関連する実験動画

Updated: Jul 12, 2026

Membraneless Hydrogen Peroxide Fuel Cells as a Promising Clean Energy Source
06:39

Membraneless Hydrogen Peroxide Fuel Cells as a Promising Clean Energy Source

Published on: October 20, 2023

エネルギー源:現実的な見通し

C Starr, M F Searl, S Alpert

    Science (New York, N.Y.)
    |May 15, 1992
    PubMed
    まとめ

    世界のエネルギー需要は成長により2050年までに4倍に増加する可能性があるが,効率化はこれを半減させる可能性がある. 資源の不足と環境への懸念は,将来のエネルギー選択肢を形作るだろう.

    関連する概念動画

    Energy00:58

    Energy

    The universe is composed of matter in different forms, and all forms of matter contain energy.  The different forms of energy on Earth originate from the Sun—the ultimate energy source. For instance, plants capture light energy from the Sun, and through the process of photosynthesis, convert it into chemical energy. This stored energy from plants can be harnessed in many ways. For example, eating plant products as food provides energy for our body to function, and burning wood or coal...
    Energy Basics02:27

    Energy Basics

    Chemical reactions, such as those that occur when you light a match, involve changes in energy as well as matter.
    Unrealistic Optimism Bias01:30

    Unrealistic Optimism Bias

    Unrealistic optimism bias is the tendency to overestimate the likelihood of positive outcomes. This cognitive bias makes individuals believe they are less likely to experience failures, setbacks, or risks and more likely to succeed than others. For example, people may assume they are less prone to health issues, accidents, or financial struggles than their peers, even when they share similar risk factors.One key component of this bias is the above-average effect, where individuals perceive...
    Power and Energy01:12

    Power and Energy

    The power and energy delivered to an element are subjects of great significance in the field of electrical engineering. It is a well-known fact that a 100-watt light bulb emits more light than a 60-watt one. Therefore, power and energy calculations play a crucial role in the analysis of electrical circuits.
    Power, defined as the time rate of expending or absorbing energy, is quantified in units called watts (W). The relation between power and energy is mathematically given as
    What is Energy?04:10

    What is Energy?

    The universe is composed of matter in different forms, and all forms of matter contain energy.  The different forms of energy on Earth originate from the Sun — the ultimate energy source. Plants capture light energy from the Sun, and, via the process of photosynthesis, convert it into chemical energy. This stored energy from plants can be harnessed in many ways. For example, eating plant products as food provides energy for our body to function, and burning wood or coal (fossilized plants)...
    Energy Diagrams - II01:10

    Energy Diagrams - II

    Energy diagrams are important to understand the dynamics of a system. The topology of an energy diagram helps illustrate the equilibrium points of the system.
    The point in the energy diagram at which the system’s potential energy is the lowest is known as the local minima. The system tends to stay in this position indefinitely unless acted upon by a net force. The slope of the potential energy diagram at the local minima is zero, indicating that zero net force is acting on the system. The slope...