The present application discloses a tray and a method for using same, and a battery production apparatus. The tray may be configured to carry a battery cell. The tray may include a tray body and a plurality of pressing bodies. The plurality of pressing bodies may be arranged at intervals in a first direction. The pressing bodies may be arranged on the tray body, the battery cell may be placed between two adjacent pressing bodies, each of the pressing bodies may be provided with a flexible pressing portion, and the flexible pressing portion may be configured to be in contact with the battery cell so as to press the battery cell.

A energy storage device for cycling between a charged state and a discharged state, the energy storage device including an enclosure, an electrode assembly and a non-aqueous liquid electrolyte within the enclosure, and a constraint that maintains a pressure on the electrode assembly as the energy storage device is cycled between the charged and the discharged states.

A battery spacer, an electric core protection assembly having the battery spacer and a power battery are provided. The battery spacer includes: a spacer body; a plurality of protrusions, each protrusion protruding from an inner surface of the spacer body, extending in a longitudinal direction of the spacer body, and formed by recessing a portion of an outer surface of the spacer body; a plurality of grooves formed in the outer surface of the spacer body, each groove corresponding to one of the plurality of protrusions respectively and formed by recessing the portion of the outer surface of the spacer body; and a plurality of liquid guiding slots formed in the outer surface of the spacer body and extending from the grooves to an edge of the spacer body respectively.

Provided are an energy storage apparatus and an electric device. The energy storage apparatus includes a support, a pole, a stimulus-response member, a connector, and a first insulation member. The support has a first side and a second side. The support has a mounting hole and a vent hole. The connector is located at the first side and includes first and second connection portions connected to each other. The first and second connection portions face towards each other after being folded. The first connection portion is connected to the pole, and the second connection portion is configured to be connected to a tab. The first insulation member is attached to the first connection portion and extends towards the vent hole. The vent hole is partially covered with the first insulation member in a thickness direction of the support, and at least partially uncovered with the first insulation member.

Provided are an energy storage apparatus and an electric device. The energy storage apparatus includes a support, a pole, a stimulus-response member, a connector, and a first insulation member. The support has a first side and a second side. The support has a mounting hole and a vent hole. The connector is located at the first side and includes first and second connection portions connected to each other. The first and second connection portions face towards each other after being folded. The first connection portion is connected to the pole, and the second connection portion is configured to be connected to a tab. The first insulation member is attached to the first connection portion and extends towards the vent hole. The vent hole is partially covered with the first insulation member in a thickness direction of the support, and at least partially uncovered with the first insulation member.

A solid-state secondary battery according to the present invention includes an electrode laminate, and an exterior body accommodating the electrode laminate. The electrode laminate has a positive electrode layer, a negative electrode layer, and a solid electrolyte layer placed between the positive electrode layer and the negative electrode layer. The positive electrode layer includes a positive electrode current collector and a positive electrode active material layer. The solid electrolyte layer has a positive electrode-facing region that faces the positive electrode active material layer, and a positive electrode-non-facing region that does not face the positive electrode layer. The positive electrode-non-facing region has a porosity of lower than 5%.

A solid-state secondary battery according to the present invention includes an electrode laminate, and an exterior body accommodating the electrode laminate. The electrode laminate has a positive electrode layer, a negative electrode layer, and a solid electrolyte layer placed between the positive electrode layer and the negative electrode layer. The positive electrode layer includes a positive electrode current collector and a positive electrode active material layer. The solid electrolyte layer has a positive electrode-facing region that faces the positive electrode active material layer, and a positive electrode-non-facing region that does not face the positive electrode layer. The positive electrode-non-facing region has a porosity of lower than 5%.

A energy storage device for cycling between a charged state and a discharged state, the energy storage device including an enclosure, an electrode assembly and a non-aqueous liquid electrolyte within the enclosure, and a constraint that maintains a pressure on the electrode assembly as the energy storage device is cycled between the charged and the discharged states.

A secondary battery includes: a first electrode provided with a first collector and a first electrode active material applied on at least one surface of the first collector; and a second electrode provided with a second collector and a second electrode active material applied on at least one surface of the second collector, wherein an uneven coating portion at which the first electrode active material irregularly increases in amount and is applied is provided on at least one of a coating start portion or a coating end portion of the first electrode active material, and an inactive coating portion configured to cover the uneven coating portion is provided on at least one of a coating start portion or a coating end portion of the second electrode active material. A method of manufacturing the secondary battery is also provided.

A rechargeable battery includes: an electrode assembly; a case accommodating the electrode assembly and an electrolyte; a cap plate coupled to the case and sealing the inside of the case; and an insulator positioned between the electrode assembly and the cap plate, and the insulator is formed by a foaming body including a plurality of holes.