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An asymmetric wound dressing acts as a skin‐like structure serves as a protective barrier between a wound and its surroundings. It allows for the absorption of tissue fluids and the release of active substances at the wound site, thus speeding up the healing process. However, the production of such wound dressings requires the acquisition of specialized tools, expensive polymers, and solvents that...
Elastomers are regarded as one of the best candidates for the matrix material of soft electronics, yet they are susceptible to fracture due to the inevitable flaws generated during applications. Introducing microstructures, sacrificial bonds, and sliding cross‐linking has been recognized as an effective way to improve the flaw insensitivity rate (Rinsen). However, these elastomers still prone to failure...
Exploiting economical and high‐performance bifunctional electrocatalysts toward hydrogen and oxygen evolution reactions (HER/OER) is at the heart of overall water splitting in large‐scale application. Herein, an in situ and stepwise strategy for synthesizing core–shell Ni3(S1−xSex)2@NiOOH (0 ≤ x ≤ 1) nanoarray heterostructures on nickel foam with tailored compositions for enhancing water‐splitting...
In article number 1702987, Cheng Zhong, Yida Deng, and co‐workers synthesize atomic layer Co3O4 nanosheets (1.6 nm thickness) by a simple solvothermal method with a controlled concentration of H2O2. The atomic layer Co3O4 nanosheets exhibit high bifunctional activity for the oxygen reduction reaction and oxygen evolution reaction, which is key to knittable Zn–air batteries. The batteries are successfully...
Flexible, wearable, and portable energy storage devices with high‐energy density are crucial for next‐generation electronics. However, the current battery technologies such as lithium ion batteries have limited theoretical energy density. Additionally, battery materials with small scale and high flexibility which could endure the large surface stress are highly required. In this study, a yarn‐based...
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