Skip to main content

Mazda first of its kind regenerative braking system developed

Mazda Motor Corporation has developed a regenerative braking system for passenger cars capable of improving fuel economy by approximately 10 per cent. The new i-ELoop (intelligent energy loop) system, claimed to be the first of its kind in the world to use a capacitor, will begin to appear in Mazda vehicles from 2012.
March 26, 2012 Read time: 2 mins
RSS1844 Mazda Motor Corporation has developed a regenerative braking system for passenger cars capable of improving fuel economy by approximately 10 per cent. The new i-ELoop (intelligent energy loop) system, claimed to be the first of its kind in the world to use a capacitor, will begin to appear in Mazda vehicles from 2012.

i-ELoop efficiently converts the vehicle’s kinetic energy into electricity as it decelerates, using the electricity to power the climate control, audio system and numerous other electrical components. The innovative capacitor technology can store large volumes of electricity and, unlike batteries, can be charged and discharged rapidly and is resistant to deterioration through prolonged use.

Mazda claims that, unlike the regenerative braking systems found in hybrid vehicles, its highly efficient solution avoids the need for a dedicated electric motor and battery. i-ELoop features a new variable voltage(12-25V) alternator, a low-resistance electric double layer capacitor (EDLC) and a DC/DC converter. The system starts to recover kinetic energy the moment the driver lifts off the accelerator pedal and the vehicle begins to decelerate. The variable voltage alternator generates electricity at up to 25V for maximum efficiency before sending it to the EDLC for storage. The capacitor, which has been specially developed for use in a vehicle, can be fully charged in seconds. The DC/DC converter steps down the electricity from 25V to 12V before it is distributed directly to the vehicle’s electrical components.

For more information on companies in this article

Related Content

  • Foundation funds research for informed campaigning
    April 29, 2015
    ITS International talks to Professor Stephen Glaister, director of the transport research and lobbying organisation, the RAC Foundation. It is through the eyes of an economist that Professor Stephen Glaister, emeritus professor of transport and infrastructure at Imperial College London and director of the RAC Foundation, views current and future transport problems. Having spent 30 years at the London School of Economics and another 10 at Imperial, the move to the RAC Foundation was a radical departure from
  • Hawaii backs road user charging to replace fuel tax
    August 7, 2019
    Fuel tax revenue in Hawaii is falling - and even in paradise, someone has to pay. Adam Hill talks to Hawaii DoT’s Scot Uruda about a major change in the way the state funds road improvements All over the world, governments, transportation agencies and local authorities are casting around for new forms of revenue as the money from taxes imposed on fuel begins to trickle away. Spending is outstripping tax take as a combination of more efficient internal combustion engines and the increasing take-up of cars
  • Avoiding the call of the wild
    June 29, 2018
    Hitting an animal on a rural road can be fatal for all parties involved – but detecting and avoiding them requires clever technology. Andrew Williams carefully scans the horizon for details. Wildlife-vehicle collisions are an ever-present threat in rural areas around the world, and there is certainly nothing funny about suddenly finding an angry moose in your headlights on a sharp bend. A variety of detection and avoidance systems are currently in use or under development to help prevent your vehicle being
  • Hybrid and EVs growth impact on traction motors predicted by Frost & Sullivan
    May 17, 2012
    Electrification in vehicles is a key trend in the automotive industry. The increase in electric components within vehicles is boosting the market for traction motors and Frost & Sullivan says it anticipates the European traction motor market to grow at a compound annual growth rate (CAGR) of 50 per cent for hybrid electric vehicles (HEVs) and electric vehicles (EVs). Permanent magnet motors are expected to dominate the market by virtue of their performance and efficiency. However, the growing concern over t