This application provides a battery. The battery includes a housing and a plurality of accommodating cavities located in the housing. Two adjacent accommodating cavities are isolated by a partition plate, and an electrode core assembly comprising at least one electrode core is arranged in the accommodating cavity. A plurality of electrode core assemblies are sequentially arranged along a first direction and connected in series. A liquid guiding hole and a gas guiding hole are provided on the partition plate. The liquid guiding hole and the gas guiding hole are used to connect two adjacent accommodating cavities at both sides of the partition plate. The battery further includes a blocking mechanism that enables the liquid guiding hole to be in a settable state including an open state and a closed state.

Disclosed are a battery, a battery module, a battery pack, and an electric vehicle. The battery includes a housing and at least two electrode core sets. The housing has an accommodating cavity therein. The at least two electrode core sets are arranged in the accommodating cavity and connected in series with each other. Each electrode core set includes at least one electrode core (4). The battery further includes separators. The separators each are arranged between two adjacent electrode core sets. The separator includes a first separator (13) and a second separator (14). A gap is provided between the first separator (13) and the second separator (14).

Disclosed are a battery, a battery module, a battery pack, and an electric vehicle. The battery includes a housing and at least two electrode core sets. The housing has an accommodating cavity therein. The at least two electrode core sets are arranged in the accommodating cavity and connected in series with each other. Each electrode core set includes at least one electrode core (4). The battery further includes separators. The separators each are arranged between two adjacent electrode core sets. The separator includes a first separator (13) and a second separator (14). A gap is provided between the first separator (13) and the second separator (14).

The invention relates to an energy storage comprising a plurality of series connectable energy modules connected to a string via a plurality of switches. Wherein a string controller controls which of the energy modules that are part of a current path through the string by control of the status of the switches. An energy storage monitoring system is monitoring an energy storage element operating parameter of an energy module, the energy storage monitoring system comprises: a current sensor and a plurality of energy module print. The plurality of energy module prints establishes an energy module operating parameter of the associated energy module. The current sensor establishes the current in the current path. The string controller is configured for by-passing an energy module based on information of status of the switches, the measured current in the current path and the battery operating parameter measured at the energy modules.

The invention relates to an energy storage comprising a plurality of series connectable energy modules connected to a string via a plurality of switches. Wherein a string controller controls which of the energy modules that are part of a current path through the string by control of the status of the switches. An energy storage monitoring system is monitoring an energy storage element operating parameter of an energy module, the energy storage monitoring system comprises: a current sensor and a plurality of energy module print. The plurality of energy module prints establishes an energy module operating parameter of the associated energy module. The current sensor establishes the current in the current path. The string controller is configured for by-passing an energy module based on information of status of the switches, the measured current in the current path and the battery operating parameter measured at the energy modules.

An apparatus and method for electrochemical energy storage for high-power and high-energy autonomous applications, including autonomous electric vehicles having remote active drive cycle monitoring and/or governance and thermal management control, are described. For autonomous vehicles, the apparatus includes: at least one high-power, low-energy density tertiary storage battery having low cost, and designed to wear and be replaceable; at least one high energy density core battery; at least one intermediate power and energy density secondary battery for buffering the load on the core battery; and a battery controller. The autonomous vehicle energy requirement and consumption rate are provided in such a manner that performance degradation over the life of the system is reduced.

A circuit board and a battery connection module are provided. The circuit board has an insulating substrate and a plurality of circuit traces provided thereto. At least one of the traces is provided with a fuse unit. The fuse unit has a main fuse and at least one spare fuse. The main fuse has two main trace connection end portions respectively positioned at two ends of the main fuse and connected to the trace and a main fuse section connected between the two main trace connection end portions. The spare fuse has two trace connection end portions respectively positioned at two ends of the spare fuse and a fuse section connected between the two trace connection end portions, the fuse section and the main fuse section are spaced apart from each other and arranged side by side, and at least one of the two trace connection end portions is not connected with the trace so as to form an electrical disconnection with the trace, and after the main fuse section forms an electrical disconnection, the two trace connection end portions are connected to the trace so that a current conductive path is formed by the spare fuse and the trace.

A circuit board and a battery connection module are provided. The circuit board has an insulating substrate and a plurality of circuit traces provided thereto. At least one of the traces is provided with a fuse unit. The fuse unit has a main fuse and at least one spare fuse. The main fuse has two main trace connection end portions respectively positioned at two ends of the main fuse and connected to the trace and a main fuse section connected between the two main trace connection end portions. The spare fuse has two trace connection end portions respectively positioned at two ends of the spare fuse and a fuse section connected between the two trace connection end portions, the fuse section and the main fuse section are spaced apart from each other and arranged side by side, and at least one of the two trace connection end portions is not connected with the trace so as to form an electrical disconnection with the trace, and after the main fuse section forms an electrical disconnection, the two trace connection end portions are connected to the trace so that a current conductive path is formed by the spare fuse and the trace.

A flexible battery and a display device are provided. The flexible battery includes: a plurality of flexible electric core blocks; wherein the plurality of flexible electric core blocks are arranged at intervals along a curling traveling direction, a spacing between adjacent flexible electric core blocks is gradually increased along the curling traveling direction; at least one flexible connecting bridge is arranged between the adjacent flexible electric core blocks, and two ends of the flexible connecting bridge are electrically connected with the adjacent flexible electric core blocks respectively.

A device includes a battery module, and an inverter configured to convert a DC voltage output from the battery module into an AC voltage. The battery module includes battery cells connected in series, and a state detection unit configured to detect a state of each battery cell of the battery cells. An output voltage of the battery cells is input to the inverter without being stepped up. At least some battery cells of the battery cells are reused battery cells. The electrical storage device includes a switching unit configured to connect/disconnect an electrical connection between the battery cells and the inverter. The switching unit is controlled into a disconnected state when a voltage of the battery cells or the DC voltage on an input side of the inverter exceeds a threshold.