This review specifically highlights the very recent progress in the synthesis and applications of black phosphorus in the energy process, including secondary battery system, supercapacitor device, and catalysis reaction. Black phosphorus (BP) is a unique two-dimensional material with excellent conductivity, and a widely tunable bandgap. In recent years, its application in the field of energy has attracted extensive attention, in terms of energy storage, due to its high theoretical specific capacity and excellent. Black Phosphorus (BP), also known as phosphorene when in a monolayer or few-layer form, is a 2D material that has garnered significant attention in recent years due to its unique properties and potential applications in various fields, including energy storage. In this section, we will provide an. Black phosphorus with a long history of ∼100 years has recently attracted extraordinary attention and has become a promising candidate for energy storage and conversion owing to its unique layered structure, impressive carrier mobility, remarkable in-plane anisotropic properties, and tunable.