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Related Concept Videos

Capacitors and Capacitance01:18

Capacitors and Capacitance

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A device consisting of two electrical conductors that are separated by a distance and used to store electrical charges is called a capacitor. The space between the conductors is either a vacuum or an insulating material, called a dielectric. Capacitors have many applications, ranging from filtering static from radio reception to energy storage in heart defibrillators.
When the conductors are two identical parallel plates, it is called a parallel plate capacitor. When battery terminals are...
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Capacitors01:15

Capacitors

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Capacitors play a crucial role in car radios, where they filter and store frequencies to ensure clear signal reception. Essentially serving as energy storage devices, capacitors store energy within their electric field and are composed of two parallel conducting plates separated by a dielectric.
When a voltage source is connected to a capacitor, positive and negative charges accumulate on the opposite plates. This accumulation generates a potential difference that equals the product of the...
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Energy Stored in a Capacitor: Problem Solving01:26

Energy Stored in a Capacitor: Problem Solving

1.0K
In 1749, Benjamin Franklin coined the word battery for a series of capacitors connected to store energy. Capacitors store electric potential energy that can be released over a short time. This property means capacitors have a wide range of applications.
Capacitor-discharge ignition is a type of ignition system commonly found in small engines where the energy released from a capacitor ignites an induction coil that, in turn, fires the spark plug.
To calculate the energy stored in a capacitor of...
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Energy Stored in a Capacitor01:12

Energy Stored in a Capacitor

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When an archer pulls the string in a bow, he saves the work done in the form of elastic potential energy. When he releases the string, the potential energy is released as kinetic energy of the arrow. A capacitor works on the same principle in which the work done is saved as electric potential energy. The potential energy (UC) could be calculated by measuring the work done (W) to charge the capacitor.
3.6K
Energy Stored in Capacitors01:10

Energy Stored in Capacitors

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A parallel plate capacitor, when connected to a battery, develops a potential difference across its plates. This potential difference is key to the operation of the capacitor, as it determines how much electrical energy the capacitor can store.
By integrating the equation that relates voltage and current in a capacitor, one can derive an equation for the voltage across the capacitor at any given time. This equation is crucial in understanding and predicting the behavior of capacitors in...
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Capacitor in an AC Circuit01:23

Capacitor in an AC Circuit

2.6K
A capacitor is charged by passing an electric current through it, which causes the plates to start accumulating an electrostatic charge. Since the strength of the charging current is maximum when the capacitor plates are uncharged and gradually decreases exponentially until the capacitor is fully charged, the charging process is neither instantaneous nor linear. The property of a capacitor to store a charge on its plates is called its capacitance.
Consider a purely capacitive circuit consisting...
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Updated: May 27, 2025

Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System
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Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System

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Supercapacitor Materials Database Generated using Web Scrapping and Natural Language Processing.

Tikam C Soni1, M K Manoj2, M L Verma3

  • 1Department of Metallurgical and Materials Engineering, National Institute of Technology Raipur, Raipur, 492010, (C.G.) India; Department of Metallurgy Engineering, Shri Rawatpura Sarkar University, Raipur, 492015, India.

Journal of Molecular Graphics & Modelling
|February 18, 2025
PubMed
Summary
This summary is machine-generated.

A new supercapacitor materials database was created by analyzing research abstracts. This database aids in predicting and designing advanced electrochemical energy storage devices for sustainability.

Keywords:
BatteryBERT modelDatabaseNatural language processingSupercapacitorWeb scrapping

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Area of Science:

  • Materials Science
  • Electrochemistry
  • Sustainable Energy

Background:

  • Electrochemical energy storage is crucial for environmental sustainability.
  • Supercapacitors offer high-power density and long lifespans, making them alternatives to batteries.
  • Existing research provides insights into supercapacitor materials and performance.

Purpose of the Study:

  • To develop a comprehensive database of supercapacitor materials.
  • To facilitate the prediction and design of next-generation supercapacitors.
  • To consolidate information on electrode/electrolyte materials and device performance.

Main Methods:

  • Web scraping of article abstracts from the Scopus database.
  • Natural Language Processing (NLP) using Regular Expressions, BatteryBERT Language Model, and ChemDataExtractor.
  • Data extraction and organization into a structured database.

Main Results:

  • A database containing 28,269 entries was compiled.
  • The database includes 21 fields covering metadata, materials, and performance parameters.
  • The processed data provides a foundation for supercapacitor research.

Conclusions:

  • The established database represents a novel resource for supercapacitor research.
  • This resource can accelerate the discovery and development of improved supercapacitors.
  • The database supports data-driven design and prediction in electrochemical energy storage.