by Dr Peter Harrop, Chairman, IDTechEx
Stellar growth over the coming decade is forecasted by analysts IDTechEx for the electric vehicle business resulting in nearly one trillion dollars sales at ex-factory prices in 2026. About half of that will probably be the 48V mild hybrids first launching in 2017 when they will not be electric vehicles i.e. propelled by electric motors some or all of the time. By 2026, however, they will be electric vehicles. Indeed, they will have up to four pure electric modes. If pure electric cars have a lift-off mimicking that of smart phones then the trillion dollars will be achieved with fewer hybrids. However, even if that consumer demand suddenly appears, there may be insufficient gigafactories to produce all those large batteries. Looking closer, IDTechEx sees the current surge in strong hybrids continuing for several years, mostly focussed on plug in versions with quite long range thanks to substantial lithium-ion batteries being fitted. However, that market will not endure. As pure electric vehicles replace them just as they are today in the bus market due to strongly biased government support in China sensibly addressing local pollution.
In 2017, any pure electric car with less than 200 miles range, a doubling over 2016, will look jaded. However, that doubling is coming from larger batteries being fitted within an affordable price and various other improvements such as more efficient powertrains and aerodynamics. Looking specifically at the battery, progress is more sedate. The most common projection of lithium-ion traction battery cost by others has been a halving in ten years which can also be taken as a doubling in range, this figure constraining sales of pure electric cars just as much as price.
However, in late 2014, Elon Musk of Tesla said that he will be disappointed if $100/kWh could not be achieved within ten years with the economy of scale of his planned gigafactory. At the time, costs were around $450/kWh. The statement is deeply significant because it would make family cars cheaper up front than conventional versions probably causing a lift-off in sales. IDTechEx does predict a tipping point for mainstream electric car sales in about seven years because we see range tripled as a result of many advances but we do not yet support such a huge drop in cost per kWh.
For more see the new IDTechEx Research report, "Lithium-ion Batteries 2016-2026" and the IDTechEx drill downs on thin and flexible batteries, post-lithium batteries, electric vehicles land, water and air and so on. One thing is certain. In electric vehicles and in lithium-ion batteries, everything is changing. Both are being totally reinvented in technology, competitive landscape, applications and more. This is a violent gold rush creating spectacular winners and losers.
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