Comparative life-cycle studies of lead zirconate titanate (PZN) piezoelectric and its ‘green’ replacement potassium sodium niobate (KNN) suggest KNN is worse for the environment, according to the University of Sheffield. Professors Ian Reaney and Lenny Koh undertook the comparative analysis as part of an EPSRC project. The issue is not post-use land-filling, but pre-installation, as mining the …
Read full article: ‘Green’ piezo replacement could be worse for the environment