Jove
Visualize
Contáctanos

Videos de Conceptos Relacionados

Impedance Combination01:21

Impedance Combination

436
Consider a string of christmas lights, each bulb symbolizing an impedance element. In this series configuration, the flow of electric current remains uniform across every component. This behavior aligns with Kirchhoff's Voltage Law (KVL), which asserts that the total impedance in such a setup equals the sum of individual impedances—akin to resistors in series. It follows that the voltage from the power source is distributed proportionally among these components, adhering to the...
436
Power Factor Correction01:20

Power Factor Correction

176
The power transmission to a factory involves the transfer of apparent power, a combination of active and reactive power. The power factor measures how effectively electrical power is converted into useful work output. The ratio of the real power (KW) that does the work to the apparent power (KVA) supplied to the circuit.
176
Design Example: Capacitance Multiplier Circuit01:20

Design Example: Capacitance Multiplier Circuit

774
In integrated circuit technology, a capacitance multiplier is often utilized to produce a larger capacitance value when a small physical capacitance falls short. This is achieved by a circuit that multiplies capacitance values by a factor of up to 1000, such that a 10-pF capacitor can replicate the performance of a 100-nF capacitor.
The circuit illustrated in Figure 1 below incorporates two op-amps, with the first operating as a voltage follower and the second acting as an inverting amplifier.
774
Spindle Assembly02:50

Spindle Assembly

3.7K
Spindle assembly occurs through three, often coexisting, pathways – the centrosome-mediated pathway, the chromatin-mediated pathway, and the microtubule-mediated pathway – collectively contributing to form a robust spindle apparatus.
In most cells, centrosomes are the primary microtubule nucleation centers. In the centrosome-mediated pathway, the G2-prophase transition triggers centrosome maturation and increased microtubule nucleation. Progressive nucleation results in a...
3.7K
Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

192
The fast decoupled power flow method addresses contingencies in power system operations, such as generator outages or transmission line failures. This method provides quick power flow solutions, essential for real-time system adjustments. Fast decoupled power flow algorithms simplify the Jacobian matrix by neglecting certain elements, leading to two sets of decoupled equations:
192
Clamper Circuit01:14

Clamper Circuit

425
A clamper circuit, also known as a DC restorer, represents a specialized variant of the rectifier circuit, notable for its method of taking the output across the diode rather than the capacitor. This configuration lends to several distinctive applications, particularly in handling square wave inputs.
Within this circuit, the diode's orientation prompts the capacitor to charge up to the level of the most negative peak of the input signal. Upon reaching this state, the diode ceases to...
425

También podría leer

Artículos Relacionados

Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

Ordenar por
Same author

Designing Zn-doped nickel sulfide catalysts with an optimized electronic structure for enhanced hydrogen evolution reaction.

Nanoscale·2021
Same author

Clinical characteristics of low-grade tumor-related epilepsy and its predictors for surgical outcome.

Annals of clinical and translational neurology·2021
Same author

Switching Spinless and Spinful Topological Phases with Projective PT Symmetry.

Physical review letters·2021
Same author

Comparison of Duration of Response vs Conventional Response Rates and Progression-Free Survival as Efficacy End Points in Simulated Immuno-oncology Clinical Trials.

JAMA network open·2021
Same author

Polyphyllin Ⅲ-Induced Ferroptosis in MDA-MB-231 Triple-Negative Breast Cancer Cells can Be Protected Against by KLF4-Mediated Upregulation of xCT.

Frontiers in pharmacology·2021
Same author

Independent action models and prediction of combination treatment effects for response rate, duration of response and tumor size change in oncology drug development.

Contemporary clinical trials·2021
Same journal

A native sulfur deposit in Gale crater, Mars.

Science (New York, N.Y.)·2026
Same journal

Coordinated demise of harmful algal blooms.

Science (New York, N.Y.)·2026
Same journal

Genetic effects put into context.

Science (New York, N.Y.)·2026
Same journal

Bacteria share proteins to survive antibiotics.

Science (New York, N.Y.)·2026
Same journal

Impacts shaped Earth's first continents.

Science (New York, N.Y.)·2026
Same journal

Erratum for the Report "Covalently bonded single-molecule junctions with stable and reversible photoswitched conductivity" by C. Jia <i>et al</i>.

Science (New York, N.Y.)·2026
Ver todos los artículos relacionados
JoVE
x logofacebook logolinkedin logoyoutube logo
ACERCA DE JoVE
Visión GeneralLiderazgoBlogCentro de Ayuda JoVE
AUTORES
Proceso de PublicaciónConsejo EditorialAlcance y PolíticasRevisión por ParesPreguntas FrecuentesEnviar
BIBLIOTECARIOS
TestimoniosSuscripcionesAccesoRecursosConsejo Asesor de BibliotecasPreguntas Frecuentes
INVESTIGACIÓN
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchivo
EDUCACIÓN
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualCentro de Recursos para ProfesoresSitio de Profesores
Términos y Condiciones de Uso
Política de Privacidad
Políticas

Video Experimental Relacionado

Updated: Jul 2, 2025

Ambient Method for the Production of an Ionically Gated Carbon Nanotube Common Cathode in Tandem Organic Solar Cells
14:37

Ambient Method for the Production of an Ionically Gated Carbon Nanotube Common Cathode in Tandem Organic Solar Cells

Published on: November 5, 2014

9.4K

Los módulos en tándem mejoran

Cong Chen1, Dewei Zhao1

  • 1College of Materials Science and Engineering and Engineering Research Center of Alternative Energy Materials and Devices, Ministry of Education, Sichuan University, Chengdu, China.

Science (New York, N.Y.)
|February 22, 2024
PubMed
Resumen
Este resumen es generado por máquina.

Los investigadores desarrollaron un módulo solar en tándem de toda perovskita que logró una eficiencia de conversión de energía de más del 24%. Este avance avanza en la tecnología de células solares de perovskita para soluciones de energía renovable mejoradas.

Más Videos Relacionados

Integrating a Triplet-triplet Annihilation Up-conversion System to Enhance Dye-sensitized Solar Cell Response to Sub-bandgap Light
11:26

Integrating a Triplet-triplet Annihilation Up-conversion System to Enhance Dye-sensitized Solar Cell Response to Sub-bandgap Light

Published on: September 12, 2014

12.6K
Design and Fabrication of an Elastomeric Unit for Soft Modular Robots in Minimally Invasive Surgery
11:06

Design and Fabrication of an Elastomeric Unit for Soft Modular Robots in Minimally Invasive Surgery

Published on: November 14, 2015

9.0K

Videos de Experimentos Relacionados

Last Updated: Jul 2, 2025

Ambient Method for the Production of an Ionically Gated Carbon Nanotube Common Cathode in Tandem Organic Solar Cells
14:37

Ambient Method for the Production of an Ionically Gated Carbon Nanotube Common Cathode in Tandem Organic Solar Cells

Published on: November 5, 2014

9.4K
Integrating a Triplet-triplet Annihilation Up-conversion System to Enhance Dye-sensitized Solar Cell Response to Sub-bandgap Light
11:26

Integrating a Triplet-triplet Annihilation Up-conversion System to Enhance Dye-sensitized Solar Cell Response to Sub-bandgap Light

Published on: September 12, 2014

12.6K
Design and Fabrication of an Elastomeric Unit for Soft Modular Robots in Minimally Invasive Surgery
11:06

Design and Fabrication of an Elastomeric Unit for Soft Modular Robots in Minimally Invasive Surgery

Published on: November 14, 2015

9.0K

Área de la Ciencia:

  • Ciencias de los materiales
  • Energía renovable
  • Las instalaciones fotovoltaicas

Sus antecedentes:

  • Las células solares de perovskita ofrecen alternativas prometedoras a las tecnologías basadas en silicio.
  • Los módulos solares en tándem, que combinan múltiples capas que absorben la luz, pueden superar los límites de eficiencia de las células de una sola unión.

Objetivo del estudio:

  • Desarrollar y demostrar un módulo solar en tándem de toda perovskita de alta eficiencia.
  • Para superar las limitaciones actuales en el rendimiento y la estabilidad del dispositivo en tándem de perovskita.

Principales métodos:

  • Fabricación de una arquitectura de célula solar monolítica en tándem utilizando dos capas de absorción de perovskita distintas.
  • Optimización de las interfaces de las capas y de las propiedades de transporte de carga.
  • Caracterización del rendimiento en condiciones normales de simulación solar.

Principales resultados:

  • Se ha obtenido una eficiencia de conversión de potencia certificada superior al 24%.
  • Demostró el potencial de las estructuras en tándem de toda perovskita para la energía fotovoltaica de alto rendimiento.
  • Se han identificado factores clave para mejorar la utilización espectral y minimizar las pérdidas de recombinación.

Conclusiones:

  • Los módulos solares en tándem de toda perovskita representan un camino viable hacia la energía fotovoltaica de ultra alta eficiencia.
  • Se justifica una mayor investigación sobre la estabilidad del material y la fabricación escalable.
  • Este trabajo contribuye al avance de las tecnologías de energía solar de próxima generación.