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Related Concept Videos

Electrodeposition01:08

Electrodeposition

641
Electrodeposition is a technique used to separate an analyte from interferents by electrochemical processes. Here, the analyte is a metal ion that can be deposited on an electrode immersed in the sample solution. The electrochemical setup consists of an anode and a cathode. When an electric current is applied to the setup, oxidation occurs at the anode. At the cathode, which consists of a large metal surface, metal ions undergo reduction and deposit onto the surface.
Electrodeposition can...
641
MOS Capacitor01:25

MOS Capacitor

808
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...
808

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Atomic Layer Deposition-A Versatile Toolbox for Designing/Engineering Electrodes for Advanced Supercapacitors.

Mohd Zahid Ansari1, Iftikhar Hussain2, Debananda Mohapatra3

  • 1School of Materials Science and Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk, 38541, Republic of Korea.

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|November 8, 2023
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Atomic layer deposition (ALD) enhances supercapacitor (SC) electrodes by enabling precise control over nanostructured materials. This review explores ALD

Keywords:
atomic layer deposition (ALD)electrode architecture designselectrode materialsperformance optimizationthin films

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Area of Science:

  • Materials Science
  • Electrochemistry
  • Nanotechnology

Background:

  • Atomic layer deposition (ALD) is a key thin-film technique known for self-limiting growth, precise thickness control, and high-quality deposition.
  • ALD shows significant promise for advancing supercapacitors (SCs) through novel electrode material construction and surface engineering.

Purpose of the Study:

  • To provide a comprehensive review of ALD applications in high-performance supercapacitor electrode development.
  • To analyze the impact of ALD parameters on electrochemical performance and material properties for SCs.

Main Methods:

  • Review of existing literature on ALD for supercapacitor electrode fabrication.
  • Analysis of ALD's role in creating nanostructured materials, 3D architectures, and electrode passivation.
  • Examination of the relationship between ALD synthesis parameters and resulting SC performance.

Main Results:

  • ALD enables precise control over nanostructured electrode materials for enhanced SC performance.
  • ALD facilitates the creation of 3D nanoarchitectures and surface passivation, improving energy storage capabilities.
  • Understanding ALD parameter influence is crucial for optimizing SC electrode design.

Conclusions:

  • ALD is a powerful tool for fabricating advanced electrodes for high-performance supercapacitors.
  • Future research should focus on leveraging ALD for novel materials and exploring new fabrication opportunities.