Jove
Visualize
Contáctanos
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

Videos de Conceptos Relacionados

Key Elements for Plant Nutrition02:35

Key Elements for Plant Nutrition

24.1K
Like all living organisms, plants require organic and inorganic nutrients to survive, reproduce, grow and maintain homeostasis. To identify nutrients that are essential for plant functioning, researchers have leveraged a technique called hydroponics. In hydroponic culture systems, plants are grown—without soil—in water-based solutions containing nutrients. At least 17 nutrients have been identified as essential elements required by plants. Plants acquire these elements from the...
24.1K
X-ray Crystallography02:18

X-ray Crystallography

25.9K
The size of the unit cell and the arrangement of atoms in a crystal may be determined from measurements of the diffraction of X-rays by the crystal, termed X-ray crystallography.
Diffraction
Diffraction is the change in the direction of travel experienced by an electromagnetic wave when it encounters a physical barrier whose dimensions are comparable to those of the wavelength of the light. X-rays are electromagnetic radiation with wavelengths about as long as the distance between neighboring...
25.9K
Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

479
The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
479
Key Techniques in Microbiology01:19

Key Techniques in Microbiology

2.0K
Aseptic techniques prevent contamination, ensure experimental accuracy, and protect researchers and microbial cultures. These techniques are essential in clinical, industrial, and research settings where sterility is required.Maintaining Sterility in Laboratory PracticesScientists maintain sterility by sterilizing tools with heat or chemicals, disinfecting work surfaces, and handling cultures in controlled environments. Working near an open flame or within a laminar flow hood reduces the risk...
2.0K
Variability: Analysis01:11

Variability: Analysis

471
Measures of variability are statistical metrics that reveal the dispersion pattern within a dataset. They are pivotal in biostatistics, providing insights into the heterogeneity within health and biological data. Variability signifies the degree to which data points diverge from one another, helping researchers understand the potential range of values and associated uncertainty within the data.
The range is a simple measure of variability, indicating the difference between the highest and...
471
Random Variables01:09

Random Variables

17.6K
A random variable is a single numerical value that indicates the outcome of a procedure. The concept of random variables is fundamental to the probability theory and was introduced by a Russian mathematician, Pafnuty Chebyshev, in the mid-nineteenth century.
Uppercase letters such as X or Y denote a random variable. Lowercase letters like x or y denote the value of a random variable. If X is a random variable, then X is written in words, and x is given as a number.
For example, let X = the...
17.6K

También podría leer

Artículos Relacionados

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

Ordenar por
Same author

Disentangling Electronic and Strain Effects in Core-Shell Pd@Pt Catalysts.

Journal of the American Chemical Society·2026
Same author

Spherical Sn Deposition Enabled by Lignosulfonate for Stable Aqueous Sn Metal Batteries.

Small (Weinheim an der Bergstrasse, Germany)·2026
Same author

Nonprecious Core-Shell Catalysts for Durable High-Performance Water Electrolysis.

Journal of the American Chemical Society·2026
Same author

Atomic-Scale Imaging of Lithium Vacancies in a Battery Cathode by Multislice Electron Ptychography.

Nano letters·2026
Same author

Catalyst-, Potential-, and pH-Dependent Product Selectivity of NO Electroreduction on Transition Metals Studied by Coupled Differential Electrochemical Mass Spectrometry and Surface-Enhanced Infrared Absorption Spectroscopy.

Journal of the American Chemical Society·2026
Same author

Weakly Polar Organic Additive Inducing Capacity-Dependent Zinc Growth Transition via Indirect Solvation and Adsorption Engineering in Aqueous Electrolytes.

Small methods·2026

Video Experimental Relacionado

Updated: Jan 25, 2026

Growth of Gold Dendritic Nanoforests on Titanium Nitride-coated Silicon Substrates
05:02

Growth of Gold Dendritic Nanoforests on Titanium Nitride-coated Silicon Substrates

Published on: June 3, 2019

6.9K

Regulación de las variables clave y visualización del crecimiento de las dendritas de litio: un estudio de rayos X

Seung-Ho Yu1,2, Xin Huang3,4, Joel D Brock3,4

  • 1Department of Chemistry and Chemical Biology , Cornell University , Ithaca , New York 14853 , United States.

Journal of the American Chemical Society
|May 8, 2019
PubMed
Resumen

Comprender los mecanismos de recubrimiento de litio es clave para las baterías de iones de litio avanzadas. Este estudio utiliza imágenes de rayos X para revelar cómo las condiciones de funcionamiento afectan la morfología del ánodo de metal de litio durante la carga y descarga.

Más Videos Relacionados

Failure Analysis of Batteries Using Synchrotron-based Hard X-ray Microtomography
08:11

Failure Analysis of Batteries Using Synchrotron-based Hard X-ray Microtomography

Published on: August 26, 2015

9.3K
Author Spotlight: Advancements in X-ray CT Tool Chain for Tree Core Analysis
06:56

Author Spotlight: Advancements in X-ray CT Tool Chain for Tree Core Analysis

Published on: September 22, 2023

1.6K

Videos de Experimentos Relacionados

Last Updated: Jan 25, 2026

Growth of Gold Dendritic Nanoforests on Titanium Nitride-coated Silicon Substrates
05:02

Growth of Gold Dendritic Nanoforests on Titanium Nitride-coated Silicon Substrates

Published on: June 3, 2019

6.9K
Failure Analysis of Batteries Using Synchrotron-based Hard X-ray Microtomography
08:11

Failure Analysis of Batteries Using Synchrotron-based Hard X-ray Microtomography

Published on: August 26, 2015

9.3K
Author Spotlight: Advancements in X-ray CT Tool Chain for Tree Core Analysis
06:56

Author Spotlight: Advancements in X-ray CT Tool Chain for Tree Core Analysis

Published on: September 22, 2023

1.6K

Área de la Ciencia:

  • Ciencias de los materiales
  • La electroquímica
  • Tecnología de baterías

Sus antecedentes:

  • Los ánodos metálicos de litio son ideales para baterías recargables de alta energía, pero enfrentan desafíos debido a la comprensión limitada de los mecanismos de recubrimiento de litio.
  • Los estudios operando son cruciales para elucidar los pasos complejos involucrados en el revestimiento y desprendimiento de litio.

Objetivo del estudio:

  • Visualizar y comprender la evolución del revestimiento de litio y el desprendimiento bajo condiciones operativas y prácticas de la batería.
  • Investigar el impacto de los parámetros críticos de la batería en la morfología del ánodo de metal de litio.

Principales métodos:

  • Se utilizaron técnicas de imagen de rayos X basadas en sincrotrones para la visualización in situ del recubrimiento/desprendimiento de litio.
  • Se examinaron los efectos de la variación de la concentración de sales de litio, la densidad de corriente, la fuerza iónica, los electrolitos y los aditivos.

Principales resultados:

  • Proporcionó información detallada sobre la evolución de la morfología durante el revestimiento de litio en diversas condiciones.
  • Caracterizó la interacción entre los parámetros operativos y la morfología del metal de litio resultante por primera vez.

Conclusiones:

  • El estudio ofrece una comprensión mecanicista más profunda del recubrimiento y desprendimiento de litio.
  • Los hallazgos son críticos para optimizar el rendimiento del ánodo de metal de litio y permitir su uso generalizado en baterías de próxima generación.