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関連する概念動画

Batteries and Fuel Cells03:12

Batteries and Fuel Cells

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

Energy Stored in a Capacitor: Problem Solving

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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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ATP Energy Storage and Release01:31

ATP Energy Storage and Release

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ATP is a highly unstable molecule. Unless quickly used to perform work, ATP spontaneously dissociates into ADP and inorganic phosphate (Pi), and the free energy released during this process is lost as heat. The energy released by ATP hydrolysis is used to perform work inside the cell and depends on a strategy called energy coupling. Cells couple the exergonic reaction of ATP hydrolysis with endergonic reactions, allowing them to proceed.
One example of energy coupling using ATP involves a...
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Potential Energy00:52

Potential Energy

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The energy stored by a structure and location of matter in space is called potential energy. For instance, raising a kettlebell changes its spatial location and increases its potential energy. Similarly, a stretched rubber band contains potential energy which, under certain conditions, can be converted into other forms of energy, such as kinetic energy.
Chemical bonds that form attractive forces between atoms also contain potential energy, called chemical energy. When a chemical reaction...
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Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques
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エネルギー貯蔵:ナノマテリアルがもたらす未来

Ekaterina Pomerantseva1,2, Francesco Bonaccorso3,4, Xinliang Feng5,6

  • 1A.J. Drexel Nanomaterials Institute, Drexel University, Philadelphia, PA 19104, USA. ep423@drexel.edu francesco.bonaccorso@iit.it xinliang.feng@tu-dresden.de yicui@stanford.edu gogotsi@drexel.edu.

Science (New York, N.Y.)
|November 23, 2019
PubMed
まとめ

リチウムイオン電池や超電容器のような エネルギー貯蔵装置を 強化します スマートアーキテクチャで 機能的なナノ粒子を組み合わせることは 先進的で汎用的なエネルギー源の鍵です

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Construction and Testing of Coin Cells of Lithium Ion Batteries
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科学分野:

  • 材料科学
  • 化学について
  • エネルギー貯蔵

背景:

  • リチウムイオン電池は,現代の電子機器や電気自動車にとって不可欠であり,2019年のノーベル化学賞によって認められました.
  • ナノ材料は,エネルギー貯蔵システムの性能と開発を向上させる大きな可能性を秘めています.
  • 既存のエネルギー貯蔵ソリューションは ナノ素材で解決できる限界に直面しています

研究 の 目的:

  • エネルギー貯蔵装置にナノ材料を適用する近年の進歩の視点を提供するためです.
  • 柔軟なエレクトロニクスやグリッドスケールのストレージを含む多様なアプリケーションのためのナノマテリアルの可能性を探求する.
  • ナノ材料の限界を克服し,将来の研究を導くための戦略を概説する.

主な方法:

  • バッテリーとスーパーキャパシターにおけるナノマテリアルの応用における最近の進展のレビュー.
  • 機能的なナノ材料アーキテクチャを作成するための戦略の分析.
  • ナノマテリアルの統合のための高度な製造方法の議論.

主要な成果:

  • ナノ材料は,携帯可能で柔軟でウェアラブルな電子機器,電気輸送,グリッドストレージのための多用途の電源を可能にします.
  • 機能的なナノ粒子を組み合わせた スマートアーキテクチャは 高い反応性や不安定性などの問題を軽減できます
  • 機能的なデバイスにナノマテリアルを統合するには,高度な製造が不可欠です.

結論:

  • ナノマテリアルは次世代のエネルギー貯蔵ソリューションにとって不可欠です
  • ナノマテリアルアーキテクチャの戦略的設計は,固有の制約を克服するために不可欠です.
  • 将来のエネルギー用途のためにナノマテリアルを完全に活用するには,製造業のさらなる開発が必要である.