Global energy demand by end use?

Breakdown of global useful energy demand across 50 categories. The largest are electric motors and residential heat, followed by steel, general manufacturing, and plastics.

…below. The largest categories are electric motors (15%), passenger cars (13%), residential heat (10%), manufacturing processes (6%) and other electrical appliances (5%). Although note that this is also because these…

Lithium ion batteries: energy density?

Energy density of lithium ion batteries

…justifies the electrification of light passenger vehicles, as electric motors are 2-6x more efficient than combustion engines. But we still see high-density hydrocarbons retaining a major role in aviation, long-distance…

Energy transition from first principles?

…energy transition from first principles… Energy theory from first principles: energy units, thermo-dynamics, electricity, electrochemistry, magnets and motors and semiconductors. https://thundersaidenergy.com/2022/08/25/energy-units-life-the-universe-and-everything/ Decarbonization technologies from first principles: renewables, batteries, EVs, EV charging, lithium…

Magnets and energy: fundamental attraction?

Overview of magnets

Electric currents create magnetic fields. Moving magnets induce electric currents. These principles underpin 95% of global power generation, 50% of wind turbines, motors that comprise 45% of electricity use, heat…

Magnets and permanent magnets: company screen?

Permanent magnets companies

…include electric motors, including for electric vehicles; electric compressors, especially for HVAC applications and heat pumps; wind turbines. More mundanely, permanent magnets are also sold into ordinary household appliances like…

Electrical conductivity: energy transition materials?

Electrical conductivity energy transition materials

…Electrical grade steel is used in electric motors, transformers and generators, in order to create electro-magnetic fields. Finally, PV silicon is a semiconductor, around 10,000 more resistive than conductive metals,…

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