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Used as conductive additives in lithium-ion and other battery electrodes to improve charge transfer, reduce internal resistance, and enhance rate capability/power density. In supercapacitors, their external surface accessibility supports fast ion adsorption/desorption, delivering high power performance. They can also serve as substrates for redox-active materials or help accommodate volume changes in advanced anodes.

Incorporated into paints and protective coatings to improve electrical conductivity (anti-static or electromagnetic properties), mechanical durability, barrier performance, and corrosion resistance. In marine and ship applications, enhanced coatings can contribute to longer service life, reduced fouling-related drag, and better protection in harsh environments through denser, more robust film structures and potential tribological benefits.

Added to polymer matrices (epoxies, thermoplastics, etc.) to boost mechanical strength (tensile, flexural), stiffness, toughness, and electrical/thermal conductivity at low loadings. This supports lighter, stronger components for airframes, drone structures, engines, and other weight-sensitive systems while enabling multifunctional properties such as EMI shielding or static dissipation.

Explored as nano-additives to refine microstructure, potentially increasing compressive strength, reducing permeability, and improving durability or efficiency (e.g., achieving equivalent performance with optimized cement content). Analogous carbon nanomaterials have demonstrated benefits in densifying cementitious matrices and bridging micro-cracks; CNOs offer similar opportunities through high surface area and dispersion characteristics.

Enhance efficiency of protective, anti-corrosion, conductive, or multifunctional coatings by improving barrier properties, wear resistance, thermal stability, and conductivity. Suitable for industrial equipment, infrastructure, automotive, and specialized surfaces requiring longer life or reduced material thickness.

Plant growth promotion and yield enhancement: Low doses of water-soluble CNOs improve overall growth of gram (chickpea, Cicer arietinum) plants compared to untreated controls. Benefits include better seedling development and plant vigor when applied during early stages.

In seed-to-seed life-cycle studies, treating gram plants with wsCNOs (derived from wood waste) during early growth led to first-generation seeds with higher individual weight/dimensions, increased protein content (e.g., rising from ~96 to 170 μg/mL), higher electrolytic conductivity, and elevated metallic micronutrients (Mn, Mo, Cu, Zn, Fe, Ni).

CNO Supply Partners supplies material tailored for these applications, with guidance on dispersion and formulation to maximize performance at commercial scale.

Reviews of carbon nanomaterials (including CNOs alongside graphene oxide, CNTs, nanodots, etc.) note their exploration for fertilizer applications, controlled/stimuli-triggered nutrient delivery, pesticide formulations, and soil amendments. CNOs contribute via high surface area and surface chemistry that can aid interactions with nutrients, water, or plant tissues.