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正Designing Air-Stable O3-Type Cathode Materials by Combined Structure Modulation for Na-Ion Batteries H.-R.Yao,P.-F.Wang,Y.Gong,J.Zhang,X.Yu,L.Gu,C.Ou Yang,Y.-X.Yin,E.Hu,X.-Q.Yang,E.Stavitski,Y.-G.Guo,L.-J.Wan J.Am.Chem.Soc.DOI:10.1021/jacs.7b05176通过减小储钠层的层间距并同时提高过渡金属离     

STUDIES ON THE SAPONIN CONSTITUENTS OF GYNOSTEMMA LONGIPES

Two new cornpounds,saponin I and saponin II,were isolated from Gynostemma longipes f.Y.Wu.The struetures have been characterized on the basis of cbenical and speetroseopie evidence. ~-~.     

Author''''s Index Vol.13.2002

Author Index Vol.13.2002 AISA H.A. (0515) AN T.Y. (0623) AN Y.L. (0448) BAI A.P. (0296) BAI D.L. (0023) BAI D.L. (0809) BAI J. (0351) BAI L. (0029) BAO G.H. (0237) BAO G.H. (0955) BAO J.K. (0223) BAO J.X. (0515) BEI J.Z. (0033) BI Z.M. (0535) BIE P.Y. (0167) BIE P.Y. (0830) BIE P.Y. (0935) BO T. (0269) BO T. (0877) BU H.T. (0456) CAI B. (0327) CAI B. (0851) CAI J.C. (0113) CAI J.C. (0201) CAI J.C. (0515) CAI J.C. (0818) CAI J.X. (0617) CAI M…     

近期热点文章

正关键词:Na+活性·化学电源Operando研究方法Q. Li, Z. Liu, F. Zheng, R. Liu, J. Lee, G. Xu, G.Zhong, X. Hou, R. Fu, Z. Chen, K. Amine, J. Mi, S.Wu, C. P. Grey, Y. Yang. Identifying the Structural Evolution of the Na-Ion Battery Na2Fe PO4F Cathode,Angew. Chem. Int. Ed., 10.1002/anie.201805555.厦门大学杨勇教授和合作者采用原位高能XRD、固态NMR和DFT理论方法,研究了Na2FePO4F阴极材料循环过程中晶体结构的动态变化,发现存在两种Na+晶格位点,但只有一种有电化学活性.化学电源中的Operando研究方法为揭示电极活性物质的构效关系和反应机理提供了有力工具.     

近期热点文章北大核心CSCD

关键词：Na＋活性·化学电源Operando研究方法Q. Li, Z. Liu, F. Zheng, R. Liu, J. Lee, G. Xu, G.Zhong, X. Hou, R. Fu, Z. Chen, K. Amine, J. Mi, S.Wu, C. P. Grey, Y. Yang. Identifying the Structural Evolution of the Na-Ion Battery Na2Fe PO4F Cathode,Angew. Chem. Int. Ed., 10.1002/anie.201805555.厦门大学杨勇教授和合作者采用原位高能XRD、固态NMR和DFT理论方法,研究了Na2FePO4F阴极材料循环过程中晶体结构的动态变化,发现存在两种Na＋晶格位点,但只有一种有电化学活性.化学电源中的Operando研究方法为揭示电极活性物质的构效关系和反应机理提供了有力工具.     

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正Size-Dependent Surface Phase Change of Lithium Iron Phosphate during Carbon Coating J.Wang,J.Yang,Y.Tang,J.Liu,Y.Zhang,G.Liang,M.Gauthier,Y.K.Chen-Wiegart,M.N.Banis,X.Li,R.Li,J.Wang,T.K.Sham,X.Sun Nature Commun.DOI:10.1038/ncomms4451发现LiFePO4包碳过程的界面相变与活性物质的粒径有关,纳米粒子的界面稳定性较高,而微米粒子在高温包碳过程中界面发生明显变化.     

近期热点文章

TiO2 Microboxes with Controlled Internal Porosity for High-Performance Lithium Storage X. Gao, G. Li, Y. Xu, Z. Hong, C. Liang, Z. Lin Angew. Chem. Int. Ed. DOI: 10.1002/anie.201506357 合成由TiO2纳米棒构成的纳米多孔结构,用作锂离子电池阳极材料,循环300周仍具有187 mAh?g-1的容量,且可20C高倍率放电. Highly Efficient Electrochemical Reduction of CO2 to CH4 in Ionic Liquid Using Metal-Organic Framework Cathode X. Kang, Q. Zhu, X. Sun, J. Hu, J. Zhang, Z. Liu, B. Han Chem. Sci. DOI: 10.1039/C5SC03291A 在碳纸表面沉积含Zn的金属有机框架（MOF）化合物,该电极可高效催化CO2电还原为CH4.     

AUTHOR INDEX to Vol.16,2005

AI X. P. 947 AN B. L. 1405 AN D. G. 212 AN L. K. 7 AN L. K. 49 AN L. K. 1451 AN L. K. 1581 AN Y. 681 ANDO M. 736 AO L. 1189 BAI H. 11 BAI H. 457 BAI H. 997 BAI H. 1189 BAI S. Y. 1158 BAI X. L. 975 BAI X. Z. 846 BAI Y. F. 651 BAO Y. D. 49 BAO Z. Y. 1297 BAUDOIN O. 1279 BERG D. J. 4 BIAN Z. P. 1625 BU X. Z. 7 BU X. Z. 1451 BU X. Z. 1581 CAI B. 215 CAI B. 471 CAI C. 812 CAI C. 1313 CAI G. P. 405 CAI J. B. 1503 CAI J. C. 465 CAI J. C. 127…     

Authour Index Vol.12,2001

ABLIZ Z. (0513) AI X.C. (0983) AISA H.A. (0883) AN J.Y. (0117) BA L. (1113) BAI A.P. (0775) BAI D.L. (0113) BAI D.L. (0403) BAI F.L. (0369) BAI Y.B. (0271) BAO J.X. (0883) BAO X.F. (0909) BAO X.F. (0967) BARRAULT J. (0823) BERNEKER A. (0211) BI W. (0965) CAI G.M. (0651) CAI J.C. (0883) CAI J.C. (0961) CAI M.Z. (0861) CAI Q.S. (0511) CAI R. (0835) CAI S.M. (0073) CAI T.X. (0125) CAI T.X. (0647) CAI Y. (0215) CAI Y. (1139) CAO A.C. (0021) C…     

A New Cyclic Peptide from Schnabelia tetradonta

A new cyclic octapeptide (schnabepeptide B) was isolated from the aerial part of Schnabelia tetradonta (Sun) C. Y. Wu et C. Chert (Lamiaceae). Its structure was elucidated as cyclo-(NH-Trp-Gly1-Leu1-Gly2-Pro1-Pro2-Leu2-Pr03-CO) on the basis of extensive 2D NMR and MS spectra.     

SUBJECT INDEX TO Vol. 15, 2004

SUBJECT INDEXAnalytieal ChemistryA high sensitivity detection method ofsingletoxygenandsuPeroxide门,,l,了O八n,‘J‘J,了八曰40内J,J6了01气、︸,‘4C,件、M .HAOA kind ofeleetrode enhaneedthe,.D.XING,Q.CHEN,anlon……J .WANGeleetroehemilumineseenee...........……,..............................……‘.G.H.YAN,D.XING,S.C.TA卜A modified ehitosan adsorbent for seleetive removal oflowdensityliPoProPro-tein……G.Q.FU,K.Y.SHI,2.YUAN,W.Q.NIU,B.L.HE,B.LIU,B.SHEN,Y.LI’UA …     

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正Metal-Free Dihydrogen Oxidation by a Borenium Cation:A Combined Electrochemical/Frustrated Lewis Pair Approach E.J.Lawrence,T.J.Herrington,A.E.Ashley,G.G.Wildgoose Angew.Chem.Int.Ed.DOI:10.1002/anie.201405721以一种含硼杂环分子为电子传递媒介,催化有机介质中的氢氧化反应(HOR).Exfoliation of Layered Double Hydroxides for Enhanced Oxygen Evolution Catalysis F.Song,X.Hu Nature Commun.DOI:10.1038/ncomms5477     

近期热点文章

正关键词:机器学习·CO_2还原·Cu基催化剂Y. Guo, X. R. He, Y. M. Su, Y. H. Dai, M. C. Xie, S.L. Yang, J. W. Chen, K. Wang, D. Zhou, C. Wang,Machine-Learning-Guided Discovery and Optimization of Additives in Preparing Cu Catalysts for CO2Reduction, J. Am. Chem. Soc., 2021, 143(15):5755-5762.厦门大学汪骋教授与周达副教授通过"实验测试→机器学习分析→预测和重新设计"三个迭代周期,     

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High-Performance Rh2P Electrocatalyst for Efficient Water Splitting H. Duan, D. Li, Y. Tang, Y. He, S. Ji, R. Wang, H. Lv, P. P. Lopes, A. P. Paulikas, H. Li, S. X. Mao, C. Wang, N. M. Markovic, J. Li, V. R. Stamenkovic, Y. Li J. Am. Chem. Soc. DOI: 10.1021/jacs.7b01376 通过溶剂热方法合成Ru2P/C催化剂,P组分在表面富集,对氢析出反应（HER）与氧析出反应（OER）具有优异的催化活性.     

A new triterpene saponin from Panax japonicus C. A. Meyer var major (Burk.) C. Y. Wu et K. M. Feng

<正>One new triterpene saponin was isolated from Panaxjaponicus C.A.Meyer var major(Burk.) C.Y.Wu et K.M.Feng,and established as oleanolic acid 3-O-[β-D-glucopyranosyl-(1→2)-β-D-glucuronopyranosyl-6'-O-n-butyl ester]which showed moderate antitumor activities against the A2780 cells and OVCAR-3 cells.Its structure was established by means of spectral data, particularly NMR,including HSQC and HMBC techniques.     

最新电化学技术应用文献摘引

能量的储存与转移 中温质子传导燃料电池的电极材料 S W Tao, Q Y Wu, D K Peng, G Y Meng, Journal of Applied Electrochemistry 30: 2 (FEB 2000),153_157 260 ℃下三元Li_Mn_O合成以及该氧化物锂的电化学插入 N Kumagai, T Saito, S Komaba ,Journal of Applied Electrochemistry 30: 2 (FEB 2000),159～163     

First Total Synthesis of 5_α-Hydroxy-isopterocarpolone

Sesquiterpenic compounds of the Eudesmane family have attracted considerable attention due to their intriguing biological properties1,2, particularly significant antifeedant activity, cell growth inhibitory and plant growth regulating activities.In 1996, J. Hu and co-workers3 had isolated eudesmane sesquiterpene 5?-hydroxy-isopterocarpolone 1 from the aerial parts of chinese folk medicine Artemisia eriopoda and elucidated its structure by spectropic methods. Herein, we reported the first tota…     

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Nanostructured Material-Based Biofuel Cells: Recent Advances and Future Prospects C. Zhao, P. Gai, R. Song, Y. Chen, J. Zhang, J.-J. Zhu Chem. Soc. Rev. DOI: 10.1039/C6CS00044D 关于生物燃料电池纳米结构电极材料的综述,引用了265篇参考文献.     

Y_2O_3∶Eu~(3+)纳米线阵列的制备与表征

Y2 O3∶ Eu3+红色荧光粉由于色纯度高、化学性质稳定和量子效率接近 1 0 0 %而广泛用于荧光灯和投影电视等方面 .近年来 ,Y2 O3∶Eu3+的大量研究工作主要集中于纳米粉末的制备方法及其与体相材料不同的发光特性 [1～ 3] .最近 ,有关 Y2 O3∶ Eu3+及其稀土化合物的纳米管、纳米线和纳米带一维材料的制备成为研究热点 . Wu Changfeng等[4 ,5] 利用表面活性剂合成了 Y2 O3∶ Eu3+纳米管 .激光格位选择激发测试结果表明 ,Eu3+在纳米管中占据 3个不同的格位 ,其 61 1 nm处的红色发光峰出现了宽化 .HeYu等 [6 ] 采用水热法及退火处理制备出…     

A New 6,7-Seco-Ent-Kaurane Diterpenoid from Isodon eriocalyx Var. laxiflora

Isodon eriocalyx var. laxiflora C. Y. Wu & H. W. Li, is a perennial herb naturally growing in the southern area of Yunnan province. In our continuing studies1 on its leaves collected from Xishuanbana prefecture, a new 6,7-seco-ent-kaurane diterpenoid, named laxiflorin E (1), together with two known 6,7-seco-ent-kaurane diterpenoids2, eriocalyxin A (2) and laxiflorin C (3), was isolated. Their structures were established by spectroscopic analysis. Compound 1, obtained as colorless rhombus…