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Lithium metal batteries are intensively studied due to the potential to bring up breakthroughs in high energy density devices. However, the inevitable growth of dendrites will cause the rapid failure of battery especially under high current density. Herein, the utilization of tetrachloroethylene (C2Cl4) is reported as the electrolyte additive to induce the formation of the LiCl‐rich solid electrolyte...
It is urgent to develop high‐temperature dielectrics with high energy density and high energy efficiency for next‐generation capacitor demands. Metal‐organic frameworks (MOFs) have been widely used due to their structural diversity and functionally adaptable properties. Doping of metal nodes in MOFs is an effective strategy to change the band gap and band edge positions of the original MOFs, which...
Single‐atom sites can not only act as active centers, but also serve as promising catalyst regulators and/or promoters. However, in many complex reaction systems such as electrochemical CO2 reduction reaction (CO2RR), the introduction of single‐atom regulators may inevitably induce the competitive hydrogen evolution reaction (HER) and thus reduce the selectivity. Here, the authors demonstrate that...
Synergistic therapy for malignant tumors has been developed in the past. However, several disadvantages that are associated with the applied inorganic nanoagents cannot be avoided, including intrinsic systemic toxicity, immunosuppression, and low therapeutic efficiency. Herein, a biocompatible, multifunctional, inorganic nanoagent that simultaneously integrates chemodynamic, starvation, and photothermal...
Mapping technique has been the powerful tool for the design of next‐generation energy storage devices. Unlike the traditional ion‐insertion based lithium batteries, the Li‐S battery is based on the complex conversion reactions, which require more cooperation from mapping techniques to elucidate the underlying mechanism. Therefore, in this review, the representative works of mapping techniques for...
Suppressing the irreversible interfacial reactions is an important scientific bottleneck in the development of stable high‐energy‐density lithium‐ion battery. The interfacial chemistry of graphdiyne (GDY) on the high‐voltage cathode of LiNi0.5Mn1.5O4 (LNMO) shows a very interesting process, in which the sp‐hybridization carbon atoms chemically scavenge the hydrofluoric acid (HF) and in situ form the...
Microbial fuel cells (MFCs) can convert organics in wastewater directly to electricity, and improving oxygen reduction reaction (ORR) performance is critical to their development and future applications. Electrocatalytic ORR performance is determined by the intrinsic activity and accessible amounts of active sites. A surface nitrogen‐enriched carbon coaxial nanocable (NCCN) is applied as an ORR electrocatalyst...
In article number 1905572, Fan Wang and co‐workers develop near‐infrared Bessel‐beam emission saturation nanoscopy to simultaneously tackle the problems in light absorption and scattering for biological tissues, enabling the tracking of single nanoparticles inside a multicellular tumor spheroid in the depth over 55 µm with an imaging resolution of sub‐98 nm.
Cancer spheroids have structural, functional, and physiological similarities to the tumor, and have become a low‐cost in vitro model to study the physiological responses of single cells and therapeutic efficacy of drugs. However, the tiny spheroid, made of a cluster of high‐density cells, is highly scattering and absorptive, which prevents light microscopy techniques to reach the depth inside spheroids...
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