Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Trophic Levels01:35

Trophic Levels

All organisms in an ecosystem occupy a trophic level in the food chain. The lowest level consists of primary producers, which synthesize their food from either solar or chemical energy. Each subsequent level obtains energy from the levels below. Detritivores can occupy any of the levels above primary producers.
Overview of Fungi01:29

Overview of Fungi

Fungi are a diverse group of eukaryotes more closely related to animals than other eukaryotes. Fungal cell walls comprise chitin, a polysaccharide that provides structural strength, and glucans, which contribute to flexibility and integrity. Other polysaccharides, such as mannans and galactosans, may supplement or replace chitin in some fungi. These adaptations, along with their preference for acidic environments and tolerance for high osmotic pressure, enable fungi to thrive in various...
Bacterial Phylum Firmicutes01:27

Bacterial Phylum Firmicutes

Firmicutes is a diverse phylum of Gram-positive bacteria characterized by a low GC content in their genomes. This phylum includes organisms with monoderm or diderm cell envelopes, highlighting a complex evolutionary history. Firmicutes comprises several major orders, including Lactobacillales, Clostridiales, and Bacillales, which exhibit remarkable diversity in their morphology, metabolism, and ecological roles.The order Lactobacillales includes lactic acid bacteria, which are fermentative...
Microbial Classification System01:24

Microbial Classification System

Classification is the process of organizing organisms into hierarchically inclusive groups based on their phenotypic similarities or evolutionary relationships. A species comprises one or more strains, and closely related species are grouped into genera. Genera are further classified into families, families into orders, orders into classes, and so forth, up to the domain level, which is the broadest taxonomic rank derived from a combination of phenotypic and genotypic data.The nomenclature of...
Feces Formation and Defecation01:26

Feces Formation and Defecation

After spending 3 to 10 hours in the large intestine, chyme loses a lot of water and becomes feces, the final product of digestion. Feces consist of undigested dietary fiber such as cellulose, mucus, sloughed-off epithelial cells, and microbes. The descending and sigmoid colon stores feces and uses haustral contractions to dry it out but retains enough water to give it a semi-solid texture.
The mass peristalsis then pushes the feces into the rectum, which stretches the rectal walls to activate...
Large Intestine01:09

Large Intestine

The large intestine is divided into three main regions: the cecum, colon, and rectum. Extending from the ileocecal valve to the anus, it frames the small intestine on three sides.
The ileocecal sphincter, a mucous membrane fold, guards the opening from the ileum to the large intestine. This valve permits material from the small intestine to pass into the large intestine. Attached to the ileocecal valve is the cecum. This small pouch, approximately 6 cm long, has a twisted, coiled tube known as...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Synergistic effects of porosity and sulfur doping on hard carbon for superior sodium-ion storage.

Physical chemistry chemical physics : PCCP·2026
Same author

Cobalt-porphyrin/Bi<sub>19</sub>S<sub>27</sub>Br<sub>3</sub> nanorods enable photocatalytic CO<sub>2</sub> reduction to C<sub>2</sub>H<sub>4</sub>.

Chemical communications (Cambridge, England)·2026
Same author

All-Polyimide-Mediated Liquid Metal Assembly on Aerogels for Breathable and Robust Electronic Skins.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Leaf-Inspired Eutectic Skin With Extreme Fatigue Resistance and Robust Wet Adhesion for Amphibious Epidermal Electronics.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Confining Bi<sub>12</sub>O<sub>17</sub>Br<sub>2</sub> ultrafine nanotubes within Co-ZIF-derived porous cages for enhanced CO<sub>2</sub> photoreduction.

Chemical communications (Cambridge, England)·2026
Same author

Biligand synergistic MOFs with dual enhancements in stability and charge transfer for efficient CO<sub>2</sub> photoreduction.

Chemical communications (Cambridge, England)·2025

Related Experiment Video

Updated: Jun 16, 2026

Versatile Technique to Produce a Hierarchical Design in Nanoporous Gold
05:28

Versatile Technique to Produce a Hierarchical Design in Nanoporous Gold

Published on: February 10, 2023

2.2K

Hierarchical FeCo

Yunpeng Huang1, Fen Cui2, Mingqing Hua2

  • 1Institute for Energy Research, Jiangsu University, Zhenjiang, 212013, P.R. China.

Chemistry, an Asian Journal
|September 12, 2018
PubMed
Summary
This summary is machine-generated.

Researchers developed a 3D carbon foam electrode with iron-cobalt sulfide nanotubes for efficient energy storage. This new material offers high capacitance and stability for advanced supercapacitors.

Keywords:
FeCo2S4asymmetric supercapacitorscarbon foamenergy storagenanotube arrays

More Related Videos

Heuristic Mining of Hierarchical Genotypes and Accessory Genome Loci in Bacterial Populations
08:03

Heuristic Mining of Hierarchical Genotypes and Accessory Genome Loci in Bacterial Populations

Published on: December 7, 2021

2.8K
Hierarchical and Programmable One-Pot Oligosaccharide Synthesis
09:56

Hierarchical and Programmable One-Pot Oligosaccharide Synthesis

Published on: September 6, 2019

7.3K

Related Experiment Videos

Last Updated: Jun 16, 2026

Versatile Technique to Produce a Hierarchical Design in Nanoporous Gold
05:28

Versatile Technique to Produce a Hierarchical Design in Nanoporous Gold

Published on: February 10, 2023

2.2K
Heuristic Mining of Hierarchical Genotypes and Accessory Genome Loci in Bacterial Populations
08:03

Heuristic Mining of Hierarchical Genotypes and Accessory Genome Loci in Bacterial Populations

Published on: December 7, 2021

2.8K
Hierarchical and Programmable One-Pot Oligosaccharide Synthesis
09:56

Hierarchical and Programmable One-Pot Oligosaccharide Synthesis

Published on: September 6, 2019

7.3K

Area of Science:

  • Materials Science
  • Electrochemistry
  • Energy Storage

Background:

  • Growing global demand for green energy necessitates advanced energy storage solutions.
  • Developing cost-effective and high-performance supercapacitors is crucial.

Purpose of the Study:

  • To design and synthesize a novel 3D carbon foam electrode decorated with FeCo2 S4 nanotubes for supercapacitors.
  • To investigate the electrochemical performance of the FeCo2 S4 /CMF composite for energy storage applications.

Main Methods:

  • Fabrication of a 3D carbon foam electrode (CMF) as a conductive backbone.
  • Deposition of perpendicularly oriented FeCo2 S4 nanotubes arrays onto the CMF.
  • Characterization of the composite material's structure and electrochemical properties.
  • Assembly and testing of an asymmetric supercapacitor device using the FeCo2 S4 /CMF electrode.

Main Results:

  • The 3D hierarchical FeCo2 S4 /CMF composite exhibited a high specific capacitance of 2430 F/g at 1 A/g.
  • Excellent capacitance retention of 91% after 5000 cycles at 9 A/g was achieved.
  • The asymmetric supercapacitor delivered a high energy density of 78.7 Wh/kg at a power density of 800.3 W/kg.

Conclusions:

  • The rational design of 3D hierarchical FeCo2 S4 /CMF composite offers a promising strategy for high-performance supercapacitors.
  • The material demonstrates superior electrochemical performance compared to previously reported binary metal sulfide electrodes.
  • This work presents a new approach for low-cost synthesis of advanced 3D foam electrodes for energy storage.