Sparingly solvating electrolytes are an emerging class of used in Li–S batteries. In this type electrolytes, polysulfide dissolution and shuttling can be suppressed, resulting high Coulombic efficiency cycle life. To optimize the for energy density cells, effects solubility Li ion transport properties on battery performance were investigated tetraglyme (G4)-based solvate ionic liquids [Li(G4) x ][TFSA] a sulfolane (SL)-based concentrated electrolyte [Li(SL) 2 ][TFSA], which both diluted with...

Chloride-induced steel corrosion is the most concerning issue for durability of concrete structures. Concrete and samples were obtained from a 30-year-old reinforced bridge. The chloride content was measured by potentiometric titration method microstructure scanning electron microscopy mercury intrusion porosimetry. rust phases detected X-ray diffraction Raman analysis. It found that convection depth transport in cracked significantly larger than uncracked concrete. pier column facing...

Combined use of titanium black as a cathode additive and sparingly solvating electrolyte is promising for practical lithium–sulfur batteries.

Abstract The operation of a lithium‐sulfur (Li−S) battery under lean electrolyte conditions is essential for enhancing the energy density to practical level. It rather challenging reduce amount in Li−S cells because discharge reactions sulfur (Li 2 S x formation: =8−1) occur via fully dissolution/precipitation conversion mechanism conventional solutions. Therefore, use sparingly solvating electrolytes has been reported as an effective method content cells. However, majority related research...

The utilization of sparingly solvating electrolytes has been reckoned as a promising approach to realizing high-energy-density lithium-sulfur batteries under lean electrolyte conditions through decoupling the amount from sulfur utilization. However, inferior wettability high-concentration compromises mass transport, thereby impeding maximum active material in cathodes. To address this issue, study, we incorporate lithium aluminate (LiAlO2) nanoflakes an additive cathodes enhance transport by...

The detection of circulating tumor cells (CTCs) from peripheral blood is considered as great significance for the diagnosis and prognosis cancer patients. Raman spectroscopy a highly sensitive optical technique that can provide fingerprint molecular identification information. In this paper, silver film substrate surface-enhanced scattering (SERS) was used to research several cells, immortalized clinical isolated patient's tissue cells. results display there difference nucleic acid...

The design and fabrication of lithium secondary batteries with a high energy density shape flexibility are essential for flexible wearable electronics. In this study, we fabricated high-voltage (5 V class) polymer battery using nickel manganese oxide (LiNi0.5Mn1.5O4) cathode. A LiNi0.5Mn1.5O4-hybridized gel cathode (GPC) electrolyte (GPE) membrane, both containing sulfolane (SL)-based highly concentrated (HCE), enabled the by simple lamination metallic anode, where injection solution was not...

Lithium-sulfur (Li-S) batteries can theoretically deliver high energy densities exceeding 2500 Wh kg-1. However, sulfur loading and lean electrolyte conditions are two major requirements to enhance the actual density of Li-S batteries. Herein, use carbon-dispersed highly concentrated (HCE) gels with sparingly solvating characteristics as hosts in is proposed a unique approach construct continuous electron-transport ion-conduction paths cathodes well achieve under lean-electrolyte conditions....

Abstract Li–S batteries have attracted attention as the next‐generation secondary batteries. While substantial progress is made in understanding chemistry at a fundamental level, only limited number of studies are dedicated to achieving high energy density practical pouch cell level. The challenge lies attaining high‐energy‐density under harsh conditions, which involve minimal amount electrolyte and relatively areal S‐loading cathode. This discrepancy creates gap between material research...

By enhancing the stability of lithium metal anode and mitigating formation dendrites through electrolyte design, it becomes feasible to extend lifespan lithium-sulfur (Li-S) batteries. One widely accepted approach involves utilization Li[N(SO2F)2] (Li[FSA]), which holds promise in stabilizing by facilitating an inorganic-dominant solid interface (SEI) film. However, use Li[FSA] encounters limitations due inevitable side reactions between polysulfides (LiPSs) [FSA] anions. In this study, our...

We present spectral-dependent electronic-photonic modeling of vertical-cavity surface-emitting laser (VCSEL)-multimode fiber (MMF) links for next-generation high-speed interconnects. The beam coupling processes, between the VCSEL and MMF photodetector (PD), are discussed, with three-dimensional launch conditions analyzed. model accounts effects on transmission performance, specifically modal attenuation, dispersion, mode mixing, partition noise. An advanced split-step small-segment (4-S)...

Due to their low power consumption, high modulation speed, and cost, vertical-cavity surface-emitting lasers (VCSEL) dominate short-reach data communications as the light source. In this paper, we propose a compact equivalent circuit model with noise effects for high-speed multi-quantum-well (MQW) VCSELs. The comprehensively accounts carrier photons dynamisms of MQW structure, which includes separate confinement heterostructure (SCH) layers, barrier (B) quantum well (QW) layers. proposed is...

In the frequency dissemination system over fiber, users can obtain highly stable RF signal from one source. To ensure that stability loss of meets user's need, performance evaluation for fiber is necessary. Considering numerous links and long distance, traditional transfer quality method not very practical, because cost loop-back configuration relatively large. this paper, we propose a to directly evaluate radio via at remote site. At local site, amplitude-modulated on continuous-wave lasers...

In the long-haul fiber link, phase noise introduced by erbium-doped fibers amplifiers (EDFAs) cannot be compensated. Its influence is very important and should considered in link frequency dissemination. this letter, we disseminate a high-precision radio signal to simulated remote site over long laboratory. The EDFA analyzed. A re-circulating loop with optical switch constructed test performance of dissemination system case cascade using EDFAs. can obtain error between returned reference...

A radio-frequency (RF) dissemination system using an optical comb over a 50-km fiber link has been demonstrated in this paper. An filter is utilized to suppress the dispersion influence of transfer link. The compensation scheme, based on electrical structure with optical-microwave phase detector, cancels fluctuation introduced by temperature variation and mechanical vibration It that relative frequency instability 100-MHz signal <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML"...

A simple method using DC-balanced line-coding and receiver-side high-pass filtering is proposed to mitigate MPI in high-speed PAM4 transmission. 5-dB improvement tolerance achieved both simulations experiments for 25GBd transmissions.

Tailoring native protein matrices-integrated high-internal-phase Pickering emulsions (HIPPEs) with desired applicability has been extremely hindered due to the limited stabilization mechanism deciphering. This study illustrated specific role of particleꞌs structure and interface distribution profiles HIPPEs. Herein, egg white (EWP) its microgel particles (EWPG) were performed as two typical in formulating Results indicated that gelation-induced aggregation promoted EWP (small, soft, rough)...

The optical power coupling coefficient serves as a pivotal metric for elucidating mode distribution within group division multiplexers. This paper derives closed-form analytical expressions to calculate the of Gaussian beams into graded-index multimode fiber. Leveraging inherent computational efficiency solutions over numerical counterparts, we introduce an efficient design methodology innovative approach hinges on generalized launch conditions and employs multiple-population genetic...