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

Voltaic/Galvanic Cells02:47

Voltaic/Galvanic Cells

Spontaneous Chemical Reactions
Spontaneous redox reactions occur abundantly in nature. The chemical reaction occurring in a disposable AA battery powering our remote controls is one such example of a spontaneous redox reaction. Another example is the immersion of coiled copper wire into an aqueous silver nitrate solution. The reaction shows a gradual, visually impressive color change from colorless to bright blue and the formation of a grey precipitate on the copper wire. In this experiment,...
Batteries and Fuel Cells03:12

Batteries and Fuel Cells

A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to accommodate various applications, from tiny button batteries such as those that power wristwatches to the very large batteries used to supply backup energy to municipal power grids. Some batteries are designed for single-use applications and cannot be recharged (primary cells), while others are based on conveniently reversible cell reactions that...
Thermal and Photochemical Electrocyclic Reactions: Overview01:26

Thermal and Photochemical Electrocyclic Reactions: Overview

Electrocyclic reactions are reversible reactions. They involve an intramolecular cyclization or ring-opening of a conjugated polyene. Shown below are two examples of electrocyclic reactions. In the first reaction, the formation of the cyclic product is favored. In contrast, in the second reaction, ring-opening is favored due to the high ring strain associated with cyclobutene formation.
P-N junction01:11

P-N junction

A p-n junction is formed when p-type and n-type semiconductor materials are joined together. At the interface of the p-n junction, holes from the p-side and electrons from the n-side begin to diffuse into the opposite sides due to the concentration gradient. This diffusion of carriers leads to a region around the junction where there are no free charge carriers, known as the depletion region. The charge density within the depletion region for the n-side and p-side can be described by the...
Electrochemical Cells01:28

Electrochemical Cells

Electrochemical cells are systems that convert chemical energy into electrical energy or use electrical energy to drive chemical reactions. They consist of two electrodes in contact with an electrolyte, where redox reactions enable electron transfer. Most electrochemical cells include two half-cells connected by an external wire for electron flow and a salt bridge for ion flow. The salt bridge contains an electrolyte solution and maintains charge neutrality by allowing ions—not electrons—to...
Junction Potentials in Galvanic Cells01:21

Junction Potentials in Galvanic Cells

The Nernst equation, derived under the assumption of thermodynamic equilibrium, calculates the electromotive force (emf) as the sum of potential differences at phase boundaries in a reversible cell without a liquid junction. However, in irreversible cells such as the Daniell cell, an additional potential difference named the liquid-junction potential (EJ) arises across the interface of two electrolyte solutions due to different ion diffusion rates. This EJ represents the potential difference...

You might also read

Related Articles

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

Sort by
Same author

[Identification of Placenta hominis and its adulterants using COI barcode].

Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica·2014
Same author

Two new species of Austrophthiracarus (Acari: Oribatida: phthiracaridae) from New Zealand.

Zootaxa·2014
Same author

The genus Notophthiracarus of New Zealand (Acari: Oribatida: Phthiracaridae): three new species and a key to 24 described species.

Zootaxa·2014
Same author

MHC class II restricted innate-like double negative T cells contribute to optimal primary and secondary immunity to Leishmania major.

PLoS pathogens·2014
Same author

Hepatic perfusion parameters of contrast-enhanced ultrasonography correlate with the severity of chronic liver disease.

Ultrasound in medicine & biology·2014
Same author

Dietary accumulation of tetrabromobisphenol A and its effects on the scallop Chlamys farreri.

Comparative biochemistry and physiology. Toxicology & pharmacology : CBP·2014

Related Experiment Video

Updated: Jul 9, 2026

In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries
11:25

In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries

Published on: November 10, 2014

An All-vanadium Continuous-flow Photoelectrochemical Cell for Extending State-of-charge in Solar Energy Storage.

Zi Wei1, Yi Shen2, Dong Liu2

  • 1Department of Mechanical Engineering, University of Massachusetts Lowell, Lowell, MA, 01854, USA.

Scientific Reports
|April 6, 2017
PubMed
Summary

This study presents an all-vanadium (all-V) continuous-flow photoelectrochemical storage cell (PESC) that significantly enhances solar energy storage. Forced electrolyte flow boosts photocurrent and storage capacity, improving renewable energy reliability.

More Related Videos

A Protocol for Electrochemical Evaluations and State of Charge Diagnostics of a Symmetric Organic Redox Flow Battery
09:49

A Protocol for Electrochemical Evaluations and State of Charge Diagnostics of a Symmetric Organic Redox Flow Battery

Published on: February 13, 2017

Solar-Driven Electrochemical Green Fuel Production from CO2 and Water Using Ti3C2Tx MXene-Supported CuZn and NiCo Catalysts
10:15

Solar-Driven Electrochemical Green Fuel Production from CO2 and Water Using Ti3C2Tx MXene-Supported CuZn and NiCo Catalysts

Published on: November 7, 2025

Related Experiment Videos

Last Updated: Jul 9, 2026

In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries
11:25

In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries

Published on: November 10, 2014

A Protocol for Electrochemical Evaluations and State of Charge Diagnostics of a Symmetric Organic Redox Flow Battery
09:49

A Protocol for Electrochemical Evaluations and State of Charge Diagnostics of a Symmetric Organic Redox Flow Battery

Published on: February 13, 2017

Solar-Driven Electrochemical Green Fuel Production from CO2 and Water Using Ti3C2Tx MXene-Supported CuZn and NiCo Catalysts
10:15

Solar-Driven Electrochemical Green Fuel Production from CO2 and Water Using Ti3C2Tx MXene-Supported CuZn and NiCo Catalysts

Published on: November 7, 2025

Area of Science:

  • Renewable Energy Storage
  • Electrochemistry
  • Materials Science

Background:

  • Solar energy intermittency necessitates efficient storage solutions.
  • Improving reliability, availability, and quality of solar energy is crucial.
  • All-vanadium (all-V) systems offer potential for energy storage applications.

Purpose of the Study:

  • To demonstrate an all-vanadium (all-V) continuous-flow photoelectrochemical storage cell (PESC).
  • To achieve efficient and high-capacity solar energy storage by enhancing photocurrent and photocharging depth.
  • To investigate the impact of forced convective flow on PESC performance.

Main Methods:

  • Fabrication and testing of an all-vanadium (all-V) continuous-flow PESC.
  • Utilizing forced convective flow of electrolytes within a serpentine channel.
  • Employing electrochemical impedance spectroscopy (EIS) to analyze charge transfer resistance.
  • Measuring photocurrent and state of charge (SOC) gain under AM1.5 illumination.

Main Results:

  • Forced convective flow enhanced photocurrent by 5 times compared to stagnant electrolytes.
  • Electrolyte flow significantly reduced charge transfer resistance due to improved mass transport.
  • The all-V continuous-flow PESC achieved a ~20% gain in SOC within 1.7 hours without external bias.
  • SOC gain was three times higher than with stagnant electrolytes over a 25-hour period.

Conclusions:

  • Forced convective flow is a key factor in optimizing PESC performance.
  • The developed all-V continuous-flow PESC demonstrates high efficiency and capacity for solar energy storage.
  • This technology offers a promising solution for mitigating solar energy intermittency and enhancing grid stability.