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関連する概念動画

Energy Stored in a Capacitor01:12

Energy Stored in a Capacitor

4.8K
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.
4.8K
Energy Stored in a Capacitor: Problem Solving01:26

Energy Stored in a Capacitor: Problem Solving

1.8K
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...
1.8K
Energy Stored in Capacitors01:10

Energy Stored in Capacitors

1.2K
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...
1.2K
MOS Capacitor01:25

MOS Capacitor

1.6K
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...
1.6K
Capacitors and Capacitance01:18

Capacitors and Capacitance

9.6K
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...
9.6K
Spherical and Cylindrical Capacitor01:26

Spherical and Cylindrical Capacitor

6.8K
A spherical capacitor consists of two concentric conducting spherical shells of radii R1 (inner shell) and R2 (outer shell). The shells have  equal and opposite charges of +Q and −Q, respectively. For an isolated conducting spherical capacitor, the radius of the outer shell can be considered to be infinite.
Conventionally, considering the  symmetry, the electric field between the concentric shells of a spherical capacitor is directed radially outward. The magnitude of the field,...
6.8K

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Updated: Feb 21, 2026

Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System
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スーパーキャパシティーの伸縮性MXenes: レビュー

Iftikhar Hussain1,2, Tensangmu Lama Tamang3, Mohammad Nahidul Islam4

  • 1Department of Mechanical Engineering, City University of Hong Kong, Kowloon, Hong Kong.

Chemical record (New York, N.Y.)
|February 19, 2026
PubMed
まとめ

MXenes (2D移行金属炭化物/窒化物) を使用した伸縮可能なエネルギー貯蔵は,高度なウェアラブルデバイスにとって極めて重要です. このレビューでは,スーパーキャパシティーのMXene複合材料の戦略を調査し,商業化のための主要な課題に取り組んでいます.

キーワード:
MXene MXeneは,MXeneという名前で使われています.エレクトロニクス・エレクトロニクスエネルギー貯蔵はエネルギーの貯蔵です.伸縮可能なストレッチャブル.スーパーキャパシティーは,

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Synthesizing a Gel Polymer Electrolyte for Supercapacitors, Assembling a Supercapacitor Using a Coin Cell, and Measuring Gel Electrolyte Performance
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Author Spotlight: Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing
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Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System
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Synthesizing a Gel Polymer Electrolyte for Supercapacitors, Assembling a Supercapacitor Using a Coin Cell, and Measuring Gel Electrolyte Performance
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Author Spotlight: Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing
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科学分野:

  • 材料科学 材料科学とは
  • エネルギー貯蔵 エネルギー貯蔵
  • ナノテクノロジー ナノテクノロジー

背景:

  • ウェアラブルおよびインプラント可能な技術は,先進的なエネルギー貯蔵ソリューションを必要とします.
  • MXenesは2Dトランジション金属炭化物/窒化物であり,エネルギー装置の高伝導性と調節性特性を提供しています.
  • 伸縮可能なアプリケーションにMXenesを適応させるには,機械的および電気化学的な大きな課題があります.

研究 の 目的:

  • 超電容器のためのMXeneベースの伸縮複合材料の開発のための新興戦略をレビューする.
  • MXeneの伸縮材料をラボから市場に移行する際の課題と機会を強調する.
  • 次世代の伸縮可能なエネルギー貯蔵の将来の方向性を概説する.

主な方法:

  • MXeneベースの伸縮複合材料に関する現在の文献のレビュー.
  • 電気化学的および機械的性能を向上させるための様々な設計戦略の分析.
  • インターフェイスの安定性,スケーラビリティ,耐久性の検討.
  • 実験室規模の研究から商業的な製品開発への進歩の概要.

主要な成果:

  • MXeneベースの伸縮性超電容器のさまざまな設計戦略が浮上しています.
  • 主な課題は,インターフェイスの安定性,スケーラビリティの確保,ストレスの下での長期的な耐久性の維持などです.
  • これらの材料をラボスケールから商用アプリケーションに変換する過程で進展が進んでいます.

結論:

  • MXeneベースの伸縮複合材料は,先進的なエネルギー貯蔵のための大きな希望を示しています.
  • 安定性,スケーラビリティ,耐久性の課題を克服することは,広範な採用のために不可欠です.
  • さまざまな技術アプリケーションのための次世代の伸縮型エネルギー貯蔵を実現するために,さらなる研究が必要です.