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Related Concept Videos

MOS Capacitor01:25

MOS Capacitor

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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.
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Energy Stored in a Capacitor01:12

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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.
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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 With A Dielectric01:18

Capacitor With A Dielectric

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Parallel plate capacitors consist of two conducting plates separated by a certain distance. However, it is mechanically difficult to hold the large plates parallel to each other without actual contact. Hence, a dielectric layer is commonly placed between the plates, which provides an easy solution for holding the plates together with a small gap and increases the capacitance of the capacitor.
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Equivalent Capacitance01:19

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From the study of resistive circuits, it is understood that employing a series-parallel combination serves as an effective strategy for simplifying circuits. Capacitors can be arranged within a circuit in one of two ways: a series configuration or a parallel configuration. The way these capacitors are connected to a battery will influence both the potential drop across each individual capacitor and the size of the charge that each capacitor can store. This is determined by the specific type of...
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Equivalent Capacitance01:19

Equivalent Capacitance

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Multiple capacitors can be connected in a circuit in series or parallel configuration. When the capacitor combination is connected to a battery, the potential drop across each capacitor and the magnitude of charge stored in the individual capacitor depends on the type of the connection. The capacitor combination is replaced by a single equivalent capacitor that stores the same amount of charge as the combination for a given potential difference.
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Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System
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Silicon-Compatible Carbon-Based Micro-Supercapacitors.

Xiaodong Zhuang1, Xinliang Feng2

  • 1Center for Advancing Electronics Dresden (cfaed) and Department of Chemistry and Food Chemistry, Technische Universität Dresden, Mommsenstrasse 4, 01062, Dresden, Germany.

Angewandte Chemie (International Ed. in English)
|April 22, 2016
PubMed
Summary
This summary is machine-generated.

Elastic carbide-derived carbons (CDCs) films were successfully fabricated on silicon wafers for micro-supercapacitors. These durable CDC films prevent delamination, enabling practical applications in silicon-based and flexible electronics.

Keywords:
carbon materialselastic carbon filmsmicro-supercapacitorpower and energy densitysilicon wafer

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Area of Science:

  • Materials Science
  • Electrochemistry
  • Nanotechnology

Background:

  • Micro-supercapacitors are crucial energy storage devices for miniaturized electronics.
  • Developing stable and efficient electrode materials is key for micro-supercapacitor performance.
  • Carbide-derived carbons (CDCs) offer promising electrochemical properties for energy storage.

Purpose of the Study:

  • To fabricate durable silicon-wafer-supported elastic carbide-derived carbons (CDCs) films.
  • To assess the suitability of these CDC films for micro-supercapacitor applications.
  • To advance the integration of micro-supercapacitors in silicon-based and flexible electronics.

Main Methods:

  • Fabrication of elastic CDC films on silicon wafer substrates.
  • Characterization of the structural and mechanical integrity of the CDC films.
  • Integration and testing of the CDC films in micro-supercapacitor devices.

Main Results:

  • Demonstrated successful fabrication of delamination- and crack-free CDC films on silicon wafers.
  • Confirmed the elastic nature and stability of the CDC films.
  • Showcased the potential of these films for practical micro-supercapacitor applications.

Conclusions:

  • Silicon-wafer-supported elastic CDC films are a viable material for advanced micro-supercapacitors.
  • The developed fabrication method overcomes previous limitations in CDC film integration.
  • This advancement facilitates the development of next-generation silicon-based and flexible electronic devices.