Novel solid-state battery

By employing high-capacity cells and high-strength materials, combined with a compact electrical structure design, the problems of large solid-state battery size and insufficient data feedback have been solved, achieving smaller size and more efficient discharge performance.

CN223884539UActive Publication Date: 2026-02-06TIANJIN LIWEI TECH CO LTD
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Patent Information

Application Number
CN202520009386.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-03
Publication Date
2026-02-06
Estimated Expiration
2035-01-03

AI Technical Summary

Technical Problem

Existing solid-state batteries are large in size and lack sufficient feedback data.

Method used

It adopts 500Ah high-capacity polymer cells, 7075-T6 aluminum alloy pressure plates and spliced ​​sheet metal shells, combined with electrical structure design, including 22 series and 1 parallel modules, motherboard, CMU48, switches, communication interfaces, pressure sampling boards and thin film sensors, to achieve high-strength pressure extrusion and compact battery pack design.

Benefits of technology

This resulted in a smaller battery pack size and weight, improved discharge efficiency, and ensured battery pack stability and real-time data feedback.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel solid-state battery which comprises trundles, a lower box body, an upper box body, an electrical management supporting plate and an electrical structure, the number of the trundles is multiple groups, the lower box body is arranged on the multiple groups of trundles, the upper box body is arranged on the lower box body, the electrical management supporting plate is arranged on the upper box body, and the electrical structure is arranged on the electrical management supporting plate. The electrical structure is arranged on the lower box body and the electrical management supporting plate and comprises a 22-series one-parallel module, a mainboard, a CMU48, a switch, a communication interface, a pressure sampling plate, a film sensor and a Hall sensor. The utility model relates to the field of battery design, in particular to a novel solid-state battery.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of battery design, specifically points to a novel solid state battery. BACKGROUND

[0002] Solid state battery is a kind of battery technology.Different from the lithium ion battery and lithium ion polymer battery commonly used at present, solid state battery is a kind of battery using solid electrode and solid electrolyte.

[0003] Since the scientific community considers that lithium ion battery has reached the limit, solid state battery is regarded as the battery that can inherit the position of lithium ion battery in recent years.Solid state lithium battery technology uses the vitrified compound made of lithium and sodium as conduction material, replaces the electrolyte of previous lithium battery, and greatly improves the energy density of lithium battery.

[0004] The density and structure have more charged ions gathered in one end, conduct greater current, and further improve battery capacity.Therefore, with the same electric quantity, the volume of solid state battery will become smaller.Moreover, since there is no electrolyte in solid state battery, sealing will become easier, and when used in large equipment such as automobile, it is not necessary to additionally increase cooling pipe, electronic control and the like, not only saving cost, but also effectively reducing weight.

[0005] To achieve higher discharge efficiency, smaller volume and fully understand the state of battery, the present design proposes a novel solid state battery. CONTENT OF UTILITY MODEL

[0006] The technical problem to be solved by the utility model is that the volume is not small enough and the feedback data is less.

[0007] In order to solve the above problems, the utility model discloses the technical scheme as follows: the utility model relates to a novel solid-state battery, including trundle, lower box, upper box, electrical management support plate and electrical structure, the trundle is equipped with multiple groups, the lower box is installed on multiple trundles, the upper box is installed on the lower box, the electrical management support plate is installed on the upper box, the electrical structure is installed on the lower box and the electrical management support plate, the electrical structure includes 22 string 1 parallel module, mainboard, CMU48, switch, communication interface, pressure sampling board, film sensor and hall sensor, 22 string 1 parallel module is installed on the lower box and the upper box, the mainboard is installed on the electrical management support plate and is electrically connected on 22 string 1 parallel module, the CMU48 is installed on the mainboard and is electrically connected with 22 string 1 parallel module, the switch is installed on the electrical management support plate and is electrically connected with the mainboard, the communication interface is installed on the electrical management support plate and is electrically connected with the mainboard, the pressure sampling board is installed on 22 string 1 parallel module and is electrically connected with the communication interface, the film sensor is installed on the pressure sampling board, the hall sensor is installed on the electrical management support plate and is connected in series between 22 string 1 parallel module and POW+.

[0008] Further, the mainboard is provided with a BMU management system module, the BMU management system module is electrically connected with the CMU48 through the SPI protocol, and the BMU management system module is electrically connected with the communication interface.

[0009] Further, the mainboard is provided with a voltage reduction module, and the voltage reduction module is electrically connected between the switch and the BMU management system module.

[0010] Further, the 22 string 1 parallel module uses single 500Ah high-capacity polymer cell.

[0011] Further, the film sensor is transmitted to the management system through the communication interface.

[0012] Preferably, the CMU48 refers to a specific model in a power distribution system simulation model, the model contains 48 nodes, and is based on actual construction.

[0013] Preferably, the film sensor can be transmitted to the management system through the acquisition board to display the internal temperature and pressure information of the single battery, and is provided with a temperature measuring resistance, the resistance value change of the temperature sensing part is converted into a voltage change that can be detected by the system, and after amplification, is input into the MCU with integrated ADC function to carry out analog-digital conversion to obtain the temperature value. The pressure sensing part collects the capacitance value change, and transmits to the AMCU to convert into the corresponding pressure value, and the AMCU is communicated to the upper computer through RS485 to realize real-time observation of temperature and pressure change.

[0014] The utility model discloses the beneficial effects achieved by the above structure are as follows:

[0015] 1. The electric core adopts a single 500 Ah high-capacity polymer electric core to achieve higher discharge efficiency. After the combination of the electric core, high-strength pressure transverse extrusion is required, and the pressure plate used is 7075-T6 aluminum alloy. This aluminum alloy has high strength, high hardness, good mechanical properties and corrosion resistance, so that the battery pack can maintain stronger strength during extrusion and better control the overall volume and weight of the battery pack to ensure the design requirements: module weight ≤ 200 kg, module volume ≤ 100 L, and volume specific energy ≥ 400 Wh / L.

[0016] 2. The shell adopts a spliced sheet metal shell, so that the space of the battery pack is more compact. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 a schematic diagram of the overall structure of a novel solid-state battery is provided for the utility model;

[0018] Fig. 2 a schematic diagram of the overall structure of a novel solid-state battery is provided for the utility model;

[0019] Fig. 3 a schematic diagram of the overall structure of a novel solid-state battery is provided for the utility model;

[0020] Among them, 1, the caster, 2, the lower box body, 3, the upper box body, 4, the electrical management support plate, 5, the electrical structure, 6, 22 strings 1 parallel module, 7, the mainboard, 8, the switch, 9, the communication interface, 10, the pressure sampling plate, 11, the hall sensor. DETAILED DESCRIPTION

[0021] As described in the specification Figs. 1-3As shown, the utility model is a kind of novel solid-state battery, including caster 1, lower box 2, upper box 3, electrical management tray 4 and electrical structure 5, caster 1 is equipped with multiple groups, lower box 2 is installed on multiple groups caster 1, upper box 3 is installed on lower box 2, electrical management tray 4 is installed on upper box 3, electrical structure 5 is located on lower box 2 and electrical management tray 4, electrical structure 5 includes 22 string 1 parallel module 6, mainboard 7, CMU48, switch 8, communication interface 9, pressure sampling board 10, thin film sensor and hall sensor 11, 22 string 1 parallel module 6 is installed on lower box 2 and upper box 3, mainboard 7 is installed on electrical management tray 4 and is electrically connected on 22 string 1 parallel module 6, CMU48 is installed on mainboard 7 and is electrically connected with 22 string 1 parallel module 6, switch 8 is installed on electrical management tray 4 and is electrically connected with mainboard 7, communication interface 9 is installed on electrical management tray 4 and is electrically connected with mainboard 7, pressure sampling board 10 is installed on 22 string 1 parallel module 6 and is electrically connected with communication interface 9, thin film sensor is installed on pressure sampling board 10, hall sensor 11 is installed on electrical management tray 4 and is connected between 22 string 1 parallel module 6 and POW+.

[0022] As shown in the description Fig. 3 As shown, mainboard 7 is equipped with BMU management system module, and BMU management system module is electrically connected with CMU48 through SPI protocol, and BMU management system module is electrically connected with communication interface 9.

[0023] As shown in the description Fig. 3 As shown, mainboard 7 is equipped with voltage reduction module, and voltage reduction module is electrically connected between switch 8 and BMU management system module.

[0024] As shown in the description Fig. 3 As shown, 22 string 1 parallel module 6 uses single 500Ah high capacity polymer cell.

[0025] As shown in the description Fig. 3 As shown, thin film sensor is transmitted to management system through communication interface 9.

[0026] Specific use: each component is assembled, and various collection and control signals are transmitted through communication interface 9, and thin film sensor can be transmitted to management system through pressure sampling board 10 to display single battery internal temperature, pressure information, and temperature measuring resistance is provided.Switch 8 controls the opening and closing of the design, and lower box 2, upper box 3 and electrical management tray 4 protect 22 string 1 parallel module 6 and mainboard 7, and caster 1 is convenient to move.

[0027] It should be understood that although the present specification describes the embodiments in the form of a single independent technical solution, the specification is described in this way only for the sake of clarity, and the skilled person should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that the skilled person can understand.

Claims

1. A novel solid-state battery, characterized by: Including caster, lower box, upper box, electrical management tray and electrical structure, the caster is provided with multiple groups, the lower box is installed on the multiple groups of casters, the upper box is installed on the lower box, the electrical management tray is installed on the upper box, the electrical structure is arranged on the lower box and the electrical management tray, the electrical structure includes 22 strings 1 parallel module, mainboard, CMU48, switch, communication interface, pressure sampling board, film sensor and hall sensor, the 22 strings 1 parallel module is installed on the lower box and the upper box, the mainboard is installed on the electrical management tray and is electrically connected to the 22 strings 1 parallel module, the CMU48 is installed on the mainboard and is electrically connected to the 22 strings 1 parallel module, the switch is installed on the electrical management tray and is electrically connected to the mainboard, the communication interface is installed on the electrical management tray and is electrically connected to the mainboard, the pressure sampling board is installed on the 22 strings 1 parallel module and is electrically connected to the communication interface, the film sensor is installed on the pressure sampling board, and the hall sensor is installed on the electrical management tray and is connected in series between the 22 strings 1 parallel module and POW+.

2. A novel solid-state battery according to claim 1, characterized by: The mainboard is provided with a BMU management system module, the BMU management system module is electrically connected to the CMU48 through an SPI protocol, and the BMU management system module is electrically connected to the communication interface.

3. A novel solid-state battery according to claim 2, characterized by: The mainboard is provided with a voltage reduction module, and the voltage reduction module is electrically connected between the switch and the BMU management system module.

4. A novel solid state battery as claimed in claim 1, wherein: Single 500Ah high-capacity polymer cells are used in the 22 strings 1 parallel module.

5. A novel solid state battery as claimed in claim 1, wherein: The film sensor is transmitted to the management system through the communication interface.