OXIS Energy’s pouch cell is designed for use in the aviation industry
OXIS Energy UK has already achieved 425 Wh per kg on a High Energy 16Ah pouch cell design for HAPS applications (High Altitude Pseudo Satellites) and expects to achieve 450 Wh per kg at cell level by the end of 2018. OXIS aims to reach 500 Wh per kg by the end of 2019 through its many collaborations and partnerships.
Chief technology officer Dr David Ainsworth commented: “At 425 Wh per kg, OXIS has one of the lightest pouch cells currently available and is already attracting significant interest from major players in the aerospace sector. The cell is about to go into prototype applications.”
OXIS has also developed a prototype battery module for the aviation sector, which has enabled OXIS’ customers to increase flight time three-fold. The battery module uses a high power, ultra-light lithium sulphur pouch cell at 300 Wh per kg. Future modules will tap into the increasing capabilities of lithium sulphur pouch cells, where high power cells are forecast to achieve 400 Wh per kg by 2019.
Dr Mark Crittenden, who is head of battery development and integration said: “The benefits of switching to electric aircraft are seen as reduced costs and reduced noise pollution. The most important part for that success is having very lightweight batteries, which store sufficient energy to provide the required aircraft flight time and range. We are delighted that lithium sulphur provides this solution and will enable the uptake of electric aviation.”
OXIS’s relationship with key materials suppliers remains crucial in the achievement of these technical milestones. OXIS has also been awarded the LiSFAB project, which is funded by Innovate UK through the Faraday Challenge Programme, which aims to improve the power and cycle life of the OXIS Li-S technology for heavy electrical vehicles.
According to CEO of OXIS Huw Hampson-Jones: “In the last 12 months, the pace of technological development has quickened substantially. This reflects our collaboration with some of the world’s foremost material companies, as well as clients in the aviation, defence and automotive sectors.
“OXIS has a special programme valued at US$10 million, dedicated to the development of high powered lithium sulphur cells for electric buses and trucks. In many ways, over the course of the next two to three years with commercial development, technological achievements as well as the mass production of lithium sulphur cells coming on stream, the case for investing in lithium-ion gigafactories is a ‘fool’s paradise’.”