Project µNRJ (2006-2008)
"Vibration energy
harvesting using an electret-free electrostatic
silicon-based transducer"
Grant
: ANR JCJC 2005 n°54551
Objectives
Fabrication of a resonant
batch-processed,
silicon-based and
electret-free
MEMS Vibration Energy Harvester (VEH).
This work is now continuing through the
SESAM
project which adress a multi-source and multi-load system, in
collaboration with the
CEA-LETI
and the
TIMA-lab.
For
general informatoions on applications of energy harvesting, read the
short paper
in
Micronews (2008/10): "
MEMS energy
harvesting devices, great technology:For which markets?"
Results
We have fabricated a 11x6.5 mm² VEH in a silicon/glass
technology with in-plane
motion. Using a charge-pump like conditioning circuit, the device
converts, from the mechanical to the electrical domain,
60
nW on a
60 MOhms load at
250
Hz and for an external vibration
acceleration of
0.25 g.
If implemented in a triangular constant-charge scheme, the maximum
harvested power would be around
500 nW.
3D-schematic of the
VEH
Pictures of the
fabricated VEH
Related
publications
Journals
- “A silicon MEMS DC/DC
converter for
autonomous vibration-to-electrical energy scavenger”,
A.
Mahmood Paracha, P. Basset, D.
Galayko, F. Marty, and T. Bourouina, IEEE
Electronic Device Letters,, Vol. 30, no
5, pp.
481-483, 2009
PhD dissertation
Conferences
- "A
bidirectional vibration
powered electric energy generator based on an electrostatic
transduction using
an In-Plane Overlap Plate (IPOP) mechanism", A.
Mahmood Paracha, P.
Basset, D. Galayko, F. Marty, T. Bourouina, Proceeding of the 11th symposium on Design, Test,
Integration and
Packaging Conference
(DTIP’09),
Rome, Italy, 2009
- "Characterization of a DC/DC converter using an in-plane
bulk-silicon capacitive transducer for vibration-to-electricity power
conversion", A. Mahmood Paracha, P. Basset, D. Galayko, F. Marty, A.
Dutka and T. Bourouina, Proceeding of the 8th
International
Workshop on Micro and Nanotechnology for Power Generation and Energy
Conversion Applications (PowerMEMS’08),
Sendai, Japan, 2008
- "Optimization and AMS
modeling of capacitive vibration
harvester", D.
Galayko, R. Pizarro, P. Basset, A. Mahmood Paracha and G. Amendola, Proceeding
of the 7th International Workshop on Micro and
Nanotechnology for Power Generation and Energy Conversion Applications
(PowerMEMS’07),
pp. 109-112, Freiburg, Germany, 2007
- "A
high power density electrostatic vibration-to-electric energy converter
based
on an in-plane overlap plate (IPOP) mechanism", A.
Mahmood Parracha,
P. Basset, F. Marty, A. Vaisman Chasin, P. Poulichet and T. Bourouina, Proceeding
of the 9th
symposium on Design, Test, Integration and Packaging
Conference (DTIP’07),
Stresa, Italy, 2007
- "A bulk silicon-based electrostatic
vibration-to-electricity energy converter using In-Plane-Overlap-Plate
(IPOP) mechanism", A. M. Paracha, P. Basset, P. C. L. Lim, F. Marty and
T. Bourouina, Proceeding of the 6th International Workshop
on Micro and
Nanotechnology for Power Generation and Energy Conversion Applications
(PowerMEMS’06),
Berkeley, USA, 2006
- "Desin of a novel electrostatic MEMS-based
vibration-to-electric energy
converter based on parallel plates with in plane mechaism", P. Lim, P.
Basset, A. Mahmood, F. Marty, P. Poulichet and T. Bourouina, Proceeding
of the Asia Pacific Conference on Transducers and Micro-Nano Technology
(APCOT’06),
Singapour, 2006