The red phosphorus (RP) anode has attracted great attention due to its high theoretical specific capacity (2596 mAh/g) and suitable lithiation potential. To solve the inherent poor electrical conductivity large volume expansion process, a vaporization–condensation strategy is considered as promising method. However, there are two important issues that deserve in process. First, low P mass loading carbon-based frameworks (∼30 wt %) limits energy density. Second, residual white (WP) leads...

Black phosphorus is regarded as a promising anode material due to its high theoretical specific capacity and fast-charging safety compared with the commercial graphite-based materials. However, practical application of black constrained by large volumetric variation, unstable electrode/electrolyte interface, shuttle effect soluble intermediates. Herein, we fabricated phosphorus/carbon nanotube@polypyrrole (BP/CNT@PPy) composite via simple high-energy ball-milling (HEBM) liquid polymerization...

Abstract Due to the strong ability of recognizing electromagnetic (EM) environment and adaptively control EM waves, intelligent metasurfaces have received great attention recently. However, metasurface with frequency recognition for adaptive manipulation waves has not been studied. Here, we propose a frequency-recognition precisely spatial under agile frequencies help real-time radio-frequency sensor an feedback system. An active meta-atom is presented reach 2 bit phase coding 1 amplitude...

Prelithiation is an effective way to compensate the initial capacity loss (ICL) in lithium-ion batteries (LIBs), which caused by formation of solid electrolyte interface (SEI). In order improve overall energy a LIB, herein we propose dual-functional cathodic prelithiation reagent Li3P that can and enhance security. With high theoretical 1547.61 mA h g–1 relatively low lithiation potential, able sacrifice its Li+ during first charging process. LiFePO4(LFP)//graphite full cell, charge 177.5 be...

A design method of programmable transmitarray with independent controls transmission amplitude and phase is proposed in C-band. The unit cell cascaded structures mainly consists four parts, including the receiving antenna, reconfigurable attenuator PIN diodes, shifter varactors transmitting antenna. Correspondingly, various manipulations spatial electromagnetic (EM) fields are achieved by varying bias voltages diodes transmitarray. fabricated measured a standard waveguide, whole array 8*8...

Seeking organic cathode materials with low cost and long cycle life that can be employed for large-scale energy storage remains a significant challenge. This work has synthesized an compound, triphenazino[2,3-b](1,4,5,8,9,12-hexaazatriphenylene) (TPHATP), as high 87.16% yield. compound highly π-conjugated rigid molecular structure, which is by capping hexaketocyclohexane three molecules of 2,3-diaminophenazine derived from low-cost o-phenylenediamine, used material assembling aqueous...

In this paper, we first utilize the interleaved single-carrier frequency division multiplexing (I-SC-FDM) scheme with a novel sparse weight-initiated deep neural network (SWI-DNN) equalizer for underwater optical communication (UWOC) systems. addition to superior characteristics of I-SC-FDM over original OFDM and localized SC-FDM (L-SC-FDM), such as lower peak-to-average power ratio (PAPR) computational complexity, implementation special (SWI) structure can significantly reduce necessary...

Targeted cell ablation is a powerful strategy for investigating the function of individual neurons within neuronal networks. Multiphoton technology by tightly focused femtosecond laser, with its significant advantages noninvasiveness, high efficiency, and single-cell resolution, has been widely used in study neuroscience. However, firing activity ablated neuron impact on surrounding entire ensembles are still unclear. In this study, we describe depolarization process targeted laser based...

Background: Individuals with type 2 diabetes are prone to dyslipidemia. The relationship of cumulative exposure elevated remnant cholesterol (RC) major adverse cardiovascular events (MACEs) remains unclear for individuals diabetes, especially those intensive lipid-lowering treatment. Methods: This study included 5143 participants from the Action Control Cardiovascular Risk in Diabetes trial, who had at least four lipid measurements over first three years trial and did not have MACEs across...

One-step single-solvent electrospray technology to produce fluorinated PCL honeycomb-like microspheres with a pore structure and super-hydrophobic coating on fabrics <italic>via</italic> electrospraying.

Metasurfaces have been developed as a promising approach for manipulating electromagnetic waves. Recently, deep learning algorithms introduced to design metasurfaces, but the network can only output one solution each desired input and suffers from nonunique issue. To overcome aforementioned challenges, neural model inverse designs of anisotropic metasurfaces with full phase properties in ultrawideband is proposed. Given target reflection spectra inputs, candidate metasurface patterns are...

Osteosarcoma is the most common primary malignant bone tumor among children and young people associated with poor prognosis. Punicalagin an antioxidant ellagitannin found in pomegranate juice known antiproliferation anti‑angiogenesis properties. However, antitumor effect of punicalagin on osteosarcoma requires further investigation. In present study, inhibitory proliferation invasion was evaluated one human osteoblast cell line (hFOB1.19) three lines (U2OS, MG63 SaOS2). The cancer apoptosis...

With the development of artificial intelligence and Internet Things, hand gesture recognition techniques have attracted great attention owing to their excellent applications in developing human-machine interaction (HMI). Here, authors propose a non-contact method based on intelligent metasurface. Owing advantage dynamically controlling electromagnetic (EM) focusing wavefront engineering, transmissive programmable metasurface is presented illuminate forearm with more spots obtain...

The integration of sensing and communication (ISAC) in millimeter-waves (MMW) will play an important role future 6G applications. Photonics-based radar systems have the advantages high bandwidth terms high-resolution high-speed data transmission can be inherently integrated with fiber-optic networks. To support flexible application scenarios, this paper, we proposed experimentally demonstrated MMW photonics-based ISAC system adaptive signal waveforms for a W-band fiber-wireless network....

In the past decades, metasurfaces have opened up a promising venue for manipulating lights and electromagnetic (EM) waves. field of nonlinearity, second-harmonic generation (SHG) is research focus due to its diverse applications. There been many researches realizing SHG in optical regime using nonlinear characteristics materials, but efficiency low. microwave frequencies, SHGs are basically studied guided-wave systems. Here, high-efficiency spatial waves presented frequency metasurface...

Abstract Electromagnetic (EM) inverse problem for detecting and sensing unknowns has attracted tremendous attention. Here, without using bulk lens, a method is proposed to realize both near‐field imaging far‐field detection with high resolutions novel transmissive programmable metasurface. The presented low‐profile metasurface good features of continuous full transmission phase coverage strong wave‐control capabilities. For an interested area, the EM‐wave focusing points or beams...

Hand gesture recognition tasks based on surface electromyography (sEMG) are vital in human-computer interaction, speech detection, robot control, and rehabilitation applications. However, existing models, whether traditional machine learnings (ML) or other state-of-the-arts, limited the number of movements. Targeting a large classes, more data features such as temporal information should be persisted much possible. In field sEMG-based recognitions, recurrent convolutional neural network...

2 nm Sb S 3 particles embedded in a mesoporous carbon framework by an adsorption method to construct high performance anode material.

As a large number of flexible elements such as distributed power and load are connected to microgrids, the economic improvement microgrids has become an important topic through rational energy distribution. In this paper, scheduling model considering demand for microgrid system under mechanism peak–valley tariff is proposed. A mathematical components proposed determine exchange between main network. Meanwhile, improved War Strategy Optimization (WSO) algorithm investigate three scenarios:...

In this paper, a Toeplitz construction method based on eigenvalues and eigenvectors is proposed to combine with traditional denoising algorithms, including fractional low-order moment (FLOM), phased (PFLOM), correntropy-based correlation (CRCO) methods. It can improve the direction of arrival (DOA) estimation signals in impulsive noise. Firstly, algorithm performs eigenvalue decomposition received covariance matrix obtain eigenvalues, then created according corresponding its eigenvalues....