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Wang, Shiquan,Li, Guohua,Du, Guodong,Li, Li,Jiang, Xueya,Feng, Chuanqi,Guo, Zaiping,Kim, Seungjoo Springer 2010 NANOSCALE RESEARCH LETTERS Vol.5 No.8
<P>Cobalt-doped tungsten disulfide nanorods were synthesized by an approach involving exfoliation, intercalation, and the hydrothermal process, using commercial WS<SUB>2</SUB> powder as the precursor and <I>n</I>-butyllithium as the exfoliating reagent. XRD results indicate that the crystal phase of the sample is 2H-WS<SUB>2</SUB>. TEM images show that the sample consists of bamboo-like nanorods with a diameter of around 20 nm and a length of about 200 nm. The Co-doped WS<SUB>2</SUB> nanorods exhibit the reversible capacity of 568 mAh g<SUP>−1</SUP> in a voltage range of 0.01–3.0 V versus Li/Li<SUP>+</SUP>. As an electrode material for the lithium battery, the Co-doped WS<SUB>2</SUB> nanorods show enhanced charge capacity and cycling stability compared with the raw WS<SUB>2</SUB> powder.</P>
Web Information Credibility: From Web 1.0 to Web 2.0
Jie Zhao,Xiaoyang Lu,,Xueya Wang,Zheng Ma 보안공학연구지원센터 2015 International Journal of u- and e- Service, Scienc Vol.8 No.7
Web has been one of the major information sources in people’s daily life. However, a majority of Web information are regarded as incredible, as most Web information are not well evaluated before they are posted online. This eventually has a substantial impact on Web information utilization. For example, faked Web information will lead to wrong decision in business areas. In addition, the development of Web 2.0 makes people more convenient in producing and spreading information on the Web, which even worsens the information credibility problem on the Web. Thus, in this paper we review the current advances in the researches on Web information credibility, including related systems and methods for Web 1.0 information as well as existing studies on microblog information credibility. Finally, we propose a future research framework focusing on microblog information credibility.
Zheng, Hao,Zhang, Qing,Kim, Seung-Joo,Jiang, Xueya,Dan, Meiyu,Gao, Hong,Li, Shengbiao,Wang, Shiquan,Feng, Chuanqi American Scientific Publishers 2013 Journal of Nanoscience and Nanotechnology Vol.13 No.4
<P>KMn8O16 nanorods were prepared through a facile hydrothermal method by using KMnO4 and MnSO4 as reactants. The KMn8O16 samples synthesized at different temperatures (100-160 degrees C) were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), and its electrochemical properties were tested by galvanostatic charge/discharge system. The effect of reaction temperature on the morphology and electrochemical properties was investigated. As electrode materials for the lithium ion battery cycled between 1.5 and 4.2 V, the KMn8O16 nanorods synthesized at 160 degrees C show the highest reversible discharge capacity (160.1 mA h/g even after 50 cycles at current density of 50 mA/g) and the best cycling stability. These results indicate that the KMn8O16 nanorods could be a promising cathode material for lithium ion batteries.</P>