Skip to main content

New range extenders for hybrid electric vehicles in 2015

According to the IDTechEx report Range Extenders for Electric Vehicles Land, Water & Air 2015-2025, over eight million hybrid cars will be made in 2025, with a range extender, the additional power source that distinguishes them from pure-electric. They will also be in buses, military vehicles and boats: a major new market overall. Today's range extenders consist of little more than off-the-shelf internal combustion engines. They are being replaced by second-generation range extenders - piston engines design
March 6, 2015 Read time: 2 mins
RSSAccording to the 6582 IDTechEx report Range Extenders for Electric Vehicles Land, Water & Air 2015-2025, over eight million hybrid cars will be made in 2025, with a range extender, the additional power source that distinguishes them from pure-electric. They will also be in buses, military vehicles and boats: a major new market overall.

Today's range extenders consist of little more than off-the-shelf internal combustion engines. They are being replaced by second-generation range extenders - piston engines designed from scratch for fairly constant load. Next, advanced rotary combustion engines such as the Libralato in the UK are coming centre stage with trials and rollouts in cars, planes and more.
 
Fuel generator range extenders have no separate shaft to a generator. Elegantly, they produce electricity directly. A rotary combustion engine has been made in this way and fuel cells also act as fuel generators as do the experimental free-piston engines that have oscillating pistons within magnets and coils. The ECE of KanLabs also comes in this category. Indeed, it has no moving parts, just producing electricity directly from heat.
 
Thermoelectric harvesting produces electricity from heat difference though ECE is not thermoelectric in action. It is an "external combustion thermal engine". Through thermal cycles of free-electrons in a metal or semiconductor, ECE converts thermal energy into electricity with high efficiency claims the company, reporting that its ECE for bikes, boats, robots and planes has three key components: thermal converter, inductor/capacitor resonant tank and controller/ switch. Between 100C and 850C, net thermal efficiency should be 42 per cent, they compute, way ahead of thermoelectrics. Any fuel can be used.
 
The report compares all range extenders but thermoelectrics, being much lower power, is not range extender material but rather a form of energy harvesting in the jargon. Nonetheless, this IDTechEx report forecasts the lower power needed over the years given assistance from fast charging and energy harvesting innovations ahead, including thermoelectrics. It forecasts the market over the coming ten years. Every aspect of the new range extenders is covered.

Related Content

  • March 17, 2016
    ‘Free’ power for signs, shelters and so much more
    David Crawford looks at the sunny side of the street. Solar power has been relatively slow in entering the transport sector, but a current blossoming of activity bodes well for the large-scale harnessing of an alternative energy that is zero-emission at source and, in practical terms, infinitely renewable. Traffic management and traveller information systems, and actual vehicles, are all emerging as areas for deployment. Meanwhile roads themselves are being viewed as new-style, fossil fuel-free ‘power stati
  • October 8, 2014
    EVs on a roll
    A recently updated report by IDTechEx, Electric Vehicle Forecasts, Trends and Opportunities 2015-2025, indicates that the global market forecast for all hybrid and pure electric vehicles is expected to exceed US$533 billion in 2025. Sales of the BMW i3 and Tesla Model S pure electric cars are rising rapidly, with Tesla holding back demand because it cannot produce enough for at least a year. Those are premium priced vehicles. The major problem with mainstream pure electric cars is price. However, App
  • May 25, 2012
    Grant to fund commercialisation of PbC batteries for micro-hybrid vehicles
    Axion Power International, the developer of advanced lead-¬carbon PbC batteries and energy storage systems, has been awarded a US$150,000 grant from the US Department of Energy (DoE) to fund a commercialisation plan for the use of its PbC batteries in a low-cost, high-efficiency dual battery architecture for micro-hybrid vehicles.
  • April 27, 2017
    IDTechEX: electric buses will be a US$165 billion market in 2027
    Industrial and commercial electric vehicles will be a similar market to cars but innovating faster and frequently more profitable for all in the value chain. The most important sector is buses, where innovation often comes before cars because they are less price sensitive. A report by IDTechEx Research, Electric Buses 2017-2027, finds that the market for medium and large hybrid and pure electric buses will be over $165 billion in 2027. In this report IDTechEx show how the Chinese are now dominating the leag