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Enhancing phosphoric acid (PA) doping in polybenzimidazole (PBI) membranes is crucial for improving the performance of high‐temperature proton exchange membrane fuel cells (HT‐PEMFCs). However, excessive PA uptake often leads to drawbacks such as PA loss and compromised mechanical properties when surpassing PA capacity of PBI basic functionality. Herein, a new strategy that integrates high PA uptake,...
Neutral electrolysis to produce hydrogen is prime challenging owing to the sluggish kinetics of water dissociation for the electrochemical reduction of water to molecular hydrogen. An ion‐enriched electrode/electrolyte interface for electrocatalytic reactions can efficiently obtain a stable electrolysis system. Herein, we found that interfacial accumulated fluoride ions and the anchored Pt single...
Recently, zeolitic imidazolate frameworks (ZIFs) composites have emerged as promising precursors for synthesizing hollow‐structured N‐doped carbon‐based noble‐metal materials with diverse structures and compositions. Here, a strong/weak competitive coordination strategy is presented for synthesizing high‐performance electrocatalysts with hollow features. During the competitive coordination process,...
It is a challenge to regulate charge separation dynamics and redox reaction kinetics at the atomic level to synergistically boost photocatalytic hydrogen (H2) evolution. Herein, a robust Ni‐doped CdS (Ni‐CdS) photocatalyst is synthesized by incorporating highly dispersed Ni atoms into the CdS lattice in substitution for Cd atoms. Combined characterizations with theoretical analysis indicate that local...
T‐Nb2O5 characterized by the pronounced intercalation pseudocapacitance effect, is regarded as a promising and alternative anode for fast‐charging Li‐ion batteries. However, its electrochemical kinetics are still hindered by the absence of sufficient and homogenous conductive wiring inside active microparticles. Herein, an in situ pillaring strategy of electronic nano‐wires is proposed to slice T‐Nb...
The development of chiral nanostructures‐based supramolecular catalysts with satisfied enantioselectivity remains a significantly more challenging task. Herein, the synthesis and self‐assembly of various amino acid amphiphiles as chiral supramolecular catalysts after metal ion coordination is reported and systematically investigate their enantioselectivity in asymmetric Diels–Alder reactions. In particular,...
High entropy materials offer almost unlimited catalytic possibilities due to their variable composition, unique structure, and excellent electrocatalytic performance. However, due to the strong tendency of nanoparticles to coarsen and agglomerate, it is still a challenge to synthesize nanoparticles using simple methods to precisely control the morphology and size of the nanoparticles in large quantities,...
pH‐dependent peptide biomaterials hold tremendous potential for cell delivery and tissue engineering. However, identification of responsive self‐assembling sequences with specified secondary structure remains a challenge. In this work, An experimental procedure based on the one‐bead one‐compound (OBOC) combinatorial library is developed to rapidly screen self‐assembling β‐sheet peptides at neutral...
Solution‐processed and efficient yellow quantum dot light‐emitting diodes (QLEDs) are considered key optoelectronic devices for lighting, display, and signal indication. However, limited synthesis routes for yellow quantum dots (QDs), combined with inferior stress‐relaxation of the core–shell interface, pose challenges to their commercialization. Herein, a nanostructure tailoring strategy for high‐quality...
The hydrogen evolution reaction (HER) activity of defect‐stabilized low‐Pt‐loading catalysts is closely related with defect type in support materials, while the knowledge about the effect of higher‐dimensional defects on the property and activity of trapped Pt atomic species is scarce. Herein, small size (5–10 nm) TiO2 nanoparticles with abundant surface step defects (one kind of line defect) are...
Due to the shortage of pure water resources, seawater electrolysis is a promising strategy to produce green hydrogen energy. To avoid chlorine oxidation reactions (ClOR) and the production of more corrosive hypochlorite, enhancing OER electrocatalyst activity is the key to solving the above problem. Considering that transition metal phosphides (TMPs) are promising OER eletrocatalysts for seawater...
Organic compounds are regarded as important candidates for potassium‐ion batteries (KIBs) due to their light elements, controllable polymerization, and tunable functional groups. However, intrinsic drawbacks largely restrict their application, including possible solubility in electrolytes, poor conductivity, and low diffusion coefficients. To address these issues, an ultrathin layered pyrazine/carbonyl‐rich...
Artificial solid electrolyte interphase in organic solutions is effective and facile for long‐cycling aqueous zinc ion batteries. However, the specific effects on different ionic environments have not been thoroughly investigated. Herein, pyromellitic acid (PA) are employed as organic ligand to coordinate with Zn2+ under various ionic environments. The connection between the ionic environment and...
Efficient bifunctional hydrogen electrocatalysis, encompassing both hydrogen evolution reaction (HER) and hydrogen oxidation reaction (HOR), is of paramount significance in advancing hydrogen‐based societies. While non‐precious‐metal‐based catalysts, particularly those based on nickel (Ni), are essential for alkaline HER/HOR, their intrinsic catalytic activity often falls short of expectations. Herein,...
Structure engineering of magnetic‐dielectric multi‐components is emerging as an effective approach for presuming high‐performance electromagnetic (EM) absorption, but still faces bottlenecks due to the ambiguous regulation mechanism of surface morphology. Here, a novel wrinkled surface structure is tailored on the ZnFe2O4 microsphere via a spray‐pyrolysis induced Kirkendall diffusion effect, the conductivity...
Interface engineering attracted tremendous attention owing to its remarkable ability to impede dendrite growth and side reactions in aqueous zinc‐ion batteries. Artificial interface layers composed of crystalline materials have been extensively employed to stabilize the Zn anode. However, the diffusion kinetics of Zn2+ in highly crystalline materials are hindered by steric effects from the lattice,...
Understanding the gold core‐ligand interaction in gold nanoclusters (GNCs) is essential for the on‐demand tailoring of their photoluminescence properties and long‐term stability. Here, inspired by the suckers arranged directionally on the tentacles of octopus, a series of GNCs with regulating ligand structures are grown and stabilized on the cellulose nanocrystals (CNCs). The carboxylated CNCs providing...
Gold Nanoclusters
Inspired by the unique structure of octopus suckers arranged directionally on its tentacles, a series of gold nanoclusters (GNCs) grown in situ along cellulose nanocrystals are synthesized. The fluorescence properties and oxidative properties of GNCs are investigated, and a generalized strategy for constructing DCGRFP is provided. More In article number 2307770, Hongxiang Zhu, Hui...
Under the high current density, the excessive strong adsorption of H* intermediates and H2 accumulation the catalysts are the major obstacle to the industrial application of hydrogen evolation reaction (HER) catalysts. Herein, through experimental exploration, it is found that the superaerophobic Nitrogen (N)‐doped carbon material can promote the rapid release of H2 and provide H* desorption site...
Pd‐based electrocatalysts are the most effective catalysts for ethylene glycol oxidation reaction (EGOR), while the disadvantages of poor stability, low resistance to neutrophilic, and low catalytic activity seriously hamper the development of direct ethylene glycol fuel cells (DEGFCs). In this work, defect‐riched PdCoZn nanosheets (D‐PdCoZn NSs) with ultrathin 2D NSs and porous structures are fabricated...
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