14 Sep 2009
The battery is the car
Plug in hybrid electric cars are now prioritised by most major car manufacturers. Pure electric on- road cars are prioritised by Nissan and a host of vibrant start up companies, they have one thing in common. The cleverest, most expensive part of their planned vehicles is increasingly the traction battery.
03 Sep 2009
Printed electronics: Still huge challenges - and opportunities
While materials for organic light emitting diodes (OLEDs) are getting better and better, and encouraging news about record-breaking parameters in efficacy and luminance were published quite recently, one of the major problems in flexible lighting and display devices is still unsolved: the lifetime of such devices is too short, and hence, customers are not ready to pay, no matter how impressive and elegant the systems may look.