Abstract: An electrode thickness control method and a control system is provided. The control method includes: obtaining an initial thickness and a target thickness of a to-be-rolled electrode; controlling, according to the initial thickness and the target thickness, a target device to roll the to-be-rolled electrode; obtaining first thickness change data of the to-be-rolled electrode, second thickness change data of a rolled electrode formed through rolling, and current rolling speed data of the target device; and adjusting, according to the first thickness change data, the second thickness change data, or the current rolling speed data, a current rolling pressure or a current rolling temperature of the target device, to cause a thickness of the rolled electrode to reach the target thickness.

Abstract: This application provides a battery and a battery module. The battery module includes a plurality of batteries and a structural adhesive. Each battery includes a battery cell and an insulating layer. The insulating layer is arranged on a side of the battery cell. One or more openings are formed in the insulating layer. The insulating layer in the one or more openings is less in thickness than other parts of the insulating layer. The structural adhesive is arranged on a surface of the battery cell, and is located in at least one of the one or more openings, and the battery and a component adjacent to battery are connected by the structural adhesive.

Abstract: A marine busbar cabinet includes a low-voltage control system, a high-voltage busbar system, a cabinet body, and an insulating isolation structure. The high-voltage busbar system includes at least two battery clusters. The at least two battery clusters satisfy at least one of being connected in series or being connected in parallel. The low-voltage control system is electrically connected to the at least two battery clusters. The cabinet body has an accommodation cavity configured to accommodate the low-voltage control system and the high-voltage busbar system. The insulating isolation structure is disposed in the accommodation cavity. The insulating isolation structure is configured to divide the accommodation cavity into a low-voltage chamber and a high-voltage chamber that are insulated from each other. The low-voltage control system is disposed in the low-voltage chamber. The high-voltage busbar system is disposed in the high-voltage chamber.

Abstract: A combiner cabinet and an energy storage system are provided by the present disclosure. The combiner cabinet includes a cabinet body and an electrical component assembly mounted inside the cabinet body. The electrical component assembly includes a positive electrode part, a negative electrode part, and a control part. The positive electrode part is configured to be electrically connected to a positive output terminal of an external high-voltage box and a positive electrode of a battery pack. The negative electrode part is configured to be electrically connected to a negative output terminal of the external high-voltage box and a negative electrode of the battery pack. The control part is configured to be electrically connected to a communication signal terminal of the external high-voltage box. The control part and the positive electrode part are arranged along a length direction or a width direction of the combiner cabinet.

Abstract: A combiner cabinet and an energy storage system are provided. The combiner cabinet includes a cabinet body, a cabinet door, at least one electrical element assembly, a mounting chamber is formed in the cabinet body, the cabinet door is connected to the cabinet body, the cabinet body includes a first side wall arranged opposite to the cabinet door, and the cabinet door and the first side wall are arranged along a first direction; the electrical element assembly is, arranged in the mounting chamber, the electrical element assembly includes a positive electrode portion and a negative electrode portion arranged at intervals, the positive electrode portion and the negative electrode portion are arranged in the first direction.

Abstract: A battery box and a battery pack are provided. The battery box includes: a bottom plate; a side plate, where the side plate surrounds a peripheral edge of the bottom plate and is combined with the bottom plate to form an accommodating cavity for accommodating a battery module; and a plurality of protrusions disposed in the accommodating cavity and disposed on the bottom plate, where the protrusions are protruded from the bottom plate in a first direction and arranged in an array in a second direction and a third direction, a top portion of each of the protrusions is configured to contact a bottom portion of the battery module to lift the battery module.

Abstract: A modified porous lithium iron phosphate and a preparation method and applications thereof are provided. The preparation method includes the following steps: mixing a porous iron phosphate precursor, a lithium source, a reducing agent and lithium fluoride to grind; pre-sintering a material obtained by the grinding treatment to obtain a pre-sintered material; and mixing the pre-sintered material with a carbon source to calcine to obtain the modified porous lithium iron phosphate.

Abstract: An electrode thickness control method and a control system is provided. The control method includes: obtaining an initial thickness and a target thickness of a to-be-rolled electrode; controlling, according to the initial thickness and the target thickness, a target device to roll the to-be-rolled electrode; obtaining first thickness change data of the to-be-rolled electrode, second thickness change data of a rolled electrode formed through rolling, and current rolling speed data of the target device; and adjusting, according to the first thickness change data, the second thickness change data, or the current rolling speed data, a current rolling pressure or a current rolling temperature of the target device, to cause a thickness of the rolled electrode to reach the target thickness.