HydrogenOne Capital Growth pic has signed definitive agreements for an investment of £10m in Bramble Energy Limited as part of their Series B funding round. With this purchase of a minority equity stake, HydrogenOne has the right to a board seat at Bramble.Bramble has pioneered a printed circuit board fuel cell solution, PCBFC, which manufactures low cost, scalable and recyclable fuel cell modules, and can be made at any PCB factory world-wide. Hydrogen fuel cells are used to convert clean hydrogen into electricity and water, resulting in a power source that is free from greenhouse gas emissions. Fuel cells have widespread applications such as heavy duty and long distance transport and portable power and are a critical component in the clean hydrogen sector.Bramble intends to deploy its fuel cell technology by ramping up the global distribution of its portable power units in partnership with Linde Group’s BOC and further by developing fuel cell stacks for light commercial vehicles.HydrogenOne was launched in 2021 with an investment objective to deliver an attractive level of capital growth by investing in a diversified portfolio of hydrogen and complementary hydrogen focussed assets. INEOS Energy is a strategic investor in HydrogenOne.