Abstract: This application provides embodiments including a connection member and a rechargeable battery. The connection member includes a guide plate and a first connecting plate integrally formed on the guide plate, where the first connecting plate is disposed in a bendable manner relative to the guide plate, and at least one indentation is present between the first connecting plate and the guide plate. In the embodiments, a bending position is more accurate when the first connecting plate is bent relative to the guide plate. This is conducive to an accurate size of the connection member being bent, and is also helpful for the rechargeable battery to successfully assemble a battery core, the connection member, and a housing.

Abstract: The present disclosure provides a rechargeable battery, including an electrode assembly and a connecting member. The electrode assembly includes an electrode assembly body and an electrode tab extending from the electrode assembly body. The connecting member includes a guiding plate, a first connecting plate and a second connecting plate respectively connected to the guiding plate. The guiding plate extends along a width direction. The first connecting plate extends away from the guiding plate along the width direction. The electrode tab is bent with respect to a longitudinal direction and is connected to the first connecting plate. At least a part of the guiding plate protrudes toward the electrode assembly body with respect to the first connecting plate so as to form a protrusion, which abuts against the electrode assembly. The rechargeable battery of the present disclosure can improve the energy density.

Abstract: The present disclosure provides a battery cap assembly, a secondary battery and a battery module. The battery cap assembly comprises: a cap plate, including a second terminal hole; a first electrode terminal, at least a part of which protruding above the cap plate; a second electrode terminal, including a second protruding portion protruding above the cap plate and a second base portion connected with the second protruding portion. The first electrode terminal is provided with a protrusion used for welding with a first connecting piece; the second protruding portion is used for welding with a second connecting piece to form a welding portion, and a projection of the welding portion in an up-down direction is positioned in a cross-section of the second base portion. The secondary battery comprises a case, an electrode assembly and the battery cap assembly. The battery module comprises the first connecting piece and the secondary batteries.

Abstract: The disclosure provides a secondary battery and a battery module. The secondary battery comprises: a case having an accommodation space and a first opening in communication with the accommodation space; an electrode component disposed in the accommodation space; a cover plate being installed at the first opening; wherein a connection slot is formed at a joint between the cover plate and the case, and the connection slot extends in a direction away from the accommodation space and throughout a top surface of the cover plate; and a first connection member being disposed in the connection slot, wherein the cover plate and the case are hermetically connected via the first connection member.

Abstract: The present disclosure provides a battery cap assembly, a secondary battery and a battery module. The battery cap assembly comprises a cap plate, a first electrode terminal and a first sealing member. The cap plate includes a first terminal hole. The first electrode terminal includes a first protruding portion and a first base portion, a cross-sectional area of the first protruding portion is larger than a cross-sectional area of the first terminal hole. The first sealing member includes a first main portion, the first main portion includes a first through-hole. The first protruding portion is used for welding with a first connecting piece to form a welding portion, a projection of the welding portion is positioned in the first through-hole. The secondary battery comprises a case, the battery cap assembly and an electrode assembly. The battery module comprises the first connecting piece and the secondary batteries.

Abstract: A top cap structure for a power battery is provided. The power battery top cap structure includes a first and second electrode assemblies, and a top cap piece. The first electrode assembly includes a first electrode column having an upper and lower sections, a first seal member and a first connection block. The upper section and the first connection block are formed from a first base metal. The lower section is formed from a second base metal different from the first base metal. The upper section includes a step portion, and the lower section is joined with a bottom surface of the upper section below the top cap piece. The first seal member includes a horizontal extending portion. The horizontal extending portion is disposed between a lower surface of the top cap piece and the step portion. The top portion of the upper section connects with the first connection block.

Abstract: The present disclosure relates to a cap assembly and a power battery. The cap assembly comprises a cap plate including a top surface, a bottom surface opposed to the top surface in a thickness direction and a liquid injection hole penetrating through the cap plate from the top surface to the bottom surface, the liquid injection hole having an inlet provided on the top surface and an outlet provided on the bottom surface; and a blocking member provided on the bottom surface, a projection of the blocking member in the thickness direction at least partially covers the outlet, wherein a fluid channel is formed between the blocking member and the cap plate, and the fluid channel communicates with the outlet of the liquid injection hole. The cap assembly can be applied to the power battery.

Abstract: A battery unit and a battery module, where the battery unit includes an electrode assembly, including a first electrode and a second electrode, which have opposite polarities, each of the first electrode and the second electrode includes a coated portion and an uncoated portion, and the uncoated portion is located at an end part of a coated portion along the length direction of the electrode assembly and forms a tab; two terminals, arranged at the top of the electrode assembly; and two current collectors for electrically connecting the tabs on both sides of the electrode assembly with the terminals on the same side respectively. At least one end of at least one current collector along the width direction of the electrode assembly is a flat plate structure, and the tab covers the flat plate structure from the outer side after being bent.

Abstract: A top cap structure for a power battery includes a first electrode assembly and a top cap piece. The first electrode assembly includes a first electrode column and a first connection block. The first connection block includes a main body and a compound portion that are bonded together. A base metal material of the main body is different from the base metal materials of the first electrode column and the compound portion. The compound portion includes a first connection hole and the main body includes a second connection hole. A top portion of the first electrode column includes a connection section. The connection section passes through the top cap piece, the second connection hole, and the first connection hole, and extends from the first connection hole. The connection section and the compound portion are welded together. The connection section is riveted to the second connection hole.

Abstract: The present disclosure relates to a secondary battery and a manufacturing method of the secondary battery, and the secondary battery includes a case; an electrode assembly, accommodated in the case and including a main body and a tab connected to the main body; a cap plate, coupled to the case; an electrode terminal, located on an outer side of the cap plate and provided with a through hole; and a current collecting member, including an extending portion and a connecting portion connected to the extending portion, wherein the connecting portion is located on an inner side of the cap plate and is directly connected to the tab, and the extending portion is adapted to extend toward the electrode terminal and protrude into the through hole, and is connected to the electrode terminal. The configuration of the secondary battery of the present disclosure is conducive to improving an energy density.

Abstract: The disclosure relates to a cap assembly and a secondary battery. The cap assembly comprises: a cap plate having an electrode lead-out hole; an electrode terminal including a terminal plate which is located at a side of the cap plate and covers the electrode lead-out hole, and an outer peripheral surface of the terminal panel protrudes from an inner wall of the electrode lead-out hole; a first fixing member at least partly surrounding the terminal plate to fix the electrode terminal to the first fixing member; and a second fixing member connected with the cap plate and including a main portion, the second fixing member being separated from the electrode terminal by the first fixing member. One of the first fixing member and the main portion is provided with an engaging hole and the other is provided with an inserting portion to be inserted into the engaging hole.

Abstract: A power battery and a power battery top cap structure for a power battery are provided. The power battery top cap structure includes first and second electrode assemblies, a lower insulation member, a top cap piece, and an abutment member. Both the first and second electrode assemblies are fixed on the top cap piece. The lower insulation member is fixed below the top cap piece. The lower insulation member includes, along an X axis, a snapping portion and a connecting portion. The abutment member extends along a Y axis and abuts between the connecting portion and the top cap piece so that a minimum distance between the connecting portion and the top cap piece along the Z axis is G3, where G3>0. G3 may be greater than a minimum distance between the connecting portion and the top cap piece when the lower insulation member is fixed without the abutment member.

Abstract: The present disclosure provides a secondary battery which comprises a cap plate, an electrode assembly, a first connecting piece and a first welding protecting piece. The cap plate is provided with a first electrode terminal. The electrode assembly comprises a main body and a first electrode tab provided to the main body, the first electrode tab comprises a first connecting portion. The first connecting piece is connected between the first connecting portion and the first electrode terminal. The first welding protecting piece is provided on the first connecting portion, the first connecting portion is positioned between the first welding protecting piece and the first connecting piece, and the first welding protecting piece, the first connecting portion and the first connecting piece are securely connected.

Abstract: The present disclosure provides a secondary battery which comprises: a cap plate provided with a first electrode terminal and a second electrode terminal; an electrode assembly comprising a main body, a first electrode tab provided to the main body and a second electrode tab provided to the main body; a first connecting piece connected between the first electrode tab and the first electrode terminal. The second electrode tab is connected with the second electrode terminal. The first electrode tab includes a first connecting portion welded with the first connecting piece and a first bending portion bent downwardly and connected between the main body of the electrode assembly and the first connecting portion. A first insulating adhesive is adhered on weld zones which are formed during welding of the first connecting portion and the first connecting piece and face the main body of the electrode assembly.

Abstract: The disclosure relates to a cap assembly and a secondary battery. The cap assembly comprises: a cap plate having an electrode lead-out hole; an electrode terminal including a terminal plate which is located at a side of the cap plate and covers the electrode lead-out hole, and an outer peripheral surface of the terminal panel protrudes from an inner wall of the electrode lead-out hole; a first fixing member at least partly surrounding the terminal plate to fix the electrode terminal to the first fixing member; and a second fixing member connected with the cap plate and including a main portion, the second fixing member being separated from the electrode terminal by the first fixing member. One of the first fixing member and the main portion is provided with an engaging hole and the other is provided with an inserting portion to be inserted into the engaging hole.

Abstract: The disclosure provides a secondary battery and a battery module. The secondary battery comprises: a case having an accommodation space and a first opening in communication with the accommodation space; an electrode component disposed in the accommodation space; a cover plate being installed at the first opening; wherein a connection slot is formed at a joint between the cover plate and the case, and the connection slot extends in a direction away from the accommodation space and throughout a top surface of the cover plate; and a first connection member being disposed in the connection slot, wherein the cover plate and the case are hermetically connected via the first connection member.

Abstract: Certain embodiments of the invention provide a method of promoting T lymphocyte proliferation, comprising contacting in vitro, ex vivo or in vivo a population of cells comprising T lymphocytes with an effective amount of N1-hexyl-N5-benzyl biguanide (HBB), or a pharmaceutically acceptable salt thereof, wherein contact with HBB, or a pharmaceutically acceptable salt thereof, causes proliferation of the T lymphocytes.

Abstract: The present disclosure provides a cap assembly and a secondary battery. The cap assembly comprises a cap plate, a reinforcement structure and a vent piece. The cap plate is provided with a through-hole; the vent piece is fixed with the cap plate and covers the through-hole from above. The reinforcement structure is provided in the through-hole and fixed with an inner wall of the through-hole, and the reinforcement structure partially blocks the through-hole. The secondary battery comprises: a case having an opening in a top thereof, an electrode assembly received in the case, and the cap assembly according to the first aspect of the present disclosure fixed with the case in the top. When the secondary battery works normally, a certain amount of gas will be generated inside the secondary battery, thereby leading to a pressure inside the secondary battery increasing.

Abstract: The present disclosure provides a cap plate and a secondary battery. The cap plate includes a main portion and a first protruding portion. The main portion includes a first exterior surface, a second exterior surface and a third exterior surface, the third exterior surface is a curved surface. The first protruding portion includes a fourth exterior surface extending downwardly from a bottom end of the third exterior surface, the fourth exterior surface is inclined inwardly relative to the third exterior surface. The secondary battery comprises the cap plate and a case. The case includes an opening; the cap plate is provided to the opening, the main portion is fixed to an inner wall of the case. The first protruding portion is received in the case, and a gap is provided between the fourth exterior surface and the inner wall, a dimension of the gap increases gradually along a downward direction.

Abstract: The present disclosure relates to a cap assembly and a power battery. The cap assembly comprises a cap plate including a top surface, a bottom surface opposed to the top surface in a thickness direction and a liquid injection hole penetrating through the cap plate from the top surface to the bottom surface, the liquid injection hole having an inlet provided on the top surface and an outlet provided on the bottom surface; and a blocking member provided on the bottom surface, a projection of the blocking member in the thickness direction at least partially covers the outlet, wherein a fluid channel is formed between the blocking member and the cap plate, and the fluid channel communicates with the outlet of the liquid injection hole. The cap assembly can be applied to the power battery.