Applied in high-performance supercapacitor electrodes combining CNT conductivity with graphene's high surface area for exceptional energy storage, lithium-ion and sodium-ion battery anodes with synergistic fast-charging capability, conductive inks for flexible electronics with superior electrical and mechanical properties, EMI shielding coatings offering broadband electromagnetic interference protection, transparent conductive films for touchscreens with enhanced flexibility, composite materials for lightweight aerospace structures with multi-directional strength, thermal interface materials for efficient heat dissipation in electronics, water purification membranes with hierarchical pore structure, biosensors for real-time biomolecule detection, and conductive adhesives for electronic assembly. The hybrid CNT-graphene architecture provides complementary properties: CNTs bridging between graphene sheets enhance electrical pathways while preventing graphene restacking.