Nanoplasmonic sensing of Pb-acid and Li-ion batteries
Paper i proceeding, 2016

The increasing sophistication and performance of batteries are connected with more complex chemical and physical battery processes and increase the need of more direct and informative measurements, both in the R&D phase and for monitoring and control during operation of vehicles. Todays potentiometric based measurement sensors are not sufficiently accurate for optimal battery sensing. To avoid the built in wide safety margins new, more informative monitoring signals are therefore desired or needed. In this study the optical technology NanoPlasmonic Sensing (NPS) has been used to in-situ monitor the charge and discharge processes of lead-acid and Li-ion batteries. The optical signals were found to correlate well with charging/discharging of both battery technologies.

Nanoplasmonic sensing

Lead acid

Electrical vehicles




Battery management system



Jenny Andersson

Björn Wickman

Kompetenscentrum katalys (KCK)

Chalmers, Fysik, Kemisk fysik

Fredrik Björefors

Adam Sobkowiak

Bengt Herbert Kasemo

Chalmers, Fysik, Kemisk fysik

Kompetenscentrum katalys (KCK)

Presented at the 2nd International Conference on Sensors and Electronic Instrumental Advances (SEIA), Barcelona, Spain, September 22 – 23, 2016