Thermal-insulation fireproof material of lithium ion battery energy storage product and preparation method of thermal-insulation fireproof material

Abstract

The invention discloses a lithium ion battery energy storage product thermal insulation fireproof material and a preparation method thereof, the lithium ion battery energy storage product thermal insulation fireproof material comprises 20-40% of a foam material, 12-22% of a polyurethane material, 12-22% of an aerogel material, 10-20% of an organosilicon temperature resistant coating, 10-20% of an epoxy resin material, 10-20% of a thermal insulation fireproof composite material, 10-20% of an accelerator and 10-20% of a surface smoothing agent. The proportion of the aerogel material is 12-24%, and the proportion of the organic silicon temperature-resistant coating is 12-18%. According to the thermal-insulation fireproof material for the energy storage product of the lithium ion battery and the preparation method of the thermal-insulation fireproof material, the foam material, the polyurethane material, the aerogel material, the organic silicon temperature-resistant coating, the epoxy resin material, the thermal-insulation fireproof composite material, the accelerator and the surface smoothing agent are mixed and molded, so that the fireproof grade is higher, the preparation steps are relatively simple, and the thermal-insulation fireproof material is suitable for industrial production. The material is easy to collect, the preparation cost is reduced, the thermal insulation effect of the material is improved, rapid forming can be realized, and the preparation efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of heat-insulating and fire-proof material preparation, and in particular to a heat-insulating and fire-proof material for a lithium-ion battery energy storage product and a preparation method thereof. Background Art

[0002] Thermal insulation and fireproof materials for lithium-ion battery energy storage products are materials for fireproof and heat-insulating lithium-ion battery products. They can be used for the safety protection of lithium-ion battery energy storage products. They have good adhesion, sound insulation, Class A flame retardancy and environmental protection. With the continuous expansion of the application field of energy storage equipment and the increase in demand, the requirements for safety and reliability are also getting higher and higher. Therefore, studying the fireproof and heat-insulating properties of energy storage materials, as well as the corresponding application and testing requirements, will provide key technical support and guidance for energy storage equipment manufacturers to help them meet market demand.

[0003] The existing thermal insulation and fireproof materials for lithium-ion battery energy storage products have certain disadvantages when used. First, the fireproof and heat-insulating effects of the existing thermal insulation and fireproof materials for lithium-ion battery energy storage products cannot meet the requirements well when used, and the thermal insulation effect is poor, which is not conducive to people's use. In addition, the preparation of the existing thermal insulation and fireproof materials for lithium-ion battery energy storage products is relatively troublesome, which brings certain adverse effects to people's use process. For this reason, we propose a thermal insulation and fireproof material for lithium-ion battery energy storage products and a preparation method thereof. Summary of the invention

[0004] Technical problem to be solved: In view of the shortcomings of the prior art, the present invention provides a thermal insulation and fireproof material for a lithium-ion battery energy storage product and a preparation method thereof. Foam material, polyurethane material, aerogel material, silicone heat-resistant coating, epoxy resin material, thermal insulation and fireproof composite material, accelerator and surface lubricant are mixed and formed. The fireproof grade is higher, the preparation steps are relatively simple, the materials are easy to collect, the preparation cost is reduced, the thermal insulation effect of the material is increased, it can be quickly formed, and the preparation efficiency is improved, which can effectively solve the problems in the background technology.

[0005] Technical solution: To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a thermal insulation and fireproof material for a lithium-ion battery energy storage product, comprising a foam material, a polyurethane material, an aerogel material, a silicone heat-resistant coating, an epoxy resin material, a thermal insulation and fireproof composite material, an accelerator and a surface lubricant, wherein the share of the foam material is 20-40%, the share of the polyurethane material is 12-22%, the share of the aerogel material is 12-24%, the share of the silicone heat-resistant coating is 12-18%, the share of the epoxy resin material is 4-10%, the share of the thermal insulation and fireproof composite material is 4-9%, the share of the accelerator is 3-9%, and the share of the surface lubricant is 3-9%.

[0006] As a preferred technical solution of the present application, the share of the foam material is 25%, the share of the polyurethane material is 18%, the share of the aerogel material is 18%, the share of the silicone heat-resistant coating is 15%, the share of the epoxy resin material is 7%, the share of the thermal insulation and fire-proof composite material is 6%, the share of the accelerator is 6%, and the share of the surface smoothener is 5%.

[0007] As a preferred technical solution of the present application, the share of the foam material is 35%, the share of the polyurethane material is 15, the share of the aerogel material is 15%, the share of the silicone heat-resistant coating is 15%, the share of the epoxy resin material is 5%, the share of the thermal insulation and fire-proof composite material is 5%, the share of the accelerator is 5%, and the share of the surface smoothener is 5%.

[0008] As a preferred technical solution of the present application, the thermal insulation and fireproof composite material includes polyethylene bubble material, aerogel powder particles, ceramic powder, thickening material, stabilizer and mixing agent.

[0009] As a preferred technical solution of the present application, the share of the polyethylene bubble material is 35-50%, the share of the aerogel powder particles is 10-20%, the share of the ceramic powder is 10-20%, the share of the thickening material is 10-20%, the share of the stabilizer is 5-12%, and the share of the mixing agent is 5-12%.

[0010] As a preferred technical solution of the present application, the share of the polyethylene bubble material is 35%, the share of the aerogel powder particles is 18%, the share of the ceramic powder is 18%, the share of the thickening material is 14%, the share of the stabilizer is 7%, and the share of the mixing agent is 8%.

[0011] As a preferred technical solution of the present application, the share of the polyethylene bubble material is 45%, the share of the aerogel powder particles is 16%, the share of the ceramic powder is 16%, the share of the thickening material is 12%, the share of the stabilizer is 5%, and the share of the mixing agent is 6%.

[0012] A method for preparing a thermal insulation and fireproof material for a lithium-ion battery energy storage product comprises the following steps:

[0013] S1: Material preparation: Prepare the materials needed for the preparation of thermal insulation and fireproof materials, including foam materials, polyurethane materials, aerogel materials, silicone heat-resistant coatings, epoxy resin materials, thermal insulation and fireproof composite materials, accelerators and surface lubricants;

[0014] S2: Preparation of thermal insulation and fireproof composite material: prepare a certain amount of polyethylene bubble material, aerogel powder particles, ceramic powder, thickening material, stabilizer and mixing agent, add them in proportion and stir at high speed to make a thermal insulation and fireproof composite material;

[0015] S3: Mixing of materials: Foam material, polyurethane material, aerogel material, silicone heat-resistant coating, epoxy resin material, thermal insulation and fire-proof composite material and accelerator are introduced into the stirring device in sequence according to the proportion, and after the introduction, high-speed stirring is performed and high-temperature heating is performed to melt;

[0016] S4: Material impregnation: The mixed molten materials are introduced into the surface smoothing agent for impregnation, and the materials are allowed to fully impregnate for a period of time and then cooled;

[0017] S5: Material forming: Put the impregnated material into a drying room and bake it at 60-80℃ for 5-10 minutes. After it is completely dried, it is made into a heat-insulating and fire-proof material.

[0018] Beneficial effects: Compared with the prior art, the present invention provides a thermal insulation and fireproof material for a lithium-ion battery energy storage product and a preparation method thereof, which have the following beneficial effects: the thermal insulation and fireproof material for a lithium-ion battery energy storage product and a preparation method thereof, the foam material, polyurethane material, aerogel material, silicone heat-resistant coating, epoxy resin material, thermal insulation and fireproof composite material, accelerator and surface lubricant are mixed and molded, the fireproof grade is higher, the preparation steps are relatively simple, the materials are easy to collect, the preparation cost is reduced, the thermal insulation and heat preservation effect of the material is increased, it can be quickly molded, and the preparation efficiency is improved. The thermal insulation and fireproof material of the entire lithium-ion battery energy storage product has a simple structure, is easy to operate, and the effect of use is better than that of the traditional method. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The present invention is a schematic diagram of the overall process of a thermal insulation and fireproof material for a lithium-ion battery energy storage product and a preparation method thereof. DETAILED DESCRIPTION

[0020] The technical scheme of the present invention will be clearly and completely described below in conjunction with the accompanying drawings and specific embodiments, but it will be understood by those skilled in the art that the following described embodiments are part of embodiments of the present invention, rather than all embodiments, and are only used to illustrate the present invention, and should not be considered as limiting the scope of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative work are within the scope of protection of the present invention. If specific conditions are not specified in the embodiments, they are carried out according to normal conditions or conditions recommended by the manufacturer. If the manufacturer is not specified in the reagents or instruments used, they are all conventional products that can be purchased commercially.

[0021] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] Embodiment 1:

[0024] A thermal insulation and fireproof material for a lithium-ion battery energy storage product, comprising a foam material, a polyurethane material, an aerogel material, a silicone heat-resistant coating, an epoxy resin material, a thermal insulation and fireproof composite material, an accelerator and a surface lubricant, wherein the share of the foam material is 20-40%, the share of the polyurethane material is 12-22%, the share of the aerogel material is 12-24%, the share of the silicone heat-resistant coating is 12-18%, the share of the epoxy resin material is 4-10%, the share of the thermal insulation and fireproof composite material is 4-9%, the share of the accelerator is 3-9%, and the share of the surface lubricant is 3-9%.

[0025] Furthermore, the share of foam materials is 25%, the share of polyurethane materials is 18%, the share of aerogel materials is 18%, the share of silicone heat-resistant coatings is 15%, the share of epoxy resin materials is 7%, the share of thermal insulation and fire-proof composite materials is 6%, the share of accelerators is 6%, and the share of surface smootheners is 5%.

[0026] Furthermore, the thermal insulation and fireproof composite material includes polyethylene bubble material, aerogel powder particles, ceramic powder, thickening material, stabilizer and mixing agent.

[0027] Further, the proportion of polyethylene bubble material is 35-50%, the proportion of aerogel powder particles is 10-20%, the proportion of ceramic powder is 10-20%, the proportion of thickening material is 10-20%, the proportion of stabilizer is 5-12%, and the proportion of mixing agent is 5-12%.

[0028] Further, the share of polyethylene bubble material is 35%, the share of aerogel powder particles is 18%, the share of ceramic powder is 18%, the share of thickening material is 14%, the share of stabilizer is 7%, and the share of mixing agent is 8%.

[0029] Embodiment 2:

[0030] A thermal insulation and fireproof material for a lithium-ion battery energy storage product, comprising a foam material, a polyurethane material, an aerogel material, a silicone heat-resistant coating, an epoxy resin material, a thermal insulation and fireproof composite material, an accelerator and a surface lubricant, wherein the share of the foam material is 20-40%, the share of the polyurethane material is 12-22%, the share of the aerogel material is 12-24%, the share of the silicone heat-resistant coating is 12-18%, the share of the epoxy resin material is 4-10%, the share of the thermal insulation and fireproof composite material is 4-9%, the share of the accelerator is 3-9%, and the share of the surface lubricant is 3-9%.

[0031] Furthermore, the share of foam materials is 35%, the share of polyurethane materials is 15, the share of aerogel materials is 15%, the share of silicone heat-resistant coatings is 15%, the share of epoxy resin materials is 5%, the share of thermal insulation and fire-proof composite materials is 5%, the share of accelerators is 5%, and the share of surface smootheners is 5%.

[0032] Furthermore, the thermal insulation and fireproof composite material includes polyethylene bubble material, aerogel powder particles, ceramic powder, thickening material, stabilizer and mixing agent.

[0033] Further, the proportion of polyethylene bubble material is 35-50%, the proportion of aerogel powder particles is 10-20%, the proportion of ceramic powder is 10-20%, the proportion of thickening material is 10-20%, the proportion of stabilizer is 5-12%, and the proportion of mixing agent is 5-12%.

[0034] Further, the share of polyethylene bubble material is 45%, the share of aerogel powder particles is 16%, the share of ceramic powder is 16%, the share of thickening material is 12%, the share of stabilizer is 5%, and the share of mixing agent is 6%.

[0035] Embodiment 3:

[0036] A thermal insulation and fireproof material for a lithium-ion battery energy storage product, comprising a foam material, a polyurethane material, an aerogel material, a silicone heat-resistant coating, an epoxy resin material, a thermal insulation and fireproof composite material, an accelerator and a surface lubricant, wherein the share of the foam material is 20-40%, the share of the polyurethane material is 12-22%, the share of the aerogel material is 12-24%, the share of the silicone heat-resistant coating is 12-18%, the share of the epoxy resin material is 4-10%, the share of the thermal insulation and fireproof composite material is 4-9%, the share of the accelerator is 3-9%, and the share of the surface lubricant is 3-9%.

[0037] Furthermore, the share of foam materials is 25%, the share of polyurethane materials is 18%, the share of aerogel materials is 18%, the share of silicone heat-resistant coatings is 15%, the share of epoxy resin materials is 7%, the share of thermal insulation and fire-proof composite materials is 6%, the share of accelerators is 6%, and the share of surface smootheners is 5%.

[0038] Furthermore, the thermal insulation and fireproof composite material includes polyethylene bubble material, aerogel powder particles, ceramic powder, thickening material, stabilizer and mixing agent.

[0039] Further, the proportion of polyethylene bubble material is 35-50%, the proportion of aerogel powder particles is 10-20%, the proportion of ceramic powder is 10-20%, the proportion of thickening material is 10-20%, the proportion of stabilizer is 5-12%, and the proportion of mixing agent is 5-12%.

[0040] Further, the share of polyethylene bubble material is 45%, the share of aerogel powder particles is 16%, the share of ceramic powder is 16%, the share of thickening material is 12%, the share of stabilizer is 5%, and the share of mixing agent is 6%.

[0041] Embodiment 4:

[0042] A thermal insulation and fireproof material for a lithium-ion battery energy storage product, comprising a foam material, a polyurethane material, an aerogel material, a silicone heat-resistant coating, an epoxy resin material, a thermal insulation and fireproof composite material, an accelerator and a surface lubricant, wherein the share of the foam material is 20-40%, the share of the polyurethane material is 12-22%, the share of the aerogel material is 12-24%, the share of the silicone heat-resistant coating is 12-18%, the share of the epoxy resin material is 4-10%, the share of the thermal insulation and fireproof composite material is 4-9%, the share of the accelerator is 3-9%, and the share of the surface lubricant is 3-9%.

[0043] Furthermore, the share of foam materials is 35%, the share of polyurethane materials is 15, the share of aerogel materials is 15%, the share of silicone heat-resistant coatings is 15%, the share of epoxy resin materials is 5%, the share of thermal insulation and fire-proof composite materials is 5%, the share of accelerators is 5%, and the share of surface smootheners is 5%.

[0044] Furthermore, the thermal insulation and fireproof composite material includes polyethylene bubble material, aerogel powder particles, ceramic powder, thickening material, stabilizer and mixing agent.

[0045] Further, the proportion of polyethylene bubble material is 35-50%, the proportion of aerogel powder particles is 10-20%, the proportion of ceramic powder is 10-20%, the proportion of thickening material is 10-20%, the proportion of stabilizer is 5-12%, and the proportion of mixing agent is 5-12%.

[0046] Further, the share of polyethylene bubble material is 35%, the share of aerogel powder particles is 18%, the share of ceramic powder is 18%, the share of thickening material is 14%, the share of stabilizer is 7%, and the share of mixing agent is 8%.

[0047]

[0048]

[0049] The foam material, polyurethane material, aerogel material, silicone heat-resistant coating, epoxy resin material, thermal insulation and fireproof composite material, accelerator and surface lubricant are mixed and molded. The fireproof grade is higher, the preparation steps are relatively simple, the materials are easy to collect, the preparation cost is reduced, the thermal insulation effect of the material is increased, and it can be quickly molded to improve the preparation efficiency.

[0050] like Figure 1 As shown, a method for preparing a thermal insulation and fireproof material for a lithium-ion battery energy storage product comprises the following steps:

[0051] S1: Material preparation: Prepare the materials needed for the preparation of thermal insulation and fireproof materials, including foam materials, polyurethane materials, aerogel materials, silicone heat-resistant coatings, epoxy resin materials, thermal insulation and fireproof composite materials, accelerators and surface lubricants;

[0052] S2: Preparation of thermal insulation and fireproof composite material: prepare a certain amount of polyethylene bubble material, aerogel powder particles, ceramic powder, thickening material, stabilizer and mixing agent, add them in proportion and stir at high speed to make a thermal insulation and fireproof composite material;

[0053] S3: Mixing of materials: Foam material, polyurethane material, aerogel material, silicone heat-resistant coating, epoxy resin material, thermal insulation and fire-proof composite material and accelerator are introduced into the stirring device in sequence according to the proportion, and after the introduction, high-speed stirring is performed and high-temperature heating is performed to melt;

[0054] S4: Material impregnation: The mixed molten materials are introduced into the surface smoothing agent for impregnation, and the materials are allowed to fully impregnate for a period of time and then cooled;

[0055] S5: Material forming: The impregnated material is placed in a drying room and baked at 70°C for 8 minutes. After it is completely dried, it is made into a heat-insulating and fire-proof material.

[0056] It should be noted that, in this article, relational terms such as first and second (number one, number two), etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0057] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A thermal insulation and fireproof material for lithium-ion battery energy storage products, comprising foam material, polyurethane material, aerogel material, silicone heat-resistant coating, epoxy resin material, thermal insulation and fireproof composite material, accelerator and surface lubricant, characterized in that: The share of the foam material is 20-40%, the share of the polyurethane material is 12-22%, the share of the aerogel material is 12-24%, the share of the silicone heat-resistant coating is 12-18%, the share of the epoxy resin material is 4-10%, the share of the thermal insulation and fireproof composite material is 4-9%, the share of the accelerator is 3-9%, and the share of the surface smoothener is 3-9%.

2. The thermal insulation and fireproof material for lithium-ion battery energy storage products according to claim 1, characterized in that: The share of the foam material is 25%, the share of the polyurethane material is 18%, the share of the aerogel material is 18%, the share of the silicone heat-resistant coating is 15%, the share of the epoxy resin material is 7%, the share of the thermal insulation and fire-proof composite material is 6%, the share of the accelerator is 6%, and the share of the surface smoothener is 5%.

3. The thermal insulation and fireproof material for lithium-ion battery energy storage products according to claim 1, characterized in that: The share of the foam material is 35%, the share of the polyurethane material is 15, the share of the aerogel material is 15%, the share of the silicone heat-resistant coating is 15%, the share of the epoxy resin material is 5%, the share of the thermal insulation and fireproof composite material is 5%, the share of the accelerator is 5%, and the share of the surface smoothener is 5%.

4. The thermal insulation and fireproof material for lithium-ion battery energy storage products according to claim 1, characterized in that: The thermal insulation and fireproof composite material comprises polyethylene bubble material, aerogel powder particles, ceramic powder, thickening material, stabilizer and mixing agent.

5. The thermal insulation and fireproof material for lithium-ion battery energy storage products according to claim 4, characterized in that: The proportion of the polyethylene bubble material is 35-50%, the proportion of the aerogel powder particles is 10-20%, the proportion of the ceramic powder is 10-20%, the proportion of the thickening material is 10-20%, the proportion of the stabilizer is 5-12%, and the proportion of the mixing agent is 5-12%.

6. The thermal insulation and fireproof material for lithium-ion battery energy storage products according to claim 4, characterized in that: The proportion of the polyethylene bubble material is 35%, the proportion of the aerogel powder particles is 18%, the proportion of the ceramic powder is 18%, the proportion of the thickening material is 14%, the proportion of the stabilizer is 7%, and the proportion of the mixing agent is 8%.

7. The thermal insulation and fireproof material for lithium-ion battery energy storage products according to claim 4, characterized in that: The proportion of the polyethylene bubble material is 45%, the proportion of the aerogel powder particles is 16%, the proportion of the ceramic powder is 16%, the proportion of the thickening material is 12%, the proportion of the stabilizer is 5%, and the proportion of the mixing agent is 6%.

8. A method for preparing a thermal insulation and fireproof material for a lithium-ion battery energy storage product, characterized in that: The steps include: S1: Material preparation: Prepare the materials needed for the preparation of thermal insulation and fireproof materials, including foam materials, polyurethane materials, aerogel materials, silicone heat-resistant coatings, epoxy resin materials, thermal insulation and fireproof composite materials, accelerators and surface lubricants; S2: Preparation of thermal insulation and fireproof composite material: prepare a certain amount of polyethylene bubble material, aerogel powder particles, ceramic powder, thickening material, stabilizer and mixing agent, add them in proportion and stir at high speed to make a thermal insulation and fireproof composite material; S3: Mixing of materials: Foam material, polyurethane material, aerogel material, silicone heat-resistant coating, epoxy resin material, thermal insulation and fire-proof composite material and accelerator are introduced into the stirring device in sequence according to the proportion, and after the introduction, high-speed stirring is performed and high-temperature heating is performed to melt; S4: Material impregnation: The mixed molten materials are introduced into the surface smoothing agent for impregnation, and the materials are allowed to fully impregnate for a period of time and then cooled; S5: Material forming: Put the impregnated material into a drying room and bake it at 60-80℃ for 5-10 minutes. After it is completely dried, it is made into a heat-insulating and fire-proof material.

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