CN216818430U - Collecting type electrode group and embedded type battery pack - Google Patents

Abstract

The utility model provides a collecting electrode group and a mosaic battery pack; the collector type electrode group comprises a collector plate, a plurality of positive plates and a plurality of negative plates; the collector plate is made of conductor material or is synthesized by a grid mesh of the conductor material and a solid molding material; the polar plate current collectors of the plurality of polar plates are electrically and fixedly connected with one side or two sides of the plate surface of the current collecting plate to form a positive electrode group and a negative electrode group; the embedded battery pack comprises (n +1) collector type electrode groups and a conventional material groove body to form n groove grid series connection structures; the positive electrode group and the negative electrode group in the cell are opposite at intervals and have opposite polarities, and current collecting plates at two ends of the series connection of the cell are used as two-pole terminals; the embedded battery pack is preferably provided with a rigid shell or fixedly installed on the ground, and the embedded battery pack easily meets the market requirements of high voltage and huge capacity by arranging a heat-conducting heat dissipation device.

Description

Collecting type electrode group and embedded type battery pack

Technical Field

The utility model relates to the field of battery design, in particular to a collector type electrode group and a mosaic type battery pack.

Background

Conventional battery products are small modular structures and convenient to transport, while high-voltage and high-capacity battery packs are generally required for practical use, such as energy storage application, and thousands of batteries with modular structures need to be transported to field organizations for professional electrical series and parallel operation in order to obtain high-voltage and huge-capacity battery packs.

The battery is designed with a bipolar polar plate technical idea known by technicians in the field, and is characterized in that the polarities of two surfaces are different, and a plurality of bipolar polar plates are stacked to naturally form a series battery pack without bridge-crossing electric connection; due to the complex manufacturing process of the bipolar plate, although the battery pack can easily obtain high voltage, the capacity is small, and the use requirement of the mainstream battery market is far from being met. The utility model is based on the requirement of a client on a high-voltage and large-capacity battery pack, and is provided by focusing on the overall design of a large bipolar plate and a large battery pack.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pole group formed by embedding a plurality of positive plates and negative plates in a current collecting plate based on the technical idea of a bipolar pole plate, and the pole group is embedded with a battery pack groove body in a deformed design to form a high-voltage and high-capacity special power supply product without bridge-crossing connection inside, so that the market requirement of a large-scale battery pack is met.

In order to achieve the technical object, the utility model provides a collector type electrode group, which comprises a collector plate and a plurality of polar plates; the collector plate is of a plate-shaped structure, the shape is not limited, the collector plate is made of a conductor material or is formed by a grid mesh of the conductor material and a solid forming material, and one side or two sides of the surface of the collector plate are provided with a plurality of concave electrical interfaces comprising protruding ribs; the polar plate comprises a positive plate and a negative plate, and is formed by electrically and fixedly connecting an active substance with a current collector, the active substance and the combination type of the positive electrode and the negative electrode of the active substance are not limited, and the appearance of the polar plate is not limited; the collectors of the plurality of polar plates are electrically and fixedly connected with the plate surface electric interfaces of the collector plates to form homopolar polar groups on one side of the plate surface or positive polar groups and negative polar groups on two sides of the plate surface respectively.

The positive and negative electrode plates described above are not limited to plate-like structures, and include tubular, wound, or other shapes; the capacity of a single polar plate is limited, and the conventional technology is to use a plurality of positive plates, negative plates and separators to be crossly laminated to form a polar group; the plate surface of the current collecting plate is provided with an electrical interface for electrically and fixedly connecting with the current collector of the polar plate, and the electrical and fixedly connecting comprises metal welding and electrical and fixedly connected mechanical fastening; the space arrangement structure of the polar plate electrically connected with the current collecting plate comprises a longitudinal arrangement mode along the plate surface of the current collecting plate or/and a transverse arrangement mode along the plate surface of the current collecting plate; the solid molding material is ABS or hard rubber.

Based on the collector type electrode group, the utility model also provides a mosaic type battery pack formed by adopting the collector type electrode group and a conventional material groove body, which comprises (n +1) concave three-sided groove bodies made of the collector type electrode group and the conventional material, and n groove grid series structures are synthesized, wherein n is the number of groove grids more than or equal to 2; the cell plates in the cell series connection direction are all collector electrode groups, the current collecting plates at two ends are one sides of a plurality of polar plates which are electrically fixedly connected with the plate surfaces and serve as two-pole terminals of the battery pack, and the rest current collecting plates are a plurality of homopolar polar plates which are electrically fixedly connected with two sides of the plate surfaces respectively; the positive electrode group and the negative electrode group in the cell are opposite in interval and opposite in polarity; the upper part of the cell is provided with an upper cover plate and a safety valve is selectively arranged, and the cell is filled with electrolyte and is selectively filled with an adsorption material. The conventional tank body material such as ABS and hard rubber; the safety valve is a common exhaust explosion-proof device; the adsorption material is commonly used in the industry, and has an AGM (absorbent glass mat) membrane, and has the function of adsorbing electrolyte, so that the electrolyte is uniformly distributed on the upper part and the lower part in the cell, and the mechanical contact of the positive electrode group and the negative electrode group is prevented, and the adsorption material is selectively filled with or not filled with the adsorption material.

In the technical scheme of the battery pack, the concave three-side groove body made of the conventional material is of a split combined structure. The split combination comprises a structure which can form a concave three-sided groove body by adopting any split combination mode.

In the technical scheme of the battery pack, the n-cell series structure comprises an m multiplied by n-cell structure, and the current collecting plates of the adjacent cells in the parallel direction are electrically and fixedly connected or integrally designed; m is the number of the cell grids with the parallel direction more than or equal to 2. The large-capacity battery pack needs a large-capacity collector type electrode group and a large-size groove grid, the groove body of the m multiplied by n groove grid structure is designed and optimized in a split combination mode, the groove body is a modified design with n groove grids connected in series, and combination and installation are convenient.

In the technical scheme of the battery pack, the battery pack is fixed in the rigid shell or fixedly installed on the ground; the rigid casing is a multi-surface hollow body with at least one openable surface, and two pole terminals of the battery pack are electrically connected with a power interface arranged on the outer groove surface of the rigid casing. The embedded battery pack has larger volume and considerable weight, and can make up for the defects of a trough body made of conventional materials when being fixed in a rigid shell with material rigidity and strength meeting the bearing requirements, thereby meeting the requirement of integral moving and transportation; the polyhedral hollow body is preferably a four-sided hollow body or a six-sided hollow body; the power supply interface is not limited to be arranged in one, and a plurality of power supply interfaces can be separately arranged according to needs; the battery pack is fixedly arranged on the ground, and is partially or completely fixedly arranged below the horizontal line of the ground, so that the design volume is not limited by the moving requirement; the battery pack fixedly arranged on the ground can be fixed in the rigid shell firstly or can be directly fixedly arranged on the ground.

In the technical scheme of the battery pack, the rigid shell and the concave three-sided groove body made of the conventional material are integrally designed. The integrated design comprises that a rigid shell and current collecting plates at two ends of a series connection groove grid are embedded into a polyhedron or a double-layer embedded structure is designed, the inner layer meets the requirements of a battery groove body, and the outer layer meets the requirements of rigidity and strength.

In the technical scheme of the battery pack, the rigid shell is a container with strength, rigidity and specification meeting the technical standards of the international organization for standardization, the state or the region. The standardized container is selected as a rigid shell to adapt to logistics transportation of the multi-mode intermodal transportation.

In the technical scheme of the battery pack, a ventilation window or/and a heat-conducting heat dissipation device is/are arranged on the side surface or/and the upper part of the rigid shell; the heat conduction type heat dissipation device comprises a heat absorption plate, a heat dissipation plate and a heat conduction pipe. The ventilation window or/and the heat conduction type heat dissipation device are/is arranged for heat dissipation, the heat conduction type heat dissipation device is widely applied in the field of heat dissipation, the technical principle is known to technicians in the field, the heat absorption plate is arranged inside the rigid shell, the heat dissipation plate is arranged outside the rigid shell, the heat conduction pipe penetrates through a hole specially formed in the rigid shell, and two ends of the heat conduction pipe are respectively and thermally fixedly connected with the heat absorption plate and the heat dissipation plate; when the heat dissipation plate is arranged on a cooling source or even an underground relative constant temperature soil layer, the heat dissipation effect is better.

The utility model has the substantial characteristics that a large-capacity bipolar electrode group is formed by respectively and electrically fixedly connecting two sides of the surface of the current collecting plate by a plurality of positive plates and negative plates, so that the technical idea of the bipolar battery pack is realized in the field of large capacity, and one side of the surface of the current collecting plate electrically fixedly connected by a plurality of polar plates is the preferred design as the leading electrode of the battery pack; the battery pack is fixed in the rigid shell with rigidity and strength meeting the bearing requirements, so that large-scale design is facilitated, and meanwhile, the power interface is arranged on the outer groove surface of the rigid shell, so that the client side is convenient to use; the rigid shell is made of a standard container, so that logistics transportation of multi-mode intermodal transportation is facilitated; the battery pack is fixedly arranged on the ground and is not limited by volume, so that the design of large-scale products at the grade of an energy storage battery is facilitated, and the design of a heat dissipation device with better heat conduction effect is facilitated.

The utility model has the advantages that: the collector type electrode group is based on a positive plate and a negative plate which are mature in process, and the battery pack embedded with the conventional material groove body easily meets the market requirements of high voltage and large capacity; the rigid shell is added, so that integral moving and transportation can be met, and integral fixed installation on the ground is favorable for large-scale design and heat dissipation effect.

Drawings

FIG. 1 is a schematic diagram of a basic structure of the collector group;

FIG. 2 is a schematic view of a structure in which positive plates are electrically connected in parallel into a group along the plate surface of a current collecting plate;

FIG. 3 is a schematic view of a conductor grid structure of the collector plate;

fig. 4 is a schematic front sectional view of the tabling battery pack;

fig. 5 is a schematic top sectional view of the tabling battery pack;

FIG. 6 is a schematic top sectional view of the cell body and the collector group forming 2 × n cells;

fig. 7 is a schematic front sectional view of a tabling battery pack with additional rigid casing and power interface;

FIG. 8 is a schematic cross-sectional view of a heat sink mounted on the top of a rigid housing;

fig. 9 is a schematic sectional view of the rigid housing fixedly mounted on the ground below the horizontal line.

The attached drawings are as follows:

1. collector plate 1a, conductor grid 2, electrode plate collector 2a, and positive electrode group

2b, a negative electrode group 3, a groove grid 3a, a groove plate 4 made of conventional materials and a safety valve

5. Rigid shell 5a, hole 6, power interface 7a and heat absorbing plate

7b, a heat radiation plate 7c, a heat conduction pipe 8, and a ground level line

Positive electrode, positive electrode plate, positive electrode active material-, negative electrode plate, and negative electrode active material

Detailed Description

The technical solution of the present invention is further described in detail below with reference to the accompanying drawings and examples.

The bipolar plate is a product technical idea and is characterized in that the plate surfaces on the two sides of the plate are fixedly connected with a positive active material and a negative active material respectively, and the common active materials are difficult to be firmly fixed on one side of the plate surface as is clear to the technical personnel in the field; the conventional plate-shaped polar plate has strong bonding force with the active substance because the polar plate current collector is designed into a grid mesh, the active substance is fixedly connected with two surfaces of the grid mesh, and the grid plays a role in stabilizing the bonding force of the active substance.

The structure of the collector type pole group is characterized in that a plurality of homopolar pole plates form a homopolar pole group positioned on one side of a plate surface in a way that a collector is electrically and fixedly connected with the plate surface of the collector plate 1; or a plurality of positive plates and negative plates are respectively and electrically fixedly connected with the plate surfaces on the two sides of the current collecting plate 1 to form a positive electrode group 2a and a negative electrode group 2b which are positioned on the two sides of the plate surfaces, as shown in figure 1.

The current collection type electrode group is based on a positive plate and a negative plate with mature manufacturing processes, the electrode plates are electrically connected with a space arrangement structure of the current collecting plate 1, the space arrangement structure comprises a mode of longitudinally arranging the current collecting plate along the plate surface or/and transversely arranging the current collecting plate along the plate surface, the space structure is more compact due to regular arrangement, fig. 2 shows a structure that a plurality of positive plates are transversely and electrically connected in parallel to form the positive electrode group along the plate surface of the current collecting plate 1, and the current collectors 2 of 2 x 4 positive plates are electrically fixedly connected with the current collecting plate 1.

The collector plate 1 is made of good conductor materials and can also be synthesized by a conductor grid mesh and a solid molding material; one conventional structure of the conductor grid 1b is shown in fig. 3, and the manufacturing cost can be reduced by synthesizing an impermeable separator with a solid molding material such as ABS, rubber, and the collector of the polar plate is electrically connected to the conductor grid 1 b.

The positive active substances of the common polar plate comprise lead base, zinc base, aluminum base and the like; the active material of the negative plate is selected according to the type of the positive active material, for example, the negative plate of a zinc-nickel battery is selected with a nickel-based active material, and the negative plate of a lead-acid battery is selected with a lead-based active material; the structural form of the polar plate is not limited, and the polar plate can be a conventional plate-shaped structure with a grid fixedly connected with an active substance, and can also be a tubular structure, a winding form, a horizontal connection or other structures.

The technical meanings of the plurality of positive plates and the plurality of negative plates are that the number of the plates which are electrically and fixedly connected to form a plate group is not limited; in the prior art, conventional sheet-shaped and tubular main flow pole plate products can be adopted, a winding structure can also be adopted, and in the future technical development, super-capacity pole plates with an integrated structure can also appear, and the pole plates are structurally characterized in the collector type pole group as long as one side or two sides of the plate surface of the sub-collector plate 1 are fixedly connected in an electric mode.

A schematic of a front view cross-sectional structure of the tabling battery pack is shown in fig. 4, and a schematic of a top view cross-sectional structure thereof is shown in fig. 5; the battery pack is in a structure that (n +1) collector type electrode groups are embedded with a groove body 3a to form a plurality of grooves 3 in series connection, and all groove grid plates forming the groove series connection direction are collector plates 1 of the collector type electrode groups; the collector type electrode group with the two ends connected in series with the slot grids is characterized in that a plurality of electrode plates are electrically and fixedly connected with one side of the plate surface of the collector plate 1, and the collector plate is used as two-pole terminals of the battery pack; the rest of the current collecting electrode groups are formed by electrically fixedly connecting a plurality of polar plates on two sides of the plate surface of the current collecting plate 1; the positive electrode group 2a and the negative electrode group 2b in the groove grid 3 are opposite at intervals and have opposite polarities; the upper part of the cell of the embedded battery pack is provided with an upper cover plate with a safety valve 4, and in the specific implementation, the cell is filled with electrolyte and selectively filled with an adsorption material.

To form the embedded battery pack shown in fig. 4, the current collecting electrode group can be embedded with the concave trihedral trough plate 3a made of conventional materials, or a plurality of mold parts can be respectively made and embedded; the role of the collector plate 1 of the collector type electrode group in the battery pack is not only the original role of electrically fixedly connecting a plurality of positive plates and negative plates on the plate surface respectively, but also the multiple roles of embedding the collector plate and a conventional material groove plate 3a into a groove grid 3; the collector plate 1 is an impermeable separation plate for the groove grid 3, and the part embedded with the groove plate 3a made of the conventional material is sealed by an impermeable sealing material.

The selective setting of the safety valve 4 implies a gas exhaust device known to the person skilled in the art, which comprises a plurality of design forms; the safety valve is usually provided with a connected embedded part on the upper cover plate and can also be integrally designed with the upper cover plate; in the example of fig. 4, the cell 3 is filled with electrolyte to form the said embedded battery, the capacity of the battery depends on the capacity of the positive and negative electrode groups electrically connected by the plate 1, and the voltage obtained at the two terminals depends on the cell voltage of the positive and negative electrode groups multiplied by the number n of the cells.

The electrolyte of the collector type electrode group needs to be matched with the electrochemical reaction principle of the positive and negative plates, for example, the conventional lead-based electrode plate adopts acid electrolyte, and the zinc-based electrode plate adopts alkaline electrolyte; the physical shape of the electrolyte comprises liquid, colloidal and solid state, and the electrolyte can be converted during the charge and discharge process.

The cell body structure of the embedded battery pack comprises n cell grids which are connected in series, and also comprises an m multiplied by n cell grid structure formed by the cell body and a collector type electrode group, wherein m is the number of the cell grids in the parallel direction, fig. 6 is a structural schematic diagram of 2 multiplied by n cell grids, and collector plates of the collector type electrode group adjacent to the cell grids in the parallel direction are electrically and fixedly connected or are integrally designed, so that the embedded battery pack is a modified design of the n cell grid series structure, and can bring convenience for combination and installation.

The main function of the rigid housing 5 is to solve the load-bearing and overall movement transportation requirements of the embedded battery pack, and is preferably designed as a four-sided hollow body or a six-sided hollow body, at least one side of which can be opened and closed.

Fig. 7 is a view showing an example of a structure in which a fitting type battery pack is fixed inside a six-sided hollow body rigid case 5, and two-pole terminals are electrically connected to a power supply interface 6 provided on an outer groove surface of the rigid case; the battery pack is fixed in the rigid shell and can be correspondingly provided with an embedded part or/and a fixed connection device, and the embedded part, such as a concave-convex embedded part, is arranged between the battery pack groove body and the rigid shell; the fixing device is generally in a mechanical mode, and multiple sets of fixing devices can be arranged, for example, a mechanical embedding device is additionally arranged at the bottom of the rigid shell according to the shape of the base of the battery pack groove body, and a male screw and a female screw are added for fastening, and the like. The power interface can be used as a power input interface or a power output interface.

The rigid shell 5 has the requirements of strength and rigidity, one example of the integrated design of the rigid shell and the battery pack tank body is a double-layer embedded structure, the inner layer is made of ABS materials commonly used for battery tank bodies, and the outer layer is made of alloy materials meeting the requirements of strength and rigidity. The general structure of the embedded battery pack tank is hexahedron, and when a double-layer embedded structure is designed, attention needs to be paid to the fact that the current collecting plates 1 at two ends of the battery pack are electric conductors and the connection leads are electrically and fixedly connected with the power interface 6; the concrete implementation can also design the rigid shell into a tetrahedron, and the current collecting plates at two ends of the battery pack are combined into a hexahedron.

When the design capacity of the collector group is huge, a container with strength, rigidity and specification meeting the technical standards of the international organization for standardization, the country or the region is preferably used as the rigid shell 5. The international organization for standardization technical standard refers to the international universal container standard set by the technical commission 104 of (ISO); the external dimensions, the ultimate deviation and the rated weight of various types of containers in the national technical standards such as the current external dimensions and rated weight of containers (GB 1413-2008); regional container specifications refer to containers that are made by regional organizations based on the situation of the region and are applicable only to the region, such as the container standard according to the european international railroad consortium (VIC).

The ventilation window or/and the heat-conducting heat dissipation device are/is arranged for the embedded battery pack to work and dissipate heat; the ventilation window is a wall cavity of the rigid shell, can be arranged on the side surface or the upper part of the rigid shell, has any shape and comprises a matched opening/closing window cover. The heat dissipation effect of arranging the heat conduction type heat dissipation device on the closed rigid shell is relatively ideal, the structure of arranging the heat conduction type heat dissipation device on the upper part of the rigid shell is shown in figure 8, and a heat absorption plate 7a and a heat dissipation plate 7b are respectively arranged inside and outside the rigid shell 5; the heat conducting pipe 7c passes through a hole 5a specially arranged on the rigid shell 5, and two ends of the heat conducting pipe are respectively and thermally connected with the heat absorbing plate and the heat dissipating plate. The heat conduction pipe is called a heat pipe for short, is a heat conduction device manufactured by applying the vacuum molecular dynamics principle and is known by the technical personnel in the field, and the heat conduction efficiency is higher than that of any known metal; the heat absorbing plate and the heat radiating plate are made of aluminum alloy generally, the plate-shaped design is not limited, and the larger the specific surface area is, the better the heat absorbing and radiating effects are; in concrete practice, the gaps between the perforations 5a of the heat transfer pipe 7c are preferably sealed with a heat insulating material.

The embedded battery pack fixed in the rigid shell is not limited to the requirement of integral mobile transportation, and can be integrally and fixedly installed on the ground, and a part or all of the embedded battery pack can be fixedly installed below the ground horizontal line 8, and fig. 9 is a cross-sectional structural schematic diagram of the embedded battery pack integrally and fixedly installed below the ground horizontal line 8; in the example, the heat-conducting heat dissipation device is designed at the lower part of the rigid shell, the heat dissipation plate 7b is arranged on the underground relative constant-temperature soil layer, the inside of the rigid shell and the underground relative constant-temperature soil layer can be thermally fixed and connected into an isothermal system, and the heat dissipation effect is better.

The following preferred examples are only recommended, and a plurality of technical schemes can be combined and used, and other mature technologies can also be added.

Examples 1,

Designing a current collecting type electrode group, which comprises a current collecting plate 1, a plurality of positive plates and a plurality of negative plates; the collector plate 1 is of a plate-shaped structure made of a conductor material, the shape of the collector plate is 1600mm in width, 1800mm in height and 3mm in thickness, and one side or two sides of the plate surface are provided with a plurality of electrical interfaces protruding ribs; the positive plate is formed by electrically fixedly connecting a plate current collector 2 with a zinc-based active substance, and the negative plate is formed by electrically fixedly connecting a plate current collector 2 with a nickel-based active substance.

A plurality of zinc-based positive plates and nickel-based negative plates of the collector group are transversely arranged along the plate surface of the collector plate 1, a plate collector 2 is electrically connected with protruding ribs of the collector plate 1 on the plate surface, and the transverse arrangement structure of the zinc-based positive group is schematically shown in FIG. 2; the collector type electrode group is manufactured in three types, which are respectively as follows:

1) the collectors 2 of a plurality of zinc-based polar plates and nickel-based polar plates are respectively and electrically fixedly connected with the protruding ribs on two sides of the plate surface of the collector 1 to form an anode group 2a and a cathode group 2b with different polarities on two sides of the plate surface, the collector type polar group is equivalent to a large-capacity bipolar zinc-nickel polar plate, and the structure is schematically shown in fig. 1.

2) The polar plate current collectors 2 of a plurality of zinc-based polar plates are electrically fixedly connected with the protruding ribs on one side of the plate surface of the current collecting plate 1 to form a positive electrode group 2a on one side of the plate surface, and the positive electrode group is used as a positive electrode of the embedded battery pack.

3) The polar plate current collectors 2 of the plurality of nickel-based polar plates are electrically fixedly connected with the protruding ribs on one side of the plate surface of the current collecting plate 1 to form a negative electrode group 2b on one side of the plate surface, and the negative electrode group is used as a negative electrode of the embedded battery pack.

The current collectors 2 of a plurality of polar plates are electrically fixedly connected with the protruding ribs of the plate surface of the current collecting plate 1 by metal welding, gaps are reserved on four sides of the plate surface of the current collecting plate, wherein 20mm is reserved on the left and right parts of the plate surface of the current collecting plate, 40mm is reserved at the bottom of the plate surface of the current collecting plate, and 100mm is reserved at the upper part of the plate surface of the current collecting plate.

The embodiment is based on the conventional zinc polar plate and the conventional nickel polar plate with mature processes, and the structure is easy to realize.

Examples 2,

Designing a mosaic type battery pack, which comprises (n +1) collector electrode groups described in embodiment 1 and conventional material groove plates 3a, wherein the collector electrode groups and the conventional material groove plates are mosaic to form a series connection structure of n grooves 3, all the groove plates in the series connection direction of the grooves 3 are collector plates 1 of the collector electrode groups, and n is a positive integer greater than 2; wherein, one end of the cell 3 in series connection is the 2) type positive electrode group 2a used as a positive electrode, the other end of the cell in series connection is the 3) type negative electrode group 2b used as a negative electrode, the other electrode groups in the cell are bipolar electrode groups with different polarities on two sides of the plate surface of the 1 st) type in the embodiment 1, and the positive electrode group 2a and the negative electrode group 2b in the cell 3 are opposite in interval and opposite in polarity; the upper part of the groove grid is provided with an upper cover plate with a safety valve 4; the (n +1) collector electrode groups and the tank body form n embedded parts of the tank lattices, and the embedded parts are sealed by an impermeable sealing material; the cells may be filled with an AGM material that adsorbs the electrolyte.

The structure of the tabling battery pack of this embodiment is schematically shown in fig. 4, after the alkaline colloidal electrolyte is poured into the cells, the nominal operating voltage of the zinc-nickel electrode group in each cell is 1.65 v, a series voltage of 1.65n v is obtained at the two terminals of the tabling battery pack, and n is the number of the cells of the tabling battery pack.

The electrode plates of the zinc-nickel battery described in the present embodiment and the previous embodiments may be replaced with lead-acid battery electrode plates.

Examples 3,

A rigid shell 5 and a power interface 6 are added on the basis of the embodiment 2; the rigid case 5 is a steel hexahedral hollow body whose upper part and four sides are openable, rigidity and strength conform to ISO series 1 technical standards of a standard container, width is 1800mm, height is 2000mm, and length of the tabling battery pack according to example 2 is increased by 300 mm. The battery pack of example 2 was fixed inside a rigid case 5, and the two-pole terminals of the battery pack were electrically connected to a power supply interface 6 provided on the outer groove surface of the rigid case.

The structure of the embedded battery pack formed in this embodiment is schematically shown in fig. 7, and the embedded battery pack is fixed in a rigid shell, so that only a power interface is provided for a client, and the embedded battery pack is regarded as a 1.65 n-volt high-capacity zinc-nickel special power supply product when in use; because the rigidity and the strength of the rigid shell accord with the container standard, the rigid shell is convenient to hoist and mount, and can be used as a special power supply product to be integrally transported and can be used after being grounded and butted with a power supply interface. The power interface 6 arranged on the external groove surface of the rigid shell is simultaneously used as a charging input interface and a direct current discharging output interface.

Examples 4,

The rigid shell of the embodiment 3 is changed into a container with rigidity, strength and specification and volume meeting ISO series 1 technical standards, the width is 2438mm, the height is 2591mm and the length is 6058 mm; the width of the collector plate 1 of the collector type electrode group is changed into 2200mm, the height is 2300mm, the length is 5800mm, the installation structure is the same as or different from that of the embodiment 3, and a power supply interface electrically connected with two pole terminals is also provided for a client.

The embodiment can be regarded as a standardized transportation unit, and after the whole container is transported to a client, the container is used as an inherent component of the embedded battery pack and is not separated from the embedded battery pack fixed inside, so that the container is suitable for multi-mode combined transportation of logistics transportation, and is economical and practical; meanwhile, the rigid shell adopts a standardized container, so that a standardized basis can be provided for the client to select the product type, and the market popularization is promoted.

Examples 5,

The above-described embedded battery pack fixed inside the rigid case 5 may be provided with a ventilation window and/or a heat conductive heat sink selectively on the side surface and/or the upper portion of the rigid case 5 according to the application environment, or may be integrally fixed on the ground or below the ground level 8.

In this embodiment, the whole embedded battery pack of embodiment 3 is fixedly installed below the ground level 8, and a heat conduction type heat dissipation device is added, and the structure is schematically shown in fig. 9, wherein, a heat absorption plate 7a is arranged inside the rigid shell 5, a heat conduction pipe 7c passes through a special hole 5a at the lower part of the rigid shell 5, and two ends of the heat conduction pipe are respectively and fixedly connected with the heat absorption plate 7a and a heat dissipation plate 7 b; the heat dissipation plate 7b is arranged on an underground relative constant temperature soil layer, the inside of the rigid shell and the underground relative constant temperature soil layer can be fixedly connected into an isothermal system through heat conduction, and the heat dissipation effect is good.

Claims (8)

1. A collector type electrode group is characterized by comprising a collector plate (1) and a plurality of electrode plates; the collector plate (1) is of a plate-shaped structure, the appearance of the collector plate is not limited, the collector plate is made of a conductor material or is formed by a grid mesh of the conductor material and a solid forming material, and one side or two sides of the surface of the collector plate (1) are provided with a plurality of concave electrical interfaces comprising protruding ribs; the polar plate comprises a positive plate and a negative plate, and is formed by electrically and fixedly connecting an active substance with a current collector (2), the active substance and the combination type of the positive electrode and the negative electrode of the active substance are not limited, and the appearance of the polar plate is not limited; the collectors (2) of the plurality of polar plates are electrically and fixedly connected with the plate surface electric interfaces of the collector plates (1) to form a homopolar polar group positioned on one side of the plate surface or a positive electrode group (2a) and a negative electrode group (2b) respectively positioned on two sides of the plate surface.

2. A tabling battery pack based on the collector electrode group of claim 1, which is characterized by comprising (n +1) collector electrode groups of claim 1 and concave three-sided groove bodies made of conventional materials, and synthesizing n series structures of grooves (3), wherein n is the number of the grooves (3) which is more than or equal to 2; all the groove grids in the series direction of the groove grids (3) are collector type electrode groups, current collecting plates (1) at two ends are one sides of a plurality of electrode plates which are electrically fixedly connected with the plate surfaces and are used as two-pole terminals of the battery pack, and the other current collecting plates (1) are two sides of a plurality of same-polarity electrode plates which are electrically fixedly connected with the plate surfaces respectively; the positive electrode group (2a) and the negative electrode group (2b) in the groove grid (3) are opposite at intervals and have opposite polarities; the upper part of the cell (3) is provided with an upper cover plate and is selectively provided with a safety valve (4), and the cell (3) is filled with electrolyte and is selectively filled with an adsorption material.

3. The tabling battery pack according to claim 2, wherein the concave three-sided groove of the conventional material has a split combination structure.

4. The embedded battery pack according to claim 2, wherein the series connection structure of n cells (3) comprises an m x n cell (3) structure, and the current collecting plates (1) of adjacent cells (3) in the parallel connection direction are electrically connected or integrally designed; m is the number of the groove grids (3) with the parallel direction more than or equal to 2.

5. A chimeric battery according to claim 2, wherein said battery is fixed inside a rigid casing (5) or fixed to the ground; the rigid shell (5) is a multi-surface hollow body with at least one surface capable of being opened and closed, and two pole terminals of the battery pack are electrically connected with a power interface (6) arranged on the outer groove surface of the rigid shell (5).

6. A tabbed battery pack according to claim 5, characterised in that the rigid casing (5) is designed integrally with the concave three-sided groove of conventional material.

7. A chimeric battery pack according to claim 5, wherein said rigid case (5) is a container having strength, rigidity and specification meeting the international organization for standardization, national or regional technical standards.

8. A chimeric battery according to claim 5, wherein the rigid casing (5) is provided with ventilation windows or/and heat-conducting heat-dissipating means on its side or/and upper part; the heat conduction type heat dissipation device comprises a heat absorption plate (7a), a heat dissipation plate (7b) and a heat conduction pipe (7 c).

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