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Related Concept Videos

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...
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,...
DC Battery01:21

DC Battery

A conductor needs to be a component of a path that creates a closed loop or full circuit to have a continuous current flowing through it. A current starts to flow if an electric field is created inside an isolated conductor that is not part of a full circuit. The conductor quickly develops a net positive charge at one end and a net negative charge at the other. These charges generate an electric field opposite the direction of the applied electric field, which reduces the current. Eventually,...
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...
Electrochemical Systems01:24

Electrochemical Systems

Electrochemical systems provide a fascinating insight into the dynamic interplay of charged species within various phases. One notable example is the interaction between a membrane permeable to K⁺ ions but not to Cl⁻ ions, separating an aqueous KCl solution from pure water. As K⁺ ions diffuse through the membrane, they generate net charges on each phase, leading to a potential difference between them.Similarly, when a piece of Zn is immersed in an aqueous ZnSO₄ solution, the Zn metal, composed...
MOS Capacitor01:25

MOS Capacitor

A Metal-Oxide-Semiconductor (MOS) capacitor is a fundamental structure used extensively in semiconductor device technology, particularly in the fabrication of integrated circuits and MOSFETs (metal-oxide-semiconductor field-effect transistors). The MOS capacitor consists of three layers: a metal gate, a dielectric oxide, and a semiconductor substrate.
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...

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Related Experiment Video

Updated: Jun 4, 2026

Protocol of Electrochemical Test and Characterization of Aprotic Li-O2 Battery
08:18

Protocol of Electrochemical Test and Characterization of Aprotic Li-O2 Battery

Published on: July 12, 2016

A Li-O2/CO2 battery.

Kensuke Takechi1, Tohru Shiga, Takahiko Asaoka

  • 1Advanced Battery Lab, Toyota Central R&D Laboratories, Inc., 41-1 Nagakute, Aichi 480-1192, Japan. ktakechi@mosk.tytlabs.co.jp

Chemical Communications (Cambridge, England)
|February 10, 2011
PubMed
Summary

A novel gas battery using oxygen and carbon dioxide shows three times higher capacity than traditional lithium-air batteries. This advancement stems from efficient superoxide radical consumption and slow lithium carbonate buildup.

Area of Science:

  • Electrochemistry
  • Materials Science
  • Energy Storage

Background:

  • Non-aqueous lithium-air (O(2)) batteries are a promising energy storage technology.
  • High discharge capacity is crucial for practical applications.
  • Challenges include limited capacity and short cycle life.

Purpose of the Study:

  • To develop a new gas-utilizing battery with enhanced discharge capacity.
  • To investigate the performance of a battery using a mixed gas of O(2) and CO(2).

Main Methods:

  • Development of a novel gas-utilizing battery system.
  • Testing the battery's discharge capacity using a mixed O(2) and CO(2) gas environment.

Main Results:

  • The developed battery demonstrated significantly high discharge capacity.

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Focused Ion Beam Fabrication of LiPON-based Solid-state Lithium-ion Nanobatteries for In Situ Testing

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Last Updated: Jun 4, 2026

Protocol of Electrochemical Test and Characterization of Aprotic Li-O2 Battery
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Construction and Testing of Coin Cells of Lithium Ion Batteries
07:23

Construction and Testing of Coin Cells of Lithium Ion Batteries

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Focused Ion Beam Fabrication of LiPON-based Solid-state Lithium-ion Nanobatteries for In Situ Testing
10:58

Focused Ion Beam Fabrication of LiPON-based Solid-state Lithium-ion Nanobatteries for In Situ Testing

Published on: March 7, 2018

  • The capacity achieved was approximately three times greater than that of non-aqueous Li-air (O(2)) batteries.
  • The enhanced performance is attributed to rapid superoxide anion radical consumption by CO(2) and slow Li(2)CO(3) filling in the cathode.

    • Conclusions:

    • The new gas battery design offers a substantial improvement in discharge capacity.
    • The use of CO(2) alongside O(2) is a key factor in achieving high performance.
    • This technology holds potential for next-generation energy storage solutions.