News: Sustainable Lightweight Low Cost Battery Systems for Extended Life Cycles (EV-Lite)
We are pleased to announce the successful completion of Sustainable Lightweight Low Cost Battery Systems for Extended Life Cycles (EV-Lite); a two-year project co-funded by the UKs innovation agency, the Technology Strategy Board.
Wednesday, 20th August 2014
After two years of intensive collaboration, the EV-Lite project is drawing to a close. The consortium, formed of the Manufacturing Technology Centre, Unipart Manufacturing, Electrovaya, RDVS, CRR, Bluebird Innovation Group, Loughborough University and Cenex, has been immensely successful with the design of a new electric vehicle battery. The project targets have been surpassed with a 41% reduction in weight and a 63% reduction in cost of the non-cell components realised. This translates to a saving of 45kg at the battery pack level. The ultimate aim of this ambitious and exciting project is to enable volume manufacturing for electric vehicle battery packs in the UK through innovative design and, in doing so, help bring electrical vehicles to the mass market. Innovative design and manufacturing ideas have helped the consortium to achieve significant cost reductions and weight savings without sacrificing functionality. The new battery design has no wire or screws; this step change in design has translated into significant improvements in battery pack assembly. When compared to a benchmarked battery the EV-Lite design has a parts count of 196 vs 807 for a 4KwHr sized module. The key achievements of the project include:
- No wires or screws used in design
- Novel safety feature to isolate cells in an accident
- Design for low cost, automated assembly
- Novel battery interface system
- 5 patent applications
- Novel battery management board design
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