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Aerogel insulation Blanket

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Aerogel Blanket EV Battery | Ultra-Thin Thermal Barrier

Aerogel blanket EV battery barrier: 3–6mm ultra-thin, A1 fire rated, prevents thermal runaway propagation between battery cells. Request free sample & quote!

  • Overview
  • Technical Specifications
  • Application Scenarios
  • Service & Support
  • Recommended Products

Overview

Why Aerogel Blanket EV Battery is Essential for Modern Electric Vehicles

As the global transition to electric mobility accelerates, the need for advanced thermal management within battery packs has never been more critical. The Aerogel Blanket EV Battery from Henan Sanjie Pipe Mart Co., Ltd. offers a revolutionary solution for thermal runaway suppression. Our Aerogel Blanket EV Battery is designed with a thickness as low as 3-6mm, providing an effective thermal barrier that prevents heat propagation between individual cells. With a thermal conductivity of 0.018 W/(m`K), this material ensures that localized heat does not trigger a catastrophic chain reaction. Backed by 28 years of manufacturing excellence, our Aerogel Blanket EV Battery provides the A1 non-combustible protection required to meet the highest automotive safety standards globally.

◆ Ultra-Thin Profile for Maximum Energy Density. In the competitive EV market, every millimeter of space within a battery pack is valuable. Our Aerogel Blanket EV Battery is available in 3mm and 6mm specifications, allowing it to fit into the tightest gaps between battery cells or modules. Despite its thinness, a 3mm layer of Aerogel Blanket EV Battery provides the same insulation performance as 15mm of traditional materials. This data-backed efficiency allows manufacturers to increase cell count and energy density without compromising on safety. By integrating our aerogel solutions, automotive engineers can achieve longer driving ranges while ensuring a robust thermal defense.

◆ Thermal Runaway Suppression and A1 Fire Rating. The primary safety concern for EV manufacturers is thermal runaway. The Aerogel Blanket EV Battery acts as a sacrificial shield, capable of withstanding extreme temperatures during a cell failure event. Our material is classified as A1 non-combustible (GB 8624), meaning it will not burn or release toxic fumes even when exposed to direct flame. The Aerogel Blanket EV Battery blocks the intense heat of a failing cell, preventing it from heating adjacent cells beyond their critical threshold. This vital delay gives passengers more time to exit the vehicle and prevents the total loss of the battery pack.

◆ Lightweight Construction for Range Extension. Reducing vehicle weight is key to improving efficiency and range. The Aerogel Blanket EV Battery is 85% lighter than traditional silicone or ceramic fiber barriers, with a density of just 180–220 kg/m³. By replacing heavier thermal pads with our Aerogel Blanket EV Battery, manufacturers can shave several kilograms off the total weight of a large battery pack. This weight reduction directly contributes to improved acceleration, better handling, and extended battery life. For high-performance EVs where weight is a primary constraint, our aerogel technology is the gold standard for thermal protection.

◆ Exceptional Mechanical and Chemical Durability. Automotive environments are subjected to constant vibration, shock, and potential chemical exposure. The Aerogel Blanket EV Battery features a tensile strength of ≥100 kPa and is designed to resist settling even after years of driving. It is also chemically resistant to electrolytes and other fluids commonly found in battery systems. The SiO2 silica structure of the Aerogel Blanket EV Battery remains stable across a temperature range of -200°C to +650°C, ensuring that the thermal protection remains effective regardless of whether the vehicle is operating in a frigid winter or a scorching summer.

◆ Easy Integration and 25-Year Reliability. Henan Sanjie's Aerogel Blanket EV Battery is supplied in flexible rolls that are easy to die-cut into specific shapes for cell wrapping or module lining. This ease of fabrication allows for seamless integration into automated battery assembly lines. With a design life exceeding 25 years, the Aerogel Blanket EV Battery is built to outlast the vehicle itself. It does not degrade, compress, or lose its insulating properties over time. Choosing our Aerogel Blanket EV Battery means choosing a long-term safety partner that is already trusted in 110+ countries for its uncompromising quality and ISO 9001 certified performance.

Feature

Sanjie Aerogel Blanket EV Battery

Silicone / Ceramic Fiber

Thickness

3mm - 6mm

15mm - 25mm

Thermal Conductivity

0.018 - 0.022 W/mK

0.035 - 0.045 W/mK

Fire Rating

A1 Non-combustible

A1 / B1

Weight

Ultra-Light (180kg/m³)

Heavy

Energy Density Impact

Minimal (Thin)

Significant (Bulky)

Thermal Barrier Effectiveness

4x Higher

Baseline

Service Temperature

-200°C to +650°C

-50°C to +400°C (typical)

Mechanical Stability

High (No Settling)

Low (Prone to Compression)

Installation

Die-cut / Automated

Manual / Messy

Life Cycle

25+ Years

5-10 Years

Technical Specifications

Parameter

Standard / Value

Material Composition

Silica Aerogel / Inorganic Fiber

Pore Size

20–50nm

Porosity

>90%

Density

180–220 kg/m³

Thermal Conductivity (25°C)

0.018–0.022 W/(m·K)

Service Temperature

-200°C to +650°C

Tensile Strength

≥100 kPa

Fire Resistance Grade

A1 Grade (Incombustible)

Dielectric Strength

Excellent

Available Thickness

3mm / 5mm / 6mm

Width

1000mm / 1200mm

Color

White / Off-white

Certifications

CE / ISO 9001 / ISO 14001

Design Life

25+ Years

Application Scenarios

Inter-Cell Thermal Barriers

The Aerogel Blanket EV Battery is placed between individual lithium-ion cells to act as a thermal shield. Its 3mm thinness prevents heat transfer during a localized failure, stopping thermal runaway before it spreads across the entire module.

Battery Pack Top Cover Lining

Applying a layer of Aerogel Blanket EV Battery to the top cover of the battery pack protects the passenger cabin from heat and fire. Its A1 fire rating ensures that even during a severe battery event, the fire is contained within the pack.

Bus and Truck High-Voltage Systems

For large commercial EVs, the Aerogel Blanket EV Battery provides thermal protection for high-voltage cables and junction boxes. It ensures that critical electrical components remain functional during high-temperature operations or external fire exposure.

EV Fast-Charging Station Transformers

Aerogel Blanket EV Battery is used to insulate the high-power transformers in fast-charging stations. It manages the intense heat generated during 350kW+ charging cycles, preventing equipment overheating and improving system reliability.

Cold Weather Battery Heating Retention

In cold climates, the Aerogel Blanket EV Battery helps retain the heat generated by battery thermal management systems. This reduces the energy needed to keep cells at optimal operating temperatures, significantly improving winter driving range.

Trusted Across 110+ Countries

Henan Sanjie Pipe Mart Co., Ltd. is a preferred supplier for the global automotive supply chain. Our Aerogel Blanket EV Battery is utilized by leading OEMs and tier-1 battery manufacturers in over 110 countries. We provide the technical data and quality assurance required for automotive safety validation, ensuring that our aerogel solutions deliver peak performance on every road, in every car.

Service & Support

Service Item

Details

Pre-Sales Consulting

Thermal performance calculation, thickness optimization, aerogel vs. traditional cost-benefit analysis, CUI prevention strategy.

Engineering Design

CAD templates for complex geometries, cutting patterns, multi-layer installation specifications.

Free Samples

At no charge. Customer covers freight. Thermal conductivity test certificate included with sample.

Production & QC

ISO-certified. 100% tested for thermal conductivity, hydrophobicity, and tensile strength per GB/T 34336.

Delivery

7–14 days. EXW, FOB, CIF. Vacuum-sealed packaging preserves hydrophobic properties during shipping.

MOQ

Flexible per project scope.

Technical Support

Installation training, cutting & wrapping guidance, CUI prevention consulting, multi-layer system design.

After-Sales Warranty

25+ year comprehensive warranty. Dedicated team for technical support and replacement.

Payment Terms

T/T, L/C at sight. Flexible for long-term partners.

OEM / ODM

Custom thickness, width, facing material, and packaging available.

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Room C029, Chuangtuo E-commerce Industrial Park, Zhujiang Road Sub-district, Jiaxi District, Luoyang City, Henan Province

Telephone number

+86-19303795606

Mail address

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