| |
70. Tandem Chemical Modification/Mechanical Exfoliation of Graphite: Scalable Synthesis of High-Quality, Surface-Functionalized Graphene
Scalable and sustainable preparation of graphene is urgently needed to address its increasing demands in basic research and practical applications. Here, we present a simple preparation of surface-functionalized graphene by ball milling graphite in the presence of an aryl diazonium salt. The efficient exfoliation of graphite is achieved through the tandem surface reaction of graphite with aryl d...
http://www.polymer.cnt//ss/jianxingeng/publicationsshow_13963.html |
| |
66. Covalent Bonding of Sulfur Nanoparticles to Unzipped Multiwalled Carbon Nanotubes for High-Performance Lithium–Sulfur Batteries
The use of sulfur as a cathode material for lithium-sulfur (Li-S) batteries has attracted significant attention due to its high theoretical specific capacity (1675 mA h g(-1)); however, practicality is hindered by a number of obstacles, including the shuttling effect of polysulfides and the low electrical conductivity of sulfur. Herein, ball milling sulfur with unzipped multiwalled carbon nanotube...
http://www.polymer.cnt//ss/jianxingeng/publicationsshow_13959.html |
| |
62. Tuning the morphologies of fluorine-doped tin oxides in the three-dimensional architecture of graphene for high-performance lithium-ion batteries
The morphology of electrode materials plays an important role in determining the performance of lithium-ion batteries (LIBs). However, studies on determining the most favorable morphology for high-performance LIBs have rarely been reported. In this study, a series of F-doped SnOx (F-SnO2 and F-SnO) materials with various morphologies was synthesized using ethylenediamine as a structure-directing a...
http://www.polymer.cnt//ss/jianxingeng/publicationsshow_13955.html |
| |
55. Cellulose Tailored Anatase TiO2 Nanospindles in Three-Dimensional Graphene Composites for High-Performance Supercapacitors
The morphologies of transition metal oxides have decisive impact on the performance of their applications. Here, we report a new and facile strategy forin situ preparation of anatase TiO2 nanospindles in three-dimensional reduced graphene oxide (RGO), structure (3D TiO2@RGO) using cellulose as both an intermediate agent eliminating the negative effect of graphene oxide (GO) on the growth of TiO2 c...
http://www.polymer.cnt//ss/jianxingeng/publicationsshow_13948.html |
| |
54. Conjunction of Conducting Polymer Nanostructures with Macroporous Structured Graphene Thin Films for High-Performance Flexible Supercapacitors
Fabrication of hybridized structures is an effective strategy to promote the performances of graphene-based composites for energy,storage/conversion applications. In this work, macroporous structured graphene thin films (MGTFs) are fabricated on various substrates including flexible graphene papers (GPs) through an ice-crystal-induced phase separation process. The MGTFs prepared on GPs (MGTF@GPs) ...
http://www.polymer.cnt//ss/jianxingeng/publicationsshow_13947.html |
| |
50. Fluorine-Doped SnO2@Graphene Porous Composite for High Capacity Lithium-Ion Batteries
For the first time, a composite of fluorine-doped SnO2 and reduced graphene oxide (F-SnO2@RGO) was synthesized using a cheap F-containing Sn source, Sn(BF4)(2), through a hydrothermal process. X-ray photoelectron spectroscopy and X-ray diffraction results identified that F was doped in the unit cells of the SnO2 nano crystals, instead of only on the surfaces of the nanoparticles. F doping of SnO2 ...
http://www.polymer.cnt//ss/jianxingeng/publicationsshow_13943.html |
| |
4. High Order Liquid Crystalline Structure of Poly(11-{[(4''''-Heptyloxy-4-biphenylyl)carbonyl]oxy}-1-undecyne)
Liquid crystalline properties of a mesomorphic polyacetylene are investigated by X-ray diffraction, polarizing optical microscope, and transmission electron microscope.
http://www.polymer.cnt//ss/jianxingeng/publicationsshow_13895.html |
| |
SiO2/carbon composite microspheres with hollow core-shell structure as high stability electrode for lithium ion batteries.
The SiO2/carbon composite material used as a lithium‐ion battery (LIB) anode was synthesized by aerosol spraying a mixture of polyvinyl alcohol (PVA) solution and SiO2nanoparticles, followed by coating polyacrylonitrile (PAN) on the SiO2/PVA surface and an annealing treatment at 800?°C. The as‐prepared SiO2/po‐C@C has a hollow core–shell structure. The hollow section contributes to accommodat...
http://www.polymer.cnt//ss/shizhiqiang/publicationsshow_13888.html |
| |
Free-standing, welded mesoporous carbon nanofibers as anode for high-rate performance Li-ion batteries
A novel type of renewable lignin-based mesoporous carbonized nanofibers (MCNFs) has been fabricated via electrospinning technique and thermal treatment, using lignin with polyacrylonitrile (PAN) as the carbon source and triblock copolymer Pluronic P 123 as the template. The obtained MCNFs were directly used as anodes of lithium-ion batteries (LIBs) without binder and current collector. The MCNFs a...
http://www.polymer.cnt//ss/shizhiqiang/publicationsshow_13887.html |
| |
Three-dimensional Si/hard-carbon/graphene network as high-performance anode material for lithium-ion batteries
The Si/hard-carbon/graphene (Si/HC/G) composite material used as lithium ion battery (LIB) anode was synthesized by emulsion polymerization of the mixture of resorcinol and formaldehyde in the suspension of silicon nanoparticles, followed by loading on the graphene sheets and annealing treatment of 800 A degrees C. The as-prepared three-dimensional Si/HC/G composite is composed of the Si/HC micros...
http://www.polymer.cnt//ss/shizhiqiang/publicationsshow_13885.html |
| |