Battery Monitoring System Using Switching Battery Cells

Dr Ghislain Despesse, Researcher


CEA-LETI - presentation*
CEA-LETI - audio presentation*

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Presentation Summary

  • Solutions used today to manage batteries and to manage the power in an electrical vehicles
  • Limitations of actual systems in case of some battery cells failures and in terms of efficiency at low output voltage (low motor speed)
  • Switching architecture principle, key points and advantages
  • Measurements results and conclusions

Speaker Biography (Ghislain Despesse)

Dr. Ghislain Despesse is "agrégé" in electrical engineering since 2001 (french examen to be teacher), received the Electronic Engineering Diploma from Ecole Normale Supérieure de Cachan (ENS) in 2002 and his Ph.D. Degree in microelectronics from the National Polytechnic Institute of Grenoble (INPG) in 2005. He joined the CEA-LETI Laboratory in 2005 (MINATEC, Grenoble, France) to develops energy harvesters and Battery Monitoring Systems (BMS). He has published 29 papers and holds 32 patents in the field of energy.

Company Profile (CEA-LETI)

CEA-Leti is an applied research laboratory working on miniaturization techniques (microelectronics, sensors, microsystems, micro-energy sources) and their applications from space to smart devices, in fields such as biology, health, transport, environment, photonics and security.
LETI is located in Grenoble - France. LETI's staff is around 1800 engineers and researchers, including 250 PhD and post-doc researchers. Their R&D&I work is supported by 8 500 sq.m of state-of-the-art 200 mm and 300 mm clean rooms and more specific technological platforms (micro batteries, printed electronics, nanocharacterization).
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