Delicate design of nanostructures for oxygen-evolution electrocatalysts is an important strategy accelerating the reaction kinetics water splitting. In this work, Ni-Fe layered-double-hydroxide (LDH) nanocages with tunable shells are synthesized via a facile one-pot self-templating method. The number can be precisely controlled by regulating template etching at interface. Benefiting from double-shelled structure large electroactive surface area and optimized chemical composition,...

We have designed and synthesized novel hollow Ni/Fe layered double hydroxide (LDH) polyhedrons as an advanced sulfur host for enhancing the performance of lithium-sulfur (Li-S) batteries. The LDH shows multiple advantages. First, shells can provide sufficient sulfiphilic sites chemically bonding with polysulfides. Second, architecture inner space both loading a large amount accommodating its volumetric expansion. Moreover, once active material is confined within host, could easily restrict...

Hybrid materials, integrating the merits of individual components, are ideal structures for efficient sodium storage. However, construction hybrid with decent physical/electrochemical properties is still challenging. Now, elaborate design and synthesis hierarchical nanoboxes composed three-layered Cu2 S@carbon@MoS2 as anode materials sodium-ion batteries reported. Through a facile multistep template-engaged strategy, ultrathin MoS2 nanosheets grown on nitrogen-doped carbon-coated S to...

The construction of hybrid architectures for electrode materials has been demonstrated as an efficient strategy to boost sodium-storage properties because the synergetic effect each component. However, fabrication nanostructures with a rational structure and desired composition effective sodium storage is still challenging. In this study, integrated nanostructure composed copper-substituted CoS2 @Cux S double-shelled nanoboxes (denoted Cu-CoS2 DSNBs) was synthesized through metal-organic...

We report the synthesis of cobalt sulfide multi-shelled nanoboxes through metal-organic framework (MOF)-based complex anion conversion and exchange processes. The polyvanadate ions react with cobalt-based zeolitic imidazolate framework-67 (ZIF-67) nanocubes to form ZIF-67/cobalt yolk-shelled particles. as-formed particles are gradually converted into divanadate by solvothermal treatment. number shells can be easily controlled from 2 5 varying temperature. Finally, produced ion-exchange S2-...

Physicochemical confinement and catalytic conversion of lithium polysulfides (LiPSs) are crucial to suppress the shuttle effect enhance redox kinetics lithium-sulfur (Li-S) batteries. In this study, a NH4 Cl-assisted pyrolysis strategy is developed fabricate highly mesoporous N-rich carbon (designed as NC(p)) featuring thin outer shells porous inner networks, on which single-Ni atoms anchored form an excellent sulfur host Ni-NC(p)) for Li-S During pyrolysis, pyrolytic HCl from confined Cl...

Carbon electrode materials are fabricated from bean curd to replace costly Pt-based electrodes degrade methyl red (MR) as self-driven by a multilayer linkage triboelectric nanogenerator (ML-TENG). With the sponge buffer layer and precharge injection, peak open-circuit voltage, Voc, short-circuit current, Isc, maximum power density of ML-TENG can reach remain stable at 1300 V, 1.2 mA, 7.4 W m–2 (load resistance = 500 KΩ), respectively. Using electric generated such an updated TENG, highly...

Pore distribution of biomass-derived carbon material is well broadened and regulated <italic>via</italic> facile C₁₀H₁₄N₂Na₂O₈/KOH dual-activator method, providing an effective guidance for optimizing porous materials high-performance supercapacitor.

Introduction The implementation of energy-consuming right trading (ECRT) policy in 2017 is a major measure to promote the construction ecological civilization and green development, which also aligns with global trend towards sustainable energy management carbon emission reduction. Methods Based on consumption data China from 2010 2021, this paper utilizes Difference-in-Differences (DID) method assess extent process impact consuming low-carbon transition structure. transmission mechanism...

Abstract Hybrid materials, integrating the merits of individual components, are ideal structures for efficient sodium storage. However, construction hybrid with decent physical/electrochemical properties is still challenging. Now, elaborate design and synthesis hierarchical nanoboxes composed three‐layered Cu 2 S@carbon@MoS as anode materials sodium‐ion batteries reported. Through a facile multistep template‐engaged strategy, ultrathin MoS nanosheets grown on nitrogen‐doped carbon‐coated S...

The intrinsic laws of the catalytic performance and heteroatom distribution a nonmetallic biomass-derived carbon material were revealed systematically, providing new idea for high-throughput screening heteroatom-doped catalysts.

Abstract We have designed and synthesized novel hollow Ni/Fe layered double hydroxide (LDH) polyhedrons as an advanced sulfur host for enhancing the performance of lithium–sulfur (Li–S) batteries. The LDH shows multiple advantages. First, shells can provide sufficient sulfiphilic sites chemically bonding with polysulfides. Second, architecture inner space both loading a large amount accommodating its volumetric expansion. Moreover, once active material is confined within host, could easily...