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UPDATED 1 Sept: The EI library in London is temporarily closed to the public, as a precautionary measure in light of the ongoing COVID-19 situation. The Knowledge Service will still be answering email queries via email , or via live chats during working hours (09:15-17:00 GMT). Our e-library is always open for members here: eLibrary , for full-text access to over 200 e-books and millions of articles. Thank you for your patience.
S McDonald, Triple hybrid, Create, June 2018, p 12
In Australia, the University of Sydney has demonstrated a triple hybrid drone incorporating a hydrogen fuel cell, battery and supercapacitor, the latter improving the dynamic response and smoothing the load for increased battery life. In the absence of hydrogen refuelling facilities in Australia, the team used a metal hydride system, storing 8 g of hydrogen in a 11 kg system. Several tests flights have been completed successfully.
