Abstract: A battery assembly, a battery pack and a vehicle are provided. The battery assembly includes: multiple cells; a connecting member, where the cells is electrically connected to each other through the connecting member; and a thermally conductive member, where the cell has a housing, the thermally conductive member is provided between the connecting member and the housing, and the thermally conductive member is thermally conductively connected to the connecting member and the housing.

Abstract: A battery pack, a vehicle, and an energy storage device are provided. The battery pack includes a cell array and a support member, where the cell array includes a plurality of cells, the cell has a first dimension, and the first dimension is a maximum spacing between two imaginary parallel planes sandwiching the cell; and at least one of the cells 600 mm?first dimension?2500 mm the at least one cell includes a casing and a core located inside the casing, a supporting region is formed on the casing, and the cell is connected to the support member through the supporting region and is supported by the support member. The support member is connected to the supporting region to support the cell.

Abstract: A power battery pack includes: a pack body; a plurality of cells, disposed in the pack body; the cell having a length L0, a width H0, and a thickness D0, where at least one cell meets: L0>H0?D0, a length direction of the cell is arranged along a width direction of a vehicle body of the electric vehicle, and in the width direction of the electric vehicle, the length L0 of the cell and a size W of the vehicle body of the electric vehicle in the width direction meet: 46%?L0/W?76%; or at least one cell meets: L0>H0?D0, a length direction of the cell is arranged along a length direction of a vehicle body of the electric vehicle, and in the length direction of the electric vehicle, the length L0 of the cell and a size X of the vehicle body of the electric vehicle in the length direction meet: 40%?L0/W?76%.

Abstract: A current collector includes: a first polymer layer; a metal layer, the metal layer being disposed on a side of the first polymer layer; and a second polymer layer, the second polymer layer being disposed on a side of the metal layer far away from the first polymer layer; and in a direction from the first polymer layer to the second polymer layer, the current collector having a number of through-holes that penetrate the current collector.

Abstract: A dry battery electrode plate includes: a metal current collector and a self-supporting electrode film. The metal current collector is provided with pores. The self-supporting electrode film includes a first electrode film and a second electrode film. The first electrode film is arranged on one side of the metal current collector. The second electrode film is arranged on the other side of the metal current collector facing away from the first electrode film. The first electrode film and the second electrode film are configured to be press-fit connected by an external force. The first electrode film and the second electrode film are attached to the metal current collector. The first electrode film and the second electrode film are connected to each other at positions corresponding to the pores.

Abstract: The present disclosure provides a method for continuously and efficiently preparing taurine, including:(a) bringing an ethylene oxide with an alkali metal bisulfite into an addition reaction to obtain an alkali metal isethionate; (b) bringing the alkali metal isethionate with an ammonia into an ammonolysis reaction to obtain a solution containing alkali metal taurinate; and (c) inputting the solution containing alkali metal taurinate into at least one acid cation exchange resin column in activated state to obtain the taurine through an acidification treatment, followed by activating a portion of the at least one acid cation exchange resin column by a first activation manner using sulfurous acid and obtaining a solution containing alkali metal bisulfite, and activating another portion of the at least one acid cation exchange resin column by a second activation manner using sulfuric acid, wherein the first and second activation manner may be performed on a same acid cation exchange resin column alternatingly or

Abstract: The present disclosure provides a system for efficiently preparing taurine, including: a solution storage unit configured to store a solution containing alkali metal taurinate, the solution being prepared by an ethylene oxide process; an ion exchange unit including at least one ion exchange resin column each configured to be activated by a first activation manner or a second activation manner independently, the first activation manner using sulfurous acid for activation to obtain alkali metal bisulfate and taurine, and the second activation manner using sulfuric acid for activation to obtain alkali metal sulfate and taurine; and a dispensing unit connected to the solution storage unit and the ion exchange unit respectively, and configured to adjust an amount of a solution conveyed from the solution storage unit to each of the at least one ion exchange resin column in the ion exchange unit.

Abstract: A battery pack, a vehicle, and an energy storage device are provided. The battery pack includes a cell array and a support member, where the cell array includes a plurality of cells, the cell has a first dimension, and the first dimension is a maximum spacing between two imaginary parallel planes sandwiching the cell; and at least one of the cells 600 mm?first dimension?2500 mm the at least one cell includes a casing and a core located inside the casing, a supporting region is formed on the casing, and the cell is connected to the support member through the supporting region and is supported by the support member. The support member is connected to the supporting region to support the cell.

Abstract: A method and a system of designing a memristor-based naive Bayes classifier and a classifier belonging to the field of information technology are provided. The method includes: constructing a naive Bayes classifier including a memristor array of M rows by 2N columns, where M is the number of classification types, and N is the number of pixels in a picture; calculating the number hj,2i?1 of the pixel value of 0 and the number hj,2i of the pixel value of 1 in an ith pixel in the jth training sample, where j=1, 2, . . . , and M; and applying hj,2i?1 pulses to a memristor Rj,2i?1 in a jth row and a 2i?1th column to modulate the conductance of the memristor Rj,2i?1 and applying hj,2i pulses to a memristor Rj,2i in the jth row and a 2ith column to modulate the conductance of the memristor Rj,2i.

Abstract: The present disclosure provides a lithium ion battery, a power battery module, a battery pack, an electric vehicle and an energy storage device. The lithium ion battery includes a casing and an electrode core packaged in the casing. The electrode core includes a positive electrode sheet, a negative electrode sheet, and a separator located between the positive electrode sheet and the negative electrode sheet. The positive electrode sheet includes a positive electrode current collector and a positive electrode material layer loaded on the positive electrode current collector. Among the positive electrode current collector, the positive electrode material layer, the negative electrode sheet, and the separator, the one with the lowest melting point is defined as an effective component. The effective component meets: 3 ? A = d 2 ? ? ? C p × ( 1.35 L W ) ? 850.

Abstract: A battery pack includes a sealed housing, and at least one housing structural beam and multiple electrode core strings electrically connected to one another located in the housing. The housing includes a housing body, including a top plate and a bottom plate arranged opposite to each other in a first direction. The structural beam is located between the top plate and the bottom plate, the at least one structural beam divides the interior of the housing into multiple accommodating cavities, and is connected to the top plate and the bottom plate, and at least one electrode core string is provided in at least one accommodating cavity. An atmospheric pressure in the accommodating cavity is lower than an atmospheric pressure outside the housing. A mounting portion is provided on the housing, and the mounting portion is configured to be connected and fixed to an external load.

Abstract: The present disclosure provides a lithium ion battery, a battery pack, an electric vehicle and an energy storage device. The lithium ion battery includes a casing and an electrode core packaged in the casing. The electrode core includes a positive electrode sheet, a negative electrode sheet, and a separator located between the positive electrode sheet and the negative electrode sheet. The positive electrode sheet includes a positive electrode current collector and a positive electrode material layer on the positive electrode current collector. Among the positive electrode current collector, the positive electrode material layer, the negative electrode sheet, and the separator, the one with the lowest melting point is defined as an effective component. The effective component meets: 1 ? d 2 ? ? ? C p × ( 1.12 nL ( n + 1 ) ? W ) ? 500.

Abstract: The present disclosure provides a lithium ion battery, a battery pack, an electric vehicle and an energy storage device. The lithium ion battery includes a casing and an electrode core packaged in the casing. The electrode core includes a positive electrode sheet, a negative electrode sheet, and a separator located between the positive electrode sheet and the negative electrode sheet. The positive electrode sheet includes a positive electrode current collector and a positive electrode material layer loaded on the positive electrode current collector. Among the positive electrode current collector, the positive electrode material layer, the negative electrode sheet, and the separator, the one with the lowest melting point is defined as an effective component. The effective component meets: 80 < d 2 ? C p x 1.12 n L n + 1 W + 1.35 L W + 0.337 n + 4.49 < 2000.

Abstract: A battery pack includes a housing and multiple electrode core strings electrically connected to each other and disposed in the housing. The housing includes a housing body which includes sub-housings connected to each other. A sub-housing includes at least one reinforcing plate and a top plate and a bottom plate oppositely arranged in a first direction. The reinforcing plate is arranged between and is connected to the top plate and the bottom plate, and divides an interior of the corresponding sub-housing into multiple accommodating cavities. At least one accommodating cavity includes at least one electrode core string which includes electrode core assemblies connected and arranged in a second direction. The electrode core assemblies are disposed in an encapsulation film. A length of the electrode core string extends in the second direction. The housing includes a mounting component that is configured to be connected and fixed to an external load.

Abstract: This application provides a battery pack, a vehicle, and an energy storage device. The battery pack includes at least one battery sequence. The battery sequence includes a plurality of batteries. A thickness of each battery extends along a first direction. The plurality of batteries are successively arranged along the first direction to form the battery sequence. At least one of the batteries includes a casing and a core packaged in the casing. A gap exists between at least two neighboring batteries. A ratio of the gap to the thickness of the battery is c, and c satisfies the following relational expression: c/a=0.01-0.5, where a represents an expansion rate of the battery.

Abstract: A battery, a battery module, a battery pack, and an electric vehicle are provided. The battery includes a metal shell and a plurality of electrode core assemblies sealed in the metal shell and arranged in sequence. The electrode core assemblies are connected in series. Each of the electrode core assemblies includes at least one electrode core. The electrode core assemblies are sealed in a packaging film. An air pressure between the metal shell and the packaging film is lower than an air pressure outside the metal shell. An air pressure inside the packaging film is lower than the air pressure between the metal shell and the packaging film.

Abstract: A battery pack and a vehicle are provided. The battery pack is fixed to the vehicle and is configured to provide electric energy for the vehicle. The battery pack includes a cell array. The cell array includes at least one cell. The cell includes electrode terminals for leading out current. A first direction is defined as a front-to-rear direction of the vehicle. The electrode terminals are oriented parallel to the first direction.

Abstract: A cell, a battery pack, and an electric vehicle are provided in the present disclosure. The cell includes a hermetical metal housing and at least two hermetical accommodating cavities, multiple electrode core assemblies, and an encapsulation film arranged in the metal housing. The electrode core assemblies are arranged along a first direction. The electrode core assemblies are connected in series. A length of each electrode core assembly extends along the first direction. The electrode core assembly includes an electrode core assembly body and a first electrode and a second electrode configured to lead out a current. The first electrode and the second electrode are respectively arranged on two sides of the electrode core assembly body along the first direction. At least one of the accommodating cavities is defined by the encapsulation film, and the electrode core assembly body is arranged in the accommodating cavity. A length of the cell extends along the first direction.

Abstract: A battery pack includes a housing, and at least one housing structural beam and multiple electrode core strings electrically connected to one another located in the housing. The housing includes a housing body, including a top plate and a bottom plate arranged opposite to each other in a first direction. The structural beam is located between the top plate and the bottom plate, the at least one structural beam is connected to the top plate and the bottom plate, and divides the interior of the housing into multiple accommodating cavities, and at least one electrode core string is provided in at least one accommodating cavity. A mounting portion is provided on the housing, and the mounting portion is configured to be connected and fixed to an external load. The electrode core string includes multiple electrode core assemblies sequentially disposed in a second direction and connected in series.

Abstract: A battery pack and an electric vehicle are provided. The battery pack includes a battery sequence. The battery sequence includes multiple cells. A thickness of each cell extends along a first direction. The multiple cells are arranged in sequence along the first direction to form the battery sequence. At least one of the cells includes a metal shell and an electrode core packaged in the metal shell. An air pressure inside the metal shell is lower than an air pressure outside the metal shell. A gap is provided between at least two adjacent cells. A ratio of the gap to the thickness of the cell ranges from 0.001 to 0.15.