Understanding Power Density

Introduction When trying to figure out the Power Density of different batteries and fuel sources, the resources encountered both on the web and in scientific papers seemed confused. Definitions were presented in terms of power per unit volume, power per unit mass, some even unique measures like in terms of volume per unit time. Which is correct? I explore this question in this article. Foundational Knowledge Let’s begin with something foundational and likely more familiar to the general reader: Energy Density (more familiar) and Specific Energy (less familiar)....

March 4, 2024 · Joel Tok