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Amorphous Sb/C composite with isotropic expansion property as an ultra-stable and high-rate anode for lithium-ion batteries

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Rare Metals 2024年第5期43卷 2039-2052页

作者： ze-zhou yang Cheng-Yi Zhang Yu-Qing Ou Zhi-Kang Su Yan Zhao Heng-Jiang Cong Xin-Ping Ai Jiang-Feng Qian Hubei Key Laboratory of Electrochemical Power Sources College of Chemistry and Molecular SciencesWuhan UniversityWuhan430072China Institute of Technological Sciences Wuhan UniversityWuhan 430072China

Antimony(Sb)is an intriguing anode material for Li-ion batteries(LIBs)owing to its high theoretical capacity of 660 m Ah·g^(-1)and appropriate working potential of~0.8 V(***^(+)/Li).However,just like all alloying materials,the Sb anode suffers from huge volume expansion(230%)during repeated insertion/extraction of Li+ions,resulting in structural deterioration and rapid capacity *** this work,a novel amorphous Sb/C composite with atomically dispersed Sb particles in carbon matrix is prepared via a straightforward high-energy ball milling *** intimate intermixing of amorphous Sb with C provides homogeneous element distribution and isotropic volume expansion during cycling,resulting in persistent structural ***,the disordered structure of amorphous material shortens the diffusion distance of lithium ions/electrons,promoting fast reaction kinetics and rate *** from the aforementioned effects,the amorphous Sb/C exhibits a high reversible capacity of537.4 m Ah·g^(-1)at 0.1 A·g^(-1)and retains 201.0 m Ah·g^(-1)at an ultrahigh current rate of 10.0 A·g^(-1).Even after 1500deep cycles at 2.0 A·g^(-1),the amorphous Sb/C electrode still maintains 86.3%of its initial capacity,which outperforms all existing Sb-based anodes reported so *** analysis further reveals a greatly reduced volume variation of merely 34.6%for the amorphous Sb/C electrode,much lower than that of 223.1%for crystalline Sb *** study presents a new approach to stabilizing Sb-based alloy anodes and contributes to the construction of high-performance amorphous anode materials for LIBs,enabling advanced energy storage.

关键词： Amorphous Sb/C anode Homogeneous element distribution Isotropic volume expansion Ultra-long cycle stability High-rate capability Lithium-ion battery

Clinical application of hepatic venous occlusion for hepatectomy

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Chinese Medical Journal 2008年第9期121卷 806-810页

作者： PAN ze-ya yang Yuan zhou Wei-ping LI Ai-jun FU Si-yuan WU Meng-chao The Third Department of Hepatic Surgery Eastern Hepatobiliary Surgery Hospital Second Military Medical University Shanghai 200438 China

Background Most liver resections require clamping of the hepatic pedicle （Pringle maneuver） to avoid excessive blood loss. But Pringle maneuver can not control backflow bleeding of hepatic vein. Resection of liver tumors involving hepatic veins may cause massive hemorrhage or air embolism from the injuries of the hepatic veins. Although total hepatic vascular exclusion can prevent bleeding of the hepatic veins effectively, it also may result in systemic hemodynamic disturbance because of the inferior vena cava being clamped. Hepatic venous occlusion, a new technique, can control the inflow and outflow of the liver without clamping the vena cava. Methods A total of 71 cases of liver tumors underwent resection with occlusion of more than one of the main hepatic veins. All tumors involved the second porta hepatis and at least one main hepatic vein. Ligation or occlusion with serreflnes, tourniquets and auricular clamps were used in hepatic venous occlusion. Results Of the 71 patients, ligation of the hepatic veins was used in 28 cases, occlusion with a tourniquet in 26, and occlusion with a serrefine in 17. Right hepatic veins were occluded in 38 cases, both right and middle hepatic veins in 2, the common trunk of the left and middle hepatic veins in 24, branches of the left and middle hepatic veins in 2, and all three hepatic veins in 5. Thirty-five cases underwent hemihepatic vascular occlusion, 4 alternate hemihepatic vascular occlusion, 23 portal triad clamping plus selective hepatic vein occlusion, and 9 portal triad clamping plus total hepatic vein occlusion. The third porta hepatis was isolated in 26 cases. The amount of intraoperative blood loss averaged （540±2.83）（range 100 to 1000） ml in the group of total hemihepatic vascular occlusion and in the group of alternate hemihepatic vascular occlusion, （620±317）（range 200-6000） ml in the group of portal triad clamping plus selective or total hepatic vein occlusion. All tumors were completely removed. Conclusions

关键词： liver neoplasms hepatic veins hepatectomy hemorrhage

The anti-tumor effects of flavonoids from the ethnic medicine Docycia delavayi(Franch.)*** its possible mechanism

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The anti-tumor effects of flavonoids from the ethnic medicin...

科技引领产业、支撑跨越发展——第六届湖北科技论坛

作者： Xukun Deng Xiangpei Zhao Lvyi Chen ze yang zhou Zhinan Mei Qinxiong Lin School of Pharmacy South-Central University for Nationalities

Docycia delavayi(Franch.) Schneid.,a Chinese Dai ethnic medicine popularly known as "Duoyi" in Yunnan province of China,had been traditionally used as a folk remedy for fever,cancer,fracture and beriberoid disease for a long time in *** present study was carried out to investigate the active components and the anti -tumor effect mechanism of the flavonoids including chrysin,quercetin,naringenin and avicularin from Docycia delavayi(Franch.) Schneid..The MTT-assay showed that the inhibitory activity of chrysin was much stronger than the other three flavonoids on HepG2 cells,EC109 cells,Hela cells and SW480 cells for 48 h treatment in vitro,with the IC50 values of 73.7,85.1,114.7,106.3μM,*** study revealed that chrysin exhibited the strong suppressive effect on HepG2 in concentration- and time-dependent *** addition,chrysin caused HepG2 cell shrinkage,membrane blebbing,apoptotic body formation,all of which are typical characteristics of apoptotic programmed cell *** results of flow cytometric analysis demonstrated that chrysin caused apoptosis of HepG2 cells through cell cycle arrest at G0/G1 phase,thus preventing cells entering S phase. Immunoblot results showed that chrysin significantly increased the expression levels of caspase-3 and Bax protein, and decreased the expression level of B-cell lymphoma/leukemia-2(Bcl-2) *** findings indicate that the major flavonoids present in Docycia delavayi(Franch.) *** inhibit the growth activity of tumor cells,among which chrysin introduce HepG2 cells death via apoptosis,probably through the participation of caspase-3,Bax and Bcl-2.

关键词： Docycia delavayi(Franch.) Schneid anti-tumor chrysin flavonoids HepG2 cells

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高校图书馆网站的安全策略

电脑知识与技术 2007年第5期2卷 665-666页

作者：杨泽洲大理学院图书馆云南大理671003

高校图书馆网站是校园网的信息中心,文章通过分析图书馆网站面临的网络风险,提出了高校图书馆网站保护的安全策略。

关键词：高校图书馆网站安全策略

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QQ软件在高校图书馆中的应用

科技情报开发与经济 2007年第10期17卷 59-60页

作者：杨泽洲大理学院图书馆云南大理671003

腾讯QQ是当前即时通信领域中应用最为广泛的软件之一。通过对QQ的功能分析,针对高校的特点,提出在高校图书馆的读者服务、虚拟参考咨询和行政管理等工作中可以充分利用QQ的相关功能。

关键词： QQ软件高校图书馆读者服务

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无线局域网在高校数字图书馆中的应用

电脑知识与技术 2007年第4期2卷 72-73页

作者：杨泽洲大理学院图书馆云南大理671003

简要介绍了无线局域网技术的特点，通过对高校校园网及其用户进行分析，提出无线局域网技术在高校数字图书馆中的具体应用。

关键词： WLAN 校园网高校图书馆应用

即时通讯软件在大学图书馆中的应用——以腾讯QQ为例

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电脑知识与技术 2007年第8期2卷 369-370页

作者：杨泽洲大理学院云南大理671003

即时通讯是互联网应用的重要组成部分,腾讯QQ是当前即时通讯领域中应用最为广泛的软件之一,通过对QQ的功能分析,针对高校的特点,提出在大学图书馆在读者服务,虚拟参考咨询和行政管理等工作中可以充分利用QQ的相关功能。

关键词：即时通讯 QQ软件高校图书馆应用

A low redox potential and long life organic anode material for sodium-ion batteries

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Journal of Energy Chemistry 2025年第1期100卷 557-564页

作者： Zhi Li yang Wei Kang zhou Xin Huang Xing zhou Jie Xu Taoyi Kong Junwei Lucas Bao Xiaoli Dong Yonggang Wang Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials Institute of New Energy Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) Fudan University Department of Chemistry Boston College School of Materials Science and Engineering Anhui University of Technology

Sodium-ion batteries （SIBs） with organic electrodes are an emerging research direction due to the sustainability of organic materials based on elements like C,H,O,and sodium ***,organic electrode materials for SIBs are mainly used as cathodes because of their relatively high redox potentials（>1 V）.Organic electrodes with low redox potential that can be used as anode are ***,a novel organic anode material （tetrasodium 1,4,5,8-naphthalenetetracarboxylate,Na4TDC） has been developed with low redox potential （<0.7 V） and excellent cyclic *** three-sodium storage mechanism was demonstrated with various in-situ/ex-situ spectroscopy and theoretical calculations,showing a high capacity of 208 mAh/g and an average decay rate of merely 0.022%per ***,the Na4TDC-hard carbon composite can further acquire improved capacity and cycling stability for 1200 cycles even with a high mass loading of up to 20 mg *** pairing with a thick Na3V2（PO4）3cathode (20.6 mg cm-2),the as-fabricated full cell exhibited high operating voltage （2.8 V）,excellent rate performance and cycling stability with a high capacity retention of 88.7% after 200 cycles,well highlighting the Na4TDC anode material for SIBs.

关键词： Organic anode material Low redox potential Composite anode Sodium-ion batteries

Metal nanoparticles decorated CoFe-(oxy)hydroxysulfides nanosheets fabricated by a general strategy for electrocatalytic water splitting

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Journal of Energy Chemistry 2025年第1期100卷 26-38页

作者： Xiaodong yang Haochen Shen Xiaoming Xiao Zhichao Li Qi zhou Wei yang Bin Jiang Yongli Sun Luhong Zhang Zhenhua Yan School of Chemical Engineering and Technology Tianjin University Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education) Nankai University

This study presents a novel method to fabricate metal-decorated,sulfur-doped layered double hydroxides （M/SLDH） through spontaneous redox and sulfurization *** developed Ag/SLDH and Pt/SLDH catalysts with abundant heterogeneous interfaces and hierarchical nanostructures demonstrated outstanding oxygen evolution reaction （OER） and hydrogen evolution reaction （HER） performance,achieving low overpotentials of 212 and 35 mV at 10 mA cm-2in 1 M KOH,*** both anode and cathode in water splitting,they required only 1.47 V to reach 10 mA cm-2and exhibited high structural robustness,maintaining stability at 1000 mA cm-2for 300 ***-situ Raman analysis revealed that the synergistic effects of metal nanoparticles and S doping significantly promote the transformation into the S-Co1-xFexOOH layer,which serves as the active phase for water ***,ultraviolet photoelectron spectroscopy （UPS） and density functional theory （DFT） analyses indicated that incorporating metal nanoparticles and S doping increase electron density near the Fermi level and reduce reaction energy barriers,thus enhancing intrinsic OER and HER *** study provides a scalable strategy for synthesizing high-performance electrocatalysts for water splitting,with promising potential for broader applications.

关键词： LDH Spontaneous reaction Metal nanoparticles Water splitting