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Low-temperature and high-voltage planar micro-supercapacitors based on anti-freezing hybrid gel electrolyte

Journal of Energy Chemistry 2022年第9期31卷 195-202,I0006页

作者： Manning chen Xiaoyu shi Xiaolei wang Hanqing Liu Sen wang Caixia meng Yu Liu Liangzhu Zhang Yuanyuan Zhu Zhong-Shuai wu College of Chemistry and environment Shenyang University of TechnologyShenyang 110870LiaoningChina State key laboratory of Catalysis Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023LiaoningChina University of Chinese Academy of Sciences Beijing 100049China Dalian National laboratory for Clean Energy Chinese Academy of SciencesDalian 116023LiaoningChina

Micro-supercapacitors(MSCs)are considered as highly competitive power sources for miniaturized ***,narrow voltage window and poor anti-freezing properties of MSCs in conventional aqueous electrolytes lead to low energy density and limited environmental ***,we report the construction of low-temperature and high-energy-density MSCs based on anti-freezing hybrid gel electrolytes(HGE)through introducing ethylene glycol(EG)additives into aqueous LiCl *** EG partially destroys hydrogen bond network among water molecules,the HGE exhibits maximum electrochemical stability window of 2.7 V and superior anti-freezing features with a glass transition temperature of-62.8℃.Further,the optimized MSCs using activated carbon microelectrodes possess impressive volumetric capacitance of 28.9 F cm^(-3.and energy density of 10.3.mWh cm^(-3.in the voltage of 1.6 V,2.6 times higher than MSCs tested in 1.2 ***,the MSCs display 68.3.capacitance retention even at-3.℃ compared to the value at 25℃,and ultra-long cyclability with 85.7%of initial capacitance after 15,000 times,indicating extraordinary low-temperature ***,our devices offer favorable flexibility and modular ***,this work provides a general strategy of realizing flexible,safe and anti-freezing microscale power sources,holding great potential towards subzero-temperature microelectronic applications.

关键词： Hybrid gel electrolyte Micro-supercapacitors Low temperature High voltage Graphene

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CEPC Technical Design Report

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Radiation Detection technology and Methods 2024年第1期8卷 I0003-I0016,1-1091页

作者： Waleed Abdallah Tiago Carlos Adorno de Freitas Konstantin Afanaciev Shakeel Ahmad Ijaz Ahmed Xiaocong Ai Abid Aleem Wolfgang Altmannshofer Fabio Alves Weiming An Rui An Daniele Paolo Anderle Stefan Antusch Yasuo Arai Andrej Arbuzov Abdesslam Arhrib Mustafa Ashry Sha Bai Yu Bai Yang Bai Vipul Bairathi Csaba Balazs Philip Bambade Yong Ban Tripamo Bandyopadhyay Shou-Shan Bao Desmond P.Barber Ayse Bat Varvara Batozskaya subash Chandra Behera Alexander Belyaev Michele Bertucci Xiao-Jun Bi Yuanjie Bi Tianjian Bian Fabrizio Bianchi Thomas Biekotter Michela Biglietti Shalva Bilanishvili Deng Binglin Denis Bodrov Anton Bogomyagkov Serge Bondarenko Stewart Boogert Maarten Boonekamp Marcello Borri Angelo Bosotti Vincent Boudry Mohammed Boukidi Igor Boyko Ivanka Bozovic Giuseppe Bozzi Jean-Claude Brient Anastasiia Budzinskaya Masroor Bukhari Vladimir Bytev Giacomo Cacciapaglia Hua Cai Wenyong Cai wujun Cai Yijian Cai Yizhou Cai Yu{3. Cai Haiying Cai Hua{3.g Cai Lorenzo Calibbi Junsong Cang Guofu Cao Jianshe Cao Antoine Chance Xuejun Chang Yue Chang Zhe Chang Xinyuan Chang Wei Chao Auttakit Chatrabhuti Yimin Che Yuzhi Che Bin {3. Danping {3. Fuqing {3. Fusan {3. Gang {3. Guoming {3. Hua-Xing {3. Huirun {3. Jinhui {3. Ji-Yuan {3. Kai {3. Mali {3. Mingjun {3. Mingshui {3. Ning {3. Shanhong {3. Shanzhen {3. Shao-Long {3. Shaomin {3. shiqiang {3. Tianlu {3. Wei {3. Xiang {3. Xiaoyu {3. Xin {3. Xun {3. Xurong {3. Ye {3. Ying {3. Yukai {3. Zelin {3. Zilin {3. Gang {3. Boping {3. Chunhui {3. Hok Chuen {3.g Huajie {3.g Shan {3.g Tongguang {3.g Yunlong Chi Pietro Chimenti Wen Han Chiu Guk Cho Ming-Chung Chu Xiaotong Chu Ziliang Chu Guglielmo Coloretti Andreas Crivellin Hanhua Cui Xiaohao Cui Zhaoyuan Cui Brunella D'Anzi Ling-Yun Dai Xin{3. Dai Xuwen Dai Antonio De Maria Nicola De Filippis Christophe De La Taille Francesca De Mori Chiara De Sio Elisa Del Core Shuangxue Deng Wei-Tian Deng Zhi Deng Ziyan Deng Bhupal Dev Tang Dewen Biagio Di Micco Ran Ding Siqin Dingl Yadong Ding Haiyi Dong Jianin AGH University of Science and technology Faculty of Physics and Applied Computer ScienceKrakow Anhui University HefeiAnhui Applied Physics Department Federal Urdu University of ArtsScience and TechnologyIslamabad Banaras Hindu University Institute of ScienceVaranasi Bandirma Onyedi Eylul University Bandirma Beihang University Beijing beijing Computational Science Research Center Beijing beijing Conveyi LTD Beijing beijing Glass Research institute Co. LtdBeijing beijing institute of technology Beijing beijing Normal University Beijing Brown University ProvidenceRI Budker institute of Nuclear Physics Novosibirsk Cadi Ayyad University Laboratory of Fundamental and Applied PhysicsPolydisciplinary FacultyMarrakech Cairo University Giza Center for Theory and Computation National Tsing Hua UniversityHsinchu Central China Normal University WuhanHubei Central South University ChangshaHunan Centro de Fisica Teorica de Particulas Universidade Tecnica de LisboaLisboa chengdu KaitengSifang Digital Radio&TV Equipment Co. LtdChengduSichuan China academy of engineering physics MianyangSichuan China building materials academy Beijing China Center of Advanced Science and technology Beijing China institute of Atomic Energy Beijing China Jiliang University HangzhouZhejiang China Nuclear Instrument CO. LTDBeijing China University of Geosciences Beijing China University of Geosciences WuhanHubei China University of Mining and technology XuzhouJiangsu China West Normal University NanchongSichuan Chongqing University Department of PhysicsChongqing Chulalongkorn University Bangkok City University of Hong Kong Department of PhysicsHong Kong Cockcroft institute Daresbury Cornell University IthacaNY CPPM(AMU/IPhU&CNRS/INP) Marseille Dalian Minzu University DalianLiaoning Dalian University of technology Department of PhysicsDalian Deutsches Elektronen-Synchrotron DESY Hamburg Dzhelepov laboratory of Nuclear Problems of Joint institute for Nuclear Research(DLNP JINR) Dubna East China University Of Science And Technol

The Circular Electron Positron Collider(CEPC)is a large scientific project initiated and hosted by China,fostered through extensive collaboration with international *** complex comprises four accelerators:a 3. GeV Linac,a 1.1 GeV Damping Ring,a Booster capable of achieving energies up to 180 GeV,and a Collider operating at varying energy modes(Z,W,H,and tt).The Linac and Damping Ring are situated on the surface,while the subterranean Booster and Collider are housed in a 100 km circumference underground tunnel,strategically accommodating future expansion with provisions for a potential super Proton Proton Collider(SPPC).The CEPC primarily serves as a Higgs *** its baseline design with synchrotron radiation(SR)power of 3. MW per beam,it can achieve a luminosity of 5×10^(3.)cm^(-2)s^(-1)per interaction point(IP),resulting in an integrated luminosity of 13.ab^(-1)for two IPs over a decade,producing 2.6 million Higgs *** the SR power to 50 MW per beam expands the CEPC's capability to generate 4.3.million Higgs bosons,facilitating precise measurements of Higgs coupling at sub-percent levels,exceeding the precision expected from the HL-LHC by an order of *** Technical Design Report(TDR)follows the Preliminary Conceptual Design Report(Pre-CDR,2015)and the Conceptual Design Report(CDR,2018),comprehensively detailing the machine's layout,performance metrics,physical design and analysis,technical systems design,R&D and prototyping efforts,and associated civil engineering ***,it includes a cost estimate and a preliminary construction timeline,establishing a framework for forthcoming engineering design phase and site selection *** is anticipated to begin around 2027-2028,pending government approval,with an estimated duration of 8 *** commencement of experiments and data collection could potentially be initiated in the mid-203.s.

关键词： initiated exceeding precise

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基于Real-time PCR法检测乳粉中牛源性成分定量研究

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粮油食品科技 2024年第2期32卷 159-164页

作者：陈晨史国华陈勃旭张瑞王玉欣贾文珅陈佳周巍河北省食品安全重点实验室国家市场监管重点实验室(特殊食品监管技术)特殊食品安全与健康河北省工程研究中心河北省食品检验研究院河北石家庄050227 北京市农林科学院北京100097 石家庄学院化工学院河北石家庄050035

基于Real-timePCR建立了乳粉中牛源性成分相对定量检测方法,并对牛的特异性引物与探针进行了特异性、灵敏度和稳定性测试。通过模拟不同浓度牛乳粉与马乳粉混合样本,根据其△Ct值的函数关系进行线性拟合进而绘制标准曲线,建立乳粉中牛... 详细信息

基于Real-timePCR建立了乳粉中牛源性成分相对定量检测方法,并对牛的特异性引物与探针进行了特异性、灵敏度和稳定性测试。通过模拟不同浓度牛乳粉与马乳粉混合样本,根据其△Ct值的函数关系进行线性拟合进而绘制标准曲线,建立乳粉中牛源性成分的相对定量检测。结果显示,该方法的最低检测限为0.00001 mg/mL,回收率为91.11%~119.2%,组间变异系数≤0.58%、组内变异系数≤1.44%。说明该方法在特异性与稳定性上适用于乳粉中牛源性成分及含量的掺假检测。

关键词：牛乳粉马乳粉 Real-time PCR 掺假检测

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Synthesis of novel nanomaterials and their application in efficient removal of radionuclides

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Science China Chemistry 2019年第8期62卷 933-967页

作者： Xiangxue wang Long chen Lin wang Qiaohui Fan Duoqiang Pan Jiaxing Li Fangting Chi Yi Xie Shujun Yu chengliang Xiao feng Luo Jun wang Xiaolin wang Changlun chen wangsuo wu Weiqun shi Shuao wang Xiangke wang key laboratory of Resources and environmental Systems Optimization Ministry of EducationCollege of Environmental Science and EngineeringNorth China Electric Power UniversityBeijing 102206China China Academy of Engineering Physics Mianyang 621900China State key L aboratory of Radiation Medicine and Protection School of Radiation Medicine and ProtectionCollaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education InstitutionsSoochow UniversitySuzhou 215123China laboratory of Nuclear Energy Chemistry and key laboratory for Biomedical Effects of Nanomaterials and Nanosafety Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China key laboratory of Petroleum Resources Gansu ProvinceNorthwest Institute of Eco-Environment and Resources. Chinese Academy of SciencesLanzhou 730000China Radiochemistry laboratory School of Nuclear Science and TechnologyLanzhou UniversityLanzhou 730000China CAS key laboratory of Photovoltaic and Energy Conservation Materials. institute of Plasma Physics Chinese Academy of Sciences Hefei 230031China Fundamental Science on Nuclear Wastes and environmental Safety laboratory Southwest University of Science and Technology Mianyang 621010China State key laboratory of Nuclear Resources and environment School of BiologyChemistry and Material Science East China University of TechnologyFuzhou 344000China College of Materials Science and chemical Engineering Harbin Engineering UniversityHarbin 150001China China Academy of Engineering Physics Mianyang 621900China

With the development of nuclear energy, large amounts of radionuclides are inevitably released into the natural environment. It is necessary to eliminate radionuclides from wastewater for the protection of environment. Nanomaterials have been considered as the potential candidates for the effective and selective removal of radionuclides from aqueous solutions under complicated conditions because of their high specific surface area, large amounts of binding sites, abundant functional groups, pore-size controllable and easily surface modification. This review mainly summarized the recent studies for the synthesis, fabrication and surface modification of novel nanomaterials and their applications in the efficient elimination and solidification of radionuclides,and discussed the interaction mechanisms from batch experiments, spectroscopy analysis and theoretical calculations. The sorption capacities with other materials, advantages and disadvantages of different nanomaterials are compared, and at last the perspective of the novel nanomaterials is summarized.

关键词： nanomaterials radionuclides removal preconcentration interaction mechanism

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An optimized industry processing technology of peanut tofu and the novel prediction model for suitable peanut varieties

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Journal of Integrative Agriculture 2020年第9期19卷 2340-2351页

作者： chen Bing-yu LI Qi-zhai HU Hui meng shi Faisal SHAH {3. Qiang LIU Hong-zhi institute of Food Science and technology Chinese Academy of Agricultural SciencesBeijing 100193P.R.China Academy of Mathematics and Systems Science Chinese Academy of SciencesBeijing 100190P.R.China

Peanut protein is easily digested and absorbed by the human body,and peanut tofu does not contain flatulence factors and beany ***,at present,there is no industrial preparation process of peanut tofu,whereas the quality of tofu prepared by different peanut varieties is quite *** study established an industrial feasible production process of peanut tofu and optimized the key process that regulates its *** with the existing method,the production time is reduced by 53.80%,therefore the daily production output is increased by 183.3.%.The chemical properties of 26 peanut varieties and the quality characteristics of tofu prepared from these 26 varieties were *** peanut varieties were classified based on the quality characteristics of tofu using the hierarchical cluster analysis(HCA)method,out of which 7 varieties were screened out which were suitable for preparing peanut *** evaluation standard was founded based on peanut tofu *** chemical trait indexes were correlated with peanut tofu qualities(Psuitable peanut varieties and this prediction model was *** study may help broaden the peanut protein utilization,and provide guidance for breeding experts to select certain varieties for product specific cultivation of peanut.

关键词： peanut tofu process quality peanut variety selection evaluation standard prediction model

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Double-Layer Hydrogels with Tunable Mechanofluorochromic Response for Smart Display

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Chinese Journal of Polymer Science 2023年第4期41卷 547-555,I0007页

作者： Hui-Hui shi Shuang-Shuang wu Rui-Jia wang Yi Zhang Shu-Hui An Wei Lu Tao {3. key laboratory of Marine Materials and Related Technologies Zhejiang Key Laboratory of Marine Materials and Protective TechnologiesNingbo Institute of Materials Technology and EngineeringChinese Academy of SciencesNingbo315201China school of chemical Sciences University of Chinese Academy of SciencesBeijing100049China

Mechanofluorochromic materials that render sensitive fluorescence color/pattern change upon mechanical stimuli have drawn extensive ***,traditional mechanofluorochromism relies on the chemical transformations of mechanophores,but their types are quite *** remains challenging to develop mechanofluorochromic materials with customized fluorescence color changing ***,a generally applicable strategy is proposed to present a class of double-layer mechanofluorochromic hydrogels based on the facile integration of two different-colored fluorescent *** to the UV transmittance change of top layer under Poisson’s effect,the emission intensity ratio of the upper and lower hydrogels exhibits a strain-dependent change,resulting in a force-triggered overlapping color *** the UV transmittance of top layer and the fluorescence emission of bottom layer can be readily modulated to enrich the variety of ***,the bottom layer is available to be printed by ion inks to fabricate patterned double-layer fluorescent hydrogel,holding great potential to design flexible mechanofluorochromic platforms for smart display and information encryption.

关键词： Mechanofluorochromism Fluorescent hydrogel Double layer Smart display

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Professor Zhifang Chai:Scientific contributions and achievements

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Chinese chemical Letters 2022年第7期33卷 3297-3302页

作者： Yuliang Zhao Chunying chen Weiyue feng Zhiyong Zhang Diandou Xu Weiqun shi Shuao {3. Yu-feng Li CAS key laboratory for Biological Effects of Nanomaterials and Nanosafety&CAS Center for Excellence in Nanoscience National Centre for Nanoscience and TechnologyBeijing 100191China CAS key laboratory for Biological Effects of Nanomaterials and Nanosafety&CAS-HKU Joint laboratory of Metallomics on Health and {3.&beijing Metallomics Facility Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China Division of Research and Planning Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China laboratory of Nuclear Energy Chemistry Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China State key laboratory of Radiation Medicine and Protection School for Radiological and Interdisciplinary Sciences(RAD-X)and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education InstitutionsSoochow UniversitySuzhou 215123China

*** Chai,born in October 1942,is a radioanalytical chemist working at the institute of High Energy Physics,Chinese Academy of Sciences and Soochow *** graduated from Fudan University in *** an Alexander von Humboldt F... 详细信息

关键词： contributions fellow graduate

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Efficient polysulfide blocker from conductive niobium nitride@graphene for Li-S batteries

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Journal of Energy Chemistry 2020年第6期29卷 135-141,I0006页

作者： Huifa shi Zhenhua sun Wei Lv Shujie Xiao Huicong Yang Ying shi Ke {3. Shaogang wang Bingsen Zhang Quan-Hong Yang feng Li Shenzhen Geim Graphene Center Tsinghua Shenzhen International Graduate SchoolTsinghua UniversityShenzhen 518055GuangdongChina Shenyang National laboratory for Materials Science Institute of Metal ResearchChinese Academy of SciencesShenyang 110016LiaoningChina laboratory of Advanced Materials School of Materials Science and EngineeringTsinghua UniversityBeijing 100084China Nanoyang Group State Key Laboratory of Chemical EngineeringSchool of Chemical Engineering and TechnologyTianjin UniversityTianjin 300072China

Lithium sulfur batteries are one of the most promising alternative electrochemical systems,but their practical applications are largely hindered by the serious shuttling problems and sluggish redox ***,the conductive and polar niobium nitride(NbN)is in-situ introduced onto graphene with ultrasmall size and high dispersion,and their composite is used to construct an efficient lithium polysulfide blocking *** graphene helps to construct highly conductive pathways,and niobium nitride serves as the sulfiphilic sites to chemically adsorb the migrating lithium polysulfides and catalyze their redox ***,the cells with the Nb N/G interlayers exhibit a long cycle life with a lower capacity decay of 0.096%/cycle at 1 C for 3.0 cycles and high rate capability of 93. m Ah g^-1 at 2 *** coupling with a sulfur/carbon nanofiber electrode,the cell with an ultra-high sulfur loading of 10.8 mg cm^-2 delivers an areal capacity of 12.5 m Ah cm^-2 at 0.1 C.

关键词： Lithium-sulfur batteries Niobium nitride chemical adsorption Catalytic effect High loading

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Machine learning-based solubility prediction and methodology evaluation of active pharmaceutical ingredients in industrial crystallization

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Frontiers of chemical Science and Engineering 2022年第4期16卷 523-535页

作者： Yiming Ma Zhenguo Gao Peng shi Mingyang chen Songgu wu Chao Yang Jing-Kang {3. Jingcai cheng Junbo Gong school of chemical Engineering and technology State Key Laboratory of Chemical EngineeringTianjin UniversityTianjin 300072China The Co-Innovation Center of Chemistry and chemical Engineering of Tianjin Tianjin 300072China key laboratory of Green Process and Engineering Institute of Process EngineeringChinese Academy of SciencesBeijing 100190China

Solubility has been widely regarded as a fundamental property of small molecule drugs and drug candidates,as it has a profound impact on the crystallization *** prediction,as an alternative to experiments which can reduce waste and improve crystallization process efficiency,has attracted increasing ***,there are still many urgent challenges thus *** we used seven descriptors based on understanding dissolution behavior to establish two solubility prediction models by machine learning *** solubility data of 120 active pharmaceutical ingredients(APIs)in ethanol were considered in the prediction models,which were constructed by random decision forests and artificial neural network with optimized data structure and model ***,a comparison with traditional prediction methods including the modified solubility equation and the quantitative structure-property relationships model was carried *** highest accuracy shown by the testing set proves that the ML models have the best solubility prediction *** linear regression and stepwise regression were used to further investigate the critical factor in determining solubility *** results revealed that the API properties and the solute-solvent interaction both provide a nonnegligible contribution to the solubility value.

关键词： solubility prediction machine learning artificial neural network random decision forests

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自动定向钻机双摩擦力胶体卡瓦仿真研究

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煤矿安全 2024年第10期55卷 236-243页

作者：史书翰王清峰辛德忠陈航万军崔小超王兴煤炭科学研究总院北京100013 中煤科工集团重庆研究有限公司重庆400039 煤矿灾害防控全国重点实验室重庆400037 兖煤菏泽能化有限公司山东菏泽274700

煤矿井下钻孔封孔技术自动化程度不足,采用自动定向钻机协助封孔可提高封孔自动化程度。设计了一种自动定向钻机用双摩擦力胶体卡瓦,以解决自动定向钻机夹持器夹坏封孔器的问题;提出了2种胶体结构,实现了主动钻杆接扣与退扣2个过程摩擦... 详细信息

煤矿井下钻孔封孔技术自动化程度不足,采用自动定向钻机协助封孔可提高封孔自动化程度。设计了一种自动定向钻机用双摩擦力胶体卡瓦,以解决自动定向钻机夹持器夹坏封孔器的问题;提出了2种胶体结构,实现了主动钻杆接扣与退扣2个过程摩擦力差异化,确保钻机顺利加接封孔器。采用非线性有限元法,选用Mooney-Rivlin应变能函数表征胶体力学性能,开展了胶体夹持封孔器仿真,得到了不同材料胶体的工作摩擦力,验证了2种结构胶体的合理性,研究了胶体表面胶条压缩量对封孔器应力的影响,探究了胶体表面胶条数量对胶体轴向摩擦力的影响。结果表明:天然橡胶与聚氨酯橡胶作为胶体材料是合理的,胶条压缩量宜为0.9 mm、胶条数量宜为3.。

关键词：瓦斯治理自动封孔自动定向钻机胶体卡瓦非线性有限元分析 Mooney-Rivlin模型

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