Abstract: Provided are a top cover for a battery, and a battery. The top cover for a battery includes a body; and a pole riveting block and a plurality of pole bodies, where the plurality of poles bodies are arranged on the body, and the plurality of poles bodies are connected to the pole riveting block.

Abstract: The present application relates to the technical field of battery production configuration, in particular to a bag-making type stacking apparatus and a stacked product. The bag-making type stacking apparatus comprises: a negative electrode bag-making system, comprising a negative electrode plate plate-making system (1) and a unit plate composite bag-making system (2) which are arranged in a spaced manner; a positive electrode plate plate-making system (3) spaced apart from the negative electrode bag-making system; a stacking device (4) spaced apart from the negative electrode bag-making system and the positive electrode plate plate-making system (3); and a carrying device (5) spaced apart from the stacking device (4), the carrying device (5) is provided with a carrying member which reciprocates between the unit plate composite bag-making system (2), the stacking device (4) and the positive electrode plate plate-making system (3).

Abstract: A vehicle body floor assembly for a vehicle includes a vehicle body mounting structure; and a battery pack, the battery pack including a battery module and a housing, the battery module being provided in the housing, the housing being connected to the vehicle body mounting structure, and at least a portion of the structure of the housing being configured as a vehicle body floor of the vehicle. The structure enables an integration level of a vehicle body and the battery pack to be higher. In addition, also provided is a vehicle having the vehicle body floor assembly.

Abstract: Disclosed are a power battery, a busbar component of the power battery and a method thereof. The busbar component comprises a busbar assembly. The busbar assembly comprises a busbar body, a first insulating layer and a second insulating layer. The busbar body is connected with one side of the first insulating layer facing a battery cell module, is integrated with a sampling line, and the sampling line is manufactured by a mechanical cutting and unloading process. The second insulating layer is attached to the first insulating layer and covers the sampling line, and the second insulating layer and the busbar body are on a same side of the first insulating layer and are arranged in a staggered manner. The cost is lowered, the process cycle of product is shortened, the production efficiency is improved, the applicability gets wider, the production process and the assembling process are simplified.

Abstract: Disclosed are a battery module and a battery pack having the same for a vehicle. The battery module includes a cell row and output electrode connecting plates. The cell row has a first end and a second end in an arrangement direction of a plurality of cells. Each cell includes a first end cell located at the first end and a second end cell located at the second end. The output electrode connecting plates include a positive electrode connecting plate and a negative electrode connecting plate, one of which is connected to the first end cell, and the other is connected to a cell adjacent to the first end cell.

Abstract: Provided in the present disclosure are a lithium-rich manganese-based positive electrode material for use in a lithium-ion battery, a preparation method for the material, a positive electrode tab, the lithium-ion battery, and an electric vehicle. The lithium-rich manganese-based positive electrode material provides increased structural stability in a charging-discharging cycle, is not prone to experiencing an expansion or contraction that causes grain boundary stress imbalance, is not prone to undergoing a side reaction with an electrolytic solution, and is easy to industrialize; moreover, the lithium-ion battery made with the material provides great cycle performance, great rate performance, and great commercial prospect.

Abstract: A positive electrode material and a preparation method therefor, a lithium-ion battery, and an electric vehicle. The positive electrode material comprises: matrix particles, materials forming the matrix particles comprising at least one of a lithium-rich manganese-based material, lithium nickel cobalt manganese oxide, lithium nickel cobalt aluminum oxide, lithium iron phosphate, lithium manganate, lithium nickel cobalt manganese aluminate, and lithium nickel manganate; and a housing, the housing covering at least a portion of the outer surfaces of the matrix particles.

Abstract: Disclosed are an aluminum-coated precursor and a preparation method therefor. The aluminum coated precursor has a chemical formula of xMCO3(1-x).Al(OH)3, wherein M is at least one of nickel, cobalt and manganese, and x is 0.995-0.999. The aluminum-coated precursor has the advantages of a controllable particle size and uniform particle size distribution, a high degree of sphericity, a smooth particle surface, a high tap density, not easily breaking, and an excellent electrochemical performance and energy density.

Abstract: A lithium-rich manganese-based positive electrode material and a preparation method therefor and an application thereof. The positive electrode material comprises a matrix (10) and a coating layer (20). The coating layer (20) coats the matrix (10). The matrix (10) comprises Li1+?Ni?M?O2-?F? and Li2+??M?O3-??F??. The coating layer (20) comprises M???O?? and M????O???. The lithium-rich manganese-based positive electrode material can improve both the rate performance and cycle life of the positive electrode material.

Abstract: Provided by the present disclosure are a carbonate precursor that has a high-nickel and low-cobalt sandwich structure, a preparation method therefor and an application thereof. The precursor comprises an inner core and an outer shell layer, wherein the outer shell layer covers at least a part of the outer surface of the inner core. The carbonate precursor having the sandwich structure has the advantages of narrow particle size distribution, good fluidity, and an excellent electrochemical performance, and may be stably produced in both an ammonia-free system and an ammonia-containing system.

Abstract: The present disclosure provides a lithium-rich carbonate precursor, a preparation method therefor, and an application thereof. The lithium-rich carbonate precursor has a solid spherical structure, and the chemical formula of the lithium-rich carbonate precursor is NixCoyMn(1?x?y)CO3. The precursor has the advantages of having controllable particle size, uniform particle size distribution, high sphericity, high tap density, good fluidity, and excellent electrochemical performance and energy density.

Abstract: Disclosed are a battery module and a battery pack having the same for a vehicle. The battery module includes a cell row and output electrode connecting plates. The cell row has a first end and a second end in an arrangement direction of a plurality of cells. Each cell includes a first end cell located at the first end and a second end cell located at the second end. The output electrode connecting plates include a positive electrode connecting plate and a negative electrode connecting plate, one of which is connected to the first end cell, and the other is connected to a cell adjacent to the first end cell.