1. Department of Fibre and Polymer Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Teknikringen 56, 114 28 Stockholm, Sweden
2. SAFT AB, Jungnergatan 25, 572 32 Oskarshamn, Sweden
3. Department of Material Science and Engineering, School of Industrial Engineering and Management, KTH Royal Institute of Technology, Brinellvägen 23, SE-100 24 Stockholm, Sweden