Renault continues to improve its Full Hybrid Technology…

As faithful readers know, your servant is still quite keen on the full hybrid solution to enjoy the benefits of electrified mobility. It ideally combines the smoothness of E-power with economy and total hassle-free practicality, as you can cover any distance without worrying about recharging.

Renault made a very wise strategic decision to build also an important presence in this market segment, and is indeed developing its Full Hybrid Technology always further.

Did you know that Renault has sold over 750,000 vehicles equipped with this full hybrid E-Tech powertrain since its launch in 2021?

Renault developed its full hybrid E-Tech powertrain in 2021. Over 150 patents have been filed for this technology, which taps into Renault’s expertise in Formula 1, particularly in energy recovery and regeneration. Ii is found in many models, from Clio to Rafale. 

More power and full hybrid performance for Captur and Symbioz

In the same way as with the previous generation, the series-parallel hybrid architecture of this new powertrain combines two electric motors (a 36 kW e-motor and a 15 kW HSG – High-Voltage Starter Generator) with a 1.8l 4-cylinder petrol engine of 80 kW or 109 hp (69 kW and 94 hp for the previous engine) mated to a new intelligent multi-mode clutchless dog box and a 1.4 kWh battery. The dog box delivers fast precise gear changes with minimum power loss. It is also simpler from a mechanical standpoint, making it more reliable.

Driveability maintained

The indirect injection of the previous generation has been replaced by a new direct-injection system.

Torque is 25% higher (172 Nm for the combustion engine alone, i.e. +22 Nm) than for the previous version. This means that maximum torque is available at lower revs (around 2,000 rpm), for better performance and response, particularly during acceleration or when picking up speed on fast roads. Acceleration is therefore more dynamic. Captur now takes 8.9 seconds to accelerate from 0-100 km/h compared with 10.6 seconds previously, delivering a better response for a more agile driving experience.

The Symbioz also improves its 0 to 100 km/h acceleration time: 9.1 seconds compared with 10.6 seconds previously.

A new  battery with a higher capacity of 1.4 kWh

The new hybrid powertrain has a battery of 1.4 kWh battery (230V), compared with 1.2 kWh for the previous version. ower fuel consumption and CO2 emissions

Fuel consumption is optimised by a regenerative braking function, combined with the high self-charging capacity of the 1.4 kWh (230V) battery and the efficiency of the E-Tech system.

Under the bonnet of Captur and Symbioz, the new full hybrid E-Tech powertrain consumes just 4.3 litres/100 km, compared with 4.7 litres for the previous version. This optimised system delivers fuel savings of up to 40%, while also reducing CO2 emissions to as little as 98 g/km on Symbioz (99 g/km for Captur).

Smooth gear changes

The dog box transmission has been maintained: the dog clutch system replaces both a sprocket and a synchroniser ring in a clutchless layout with fewer friction parts for high levels of efficiency. The gearbox was then fine-tuned for faster, smoother gear changes. As a result, gear changing is quieter and more responsive, reducing vibration and engine noise for increased driver comfort.

Further, the introduction of a new electronic gear lever (e-shifter) provides greater precision and optimised ergonomics.

Needless to say that we are keen to lay our hand on a Renault with this improved full hybrid drivetrain… stay tuned!

Hans Knol ten Bensel

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