Journal ArticleDOI
Rational Design of Three-Layered TiO2 @Carbon@MoS2 Hierarchical Nanotubes for Enhanced Lithium Storage.
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TLDR
The rational design and synthesis of three-layered TiO2 @carbon@MoS2 hierarchical nanotubes for anode applications in lithium-ion batteries (LIBs) manifest remarkable lithium storage performance with good rate capability and long cycle life.Abstract:
Here we demonstrate the rational design and synthesis of three-layered TiO2 @carbon@MoS2 hierarchical nanotubes for anode applications in lithium-ion batteries (LIBs). Through an efficient step-by-step strategy, ultrathin MoS2 nanosheets are grown on nitrogen-doped carbon (NC) coated TiO2 nanotubes to achieve the TiO2 @NC@MoS2 tubular nanostructures. This smart design can effectively shorten the diffusion length of Li+ ions, increase electric conductivity of the electrode, relax volume variation of electrode materials upon cycling, and provide more active sites for electrochemical reactions. Owing to these structural and compositional features, the hierarchical TiO2 @NC@MoS2 nanotubes manifest remarkable lithium storage performance with good rate capability and long cycle life.read more
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Synergistic effect from coaxially integrated CNTs@MoS2/MoO2 composite enables fast and stable lithium storage
Hui Lu,Kai Tian,Liangmin Bu,Xue Huang,Xiangyi Li,Yue Zhao,Feng Wang,Jianming Bai,Lijun Gao,Jianqing Zhao +9 more
TL;DR: In this article, the synergistic effect from structurally integrated coaxial CNTs@MoS2/MoO2 composite material on lithium storage, in which MoS2 and MoO2 nanosheets are conformally decorated on carbon nanotubes (CNTs), is investigated.
Journal ArticleDOI
NiMn-Layered Double Hydroxides Chemically Anchored on Ti3C2 MXene for Superior Lithium Ion Storage
TL;DR: The aggregation and low conductivity of layered double hydroxides limit their practical applications in energy conversion and storage as discussed by the authors, where NiMn-LDHs were anchored on the surface of Ti3C2.
Journal ArticleDOI
Conjugacy of Organic Cathode Materials for High-Potential Lithium-Ion Batteries: Carbonitriles versus Quinones
TL;DR: In this article, an advanced computational modeling approach is employed to comprehensively investigate the redox properties for two representative organic classes, namely carbonitriles and quinones, and it is highlighted that organic molecules with conjugating (non-conjugating) backbones would show higher redox potential for longer (shorter) backbone, owing to the strengthened inductive effect.
Journal ArticleDOI
Defect-rich MoS2(1−x)Se2x few-layer nanocomposites: a superior anode material for high-performance lithium-ion batteries
TL;DR: In this paper, defect-rich MoS2(1−x)Se2x few-layer nanocomposites were prepared by the co-etching method using molybdenum trioxide nanowires as a template.
Journal ArticleDOI
Porous hierarchical TiO2/MoS2/RGO nanoflowers as anode material for sodium ion batteries with high capacity and stability
TL;DR: In this paper, the authors constructed a hybrid architecture composed of MoS2 and TiO2 nanosheets, linking with reduced graphene oxide (RGO) to form a nanoflower structure.
References
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John B. Goodenough,Kyusung Park +1 more
TL;DR: New strategies are needed for batteries that go beyond powering hand-held devices, such as using electrode hosts with two-electron redox centers; replacing the cathode hosts by materials that undergo displacement reactions; and developing a Li(+) solid electrolyte separator membrane that allows an organic and aqueous liquid electrolyte on the anode and cathode sides, respectively.
Journal ArticleDOI
Nitrogen-doped carbon nanotube arrays with high electrocatalytic activity for oxygen reduction.
TL;DR: It is reported that vertically aligned nitrogen-containing carbon nanotubes (VA-NCNTs) can act as a metal-free electrode with a much better electrocatalytic activity, long-term operation stability, and tolerance to crossover effect than platinum for oxygen reduction in alkaline fuel cells.
Journal ArticleDOI
What Are Batteries, Fuel Cells, and Supercapacitors?
Martin Winter,Ralph J. Brodd +1 more
TL;DR: Batteries, fuel cells and supercapacitors belong to the same family of energy conversion devices and are needed to service the wide energy requirements of various devices and systems.