Electronic cigarette and atomizing device thereof

An electronic cigarette, comprising a power supply device and an atomizing device which are mutually matched and connected;

• wherein,
• the atomizing device comprises a first housing, an air duct, an atomizing assembly, a heating assembly, a base, and a first electrode assembly;
• a first end of the first housing is provided with an air outlet, and a second end of the first housing is open;
• the atomizing assembly is disposed in the second end of the first housing, and the base is disposed on the second end of the first housing and matched and connected with the atomizing assembly;
• the air duct is disposed in the first housing and two ends of the air duct are respectively connected with the air outlet and the atomizing assembly;
• a space between the first housing and the air duct defines a liquid storage cavity;
• the heating assembly is disposed on the atomizing assembly, and an atomizing chamber is defined between the heating assembly and the base;
• the air inlet, the atomizing chamber, the air duct and the air outlet are communicated to define an airflow passage;
• the atomizing assembly is provided with a liquid inlet communicating the liquid storage cavity with the heating assembly;
• and
• the first electrode assembly is disposed on the base and is in contact conduction with the heating assembly.