The present disclosure relates a battery, including an electrode assembly, a first tab, a second tab, a cap plate assembly, a first electrode terminal, a second electrode terminal and a shaping plate. The electrode assembly includes a first electrode plate, a second electrode plate and a separator arranged between the first electrode plate and the second electrode plate; each of the first electrode terminal and the second electrode terminal is arranged on the cap plate assembly; the first electrode terminal is connected to the first electrode plate through the first tab; the second electrode terminal is connected to the second electrode plate through the second tab; the shaping plate is arranged between the cap plate assembly and the electrode assembly, and each of the first tab and the second tab is bent around the shaping plate; the shaping plate is fixed and thermally fused to the cap plate assembly.

The present disclosure relates a battery, including an electrode assembly, a first tab, a second tab, a cap plate assembly, a first electrode terminal, a second electrode terminal and a shaping plate. The electrode assembly includes a first electrode plate, a second electrode plate and a separator arranged between the first electrode plate and the second electrode plate; each of the first electrode terminal and the second electrode terminal is arranged on the cap plate assembly; the first electrode terminal is connected to the first electrode plate through the first tab; the second electrode terminal is connected to the second electrode plate through the second tab; the shaping plate is arranged between the cap plate assembly and the electrode assembly, and each of the first tab and the second tab is bent around the shaping plate; the shaping plate is fixed and thermally fused to the cap plate assembly.

A cylindrical secondary battery includes: an electrode assembly including a positive electrode plate having a positive electrode multi-tab, a separator, and a negative electrode plate having a negative electrode multi-tab, the positive electrode plate, the separator, and the negative electrode plate being laminated and wound; a cylindrical can accommodating the electrode assembly; a cap plate coupled at an upper end of the cylindrical can and being electrically connected to the negative electrode multi-tab; and a positive electrode terminal protruding upwardly through the cap plate and being electrically connected to the positive electrode multi-tab.

The embodiments of the application provides an end cover assembly, a battery cell, a battery module and a device, the end cover assembly is used for the battery cell, the end cover assembly includes an end cover; an electrode terminal disposed on the end cover; an insulating member for insulating the electrode terminal and the end cover and disposed to surround the electrode terminal; wherein the insulating member abuts the electrode terminal, at least one of the insulating member and the electrode terminal is provided with a stress relief groove, the stress relief groove is configured to absorb stress generated by the electrode terminal's abutting the insulating member.

The embodiments of the application provides an end cover assembly, a battery cell, a battery module and a device, the end cover assembly is used for the battery cell, the end cover assembly includes an end cover; an electrode terminal disposed on the end cover; an insulating member for insulating the electrode terminal and the end cover and disposed to surround the electrode terminal; wherein the insulating member abuts the electrode terminal, at least one of the insulating member and the electrode terminal is provided with a stress relief groove, the stress relief groove is configured to absorb stress generated by the electrode terminal's abutting the insulating member.

Provided is a battery having both high impact resistance and high heat resistance.

Provided is a battery including: a battery element in which a positive electrode and a negative electrode are laminated with a separator interposed therebetween; a fixing member disposed on an end face where a laminated surface of the battery element is exposed; and a tab led out from one end face of the battery element, wherein the separator protrudes from the end face of the battery element, the separator is mutually fused with at least a protruding portion of one of the one end face or another end face opposite to the one end face; and the separator positioned around the tab on the one end face is not mutually fused with the one end face.

Provided is a battery having both high impact resistance and high heat resistance.

Provided is a battery including: a battery element in which a positive electrode and a negative electrode are laminated with a separator interposed therebetween; a fixing member disposed on an end face where a laminated surface of the battery element is exposed; and a tab led out from one end face of the battery element, wherein the separator protrudes from the end face of the battery element, the separator is mutually fused with at least a protruding portion of one of the one end face or another end face opposite to the one end face; and the separator positioned around the tab on the one end face is not mutually fused with the one end face.

Systems, methods, and apparatus for a structurally cross-tied energy cell are disclosed. In one or more embodiments, a battery comprises a plurality of battery cells, each comprising an anode layer and a cathode layer. The battery further comprises a plurality of anode cross ties electrically connected to at least some of the anode layers of the battery. Further, the battery comprises a plurality of cathode cross ties electrically connected to at least some of the cathode layers of the battery. In one or more embodiments, the anode cross ties and the cathode cross ties run through all of the battery cells of the battery. In at least one embodiment, the anode cross ties and the cathode cross ties are manufactured from an electrical conductor material. In some embodiments, the anode cross ties and the cathode cross ties each comprise conductive protrusions, which are located external to the battery.

A cell module has a plurality of electrochemical pouch cells. Each pouch cell has at least a first and second electrode, a separator arranged between the electrodes, and a flexible outer sleeve. Each pouch cell has a circular outer rim and a circular through-hole arranged in the center of the pouch cell. An outer cell terminal is arranged on the outer rim of each pouch cell, and an inner cell terminal is arranged on an inner rim of the through-hole. The cell module has an inner current collector in the form of a cylindrical rod and an outer current collector in the form of a cylinder jacket. The inner current collector extends along a mid-axis of the cell module, and the outer current collector is arranged concentrically with respect to the inner current collector.

A cell module has a plurality of electrochemical pouch cells. Each pouch cell has at least a first and second electrode, a separator arranged between the electrodes, and a flexible outer sleeve. Each pouch cell has a circular outer rim and a circular through-hole arranged in the center of the pouch cell. An outer cell terminal is arranged on the outer rim of each pouch cell, and an inner cell terminal is arranged on an inner rim of the through-hole. The cell module has an inner current collector in the form of a cylindrical rod and an outer current collector in the form of a cylinder jacket. The inner current collector extends along a mid-axis of the cell module, and the outer current collector is arranged concentrically with respect to the inner current collector.