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

The Carbon Cycle01:14

The Carbon Cycle

43.3K
Carbon is the basis of all organic matter on Earth, and is recycled through the ecosystem in two primary processes: one in which carbon is exchanged among living organisms, and one in which carbon is cycled over long periods of time through fossilized organic remains, weathering of rocks, and volcanic activity. Human activities, including increased agricultural practices and the burning of fossil fuels, has greatly affected the balance of the natural carbon cycle.
43.3K
Carbon Skeletons01:12

Carbon Skeletons

114.6K
Life on Earth is carbon-based, as all macromolecules that make up living organisms contain carbon atoms. All organic compounds have a carbon backbone. Each carbon atom is tetravalent and can bond with four other atoms, making it an extraordinarily flexible component of biological molecules. Because carbon’s valence electrons are stable, it rarely becomes an ion. As the carbon chain increases in length, structural modifications such as ring structures, double bonds, and branching side...
114.6K
Alternative RNA Splicing02:18

Alternative RNA Splicing

24.8K
Alternative RNA splicing is the regulated splicing of exons and introns to produce different mature mRNAs from a single pre-mRNA. Unlike in constitutive splicing where a single gene produces a single type of mRNA, alternative splicing allows an organism to produce multiple proteins from a single gene and plays an important role in protein diversity.
There are five types of alternative RNA splicing that vary in the ways the pre-mRNA segments are removed or retained in the mature mRNA. The first...
24.8K
Alternative RNA Splicing02:18

Alternative RNA Splicing

5.0K
5.0K
Standard Electrode Potentials03:02

Standard Electrode Potentials

50.0K
On comparing the reactivity of silver and lead, it is observed that the two ionic species, Ag+ (aq) and Pb2+ (aq), show a difference in their redox reactivity towards copper: the silver ion undergoes spontaneous reduction, while the lead ion does not. This relative redox activity can be easily quantified in electrochemical cells by a property called cell potential. This property is commonly known as cell voltage in electrochemistry, and it is a measure of the energy which accompanies the charge...
50.0K
Null and Alternative Hypotheses01:16

Null and Alternative Hypotheses

12.5K
The actual hypothesis testing begins by considering two hypotheses. They are termed  the null hypothesis and the alternative hypothesis. These hypotheses contain opposing viewpoints.
The null hypothesis, denoted by H0 is a statement of no difference between the variables—they are not related. This can often be considered the status quo. As  a result if you cannot accept the null, it requires some action.
The alternative hypothesis, denoted by H1 or Ha, is a claim about the...
12.5K

You might also read

Related Articles

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

Sort by
Same author

Activated hepatic stellate cells impair NK cell anti-fibrosis capacity through a TGF-β-dependent emperipolesis in HBV cirrhotic patients.

Scientific reports·2017
Same author

Concurrent agglomeration and straining govern the transport of <sup>14</sup>C-labeled few-layer graphene in saturated porous media.

Water research·2017
Same author

Effects of temperature on graphene oxide deposition and transport in saturated porous media.

Journal of hazardous materials·2017
Same author

Computational Analysis of Intra-Ventricular Flow Pattern Under Partial and Full Support of BJUT-II VAD.

Medical science monitor : international medical journal of experimental and clinical research·2017
Same author

Inflammation is independent of steatosis in a murine model of steatohepatitis.

Hepatology (Baltimore, Md.)·2017
Same author

Electromagnetic pulsed thermography for natural cracks inspection.

Scientific reports·2017

Related Experiment Video

Updated: Jan 26, 2026

Precision Milling of Carbon Nanotube Forests Using Low Pressure Scanning Electron Microscopy
08:10

Precision Milling of Carbon Nanotube Forests Using Low Pressure Scanning Electron Microscopy

Published on: February 5, 2017

7.8K

Ball-milled biochar for alternative carbon electrode.

Honghong Lyu1, Zebin Yu2, Bin Gao3

  • 1Key Laboratory of Original Agro-Environmental Pollution Prevention and Control, Ministry of Agriculture/Tianjin Key Laboratory of Agro-environment and Safe-product, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin, 300401, China.

Environmental Science and Pollution Research International
|April 5, 2019
PubMed
Summary

Ball-milled biochars (BM-biochars) offer enhanced electrochemical properties due to reduced particle size and increased functional groups. These novel BM-biochars present a low-cost, high-efficiency alternative for electrode applications.

Keywords:
Ball-milled biocharElectrodeMechanismsOxygen-containing functional groupsSurface area

More Related Videos

Author Spotlight: On-Site Biochar Production for Woody Debris Incineration in Forestry
07:27

Author Spotlight: On-Site Biochar Production for Woody Debris Incineration in Forestry

Published on: January 5, 2024

3.9K
Author Spotlight: Advancing Place-Based Biochar Production for Ecosystem Restoration and Soil Health
03:42

Author Spotlight: Advancing Place-Based Biochar Production for Ecosystem Restoration and Soil Health

Published on: April 5, 2024

1.5K

Related Experiment Videos

Last Updated: Jan 26, 2026

Precision Milling of Carbon Nanotube Forests Using Low Pressure Scanning Electron Microscopy
08:10

Precision Milling of Carbon Nanotube Forests Using Low Pressure Scanning Electron Microscopy

Published on: February 5, 2017

7.8K
Author Spotlight: On-Site Biochar Production for Woody Debris Incineration in Forestry
07:27

Author Spotlight: On-Site Biochar Production for Woody Debris Incineration in Forestry

Published on: January 5, 2024

3.9K
Author Spotlight: Advancing Place-Based Biochar Production for Ecosystem Restoration and Soil Health
03:42

Author Spotlight: Advancing Place-Based Biochar Production for Ecosystem Restoration and Soil Health

Published on: April 5, 2024

1.5K

Area of Science:

  • Materials Science
  • Electrochemistry
  • Nanotechnology

Background:

  • Biochar, a carbon-rich material derived from biomass pyrolysis, has garnered interest for various applications.
  • Modifying biochar properties can enhance its performance in electrochemical systems.
  • Ball milling is a mechanical process used to reduce particle size and alter material characteristics.

Purpose of the Study:

  • To investigate the effects of ball milling on biochar properties.
  • To evaluate the electrochemical performance of ball-milled biochar-modified electrodes.
  • To assess the potential of ball-milled biochars as low-cost electrode materials.

Main Methods:

  • Biochars were produced at 300, 450, and 600 °C and subsequently ball-milled.
  • Characterization included SEM, surface area analysis, hydrodynamic diameter, and FTIR.
  • Electrochemical properties were tested using cyclic voltammetry (CV) and electrochemical impedance spectra (EIS) for Fe(CN)63- reduction.

Main Results:

  • Ball milling reduced particle size (140-250 nm) and increased oxygen-containing functional groups (2.2-4.4 mmol/g) in biochars.
  • BM-biochar modified electrodes showed significantly improved electrochemical properties (e.g., lower peak-to-peak separation) compared to bare GCE.
  • The 600 °C ball-milled biochar electrode exhibited the best electrocatalytic activity with minimal resistance.

Conclusions:

  • Ball milling effectively enhances biochar properties for electrochemical applications.
  • BM-biochar/GCEs demonstrate superior electrocatalytic activity and stability.
  • The low cost and high efficiency of BM-biochars indicate their potential as sustainable electrode materials.