Magnets and energy: fundamental attraction?
…magnetic forces on pages 2-3, covering magnetic fields (m3), magnetic flux (Webers) and magnetic flux density (Teslas). Magnets are the basis for all electric motors and over 95% of today’s…
Global energy demand by end use?
…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…
Energy of rotation: angular momentum, inertia and flywheels?
…order to provide the enormous bursts of energy to instigate nuclear fusion reactions, it has 2 giant flywheels. Each one is ramped up over 9-minutes using 8.8MW motors, then the…
Lithium ion batteries: energy density?
…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…
Global vehicle fleet: vehicle sales and electrification by region?
…for key materials used in batteries, motors and traction inverters, such as lithium, fluorinated polymers, battery-grade nickel, graphite, copper, Rare Earth Metals and SiC. Retirement rates of vehicles depend on…
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 permanent magnets: company screen?
…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…
Electric vehicle cost breakdown by component?
…management system (BMS), power distribution system, electric motors, traction inverter, reduction gear, e-fan, battery cooling plates, coolant heater, high-voltage cables, onboard charger (OBC), DC-DC converter and capacitors (chart below, numbers…
Global vehicle sales by manufacturer?
…Volvo abandoned a target to sell only electric cars by 2030. https://thundersaidenergy.com/2024/09/05/electric-vehicles-saturation-point/ Our take is that electric motors are superior to ICE engines in power, performance and vehicle emissions; but…
Hillcrest: ZVS inverter breakthrough?
…below). This AC power signal can be used to feed power into the grid, or to drive the electric motors in an electric vehicle. The switches are MOSFETs or IGBTs….