http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Synthesis of VO2 (B) nanorods for Li battery application
Ch.V. Subba Reddy,Edwin H. Walker Jr.,S.A. Wicker Sr.,Quinton L. Williams,Rajamohan R. Kalluru 한국물리학회 2009 Current Applied Physics Vol.9 No.6
Vanadium dioxide nanorods were synthesized through a hydrothermal reaction from V2O5 xerogel, poly (vinyl pyrrolidone) (PVP) and lithium perchlorate (LiClO4). The prepared samples were characterized by X-ray diffraction, infrared spectroscopy, scanning electron microscopy (SEM), transmission electron microscopy (TEM) and electrochemical discharge–charge cycling in lithium battery. SEM images reveal the nanorods to have dimensions on the order of 1–3 ㎛ in length and 10–50 nm in diameter. The measured initial discharge capacity of the lithium battery with a cathode made of VO2 (B) nanorods was 152 mA h/g. Vanadium dioxide nanorods were synthesized through a hydrothermal reaction from V2O5 xerogel, poly (vinyl pyrrolidone) (PVP) and lithium perchlorate (LiClO4). The prepared samples were characterized by X-ray diffraction, infrared spectroscopy, scanning electron microscopy (SEM), transmission electron microscopy (TEM) and electrochemical discharge–charge cycling in lithium battery. SEM images reveal the nanorods to have dimensions on the order of 1–3 ㎛ in length and 10–50 nm in diameter. The measured initial discharge capacity of the lithium battery with a cathode made of VO2 (B) nanorods was 152 mA h/g.
Mesoporous silica (MCM-41) effect on (PEO+LiAsF6) solid polymer electrolyte
Ch.V. Subba Reddy,G.P. Wu,C.X. Zhao,W. Jin,Q.Y. Zhu,W. Chen,모선일 한국물리학회 2007 Current Applied Physics Vol.7 No.6
Composite polymer electrolyte lms consisting of polyethylene oxide (PEO), LiAsF6 and mesoporous silica (MCM-41) with xedPEO/LiAsF6 = 90/10 but dierent weight percent ratios of MCM-41 were prepared using the solution casting method. The polymer elec-(PEO + LiAsF6) polymer electrolyte facilitates salt dissociation, enhances ion conductivity, and improves miscibility between organicand inorganic moieties. The scanning electron microscopy (SEM) photographs indicates the electrolytes are miscible and homogeneousup to 10 wt.% of MCM-41, and an optimized conductivity is found at this composition (10 wt.%). However, at higher weight ratios(>10 wt.%), the Li/MCM-41-rich domain developed, and the conductivity decreased with increasing mesoporous material. The electro-chemical performance of fabricated electrochemical cells of conguration Li/(PEO + LiAsF6 + MCM-41)/(MoO 3 + C + PTFE) wereinvestigated.
Mesoporous silica (MCM-41) effect on (PEO+LiAsF<sub>6</sub>) solid polymer electrolyte
Subba Reddy, Ch.V.,Wu, G.P.,Zhao, C.X.,Jin, W.,Zhu, Q.Y.,Chen, W.,Mho, Sun-il Elsevier 2007 Current Applied Physics Vol.7 No.6
<P><B>Abstract</B></P><P>Composite polymer electrolyte films consisting of polyethylene oxide (PEO), LiAsF<SUB>6</SUB> and mesoporous silica (MCM-41) with fixed PEO/LiAsF<SUB>6</SUB>=90/10 but different weight percent ratios of MCM-41 were prepared using the solution casting method. The polymer electrolyte films were characterized using XRD, DSC, SEM and electrical impedance spectroscopy. In corporation of MCM-41 in a (PEO+LiAsF<SUB>6</SUB>) polymer electrolyte facilitates salt dissociation, enhances ion conductivity, and improves miscibility between organic and inorganic moieties. The scanning electron microscopy (SEM) photographs indicates the electrolytes are miscible and homogeneous up to 10wt.% of MCM-41, and an optimized conductivity is found at this composition (10wt.%). However, at higher weight ratios (>10wt.%), the Li/MCM-41-rich domain developed, and the conductivity decreased with increasing mesoporous material. The electrochemical performance of fabricated electrochemical cells of configuration Li/(PEO+LiAsF<SUB>6</SUB>+MCM-41)/(MoO<SUB>3</SUB>+C+PTFE) were investigated.</P>
Padmavathi, M.,Srinivas, K.P.,Reddy, Ch. V. Subba,Ramesh, B.,Navodayam, K.,Krishnaprasadji, J.,Babu, P. Ratan,Sreenivasulu, P. The Korean Society of Plant Pathology 2011 Plant Pathology Journal Vol.27 No.1
The genome of a potyvirus isolate associated with chlorotic spots and vein banding symptoms on Spathiphyllum spp., in Andhra Pradesh state, India was amplified by RT-PCR using degenerate potyvirus primers, amplicons cloned, and sequence (1.6 kb) analyzed. This virus isolate shared maximum identity of 74.8% and 80.2% at coat protein (CP) gene nucleotide (906 nucleotides) and amino acid (302 amino acids) levels, respectively with Dasheen mosaic virus (DsMV)-M13 isolate reported from China. But its 3'-UTR (258 nucleotides) had maximum identity of 62.5% with DsMV-Vietnam isolate. The deduced molecular weight of CP is 33.57 kDa and it contained DAG triplet in its N-terminal region. In CP amino acid based phylogenetic analysis, this virus isolate represented a separate branch but closer to DsMV isolates cluster. Based on the molecular criteria set for the discrimination of species and genus in the Potyviridae family, the present virus isolate was identified as a distinct virus species in the genus Potyvirus and proposed the name Spathiphyllum chlorotic vein banding virus (SCVbV).
M. Padmavathi,P. Sreenivasulu,K. P. Srinivas,B. Ramesh,Ch. V. Subba Reddy,K. Navodayam,P. Ratan Babu,J. Krishnaprasadji 한국식물병리학회 2011 Plant Pathology Journal Vol.27 No.1
The genome of a potyvirus isolate associated with chlorotic spots and vein banding symptoms on Spathiphyllum spp., in Andhra Pradesh state, India was amplified by RT-PCR using degenerate potyvirus primers,amplicons cloned, and sequence (1.6 kb) analyzed. This virus isolate shared maximum identity of 74.8% and 80.2% at coat protein (CP) gene nucleotide (906 nucleotides)and amino acid (302 amino acids) levels,respectively with Dasheen mosaic virus (DsMV)-M13isolate reported from China. But its 3'-UTR (258nucleotides) had maximum identity of 62.5% with DsMV-Vietnam isolate. The deduced molecular weight of CP is 33.57 kDa and it contained DAG triplet in its Nterminal region. In CP amino acid based phylogenetic analysis, this virus isolate represented a separate branch but closer to DsMV isolates cluster. Based on the molecular criteria set for the discrimination of species and genus in the Potyviridae family, the present virus isolate was identified as a distinct virus species in the genus Potyvirus and proposed the name Spathiphyllum chlorotic vein banding virus (SCVbV).