After a general overview of the overworld financial support for chemistry devoted to materials science and more specifically to intercalation layered compounds (ILCs), the strategies to synthesize such host structure and subsequent guest-host hybrid assembly are exemplified on the basis of some families of materials including pillared clays (PILC), porous clay heterostructure (PCH), Zirconium phosphate (ZrP), layered double hydroxide (LDH), graphite intercalation compounds (GIC), graphene-based, MXenes… Additionally a non-exhaustive survey on their possible application in the field of energy through electrochemical storage mostly as electrode materials but also as electrolyte additives is presented including lithium technologies based on lithium ion batterie (LIB) and also «beyond LiBs» with a focus on the possible alternatives such XIB (X = Na (NIB), K (KIB), Al (AIB), Zn (ZIB), Cl (CIB), reversible Mg batteries (RMB), Dual-ion batteries (DIB), Zn-air, Zn-sulphur… and supercapacitors as well as their relevance in other fields regarding (opto)electronics. This selective panorama should help to better understand the reason why ILCs are expected to meet the challenge of tomorrow as electrode materials.