Table 3.

Comparative analysis of the advantages and disadvantages associated with various types of energy collectors.

Type	Strengths	Weaknesses
Piezoelectric nanogenerator	Simple structure	Low output power
	Easy miniaturization	Poor low-frequency characteristics
	Easy array	Poor durability
Electromagnetic generator	High conversion efficiency	Large volume
	Not affected by the environment	Bulky Poor low-frequency characteristics
Triboelectric nanogenerator	Simple structure, wide selection of materials	Poor durability
	High conversion efficiency	Vulnerable to environmental impact
	Wide operating frequency band	Impedance matching difficulty
Dielectric elastomer generator	Light weight	Need external power supply
	Simple structure	Easy to breakdown
	High energy density
Hydrovoltaic generator	Simple structure	Low output power
	Light weight	Susceptible to environmental influences
	Easy to array
Hybrid nanogenerator	Highly integrated	Multi-channel energy management is difficult
	Synthesize the advantages of various forms
	High output power