Efficient removal of uranium (U) from aqueous solutions is crucial for ecological safety. Functionalized magnetic nanoparticles provide a promising strategy radionuclide recovery and separation. However, designing synthesizing adsorbents with high sorption capacity selectivity, accompanied by excellent stability reusability, remain challenge. In this work, novel amidoxime-functionalized flower-like Fe3O4@TiO2 core–shell microspheres are designed synthesized to efficiently remove U(VI) actual...

This article presents a cost-effective dynamic wireless power transfer (DWPT) system for efficient and stable output charging of autonomous moving equipment. The proposed is realized based on low-cost segmented configuration flexible operating strategy. Specifically, the combination <italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">T</i> -series/series topology extended transmitter (Tx) coils. eliminates cross-coupling impact adjacent Tx coils...

Abstract Intelligent wearable sensors play a crucial role in the detection of toxic gases and monitoring physiological signals, thereby effectively ensuring environmental personal health safety. Nonetheless, achieving requirements for antibacterial properties, comfortable wear, multifunctional remains major challenge. In this study, novel Def‐ZIF‐8/PPY/BC‐based flexible sensor is developed by situ growth zeolitic imidazolate frameworks‐8 (ZIF‐8) polypyrrole (PPY) on bacterial cellulose (BC),...

A novel high-voltage operation featured wireless power transfer system for monitoring equipment charging on a 110-kV transmission line based magnetic resonant coupling is studied and designed in this paper. With consideration of environment electrical tower, an overall scheme proposed through installation position, structure, driving topology design. In order to improve the system's suitability environment, related optimization methods including constraining flow path, improving quality...

There is an urgent need for developing nonprecious metal catalysts to replace Pt-based electrocatalysts oxygen reduction reaction (ORR) in fuel cells. Atomically dispersed M-Nx/C have shown promising ORR activity; however, enhancing their performance through modulating active site structure still a challenge. In this study, simple approach was proposed preparing atomically iron embedded nitrogen- and fluorine-doped porous carbon materials with five-coordinated Fe-N5 sites. The...

A load-independent wireless power transfer system with constant current and voltage output for electric vehicles charging is designed optimized in this paper. Wireless based on LCL-S or LCL-LCL compensation topology systematically analyzed. And dynamic LCL-S/LCL switching simplified to achieve the transmitting coil output, which can be controlled easily. Moreover, coupling structures composed of different shapes shielding are comparatively studied improve stability under misalignment....

This article proposes a magnetic integration design for EV wireless power transfer (WPT) systems, where the compensation and transmitting coils overlap one on top of other to share ferrite layer without any decoupling consideration. The field generated by both are exploited power. To this end, method is proposed enable enhancement reactive flow between coils, achieve input zero phase angle constant current output. In addition, an efficient finite element analysis-based coil optimization...

This article presents a quasi-uniform magnetic coupling-based effective-configuration wireless power transfer (WPT) system for drones wider-area charging with multiple extended transmitter coils. The coil two windings is proposed to cooperate small receiver misalignment tolerance efficient and coupling. worked out by simulation-based algorithm, which can be implemented simple low-cost procedures. Independent-operating coils are designed overlaps dynamic topology robust area extension...

In this article, an optimized design for a dual-coupled inductor–capacitor–capacitor-series ( <italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">LCC</i> -S)-compensated wireless power transfer (WPT) system with zero-phase angle (ZPA) input condition and load-independent constant current (CC) output is presented. To end, based on the misalignment characteristics of reversed-series compensation coil structure, novel method determination parameters...

Load-independent constant current (CC) outputs are desirable in many applications of wireless power transfer (WPT). Yet the WPT gain a conventional system is normally dependent on magnetic components such as coils or inductors, making it difficult to customize output for interoperability. This article presents variable topology CC customization, which only employs capacitance tuning provide sufficient freedom regulation. To break limitation <italic...

WO3-Pd composite films were deposited on the side-face of side-polished fiber Bragg grating as sensing elements by magnetron sputtering process. XRD result indicates that are mainly amorphous. Compared to standard FBG coated with same hydrogen sensitive film, significantly increase sensor's sensitivity. When concentrations 4% and 8% in volume percentage, maximum wavelength shifts 25 55 pm respectively. The experimental results show response is reversible, sensor has great potential...

Safety and durability are major challenges for commercial lithium-ion batteries (LIBs), especially those used in electric vehicles large-scale energy storage systems. Herein, we investigate the reliability degradation behavior of graphite anodes using a LiFePO4||graphite three-electrode pouch cell. The electrochemical impedance spectroscopy (EIS) assisted scanning electron microscopy (SEM) results demonstrate presence an uneven solid electrolyte interphase (SEI) that grows with prolonged...

Abstract Complex pyrophosphates compounds have attracted much attention as promising candidates for substrate applications. In the work, a low‐permittivity BaZnP 2 O 7 ceramic was synthesized through solid‐state reaction. The pure phase crystallized in triclinic P−1 space group. Excellent microwave dielectric properties of with ε r = 8.23, Qf 56170 GHz, and τ f −28.7 ppm/°C were obtained at 870°C 4 h. substitution Mg 2+ Zn found to positive effects on grain morphology properties. Optimized...

Wireless power transfer (WPT)-based voltage equalizer (VE) shows unique advantages due to its physical isolation. Meanwhile, the markets of high-power fast charging have imposed significant needs for high-voltage wireless systems. However, a WPT-based cannot support large-scale cell-string. This article proposes VE with modularity balance cascaded cell-strings automatically using multiple coils. The WPT system's intrinsic high-frequency is used multiplier (VM). Only two diodes and one...

This mini-review summarises the recent progress of doping strategies and elucidates corresponding element substitution mechanisms in sodium vanadium phosphate (N3VP) for obtaining high-performance cathode materials.

This article introduces a novel coupling mechanism along with simplified configuration strategy for achieving robust and wide-area dynamic wireless charging of multipath movable receivers (Rxs). The proposed involves non-overlapping arrangement multitransmitter (Tx) coils in 2-D plane, which are omnidirectionally decoupled by integrating simple planar coils, effectively expanding the area flexibility. To enhance flux harvesting capability maximize stable each Tx cell, dual-winding...

In the standalone renewable power system, three-port converters (TPCs) are widely used to interface a source, storage battery, and load, simultaneously. nonisolated applications, TPCs without transformers usually suffer from ports' voltage restrictions. Such drawback limits TPCs' operation range because of changeable source battery voltage. this paper, with variable structures proposed. Compared existing available TPCs, proposed have loose ports restrictions among ports, thus feature wide...