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| 1 | Progress of rechargeable lithium metal batteries based on conversion reactions显示文摘In this review,we focus on the conversion reaction in newly raised rechargeable lithium bateries instanced by lithium–sulfur and lithium–oxygen bateries.A comprehensive discussion is made on the fundamental electrochemistry and recent advancements in key components of both types of the bateries.he critical problems in the Li–S and Li–O_2 conversion electrochemistry are addressed along with the corresponding improvement strategies,for the purpose of shedding light on the rational design of bateries to reach optimal performance. | Sen Xin Zhiwen Chang Xinbo Zhang Yu-Guo Guo | 2017 | National Science Review2017,4,1: | 13 |
| 2 | Photocatalytic CO2 reduction highly enhanced by oxygen vacancies on Pt-nanoparticle-dispersed gallium oxide显示文摘催化剂为解决精力和环境危机正在答应的 metal-oxide-based 上的 Photocatalytic 公司 2 减小由人类面对了。氧空缺(V 金属氧化物上的 o ) 被期望是在 metal-oxide-based 催化剂上影响 photocatalytic 公司 2 减小的效率的一个关键因素。然而,迄今为止的问题 V o 影响 photocatalytic 公司 2 减小仍然是未答复的。此处,我们报导那,在 V 与磅 nanoparticles 涂的 o -rich 镓氧化物( V o -rich Pt/Ga 2 O 3),公司2 photocatalytically 被归结为公司,吗与高度提高的公司进化评价( 21.0 摩尔湥??剏??椠楮楴瑡癩?瀠潲楶敤?楨桧爭獥汯瑵潩?汣浩瑡?楳畭慬楴湯?潦?桴?潤慭湩挠癯牥湩?慅瑳?楳?吠楨?瑳摵?湡瑬?瑬吗?? | Yun-Xiang Pan Zheng-Qing Sun Huai-Ping Cong Yu-Long Men Sen Xin Jie Song Shu-Hong Yu | 2016 | Nano Research2016,9,6: | 12 |
| 3 | Strategies for improving the storage performance of silicon-based anodes in lithium-ion batteries显示文摘Silicon has attracted much attention as a promising anode material for lithium-ion batteries (LIBs) due to its high theoretical capacity and rich resource abundance. However, the practical battery use of Si is challenged by its low conductivity and drastic volume variation during the Li uptake/release process. Tremendous efforts have been made on shrinking the particle size of Si into nanoscale so that the volume variation could be accommodated. However, the bare nano-Si material would still pulverize upon (de)lithiation. Moreover, it shows an excessive surface area to invite unlimited growth of solid electrolyte interface that hinders the transportation of charge carriers, and an increased interparticle resistance. As a result, the Si nanoparticles gradually lose their electrical contact during the cycling process, which accounts for poor thermodynamic stability and sluggish kinetics of the anode reaction versus Li. To address these problems and improve the Li storage performance of nano-Si anode, proper structural design should be applied on the Si anode. In this perspective, we will briefly review some strategies for improving the electrochemistry versus Li of nano-Si materials and their derivatives, and show opinions on the optimal design of nanostructured Si anode for advanced LIBs. | Wei Tao Ping Wang Ya You Kyusung Park Cao-Yu Wang Yong-Ke Li Fei-Fei Cao Sen Xin | 2019 | Nano Research2019,12,8: | 9 |
| 4 | Advances of polymer binders for silicon-based anodes in high energy density lithium-ion batteries显示文摘Conventional lithium-ion batteries(LIBs)with graphite anodes are approaching their theoretical limitations in energy density.Replacing the conventional graphite anodes with high-capacity Si-based anodes represents one of the most promising strategies to greatly boost the energy density of LIBs.However,the inherent huge volume expansion of Si-based materials after lithiation and the resulting series of intractable problems,such as unstable solid electrolyte interphase layer,cracking of electrode,and especially the rapid capacity degradation of cells,severely restrict the practical application of Sibased anodes.Over the past decade,numerous reports have demonstrated that polymer binders play a critical role in alleviating the volume expansion and maintaining the integrity and stable cycling of Si-based anodes.In this review,the state-of-the-art designing of polymer binders for Si-based anodes have been systematically summarized based on their structures,including the linear,branched,crosslinked,and conjugated conductive polymer binders.Especially,the comprehensive designing of multifunctional polymer binders,by a combination of multiple structures,interactions,crosslinking chemistries,ionic or electronic conductivities,soft and hard segments,and so forth,would be promising to promote the practical application of Si-based anodes.Finally,a perspective on the rational design of practical polymer binders for the large-scale application of Si-based anodes is presented. | Yu-Ming Zhao Feng-Shu Yue Shi-Cheng Li Yu Zhang Zhong-Rong Tian Quan Xu Sen Xin Yu-Guo Guo | 2021 | InfoMat2021,3,5: | 8 |
| 5 | SnO_2 hollow spheres:Polymer bead-templated hydrothermal synthesis and their electrochemical properties for lithium storage显示文摘SnO2 hollow spheres have been synthesized via a facile hydrothermal method using sulfonated polystyrene beads as a template followed by a calcination process in air.X-ray diffraction,scanning electron microscopy,and transmission electron microscopy show that the as-obtained SnO2 hollow spheres have a wall thickness of about 50 nm,and consist of nanosized SnO2 particles with a mean diameter of about 15 nm.Electrochemical measurements indicate that the SnO2 hollow spheres exhibit improved electrochemical performance in terms of specific capacity and rate capability in comparison with commercial SnO2 when used as anode materials for lithium-ion batteries.The enhanced performance may be attributed to the spherical and hollow structure,as well as the building blocks of SnO2 nanoparticles. | YIN YaXia XIN Sen WAN LiJun LI CongJu GUO YuGuo | 2012 | Science China Chemistry2012,55,7: | 6 |
| 6 | Biotemplated synthesis of three-dimensional porous MnO/C-N nanocomposites from renewable rapeseed pollen: An anode material for lithium-ion batteries显示文摘锂离子电池(解放) 当前作为可得到的最流行的力量来源之一被认出。到预付展出长期的耐力的解放的构造,大注意对提高他们的差的周期稳定性被给予了。因为解放的表演依赖于采用的电极材料,改进他们的寿命的最有希望的途径是新奇电极材料的设计。我们此处描述合理设计一三维(3D ) 是的多孔的 MnO/C-N nanoarchitecture 为长周期生活解放的阳极材料基于他们从经由一条灵巧的退火沉浸的线路的便宜、可更新、丰富的油菜籽花粉(R 花粉) 的准备。显著地,有它的优化 3D nanostructure 的同样准备的 MnO/C-N 展出了一个高特定的能力(756.5 | Li-Feng Chen Sheng-Xiang Ma Shu Lu Yue Feng Jia Zhang Sen Xin Shu-Hong Yu | 2017 | Nano Research2017,10,1: | 5 |
| 7 | A Novel Green Preparation ofα,α′-Bis(substituted benzylidene)-cycloalkanones Promoted by FeCl3·6H2O in Ionic Liquid显示文摘α, α'-Bis(substituted benzylidene)cycloalkanones were efficiently prepared fromcycloalkanones and benzaldehydes in [bmim][BF4] by using iron(Ⅲ) chloride hexahydrate as acatalyst. It is shown that [bmim][BF4] and iron(Ⅲ) chloride hexahydrate can be quantitativelyrecovered and be reused effectively for many times. Compared with the known methods, thisnovel process has the advantage of being an environmentally benign process together with goodyields and mild reaction conditions. | Xin Ying ZHANG, Xue Sen FAN, Hong Ying NIU, Jian Ji WANGSchool of Chemical and Environmental Sciences, Henan Normal University, Key Laboratory ofEnvironmental Science and Engineering of Henan Education Department,Xinxiang 453002 | 2003 | Chinese Chemical Letters2003,14,10: | 5 |
| 8 | Co3O4 modified Ag/g-C3N4 composite as a bifunctional cathode for lithium-oxygen battery显示文摘Rechargeable lithium-oxygen(Li-O2)batteries have appeal to enormous attention because they demonstrate higher energy density than the state-of-the-art Li-ion batteries.Whereas,their practical application is impeded by several challenging problems,such as the low energy round trip efficiencies and the insufficient cycle life,due to the cathode passivation caused by the accumulation of discharge products.Developing efficient catalyst for oxygen reduction and evolution reactions is effective to reduce the overpotentials in Li-O2cells.In our work,we report a Co3O4modified Ag/g-C3N4nanocomposite as a bifunctional cathode catalyst for Li-O2cells.The g-C3N4substrate prevents the accumulation of Ag and Co3O4nanoparticles and the presence of Ag NPs improves the surface area of g-C3N4and electronic conductivity,significantly improving the oxygen reduction/evolution capabilities of Co3O4.Due to a synergetic effect,the Ag/g-C3N4/Co3O4nanocomposite demonstrates a higher catalytic activity than each individual constituent of Co3O4or Ag/g-C3N4for the ORR/OER on as catalysts in Li-O2cells.As a result,the Ag/gC3N4/Co3O4composite shows impressive electrochemical performance in a Li-O2battery,including high discharge capacity,small gap between charge and discharge potential,and high cycling stability. | Qi Guo Chenwei Zhang Chaofeng Zhang Sen Xin Pengchao Zhang Qiufan Shi Dawei Zhang Ya You | 2020 | Journal of Energy Chemistry2020,29,2: | 4 |
| 9 | A novel synthesis of pyrazolo[3,4-b]pyridine derivatives through multi-component reaction in ionic liquid显示文摘An efficient and novel procedure for the preparation of pyrazolo[3,4-b]pyridine derivatives through multi-component reaction of aldehyde, 5-amino-3-methyl-1-phenylpyrazole and malononitrile or cyanoacetate in [bmim][BF4] is described in this paper. Advantages of the method presented here include mild conditions, high yields together with a green nature and ease of recovery and reuse of the reaction medium. | Xin Ying Zhang Xiao Yan Li Xue Sen Fan Xia Wang Jian Ji Wang Gui Rong Qu | 2008 | Chinese Chemical Letters2008,19,2: | 3 |
| 10 | Air-stability of sodium-based layered-oxide cathode materials显示文摘Sodium-ion batteries have the potential to be an alternative to lithium-ion batteries especially for applications such as large-scale grid energy storage. The development of suitable cathode materials is crucial to the commercialization of sodium-ion batteries.Sodium-based layered-type transition metal oxides are promising candidates as cathode materials as they offer decent energy density and are easy to be synthesized. Unfortunately, most layered oxides suffer from poor air-stability, which greatly increases the cost of manufacturing and handling. The air-sensitivity severely limits the development and commercial application of sodium-ion batteries. A review that summarizes the latest understanding and solutions of air-sensitivity is desired. In this review,the background and fundamentals of sodium-based layered-type cathode materials are presented, followed by a discussion on the latest research on air-sensitivity of these materials. The mechanism is complex and involves multiple chemical and physical reactions. Various strategies are shown to alleviate some of the corresponding problems and promote the feasible application of sodium-ion batteries, followed by an outlook on current and future research directions of air-stable cathode materials. It is believed that this review will provide insights for researchers to develop practically relevant materials for sodium-ion batteries. | Hu-Rong Yao Lituo Zheng Sen Xin Yu-Guo Guo | 2022 | Science China Chemistry2022,65,6: | 3 |
| 11 | Field Detection of Chiorophyll-a Concentration in the Sea Surface Layer by an Airborne Oceanographic Lidar显示文摘An airborne oceanographic lidar, with a frequency-tripled Q-switched Nd: YAG laser of 355 nm, has been designed to measure chlorophyll-a (Chl-a) concentration in the sea surface layer by the Ocean Remote Sensing Institute, OUC. The field experi- ment was carried out in the bay which is located south of the Liaodong Peninsula on the 10th of September 2005. After the flight, the raw data were processed and analyzed by the fluorescence-to-Raman ratio method with seawater attenuation coefficients calculated from signal profiles. The results of Chl-a concentration measurements by lidar are shown. The measurements in clear sea water were also compared with those of Chl-a concentration by a Moderate Resolution Imaging Spectroradiometer (MODIS). | LIU Zhishen MA Sen WANG Xin LI Zhigang | 2008 | Journal of Ocean University of China2008,7,1: | 3 |
| 12 | Novel magnetic silk fibroin scaffolds with delayed degradation for potential long-distance vascular repair显示文摘Although with the good biological properties,silk fibroin(SF)is immensely restrained in long-distance vascular defect repair due to its relatively fast degradation and inferior mechanical properties.It is necessary to construct a multifunctional composite scaffold based on SF.In this study,a novel magnetic SF scaffold(MSFCs)was prepared by an improved infiltration method.Compared with SF scaffold(SFC),MSFCs were found to have better crystallinity,magnetocaloric properties,and mechanical strength,which was ascribed to the rational introduction of iron-based magnetic nanoparticles(MNPs).Moreover,in vivo and in vitro experiments demonstrated that the degradation of MSFCs was significantly extended.The mechanism of delayed degradation was correlated with the dual effect that was the newly formed hydrogen bonds between SFC and MNPs and the complexing to tyrosine(Try)to inhibit hydrolase by internal iron atoms.Besides,theβ-crystallization of protein in MSFCs was increased with the rise of iron concentration,proving the beneficial effect after MNPS doped.Furthermore,although macrophages could phagocytose the released MNPs,it did not affect their function,and even a reasonable level might cause some cytokines to be upregulated.Finally,in vitro and in vivo studies demonstrated that MSFCs showed excellent biocompatibility and the growth promotion effect on CD34-labeled vascular endothelial cells(VECs).In conclusion,we confirm that the doping of MNPs can significantly reduce the degradation of SFC and thus provide an innovative perspective of multifunctional biocomposites for tissue engineering. | Xin Liu Yuxiang Sun Bo Chen Yan Li Peng Zhu Peng Wang Sen Yan Yao Li Fang Yang Ning Gu | 2022 | Bioactive Materials2022,7,1: | 3 |
| 13 | PINK1 kinase dysfunction triggers neurodegeneration in the primate brain without impacting mitochondrial homeostasis显示文摘In vitro studies have established the prevalent theory that the mitochondrial kinase PINK1 protects neurodegeneration by removing damaged mitochondria in Parkinson's disease(PD).However,difficulty in detecting endogenous PINK1 protein in rodent brains and cell lines has prevented the rigorous investigation of the in vivo role of PINK1.Here we report that PINK1 kinase form is selectively expressed in the human and monkey brains.CRISPR/Cas9-mediated deficiency of PINK1 causes similar neurodegeneration in the brains of fetal and adult monkeys as well as cultured monkey neurons without affecting mitochondrial protein expression and morphology.Importantly,PINK1 mutations in the primate brain and human cells reduce protein phosphorylation that is important for neuronal function and survival.Our findings suggest that PINK1 kinase activity rather than its mitochondrial function is essential for the neuronal survival in the primate brains and that its kinase dysfunction could be involved in the pathogenesis of PD. | Weili Yang Xiangyu Guo Zhuchi Tu Xiusheng Chen Rui Han Yanting Liu Sen Yan Qi Wang Zhifu Wang Xianxian Zhao Yunpeng Zhang Xin Xiong Huiming Yang Peng Yin Huida Wan Xingxing Chen Jifeng Guo Xiao-Xin Yan Lujian Liao Shihua Li Xiao-Jiang Li | 2022 | Protein & Cell2022,13,1: | 3 |
| 14 | Start-up of the anammox process from the conventional activated sludge in a hybrid bioreactor显示文摘The anaerobic ammonium oxidation (anammox) process was successfully started up from conventional activated sludge using a hybrid bioreactor within 2 months.The average removal efficiencies of ammonia and nitrite were both over 80%,and the maximum total nitrogen removal rate of 1.85 kg N/(m 3 ·day) was obtained on day 362 with the initial sludge concentration of 0.7 g mixed liquor suspended solids (MLSS)/L.Scanning electron microscope (SEM) observation of the granular sludge in the hybrid reactor clearly showed a high degree of compactness and cell sphericity,and the cell size was quite uniform.Transmission electron microscope photos showed that cells were round or oval,the cellular diameter was 0.6-1.0 μm,and the percentage of the anammoxosome compartment was 51%-85% of the whole cell volume.Fluorescence in situ hybridization analysis (FISH) indicated that anammox bacteria became the dominant population in the community (accounting for more than 51% of total bacteria on day 250).Seven planctomycete 16S rRNA gene sequences were present in the 16S rRNA gene clone library generated from the biomass and affiliated to Candidatus Kuenenia stuttgartiensis and Candidatus Brocadia sp.,a new anammox species.In addition,the average effluent suspended solid (MLSS) concentrations of outlets I (above the non-woven carrier) and II (below the non-woven carrier) were 0.0009 and 0.0035 g/L,respectively.This showed that the non-woven carrier could catch the biomass effectively,which increased biomass and improved the nitrogen removal rate in the reactor. | Xiumei Duan Jiti Zhou Sen Qiao Xin Yin Tian Tian Fangdi Xu | 2012 | Journal of Environmental Sciences2012,24,6: | 3 |
| 15 | Projections from D2 Neurons in Different Subregions of Nucleus Accumbens Shell to Ventral Pallidum Play Distinct Roles in Reward and Aversion显示文摘The nucleus accumbens shell(NAcSh) plays an important role in reward and aversion. Traditionally, NAc dopamine receptor 2-expressing(D2) neurons are assumed to function in aversion. However, this has been challenged by recent reports which attribute positive motivational roles to D2 neurons. Using optogenetics and multiple behavioral tasks, we found that activation of D2 neurons in the dorsomedial NAcSh drives preference and increases the motivation for rewards, whereas activation of ventral NAcSh D2 neurons induces aversion. Stimulation of D2 neurons in the ventromedial NAcSh increases movement speed and stimulation of D2 neurons in the ventrolateral NAc Sh decreases movement speed. Combining retrograde tracing and in situ hybridization, we demonstrated that glutamatergic and GABAergic neurons in the ventral pallidum receive inputs differentially from the dorsomedial and ventral NAcSh. All together, these findings shed light on the controversy regarding the function of NAcSh D2 neurons, and provide new insights into understanding the heterogeneity of the NAcSh. | Yun Yao Ge Gao Kai Liu Xin Shi Mingxiu Cheng Yan Xiong Sen Song | 2021 | Neuroscience Bulletin2021,37,5: | 3 |
| 16 | Boron-doped three-dimensional MXene host for durable lithium-metal anode显示文摘Lithium metal has been widely studied as one of the most promising anode materials for realizing the next-generation high-energy-density rechargeable batteries.However,its practical use in rechargeable batteries has been hindered by hazardous dendrite growth and huge volume variations during Li plating/stripping.Herein,we reported a borondoped three-dimensional(3D)layered MXene(Ti_(3)C_(2)T_(x))as the host of Li metal anode.The material was synthesized via a facile one-pot hydrothermal process.With uniform B-doping,the prepared 3D multilayered MXene sheets provided more sites for nucleation of Li metal,so that the deposited Li metal anode showed favorable cycling stability and a high Coulombic efficiency.With the use of the same host material,a hybrid lithium-metal battery with 3D Li anode coupling with LiFePO4 cathode showed long cycle life and favorable electrochemical stability.This work shed lights on reasonable structural and compositional design of host materials that enables high-performance Li-metal anode toward practical realization of highenergy rechargeable batteries。 | Na Wu Qi-Yue Zhang Yu-Jie Guo Lu Zhou Ling-Jun Zhang Ming-Xing Wu Wen-Peng Wang Ya-Xia Yin Peng Sheng Sen Xin | 2022 | Rare Metals2022,41,7: | 2 |
| 17 | Exome sequencing reveals genetic architecture in patients with isolated or syndromic short stature显示文摘Short stature is among the most common endocrinological disease phenotypes of childhood and may occur as an isolated finding or in conjunction with other clinical manifestations.Although the diagnostic utility of clinical genetic testing in short stature has been implicated,the genetic architecture and the utility of genomic studies such as exome sequencing(ES)in a sizable cohort of patients with short stature have not been investigated systematically.In this study,we recruited 561 individuals with short stature from two centers in China during a 4-year period.We performed ES for all patients and available parents.All patients were retrospectively divided into two groups:an isolated short stature group(group I,n=257)and an apparently syndromic short stature group(group II,n=304).Causal variants were identified in 135 of 561(24.1%)patients.In group I,29 of 257(11.3%)of the patients were solved by variants in 24 genes.In group II,106 of 304(34.9%)patients were solved by variants in 57 genes.Genes involved in fundamental cellularprocess played an important role in the genetic architecture of syndromic short stature.Distinct genetic architectures and pathophysiological processes underlie isolated and syndromic short stature. | Xin Fan Sen Zhao Chenxi Yu Di Wu Zihui Yan Lijun Fan Yanning Song Yi Wang Chuan Li Yue Ming Baoheng Gui Yuchen Niu Xiaoxin Li Xinzhuang Yang Shiyu Luo Qiang Zhang Xiuli Zhao Hui Pan Mei Li Weibo Xia Guixing Qiu Pengfei Liu Shuyang Zhang Jianguo Zhang Zhihong Wu James R.Lupski Jennifer E.Posey Shaoke Chen Chunxiu Gong Nan Wu | 2021 | Journal of Genetics and Genomics2021,48,5: | 2 |
| 18 | Effect of Cu on the boron segregation at grain boundaries and vacancy-type defects in ultra-low carbon micro-alloy steels显示文摘By thermal neutron irradiation particle tracking autoradiography(PTA)technique,the development of boron segregation at grain boundaries in ultra-low carbon micro-alloy steels was investigated during cooling from 1150°C to 850°C,and the effect of Cu on boron segregation at grain boundaries was discussed.By positron annihilation lifetime(PAL)technique,the changes of vacancy-type defects with temperatures and the effect of Cu on vacancy-type defects in the cooling process were discussed.Results show that,the concentration of boron at grain boundaries increases rapidly at the beginning of the cooling;after that,it begins to decrease;and then,it increases gradually again.The addition of Cu not only increases the concentration of boron at grain boundaries but also speeds up the development process of boron segregation at grain boundaries.During the continuous cooling process,the addition of Cu significantly affects the change of vacancy-type defects with temperatures in ultra-low carbon micro-alloy steels. | YANG RuiJie WU Ping LI XiangLong ZHANG ShiPing CHEN Sen WANG BaoYi JU Xin | 2014 | Science China(Technological Sciences)2014,57,6: | 2 |
| 19 | Synthesis of fused pyran and arylbis(4-hydroxy-6-methyl-2-oxo-2H-pyran-3-yl)methane in ionic liquid显示文摘由离子的液体支持了并且调停 --[bmim ][BF 4], 熔化了 pyrans 或芳基二度(4-hydroxy-6-methyl-2-oxo-2H-pyran-3-yl ) 甲烷高效地并且有选择地从醛和 4-hydroxy-6-methyl-2-oxo-pyran 的反应被准备与或没有醋性的酐。由使用这些新奇过程,嘧啶有潜在的生物活动的熔化 nucleoside 的 pyran 和芳基二度(pyranon-3-yl ) 甲烷混血儿被构造。 | Xue Sen Fan Ying Ying Qu Xin Ying Zhang Xia Wang Jian Ji Wang | 2009 | Chinese Chemical Letters2009,20,4: | 2 |
| 20 | Supercapacitor-battery hybrid energy storage devices from an aqueous nitroxide radical active material显示文摘A hybrid electrochemical energy storage device was fabricated in aqueous NaOH with the 2,2,6,6-tetramethyl-1-piperidinyloxy (TEMPO) nitroxide radical as the active material, hydroquinone as the counter electrode active material, and an OH -selective separating membrane. The working principle of this device was investigated and it can be considered as a supercapacitor-battery hybrid energy storage system. Device performance was characterized by cyclic voltammetry and galvanostatic charge-discharge testing. When using multi-walled carbon nanotubes (MWCNTs) as electrode support materials, a high pseudo-capacitance of 1280 F g -1 was obtained with the TEMPO nitroxide radical as the active material at a 1 mV s -1 scan rate. This was ~33 times larger than the inherent double layer capacitance of MWCNTs. The electrode material and active material dissolved in solution could potentially be substituted with similar materials. This simple design provides a new approach for fabricating high performance supercapacitor-battery hybrid energy storage devices. | GUO Wei XIN Sen JI MengBo GUO YuGuo WAN LiJun | 2011 | Chinese Science Bulletin2011,56,23: | 2 |