Brill Power raises $10.5m for battery management systems

Business news |
By Nick Flaherty

Oxford University spin-out Brill Power has raised $10.5m for its new class of battery management system.

Brill’s optimised Active Loading method increases battery life by up to 60% and allows used batteries to discharge up to 46% more energy through a proprietary combination of hardware and intelligent software.

The Active Loading method can be used in static battery systems and electric vehicles. It uses proprietary algorithms that determine the state of health and power capability of every parallel-connected cell block in the battery with novel control circuitry to regulate the electric current accordingly. Stronger cell blocks are exposed to higher currents and weaker ones to lower currents. This ensures that every joule of energy is extracted from each individual cell during every discharge cycle. As a result, no single cell becomes the limiting factor in the energy storage capacity, power capability or lifetime of the battery system.

The Series A round was led by Legal & General Capital and Barclays Sustainable Impact Capital Programme and supported by all of Brill’s existing investors including Oxford Science Enterprises, Oxford Investment Consultants and Oxford University. Shell Ventures and Climate KIC have also become shareholders.

The funding will be used to double the size of its team across both engineering and commercial operations, while expanding its product range for both static energy storage and electric vehicles based on successful projects completed with Aston Martin, AMTE Power and Delta Cosworth.

The funding will also be used for the next phase in the development of the BrillAnalytics data platform to help monitor and predict battery safety, health and performance data remotely.

“We have a ground-breaking commercial product in the marketplace and a pipeline of new developments and products to address the stationary energy storage and automotive markets,” said Dr Christoph Birkl, Brill Power’s CEO. “Our progress and our potential has attracted an impressive cadre of both existing and new investors. We are delighted to welcome Legal & General Capital and Barclays Sustainable Impact Capital on board while also enjoying the continued support of all our existing investors for the important journey ahead of us. We now have the means to act on the opportunity to offer the market a step-change in improvements for zero-emissions technologies – for the benefit of our investors, our customers and also the community we serve.”

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