Shell has unveiled a concept for compact electric vehicles that redefines efficiency, charging speed, and environmental impact. The initiative, named the Triple10 Challenge, targets three objectives: a 10-minute recharge using a standard 175kW rapid charger, 10km per kWh efficiency, and lifecycle CO2 emissions of 10 tonnes. The firm claims the design illustrates how new technologies can make electric vehicles more practical for daily use.
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The core of the Triple10 is a battery system co-developed with RML, an engineering firm based in Northamptonshire. Unlike conventional EV batteries that rely on coolant pipes to manage heat, this system submerges cylindrical cells in a dielectric fluid. The fluid directly cools the cells, maintaining consistent operating temperatures. Shell asserts this method removes thermal barriers that currently hinder fast charging in most EVs.
Toby Rockstroh, Shell’s energy application testing manager, noted that current EVs often reach over 300kW but cannot sustain those rates for long. “Battery cells heat up to 60°C, forcing the system to reduce current,” he explained. “Our fluid cooling prevents this, enabling the battery to sustain 175kW charging for the full 10-minute refill.” This enables sustained high charge rates and improved energy efficiency.
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The cooling system’s design reduces weight and complexity. Instead of a dedicated battery radiator, the fluid circulates through the motor and power electronics before exiting via a standard radiator. “No special pumps or heat exchangers are needed,” Rockstroh said. The system also minimizes risks of thermal runaway, a dangerous overheating reaction in damaged cells, and simplifies battery recycling by avoiding glued components.
Lars Nieslen, Shell Lubricants’ global business development manager, stated the Triple10 is designed for urban drivers without home charging access. “Surveys show 10 minutes is a preferred charging window,” he told the outlet.
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Shell’s involvement in EV innovation has faced questions, given its history in oil and gas. Nieslen emphasized the project aligns with long-term goals in lubricants and charging infrastructure. “We’re not greenwashing,” he said. “Our focus is on technology that supports the industry’s shift to electric vehicles.” The company aims to enhance customer experiences at its Recharge sites, which use renewable energy in the UK.