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Electrocatalysts with high activity and durability for acidic oxygen evolution reaction (OER) play a crucial role in achieving cost‐effective hydrogen production via proton exchange membrane water electrolysis. A novel electrocatalyst, Te‐doped RuO2 (Te–RuO2) nanotubes, synthesized using a template‐directed process, which significantly enhances the OER performance in acidic media is reported. The...
Bi2Te3‐based alloys are the benchmark for commercial thermoelectric (TE) materials, the widespread demand for low‐grade waste heat recovery and solid‐state refrigeration makes it imperative to enhance the figure‐of‐merits. In this study, high‐performance Bi0.5Sb1.5Te3 (BST) is realized by incorporating Cu2GeSe3 and Se. Concretely, the diffusion of Cu and Ge atoms optimizes the hole concentration and...
The inhomogeneous nucleation and growth of Li dendrite combined with the spontaneous side reactions with the electrolytes dramatically challenge the stability and safety of Li metal anode (LMA). Despite tremendous endeavors, current success relies on the use of significant excess of Li to compensate the loss of active Li during cycling. Herein, a near‐surface Li+ irrigation strategy is developed to...
Commercial polymer separators usually have limited porosity, poor electrolyte wettability, and poor thermal and mechanical stability, which can deteriorate the performance of battery, especially at high current densities. In this work, a functional polyethylene (PE) separator is prepared by surface engineering a layer of Ti‐doped SiO2@Al2O3 particles (denoted as ST@Al2O3‐PE) with strong Lewis acid...
The pyrrhotite Fe7S8 with mixed Fe‐valence possesses high theoretical capacity, high conductivity, low discharge/charge voltage plateaus, and superior redox reversibility but suffers from structural degradation upon (de)potassiation process due to severe volume variations. Herein, to conquer this issue, a novel hierarchical architecture of confining nano‐Fe7S8 in carbon nanotubes covalently bonded...
In article number 2003851, Wang Jia, Zhen Cheng, and co‐workers for the first time present glutathione‐capped gold nanoclusters that demonstrate highly efficient binding capability to hydroxyapatite. The gold nanoclusters can be used for bone imaging with NIR‐II fluorescence and excreted through the renal system, showing great potential for clinical translation.
Fluorescence imaging in the second near‐infrared window (NIR‐II, 1000–1700 nm) holds great promise for deep tissue visualization. Development of novel clinical translatable NIR‐II probes is crucial for realizing the medical applications of NIR‐II fluorescence imaging. Herein, the glutathione‐capped gold nanoclusters (AuNCs, specifically Au25(SG)18) demonstrate highly efficient binding capability to...
In article number 2000203, Xiang Yang Liu and co‐workers meso‐reconstruct silkworm silk fibrous materials based on carbon nanotubes which give rise to conductive silk fibers, for the fabrication of silk flexible electronics. They have humidity dependent conductivity and can be developed into biocompatible electronic humidity sensors. The combination with cloud computation and big data leads to remote...
Turning insulating silk fibroin materials into conductive ones turns out to be the essential step toward achieving active silk flexible electronics. This work aims to acquire electrically conductive biocompatible fibers of regenerated Bombyx mori silk fibroin (SF) materials based on carbon nanotubes (CNTs) templated nucleation reconstruction of silk fibroin networks. The electronical conductivity...
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