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Achieving stable Zn plating/stripping under high current density and large area capacity remains a major challenge for metal Zn anodes. To address this issue, common filter paper is utilized to construct 3D carbon fiber skeleton film modified with gradient Cu nanoparticles (CFF@Cu). The original zincophobic hydrophilic CFF is transformed into gradient zincophilic and reversed gradient hydrophilic...
Developing low‐cost and efficient oxygen evolution electrocatalysts is key to decarbonization. A facile, surfactant‐free, and gram‐level biomass‐assisted fast heating and cooling synthesis method is reported for synthesizing a series of carbon‐encapsulated dense and uniform FeNi nanoalloys with a single‐phase face‐centered‐cubic solid‐solution crystalline structure and an average particle size of...
The advanced energy storage of an Li metal substituted for graphite anode can provide a significant enhancement in a battery's energy density. Nevertheless, the practical implementation of metallic Li has seriously been fettered by the notorious Li dendrite growth and the huge volumetric variation of Li metal inducing poor cycling performance and safety concerns. In this regard, constructing a robust...
Herein, a supermolecular‐scale cage‐confinement pyrolysis strategy is proposed to build two dielectric electromagnetic wave absorbents, in which MoO2 nanoparticles are sandwiched uniformly between porous carbon shells and reduced graphene oxide (RGO). Both sandwich structures are derived from hybrid hydrogels doped by two different crosslinkers (with/without oxygen bridge), which can precisely confine...
In article number 2001686, Zhaofeng Chen, Meiling Wang, Jiadong Zhou, Yizhong Huang, and co‐workers realize uniform MoO2 clusters sandwiched between porous carbon shells and RGO support by a supermolecular cage‐confinement pyrolysis route. The introduction of crosslinkers into hydrogel precursors have remarkable adjustment effects on low‐frequency electromagnetic wave absorption traits.
Conjugated coordination polymers have become an emerging category of redox‐active materials. Although recent studies heavily focus on the tailoring of metal centers in the complexes to achieve stable electrochemical performance, the effect on different substitutions of the bridging bonds has rarely been studied. An innovative tailoring strategy is presented toward the enhancement of the capacity storage...
In this paper, single crystalline copper nanowires (CuNWs) have been electrochemically grown through anodic aluminum oxide template. The environmental stability of the as‐obtained CuNWs in both 40% relative humidity (RH) atmosphere and 0.1 m NaOH aqueous solution has been subsequently studied. In 40% RH atmosphere, a uniform compact Cu2O layer is formed as a function of exposure time following the...
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