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Article
Open AccessLattice oxygen-mediated electron tuning promotes electrochemical hydrogenation of acetonitrile on copper catalysts
Copper is well-known to be selective to primary amines via electrocatalytic nitriles hydrogenation. However, the correlation between the local fine structure and catalytic selectivity is still illusive. Herein...
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Article
Open AccessNovel Bilayer-Shelled N, O-Doped Hollow Porous Carbon Microspheres as High Performance Anode for Potassium-Ion Hybrid Capacitors
Proposing a one-step pyrolysis strategy to fabricate a novel bilayer-shelled N, O-doped hollow porous carbon microspheres (NOHPC) anode.
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Article
In-situ formation of hierarchical solid-electrolyte interphase for ultra-long cycling of aqueous zinc-ion batteries
Aqueous rechargeable zinc ion batteries have received widespread attention due to their high energy density and low cost. However, zinc metal anodes face fatal dendrite growth and detrimental side reactions, w...
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Article
A chiral salen-Co(II) complex as soluble redox mediator for promoting the electrochemical performance of Li-O2 batteries
Low discharge capacity and poor cycle stability are the major obstacles hindering the operation of Li-O2 batteries with high-energy-density. These obstacles are mainly caused by the cathode passivation behaviours...
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Article
Synthesis of carbon nanotubes-supported porous silicon microparticles in low-temperature molten salt for high-performance Li-ion battery anodes
Silicon-based materials has attracted attention as a promising candidate for lithium-ion batteries (LIBs) with high energy density. However, severe volume variation, pulverization, and poor conductivity hinder...
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Article
Bipolar electrode architecture enables high-energy aqueous rechargeable sodium ion battery
Aqueous rechargeable sodium ion batteries (ARSIBs), with intrinsic safety, low cost, and greenness, are attracting more and more attentions for large scale energy storage application. However, the low energy d...
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Article
Petroleum coke derived porous carbon/NiCoP with efficient reviving catalytic and adsorptive activity as sulfur host for high performance lithium—sulfur batteries
Sulfur-host material with abundant pore structure and high catalysis plays an important role in development of high-energy-density lithium—sulfur (Li—S) batteries. Herein, we implanted NiCoP nanoparticles into...
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Article
Molten-LiCl induced thermochemical prelithiation of SiOx: Regulating the active Si/O ratio for high initial Coulombic efficiency
The low initial Coulombic efficiency (ICE) of SiOx anode caused by the irreversible generation of LiySiOz and Li2O during lithiation process limits its application for high energy-density lithium-ion batteries. H...
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Article
Dandelion-Like Bi2S3/rGO hierarchical microspheres as high-performance anodes for potassium-ion and half/full sodium-ion batteries
Sodium-ion batteries (SIBs) and potassium-ion batteries (PIBs) have been considered as attractive alternatives for next-generation battery systems, which have promising application potential due to their earth...
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Article
Construction and electrochemical mechanism investigation of hierarchical core—shell like composite as high performance anode for potassium ion batteries
Potassium-ion batteries (PIBs) are promising candidates for next-generation energy storage devices due to the earth abundance of potassium, low cost, and stable redox potentials. However, the lack of promising...
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Article
2D interspace confined growth of ultrathin MoS2-intercalated graphite hetero-layers for high-rate Li/K storage
Herein, a two-dimensional (2D) interspace-confined synthetic strategy is developed for producing MoS2-intercalated graphite (G-MoS2) hetero-layers composite through sulfuring the pre-synthesized stage-1 MoCl5-gra...
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Article
Improved Na storage and Coulombic efficiency in TiP2O7@C microflowers for sodium ion batteries
Ti-based anode materials in sodium ion batteries have attracted extensive interests due to its abundant resources, low toxicity, easy synthesis and long cycle life. However, low Coulombic efficiency and limite...
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Article
Defect engineering on carbon black for accelerated Li-S chemistry
Rationally designing sulfur hosts with the functions of confining lithium polysulfides (LiPSs) and promoting sulfur reaction kinetics is critically important to the real implementation of lithium-sulfur (Li-S)...
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Article
Orbital-regulated interfacial electronic coupling endows Ni3N with superior catalytic surface for hydrogen evolution reaction
The interstitial structure and weak Ni-N interaction of Ni3N lead to high unoccupied d orbital energy and unsuitable orbital orientation, which consequently results in weak orbital coupling with H2O and slow wate...
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Article
Carbon-coated mesoporous Co9S8 nanoparticles on reduced graphene oxide as a long-life and high-rate anode material for potassium-ion batteries
Carbon-coated mesoporous Co9S8 nanoparticles supported on reduced graphene oxide (rGO) are successfully synthesized by a simple process. This composite makes full use of the protection of the carbon layer on the ...
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Article
Co0.85Se hollow spheres constructed of ultrathin 2D mesoporous nanosheets as a novel bifunctional-electrode for supercapacitor and water splitting
Hollow spheres of Co0.85Se constructed by two-dimensional (2D) mesoporous ultrathin nanosheets were synthesized via simple and cost effective approach. Their bifunctional electrocatalytic-supercapacitive properti...
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Article
Meso-porous amorphous Ge: Synthesis and mechanism of an anode material for Na and K storage
Crystalline Ge is a highly active anode material for Li storage but inactive for Na storage because of high diffusion barrier. By in-situ Raman spectrum, we explore that the Na could reversibly alloy/dealloy with...
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Article
Hierarchical flower-like cobalt phosphosulfide derived from Prussian blue analogue as an efficient polysulfides adsorbent for long-life lithium-sulfur batteries
Lithium-sulfur (Li-S) battery as one of the most attractive candidates for energy storage systems has attracted extensive interests. Herein, for the first time, hierarchical flower-like cobalt phosphosulfide a...
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Article
Open AccessTuning orbital orientation endows molybdenum disulfide with exceptional alkaline hydrogen evolution capability
Molybdenum disulfide is naturally inert for alkaline hydrogen evolution catalysis, due to its unfavorable water adsorption and dissociation feature originated from the unsuitable orbital orientation. Herein, w...
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Article
Molten-salt chemical exfoliation process for preparing two-dimensional mesoporous Si nanosheets as high-rate Li-storage anode
Two-dimensional (2D) materials have attracted enormous attention due to their functional applications in energy storage. In this work, a low-temperature molten-salt chemical exfoliation methodology is develope...
