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CN112776427A - Carbon-carbon composite material battery protection board - Google Patents

Carbon-carbon composite material battery protection board Download PDF

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Publication number
CN112776427A
CN112776427A CN201911094029.XA CN201911094029A CN112776427A CN 112776427 A CN112776427 A CN 112776427A CN 201911094029 A CN201911094029 A CN 201911094029A CN 112776427 A CN112776427 A CN 112776427A
Authority
CN
China
Prior art keywords
carbon
carbon composite
battery protection
layer
composite material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911094029.XA
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Chinese (zh)
Inventor
黄湛明
陈敬业
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Zhongde New Material Technology Co ltd
Original Assignee
Hunan Zhongde New Material Technology Co ltd
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Publication date
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Priority to CN201911094029.XA priority Critical patent/CN112776427A/en
Publication of CN112776427A publication Critical patent/CN112776427A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/245—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it being a foam layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/20—Inorganic coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/021—Fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—Synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/105—Ceramic fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/106—Carbon fibres, e.g. graphite fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/12—Gel
    • B32B2266/126—Aerogel, i.e. a supercritically dried gel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B32B2457/10—Batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Abstract

The invention provides a carbon-carbon composite battery protection board which comprises an intermediate aerogel layer, non-woven fabric layers arranged on two sides of the aerogel layer, ceramic material layers arranged on two sides of the non-woven fabric layers, carbon-carbon composite material layers arranged on two sides of the ceramic material layers, and protective coatings arranged on two sides of the carbon-carbon composite material layers. Compared with the prior art, the carbon-carbon composite battery protection plate provided by the invention has the advantages of high strength, strong impact resistance and stable structure.

Description

Carbon-carbon composite material battery protection board
Technical Field
The invention relates to the technical field of batteries, in particular to a battery protection plate made of a carbon-carbon composite material.
Background
The carbon-carbon composite material plate is an important high-temperature structural material, wherein the high-temperature carbon-carbon composite material has comprehensive excellent characteristics of low specific gravity, high specific strength, high specific modulus, low thermal expansion coefficient and the like, and has an application prospect incomparable with other high-molecular composite materials and metal materials in the application environment of the high-temperature structural material. Explosion caused by the overheating expansion of the battery during the use of the battery is a problem to be considered for the safe use of the battery.
Therefore, there is a need to provide a novel carbon-carbon composite battery protection plate to overcome the above-mentioned drawbacks.
Disclosure of Invention
The invention aims to provide a novel battery protection plate made of carbon-carbon composite material, which has high strength, strong impact resistance and stable structure.
In order to achieve the above object, the present invention provides a carbon-carbon composite battery protection plate, which includes an intermediate aerogel layer, non-woven fabric layers disposed on both sides of the aerogel layer, ceramic material layers disposed on both sides of the non-woven fabric layers, carbon-carbon composite material layers disposed on both sides of the ceramic material layers, and protective coatings disposed on both sides of the carbon-carbon composite material layers.
Further, the carbon-carbon composite material layer is a three-dimensional woven carbon-carbon composite material plate.
Further, the ceramic material layer adopts ceramic fiber.
Further, the protective coating adopts a tungsten carbide layer.
Further, the ceramic fiber is a mixture of at least two of silicon carbide fiber, alumina fiber, boron carbide fiber and boron nitride fiber.
Compared with the prior art, the carbon-carbon composite battery protection board disclosed by the invention adopts the aerogel layer, the aerogel layer has strong impact resistance and good heat resistance, the carbon-carbon composite material has strong impact resistance and heat conduction resistance, the structural performance of the battery protection board can be greatly improved by matching the two layers, the ceramic material can enhance the tolerance performance and the structural strength, and the protective coating can reduce and improve the impact resistance.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts, wherein:
fig. 1 is a schematic view of the overall structure of a carbon-carbon composite battery protection plate according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a carbon-carbon composite battery protection plate, which includes an intermediate aerogel layer 1, a non-woven fabric layer 2 disposed on two sides of the aerogel layer 1, a ceramic material layer 3 disposed on two sides of the non-woven fabric layer 2, a carbon-carbon composite material layer 4 disposed on two sides of the ceramic material layer 3, and a protective coating 5 disposed on two sides of the carbon-carbon composite material layer 4.
A battery refers to a device that converts chemical energy into electrical energy in a portion of the space of a cup, tank, or other container or composite container that holds an electrolyte solution and metal electrodes to produce an electrical current. Such as solar cells, lithium ion cells, dry cells, etc. The battery is used as an energy source, can obtain current which has stable voltage and current, is stably supplied for a long time and is slightly influenced by the outside, has simple structure, convenient carrying, simple and easy charging and discharging operation, is not influenced by the outside climate and temperature, has stable and reliable performance, and plays a great role in various aspects of modern social life.
The lithium ion battery is one of the batteries widely used at present, and the safety problem of the lithium ion battery is caused by the fact that the internal temperature of the battery is continuously increased due to the thermal runaway of the internal part of the battery and the continuous accumulation of heat, and the external appearance of the lithium ion battery is the violent energy release phenomena such as combustion, explosion and the like.
In the use process of the lithium ion battery, the probability of occurrence of the hazard event is reduced, materials with excellent chemical stability and thermal stability are selected from main components such as anode and cathode materials, electrolyte, isolating membranes and the like, the material has good flame retardant property, and when the inducement of internal and external thermal runaway occurs, the heat productivity of internal side reaction is reduced, or the material has high ignition temperature, so that the thermal runaway phenomenon is avoided; meanwhile, on the design of the battery structure and the shell and on the material, the structural stability needs to be fully considered, enough mechanical strength is achieved, external stress can be resisted, and the internal part is ensured not to be obviously deformed.
Carbon-carbon composites are carbon matrix composites reinforced with carbon fibers and fabrics thereof. The high-strength high-thermal-conductivity high-strength high-specific-modulus high-thermal-conductivity low-expansion-coefficient high-friction-performance high-thermal-shock-resistance high-dimensional-stability high-performance high-strength high-thermal-resistance high-performance high-strength high-thermal-resistance high-performance high-strength.
The carbon-carbon composite material layer is a three-dimensional woven carbon-carbon composite material plate. The three-dimensional woven carbon-carbon composite plate is manufactured by the following method: s1 preparing a prefabricated body, namely taking a three-way woven carbon felt as the prefabricated body; s2, dipping, namely putting the prefabricated body into dipping resin, carrying out vacuum dipping for 2-5H, and heating and curing for 3-6H; and S3, carbonizing at high temperature and graphitizing to obtain the carbon-carbon composite material. The impregnating resin adopts boron phenolic resin.
The aerogel is a porous and disordered low-density material with a nano-scale continuous network structure, is firm and durable, has strong pressure resistance, inhibits the contribution of gas molecules to heat conduction by nano-micropores, and has low heat conduction performance. Preferably, the invention adopts the silicon aerogel, and the fine nano-network structure of the silicon aerogel effectively limits the propagation of local thermal excitation.
The non-woven fabrics layer mainly plays a buffering role, and the ceramic material layer has the effect of enhancing the strength of the carbon-carbon composite battery protection board and further improves the pressure resistance.
The ceramic material layer adopts ceramic fiber. The ceramic fiber is prepared by mixing at least two of silicon carbide fiber, alumina fiber, boron carbide fiber and boron nitride fiber.
The protective coating adopts a tungsten carbide layer. The tungsten carbide can further improve the anti-explosion performance of the battery protection plate.
Compared with the prior art, the carbon-carbon composite battery protection board disclosed by the invention adopts the aerogel layer, the aerogel layer has strong impact resistance and good heat resistance, the carbon-carbon composite material has strong impact resistance and heat conduction resistance, the structural performance of the battery protection board can be greatly improved by matching the two layers, the ceramic material can enhance the tolerance performance and the structural strength, and the protective coating can reduce and improve the impact resistance.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (5)

1. The utility model provides a carbon-carbon composite battery protection shield which characterized in that, includes middle aerogel layer, sets up the non-woven fabrics layer in aerogel layer both sides, sets up the ceramic material layer in non-woven fabrics layer both sides, sets up the carbon-carbon composite material layer in ceramic material layer both sides, sets up the protective coating in carbon-carbon composite material layer both sides.
2. The carbon-carbon composite battery protection sheet according to claim 1, wherein the carbon-carbon composite material layer is a three-dimensional woven carbon-carbon composite material sheet.
3. The carbon-carbon composite battery protection sheet according to claim 1, wherein the ceramic material layer is made of ceramic fibers.
4. The carbon-carbon composite battery protection sheet as claimed in claim 1, wherein the protective coating layer employs a tungsten carbide layer.
5. The carbon-carbon composite battery protection sheet according to claim 3, wherein the ceramic fiber is a mixture of at least two of silicon carbide fiber, alumina fiber, boron carbide fiber, and boron nitride fiber.
CN201911094029.XA 2019-11-11 2019-11-11 Carbon-carbon composite material battery protection board Pending CN112776427A (en)

Priority Applications (1)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130189561A1 (en) * 2012-01-19 2013-07-25 Samsung Sdi Co., Ltd. Reinforcing material for battery cell and battery cell including the same
CN103723269A (en) * 2013-09-11 2014-04-16 太仓派欧技术咨询服务有限公司 Thermal protection structure
CN103727358A (en) * 2013-09-11 2014-04-16 太仓派欧技术咨询服务有限公司 Thermal insulation material structure capable of reaching low temperature
CN204230324U (en) * 2014-11-13 2015-03-25 嘉兴启晟碳材料有限公司 A kind of high-strength high temperature-resistant flame protection device of batteries of electric automobile
WO2019189850A1 (en) * 2018-03-30 2019-10-03 三菱ケミカル株式会社 Partition member and assembled battery

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130189561A1 (en) * 2012-01-19 2013-07-25 Samsung Sdi Co., Ltd. Reinforcing material for battery cell and battery cell including the same
CN103723269A (en) * 2013-09-11 2014-04-16 太仓派欧技术咨询服务有限公司 Thermal protection structure
CN103727358A (en) * 2013-09-11 2014-04-16 太仓派欧技术咨询服务有限公司 Thermal insulation material structure capable of reaching low temperature
CN204230324U (en) * 2014-11-13 2015-03-25 嘉兴启晟碳材料有限公司 A kind of high-strength high temperature-resistant flame protection device of batteries of electric automobile
WO2019189850A1 (en) * 2018-03-30 2019-10-03 三菱ケミカル株式会社 Partition member and assembled battery

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