhan University Journal of Natural Sciences2008，13，3： | 2 |
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