Sustainable and printable nanocellulose-based ionogels as gel polymer electrolytes for supercapacitors - González-Gil, Rosa Maria (Institut Català de Nanociència i Nanotecnologia) ; Borràs, Mateu (Arkyne Technologies SL (Bioo)) ; Chbani, Aiman (Leitat Technological Center (Terrassa)) ; Abitbol, Tiffany (RISE Research Institutes of Sweden) ; Fall, Andreas (RISE Research Institutes of Sweden) ; Aulin, Christian (Holmen Iggesund) ; Aucher, Christophe (Leitat Technological Center (Terrassa)) ; Martínez-Crespiera, Sandra (Leitat Technological Center (Terrassa))