A system includes a cell support having a first opening defined therethrough. The first opening is configured to have a first battery cell positioned at least partially therein. The system also includes a first insulator positioned at least partially within the first opening and at least partially around the first battery cell. The first insulator comprises a first solid diamond-like carbon insert that fills a first gap between the first battery cell and the first opening.

A battery assembly includes a cell stack including a plurality of battery cells stacked together, a busbar assembly coupled to the cell stack and including a busbar electrically connected to an electrode lead of at least one of the battery cells, a plate unit configured to cover at least a portion of a side surface of the cell stack, a sensing unit coupled to the busbar assembly and disposed outside of the cell stack, and a cell monitoring unit installed on the plate unit and coupled to the sensing unit.

A battery pack includes a pack housing, at least one battery module disposed inside the pack housing, and a vent hole connecting inside and outside of the pack housing, wherein the battery module includes a plurality of battery cells and a first thermal propagation (TP) blocking member disposed between the plurality of battery cells.

The present application provides a battery pack. The battery pack comprises a case, a cavity structure being provided in the bottom of the case; and a plurality of battery cells, the plurality of battery cells being stacked at the bottom of the case, and an end surface, facing the bottom of the case, of each of the battery cells being provided with an explosion-proof valve, wherein a structural layer, facing the explosion-proof valve, of the bottom of the case is provided with a weak area, and gas in the battery cell during thermal runaway of any battery cell may be collected via the weak area into the cavity structure and then is discharged.

The present invention relates to an apparatus and method for the localized capture, storage and specialized use of power generated from natural sources, such as solar power or hydropower. The apparatus can be used, for example, or in or near commercial or residential buildings, vehicles, marine vessels, a wind farm turbine tower, or in a solar park or photovoltaic power station, or anywhere there is a requirement for localized power generation, localized storage and wider distribution of power.

The present invention relates to an apparatus and method for the localized capture, storage and specialized use of power generated from natural sources, such as solar power or hydropower. The apparatus can be used, for example, or in or near commercial or residential buildings, vehicles, marine vessels, a wind farm turbine tower, or in a solar park or photovoltaic power station, or anywhere there is a requirement for localized power generation, localized storage and wider distribution of power.

An electrochemical system having a thermal barrier layer is provided. The thermal barrier layer includes a polymer network having an inorganic portion and an organic portion such as silicone or a polysiloxane polymer network. The polymer network may further include filler component dispersed therein such as oxidized polyacrylonitrile milled fiber, Aerogel, hollow glass microspheres, and mica.

A battery module is disclosed. The battery module includes a cell assembly including a plurality of battery cells, each of the plurality of battery cells including an electrode accommodation portion accommodating an electrode assembly, and an electrode lead protruding from the electrode accommodation portion and coupled to the electrode assembly; a module housing accommodating the cell assembly; a bus bar unit including a plurality of slits in which the electrode leads are inserted respectively, and a bus bar coupled to the electrode leads; and a guide member positioned between the electrode accommodation portion and the bus bar unit, the guide member including a plurality of openings through which the electrode leads pass.

A battery module includes a housing assembly, a cell assembly, a circuit board, and a first connecting member. The housing assembly includes a first side wall and a second side wall. The first side wall is provided with a first through hole. The second side wall is provided with a second through hole. The cell assembly is accommodated in the housing assembly. The cell assembly includes cells. Each cell includes an electrode terminal. The circuit board connects to the electrode terminal. The first connecting member connects to the circuit board. The first connecting member is disposed in the first through hole and the second through hole. The first connecting member is provided with a first channel. The first channel communicates with the first through hole and the second through hole.

Disclosed herein are a battery cell housing, a battery cell, a battery, and an electric device. The battery cell housing defines a cavity configured to accommodate an electrode assembly, and the battery cell housing includes a first housing and a second housing. The first housing is electrically connected to a first tab of the electrode assembly. The second housing is fixed to the first housing in an insulated manner. The second housing is electrically connected to a second tab of the electrode assembly and the second tab is different from the first tab in polarity. The first housing includes a bulge electrically connected to the first tab, and the bulge extends in a direction approaching the second housing. Therefore, there is no need to provide a hole in the battery cell housing, thereby rendering the battery cell housing more integral.