Front Matter -- Lignin-Derived Materials for Supercapacitors / Jesus Muniz, Ana K Cuentas-Gallegos, Miguel Robles, Alfredo Guillen-Lopez, Diego R Lobato-Peralta, Jojhar E Pascoe-Sussoni -- Some Aspects of Preparations and Applications of Electrochemical Double-Layer Capacitors (Supercapacitors) / Aleksandr E Kolosov, Volodymyr Y Izotov, Elena P Kolosova, Volodymyr V Vanin, Anish Khan -- Metal Hydroxides for Supercapacitors / Viresh Kumar, Rigved Samant, Abu Faizal, Himanshu S Panda -- Polyaniline-Based Materials for Supercapacitors / Asim A Yaqoob, Mohamad N M Ibrahim, Akil Ahmad, Asma Khatoon, Siti H M Setapar -- Perovskites for Supercapacitors / Ehsan Rezaie, Abdollah Hajalilou, Yuanhai Su -- General Synthesis Methods of Inorganic Materials for Supercapacitors / Mehmet H Calimli, Tugba G Karahan, Anish Khan, Fatih Sen -- Conducting Polymer Carbon-Based Binary Hybrid for Supercapacitors / Rini Jain, Satyendra Mishra -- New Inorganic Nanomaterials for Supercapacitors / Mehmet H Calimli, Gokcem Dasdemir, Anish Khan, Fatih Sen -- Metal Oxides for Supercapacitors / Reza Ghaffari Adli, Yuanhai Su, Mir Ghasem Hosseini, Abdollah Hajalilou -- High-Surface Saccharum officinarum Based Materials for Supercapacitor Applications / Divya Velpula, Shilpa Chakra Chidurala, Rakesh Kumar Thida, Shireesha Konda -- Microwave-Assisted Graphene-Based Conducting Polymer Materials for Supercapacitors / Senthil K Kandasamy, Kavitha N Singaram, Hemalatha Krishnamoorthy, Chandrasekaran Arumugam, Shanmugam Palanisamy, Kannan Kandasamy, Anish Khan, Abdullah M. Asiri, Hurija D-Cancar.