# Search results for: Xueliang Li

Journal of Solid State Electrochemistry > 2015 > 19 > 5 > 1523-1533

_{1/3}Co

_{1/3}Mn

_{1/3}O

_{2}has been successfully coated with a uniform Al

_{2}O

_{3}film through an homogeneous precipitation method with urea as a precipitant. The bare and Al

_{2}O

_{3}-coated LiNi

_{1/3}Co

_{1/3}Mn

_{1/3}O

_{2}samples are characterized by...

Journal of Solid State Electrochemistry > 2015 > 19 > 6 > 1745-1753

_{4}Ti

_{5}O

_{12}(LTO) with nanostructure was synthesized by a novel ionothermal method using 1-decyl-3-methylimidazolium tetrafluoroborate ([DEMIM]BF

_{4}) as both structure-directing agent and reaction medium at ambient pressure. The samples were characterized by powder x-ray diffraction analysis, scanning electron microscopy, transmission electron microscopy, N

_{2}adsorption measurement, galvanostatic...

Graphs and Combinatorics > 2015 > 31 > 6 > 2231-2259

*generalized local connectivity*...

Graphs and Combinatorics > 2015 > 31 > 1 > 141-147

*G*is

*rainbow connected*if every pair of vertices of

*G*are connected by a path whose edges have distinct colors. The

*rainbow connection number*

*rc*(

*G*) of

*G*is defined to be the minimum integer

*t*such that there exists an edge-coloring of

*G*with

*t*colors that makes

*G*rainbow connected. For a graph

*G*without any cut vertex, i.e., a 2-connected graph, of order

*n*, it was proved that...

Bulletin of the Malaysian Mathematical Sciences Society > 2015 > 38 > 3 > 1235-1241

Bulletin of the Malaysian Mathematical Sciences Society > 2015 > 38 > 4 > 1627-1635

_{ x }Mn

_{2−x }O

_{4}(

*x*= 0, 0.02, 0.05, 0.12) materials were effectively synthesized by imidazolium-based ionic liquid as reaction medium at ambient pressure. The morphologies of Cr-doped LiMn

_{2}O

_{4}via calcination were characterized by scanning electron microscopy (SEM). SEM reveals that the LiCr

_{0.12}Mn

_{1.88}O

_{4}sample has regular nanostructure and a uniform particle size of 50–100 nm. Among the four samples...

Quantum Information Processing > 2015 > 14 > 12 > 4427-4447

Nanoscale Research Letters > 2015 > 10 > 1 > 1-7

_{2}nanosheets followed by a facile liquid exfoliation method via ethyl cellulose-assisted...

Journal of Alloys and Compounds > 2014 > 614 > Complete > 7-12

_{4}particles are successfully synthesized via an ionothermal routine in 1-ethyl-3-methylimidazolium trifluoromethanesulfonate [EMIM]OTf and 1-buty-3-methylimidazolium trifluoromethanesulfonate [BMIM]OTf at 260°C, respectively. And then, the carbon coated product of cathode materials can be efficiently prepared by a subsequent short calcination process. Scanning...

Discrete Applied Mathematics > 2014 > 177 > Complete > 71-79

Electrochimica Acta > 2014 > 145 > Complete > 281-285

_{2}/carbon aerogel (TCA) composite prepared by in-situ method has been developed to simultaneously achieve solar energy conversion and electron storage. The structures, morphologies, and electrochemical performances of the TCAs are investigated by X-ray diffractometry, scanning and transmission electron microscopy, UV-vis...

Applied Clay Science > 2014 > 101 > C > 184-191

Applied Mathematics and Computation > 2014 > 242 > Complete > 277-280

Discrete Applied Mathematics > 2014 > 173 > Complete > 62-69

Electrochimica Acta > 2014 > 135 > C > 550-557

_{4}]) and deionized water, respectively. The structure and morphology of the resulting PANI were characterized by Fourier transform infrared spectra, X-ray diffraction,...

European Journal of Combinatorics > 2014 > 36 > Complete > 237-246

Electrochimica Acta > 2014 > 116 > Complete > 278-283

_{0.5}Mn

_{1.5}O

_{4}with different morphologies have been successfully prepared through co-precipitation route in mixed solution containing 1-dodecyl-3-methylimidazolium bromide ([C

_{12}mim]Br) and H

_{2}O with different mass ratios and followed by a solid reaction at high temperature. The morphology of LiNi

_{0.5}Mn

_{1.5}O

_{4}varies with...

Graphs and Combinatorics > 2014 > 30 > 4 > 949-955

*G*, where adjacent edges may have the same color, is

*rainbow connected*if every two vertices of

*G*are connected by a path whose edges have distinct colors. A graph

*G*is

*d-rainbow connected*if one can use

*d*colors to make

*G*rainbow connected. For integers

*n*and

*d*let

*t*(

*n, d*) denote the minimum size (number of edges) in

*d*-rainbow connected graphs of order

*n*. Schiermeyer got some...