Tuning the structure of three dimensional nanostructured molybdenum disulfide/nitrogen-doped carbon composite for high lithium storage

Abstract

Tuning the structure of three dimensional nanostructured molybdenum disulfide/ Tuning the structure of three dimensional nanostructured molybdenum disulfide/ nitrogen-doped carbon composite for high lithium storage nitrogen-doped carbon composite for high lithium storage

One-Pot Hydrothermal Synthesis of Solution-Processable MoS2/PEDOT:PSS Composites for High-Performance Supercapacitors

“…As for MP13, MoS 2 particles were hardly detectable (Figure g). The high-resolution TEM image of MP12 (Figure h) showed the produced few-layer MoS 2 nanosheets with an interlayer distance of 0.63 nm, which is close to that of typical 2H-MoS 2 . The co-existence of PEDOT:PSS and MoS 2 on the same sheet also confirmed the formation of a hybrid structure.…”

Nitrogen self-doped carbon with super high-rate and long cycle life as anode materials for lithium-ion batteries

“…Compared with PC ( W o − R is 102.0 Ω), the W o − R of HPC-1:11 (100.0 Ω) is reduced, which demonstrates that the lithium-ion diffusion rate is faster. 53 …”

“…Compared with PC (W o À R is 102.0 U), the W o À R of HPC-1:11 (100.0 U) is reduced, which demonstrates that the lithium-ion diffusion rate is faster. 53 In addition, the kinetic properties of the lithium ion diffusion process are analyzed by eqn (1) and ( 2) to derive the migration rate of lithium ions in nano-carbon and carbon micron blocks.…”

3D hierarchical networks constructed from interlayer-expanded MoS2 nanotubes and rGO as high-rate and ultra-stable anodes for lithium/sodium-ion batteries

“…Different from the normal 3D structure (such as a 3D network of MoS 2 nanosheets, 16 nanorods 17 and nanospheres 18 ), the hollow structure with a large number of internal voids not only provides buffer space for the volume expansion of MoS 2 caused by the repeated insertion/extraction of Li + /Na + , which effectively prevents the restacking of MoS 2 nanosheets but also allows the electrode material to more effectively participate in the reaction due to the increased contact area with the electrolyte, which enables the electrode material to be fully utilized. [19][20][21] The other solution is to expand the interlayer spacing of MoS 2 by inserting carbon layers alternately. The expansion of the interlayer distance greatly reduces the diffusion barrier of ions and makes the diffusion of ions easier, consequently, accelerating the ion intercalation/deintercalation kinetics.…”