Gas injection nozzle for drying electrode plate and drying apparatus for electrode plate including the same

A drying apparatus for an electrode plate, comprising:

• a chamber having a gas supply space through which drying gas for drying the electrode plate flows;
• and
• a plurality of gas injection nozzles coupled to the chamber to communicate with the gas supply space of the chamber,
• wherein the plurality of gas injection nozzles include:
• a nozzle body including a first plate, a second plate spaced apart from the first plate in a first direction, and a partition plate disposed between the first plate and the second plate, wherein the partition plate divides a flow space formed between the first plate and the second plate into a first flow space opposing the first plate and a second flow space opposing the second plate;
• at least one inlet hole formed in the first plate and configured to allow the drying gas to flow into the first flow space from the outside of the nozzle body;
• at least one communication hole formed in the partition plate and configured to allow the first flow space and the second flow space to communicate with each other;
• and
• a plurality of injection holes formed in the second plate and configured to inject drying gas from the second flow space to the outside.

A gas injection nozzle for a drying apparatus for an electrode plate of a secondary battery, the gas injection nozzle comprising:

• a nozzle body including a top plate, a bottom plate and side plates connecting the top and bottom plates to form a flow space;
• a partition plate disposed between the top and bottom plates, the partition plate dividing the flow space into a first and second flow spaces;
• at least one inlet hole formed in the top plate;
• a plurality of communication holes formed in the partition plate;
• and
• a plurality of injection holes formed in the bottom plate,
• wherein the at least one inlet hole, the communication holes, and the injection holes are configured so that drying gas enters the first flow space via the at least one inlet hole, gets dispersed in the first flow space before entering the second flow space via the communication holes and is injected from the second flow space to the outside via the injection holes.