Beijing Yitian Mica Technology Co., Ltd.
Beijing Yitian Mica Technology Co., Ltd.
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Mica insulation sheets are increasingly being used as a replacement for epoxy plates in lithium battery packs. Their exceptional fire resistance and thermal management properties enhance the safety and reliability of battery systems, making them a preferred choice for modern applications.
High Fire Resistance: Mica is naturally fire-resistant, significantly reducing the risk of combustion and thermal runaway, which are critical concerns in lithium battery applications.
Excellent Thermal Stability: Mica can withstand high temperatures without degradation, making it suitable for environments where heat is generated during charging and discharging cycles.
Superior Electrical Insulation: Mica sheets provide high dielectric strength, effectively preventing electrical shorts and ensuring the safe operation of battery components.
Chemical Resistance: Mica is resistant to battery electrolytes and other chemicals, enhancing the longevity and durability of the insulation.
Mechanical Strength: Mica sheets are robust and can withstand mechanical stresses, ensuring structural integrity in dynamic battery environments.
Lightweight: Mica insulation sheets are lightweight, contributing to the overall weight reduction of battery designs without compromising performance.
Insulation Between Cells: Mica sheets can be effectively used to insulate individual battery cells, preventing electrical shorts and enhancing safety.
Heat Shields: They act as heat barriers, protecting battery cells from excessive heat generated during operation, thus improving thermal management.
Structural Support: Mica sheets provide necessary structural support within the battery pack, securing cells and components in place.
Fire Barriers: Mica can serve as a reliable fire barrier, protecting adjacent cells from heat and flames in case of thermal events.
Thickness and Size: Select the appropriate thickness and dimensions of mica sheets based on the specific design requirements of the lithium battery pack.
Temperature Ratings: Ensure that the mica material can handle the maximum temperatures expected during battery operation.
Installation: Proper installation is critical to maximizing the effectiveness of the insulation and fire-resistant properties.
Mica insulation sheets are an excellent alternative to epoxy plates in lithium battery packs. Their high fire resistance, thermal stability, and superior electrical insulation enhance the safety and performance of lithium batteries, making them suitable for applications in electric vehicles, consumer electronics, and energy storage systems. By replacing epoxy with mica, manufacturers can improve the overall safety and security of lithium battery packs.
TDS
| Phlogopite mica sheet | ||
| HP5 | ||
| Properties | Description | Units |
| Color | Golden | / |
| Thickness | 1.5 | mm |
| Density | 1.6—2.5 | g/m² |
| Yield strength | ≥100 | Mpa |
| Dielectric strength | ≥15 | kv/mm |
| Resistivity | ≥1.0*10^10 | MΩ·m |
| moisture absorption | ≤1.5 | % |
| thermal conductivity | ≤0.4 | W/m·K |
| Flame retardance | V0 | / |
| Fire resistance | 1000℃ fire not burn through within 5 mins | / |
YT MICA fully implement the ISO 9001-2015 quality system operation,as a stan- dardization of internal management,strengthen the system building an important measure.A strict quality control system has been established,from raw materials, processes, finished products inspection,to ensure that every link in the production process is strictly in accordance with the standards for testing.
YT Mica has equipped with various fire-resistant testing devices and can assist customers in developing fire-resistant cable products according to different standards of various countries, providing one-stop solution service.
1. According to different requirements, we have compiled a total of 64 testing items for mica products, including physical properties, electrical properties, thermal properties, aging properties, and flame retardant properties, which basically cover all the requirements for mica performance testing;
2. At present, YT MICA is capable to detect 50 items of the testings and provide theoretical support quickly for different application scenarios of mica products.
Yitian Mica has obtained 5 invention patents, 21 practical patents, 20 software registration rights, and 3 trademarks. More intellectual property rights has been applied for verification.
YTMICA 5 invention patents:
a mica insulation material for battery cells and its processing & application.
a squeeze-resistant fireproof mica tape for power batteries and its processing & application.
high-temperature resistant mica tape & mica thermal insulation parts and their production methods.
a processing method for fire-resistant mica tape.
a fire-resistant insulation tape for optical cables.
System certifications obtained:
ISO9001 Quality Management System Certificate
ISO14001 Environmental Management System Certificate
ISO45001 Certificate of Occupational Health&Safety Management
IATF 16949 Quality Management System certificate
SA8000 Social Responsibility Management System Certificate
YT Mica has a dedicated R&D department working on innovations and the development of your projects. It is our longstanding experience with processing natural mica that allows us to provide tailor-made solutions for our end customers. Our product development and application engineering specialists will be in close cooperation with our customers to identify their needs and meet their specific requirements. If we don't have an immediate solution for you, our R&D department will work with you to develop and deliver the best possible solution that will meet your needs.
We have invested and developed expertise in machining, drilling, cutting, sawing and punching, thermal pressing/stamping our products to provide the best solutions to our customers. From our home made mica sheets we can manufacture pieces according to your technical specifications.
Know more about YT Mica at www.ncnc.cn
Epoxy Plate are widely used in various battery packs but it's easily get burnt without enough fire resistant performance.
All those epoxy plate used in lithium battery can be replaced by mica plate to enhace safety performance and fire resistant performance of the battery pack.