Zn metal has been considered as a promising anode material for rechargeable aqueous metal-ion batteries. However, the propensity of dendrite growth during plating restricts its practical applications. Herein we propose an effective, low-cost, and nontoxic electrolyte additive, tetrabutylammonium sulfate (TBA2SO4), first example cationic surfactant-type additive in Zn-ion batteries, which can induce uniform deposition both electrode preparation battery charge/discharge process....

The concept of electric spring (ES) has been proposed recently as an effective means distributed voltage control. idea is to regulate the across critical (C) loads while allowing noncritical (NC) impedance-type (e.g., water heaters) vary their power consumption and thus contribute demand-side response. In this paper, a comparison made between control using ES against traditional single point with STATic COMpensator (STATCOM). For given range supply variation, total reactive capacity required...

This paper proposes a novel probabilistic transient stability constrained optimal power flow (P-TSCOPF) model to simultaneously consider uncertainties and for system preventive control. While detailed wind generator with rotor flux magnitude angle control strategy is used describe the dynamic behaviors of generators, uncertain factors correlations, such as load injections, stochastic fault clearing time, multiple correlated generations, are also included form representative P-TSCOPF model. A...

Unscheduled charging of plenty electric vehicles (EVs) might exert an adverse effect on the existing power grid, especially when coincides with daily peak load at distribution level. In this study, a scalable real-time scheduling scheme for EV in low-voltage residential system is proposed. Since most often, voltage drop would become binding constraint feeder subject to high penetration level, method first developed increase safety margin. Then, novel factor derived allow shift from...

Though energy storage system (ESS) is a promising approach to alleviate the variability of non-dispatchable wind power and other forms renewable sources, its high investment cost has impeded wide deployment. Aiming at exploiting arbitrage benefit ESS in reserve market raising revenue shareholders, this study explores optimal planning operation radial networks. Besides load balancing, used provide three kinds operating services presence penetration, including spinning reserve, upward downward...

This paper presents a security-constrained multiperiod economic dispatch model (M-SCED) for systems with renewable energy sources (RES). A two-stage framework is adopted to initial operation plans and recourse actions before after the uncertainty realization of RES power. For ensuring superior system efficiency, distributionally robust optimization (DRO) utilized evaluate expectations costs affected by uncertainty. Practical issues, including boundedness inaccurate information, are...

To relieve the fresh water shortage, bi-layer systems have been widely applied to give high efficiencies of solar steam generation. In current work, a system (C-wood) is obtained with low-cost carbon particles as light absorbing layer and boxwood supporting layer. The application wood could lead both good transportation local heat management in system, supply absorptivity at broad optical absorption wave bands (mostly larger than 98%), which results from complex three-dimensional porous...

This paper describes how a large-scale ice-thermal storage can be turned into smart load for fast voltage control and demand-side management in power systems with intermittent renewable power, while maintaining its existing function of shaving. The possibility modifying conventional thermal has been practically demonstrated refrigerator using electronics technology. With the help an electric spring, modified reduce imbalance buildings providing active reactive compensation grid. Based on...

Plug-in electric vehicles (PEVs) could provide valuable ancillary service for power systems with intermittent renewables. This paper proposes a charging model of large amount PEVs to mitigate the high-level wind fluctuations in distribution network so as regulate system frequency. With prerequisite that all PEV daily driving patterns are completely satisfied, is economically allocated counterbalance generation intermittency. Afterward, center-free control scheme based on consensus algorithm...

In the current study, novel environmentally friendly and interfacially active carbon nanotubes/SiO2 nanomaterials (CNTs/SiO2) for emulsified crude oil separation were prepared via grafting nano-SiO2 on surface of oxidized nanotubes (Ox-CNTs). The structure as-prepared CNTs/SiO2 was characterized by Fourier transform infrared spectroscopy, UV–visible absorption spectra, Raman X-ray diffraction thermogravimetric analysis, field-emission scanning electron microscope, energy-dispersive...

Interfacial solar desalination has been considered as a promising strategy to address the challenge of freshwater scarcity because its high solar-to-vapor efficiency. However, evaporation rate would be restrained if salt crystallization occurs on interface. Herein, we propose capacitance model describe transient heat transfer and rejecting processes during interfacial evaporation. This allows us identify water layer thickness new design parameter. With understanding, downward channel ratio...

For the first time, MIL-100(Fe)-derived microspheres with a hollow structure were perfectly constructed and used as photocatalyst to decompose organic dyes under visible light irradiation. The prepared MIL-100(Fe)-NH2(20) could boost separation, migration, transfer of photoinduced carriers effectively, together efficient photocatalytic performance. In simulated sunlight, exhibits best degradation efficiency well excellent reusability stability, rate for rhodamine B (RhB) can be more than...

Dynamic harmonic estimation is important for the monitoring and control of power-electronic grids. But high-precision dynamic algorithms usually have a heavy computational burden occupy large memory space, making them difficult to implement in embedded platform. Thus, motivation this paper lies providing an estimator with low complexity less storage space consumption. A purely real-valued fast harmonics proposed. Firstly, model established based on Taylor series expansion time-varying...