Abstract: The disclosure belongs to the technical field of secondary batteries, and in particular, relates to a cell, including: a first separator, a positive electrode plate, a second separator and a negative electrode plate, wherein the first separator, the positive electrode plate, the second separator and the negative electrode plate are stacked in sequence to form a composite electrode plate, and the composite electrode plate is wound to obtain the cell; the cell includes a straight portion and corner portions arranged at two ends of the straight portion, and at least one surface of the positive electrode plate located at the corner portion is provided with a positive electrode buffer coating and/or at least one surface of the negative electrode plate located at the corner portion is provided with a negative electrode buffer coating.

Abstract: The present disclosure provides a feeding container device, including a bottle body having a bottle inner cavity, a first cover body at least partially disposed inside the bottle inner cavity and fixedly connected to the bottle body, a second cover body at least partially disposed inside the bottle inner cavity and having a cover inner cavity, a sealing ring disposed inside the bottle inner cavity and blocking the cover inner cavity, and a feeding device fixedly connected to the second cover body, the second cover body is mounted to the bottle body, the sealing ring is detachably connected to the second cover body and abuts the first cover body; when the second cover body moves away from the bottle body, the first cover body causes the sealing ring to separate from the second cover body, and the first sealed chamber communicates with the second sealed chamber.

Abstract: A sterile spray pump, including a main piston (30), a spray head (40), and a secondary piston (50) fixed inside the spray head (40) and mounted in a vertically movable manner on the main piston (30). A first compression space (10) and a second compression space (20) are formed between the secondary piston (50) and the main piston (30); a main liquid suction cavity (301) communicating with the inner cavity of a container and an air supply port (302) communicating with the main liquid suction cavity (301) are provided in the main piston (30); the air supply port (302) communicates with the second compression space (20), a filter element (601) is fixedly provided in the air supply port (302); the secondary piston (50) includes a secondary liquid suction cavity (501) communicating with the main liquid suction cavity (301), a first exhaust member (502), and a second exhaust member (503).

Abstract: The present disclosure provides a feeding container device, including a bottle body having a bottle inner cavity, a first cover body at least partially disposed inside the bottle inner cavity and fixedly connected to the bottle body, a second cover body at least partially disposed inside the bottle inner cavity and having a cover inner cavity, a sealing ring disposed inside the bottle inner cavity and blocking the cover inner cavity, and a feeding device fixedly connected to the second cover body, the second cover body is mounted to the bottle body, the sealing ring is detachably connected to the second cover body and abuts the first cover body; when the second cover body moves away from the bottle body, the first cover body causes the sealing ring to separate from the second cover body, and the first sealed chamber communicates with the second sealed chamber.

Abstract: The present disclosure provides a feeding container device, including a bottle body having a bottle inner cavity, a first cover body at least partially disposed inside the bottle inner cavity and fixedly connected to the bottle body, a second cover body at least partially disposed inside the bottle inner cavity and having a cover inner cavity, a sealing ring disposed inside the bottle inner cavity and blocking the cover inner cavity, and a feeding device fixedly connected to the second cover body, the second cover body is mounted to the bottle body, the sealing ring is detachably connected to the second cover body and abuts the first cover body; when the second cover body moves away from the bottle body, the first cover body causes the sealing ring to separate from the second cover body, and the first sealed chamber communicates with the second sealed chamber.

Abstract: A sterile spray pump, including a main piston (30), a spray head (40), and a secondary piston (50) fixed inside the spray head (40) and mounted in a vertically movable manner on the main piston (30). A first compression space (10) and a second compression space (20) are formed between the secondary piston (50) and the main piston (30); a main liquid suction cavity (301) communicating with the inner cavity of a container and an air supply port (302) communicating with the main liquid suction cavity (301) are provided in the main piston (30); the air supply port (302) communicates with the second compression space (20), a filter element (601) is fixedly provided in the air supply port (302); the secondary piston (50) includes a secondary liquid suction cavity (501) communicating with the main liquid suction cavity (301), a first exhaust member (502), and a second exhaust member (503).

Abstract: The present disclosure relates to a drip device, including a drip bottle having a bottle mouth facing downward, since the bottle mouth faces downward, a liquid in the drip bottle is charged into a first connecting tube, an infusion channel, and a piston chamber when a pressing head is not pushed upward, a plug blocks a drip port, and the liquid cannot flow out from the drip port. When the pressing head is pushed upward to move the pressing head upward relative to a connecting cover, a piston head inserts into a piston chamber to separate the infusion channel from the piston chamber, the pressing head continues to move upward, a volume of the piston chamber is compressed, the liquid in the piston chamber will flow back to the drip bottle through a liquid outlet, and a volume of the infusion channel is also compressed.

Abstract: The present disclosure provides a feeding container device, including a bottle body having a bottle inner cavity, a first cover body at least partially disposed inside the bottle inner cavity and fixedly connected to the bottle body, a second cover body at least partially disposed inside the bottle inner cavity and having a cover inner cavity, a sealing ring disposed inside the bottle inner cavity and blocking the cover inner cavity, and a feeding device fixedly connected to the second cover body, the second cover body is mounted to the bottle body, the sealing ring is detachably connected to the second cover body and abuts the first cover body; when the second cover body moves away from the bottle body, the first cover body causes the sealing ring to separate from the second cover body, and the first sealed chamber communicates with the second sealed chamber.

Abstract: The present disclosure relates to a drip device, including a drip bottle having a bottle mouth facing downward, since the bottle mouth faces downward, the liquid in the drip bottle is charged into the first connecting tube, the infusion channel, the piston chamber, and the infusion channel when the pressing head is not pushed upward, the plug blocks the drip port, and the liquid cannot flow out from the drip port. When the pressing head is pushed upward to move the pressing head upward relative to the connecting cover, the piston head inserts into the piston chamber to separate the infusion channel from the piston chamber, the pressing head continues to move upward, the volume of the piston chamber is compressed, the liquid in the piston chamber will flow back to the drip bottle through the liquid outlet, and the volume of the infusion channel is also compressed.

Abstract: A spray bottle cap comprising a base lid, a pressing head and a protective cap. An upper end of an inner wall of the base lid is provided with a first limit rib and a first guide groove penetrating the first limit rib. The pressing head connects to the upper end of the base lid, and comprises a outlet rob, a pressing handle and a connection portion, where the outlet rod is provided with an outer thread, the lower end of the connection portion is provided with a first limit flange and a protrusion portion, and the pressing handle is provided with an anti-reversion snap parent body; the first limit flange is arranged under the first limit rib, and the protrusion portion is up-down slidable along the first guide groove and is supportable on the upper end face of the base lid. The protection cap is a double-layer structure covering the outside of the outlet rod.

Abstract: A spray bottle cap comprising a base lid, a pressing head and a protective cap. An upper end of an inner wall of the base lid is provided with a first limit rib and a first guide groove penetrating the first limit rib. The pressing head connects to the upper end of the base lid, and comprises a outlet rob, a pressing handle and a connection portion, where the outlet rod is provided with an outer thread, the lower end of the connection portion is provided with a first limit flange and a protrusion portion, and the pressing handle is provided with an anti-reversion snap parent body; the first limit flange is arranged under the first limit rib, and the protrusion portion is up-down slidable along the first guide groove and is supportable on the upper end face of the base lid. The protection cap is a double-layer structure covering the outside of the outlet rod.

Abstract: A dispensing spray pump includes a first piston located inside a second piston. The first piston and the second piston are enclosingly connected, and a chamber with an enclosed bottom is formed between the pistons. The pump body includes first and second pump bodies that are barrel-shaped and arranged in identical axial directions. The first pump body is inside the second pump body, and the first and second pump bodies are fixedly connected via a radial grid. A fluid channel is between the outer wall of the first pump body and the inner wall of the second pump body, and the first and second pistons are slidable in the pump bodies in a sealed manner, respectively. A first chamber is formed between the check valve and the first piston, and the chamber with the enclosed bottom is in communication with the fluid channel to form a second chamber.

Abstract: A dispensing spray pump includes the first piston located inside the second piston, the first piston and the second piston are enclosing connected, a chamber with enclosing bottom is formed between first and second pistons; the pump body includes first and second pump bodies with barrel-shaped arranged in identical axial direction, the first pump body inside the second pump body, the first and second pump bodies are fixed connected via a radial grid. A fluid channel between outer wall of the first pump body and inner wall of the second pump body; the first and second pistons slide in the first and second pump bodies in a sealed manner, respectively. The first pump body with a check value and first piston in the first pump, the chamber with enclosing bottom in communication with the fluid channel to form a second chamber.