4680 Battery Revolution: How Organosilicon Materials Ignite the “Thermal Engine” of the New Energy Revolution-Iota

Products

News

Office Address:	Sunmoon Science Park, 985 Xingzhong Road, High-Tech Zone, Bengbu, China
Factory Address:	Mohekou Industrial Park, Huaishang District, Bengbu, Anhui, China
Contact:	Nathan Zhang
Phone:	0086-552-19805521900
FAX:	0086-552-3822922
Mobile:	19805521900/18119733779
WebSite:	www.siliconeoil.cn www.siliconeoil.net
Email:
QQ:	729118868

News > Dynamic industry > 4680 Battery Revolution: How Organosilicon Materials Ignite the “Thermal Engine” of the New Energy Revolution

4680 Battery Revolution: How Organosilicon Materials Ignite the “Thermal Engine” of the New Energy Revolution

When breakthroughs in battery technology meet bottlenecks in materials science, organosilicon becomes the key to breaking through.
The mass production of Tesla’s 4680 battery not only marks the arrival of the electric vehicle era with “million-mile range,” but also sparks a fundamental material innovation in the new energy revolution. In this arms race centered on energy density and thermal management, thermally conductive organosilicon materials are stepping from behind the scenes into the spotlight, becoming the “invisible champions” that will define the performance of the next generation of batteries.

4680 Battery — The “Double-Edged Sword” of the New Energy Revolution
The other side of technological breakthroughs: urgent heat generation challenges to solve:

Tabless design: eliminates traditional tab resistance but concentrates heat generation at the battery bottom, with local temperatures soaring to 120°C;
CTC (Cell-to-Chassis) architecture: battery directly coupled to chassis, where traditional thermal materials cannot meet the combined demands of thermal conductivity, electrical insulation, and vibration damping;
4C fast charging: requires thermal resistance below 0.08°C·cm²/W for 15-minute ultra-fast charging, pushing traditional materials’ thermal management capacity to the limit.

Revolutionary Demand:
“For every 1% increase in battery energy density, materials must solve a 10% increase in thermal runaway risk.” — Tesla Chief Materials Engineer

Organosilicon Materials — The “Thermal Manager” of the New Energy Revolution
Three core battlegrounds where organosilicon materials rewrite the rules:

Battery Pack Level: From Passive Heat Dissipation to Active Thermal Management

Material Innovation: Dow Chemical’s TC-3060 thermally conductive silicone gel (thermal conductivity 6.5 W/m·K) achieves “zero temperature difference” between battery and liquid cooling plate;
Data Breakthrough: Model Y’s thermal material usage increased by 50%, while thermal management energy consumption dropped by 22%;
Standard Upgrade: UL 94 V0 flame retardancy and AEC-Q104 automotive certification become new must-haves for new energy vehicle manufacturers.

Cell Level: High-Temperature Resistant Encapsulants Build a Safety Barrier

Technological Breakthrough: Shin-Etsu KE-3470 organosilicon encapsulant (heat resistant up to 150°C) solves thermal stress issues in full tab welding;
Proven Case: Panasonic’s 4680 cells passed 3000 cycle tests with encapsulant cracking rate below 0.03%;
Cost Insight: $0.26 material cost increase per cell extends overall vehicle lifespan by 3 years.

Fast-Charging Scenario: Special Silicone Thermal Grease Defines High-Speed Experience

Extreme Challenge: WACKER Elastosil RT 778 (thermal resistance 0.08°C·cm²/W) supports 4C fast charging without slowdown;
Infrastructure Revolution: Thermal material demand per supercharging station surges to 1.2 tons, creating a new “material + charging pile” ecosystem.

At the Singularity of the New Energy Revolution
Where the energy density curve of the 4680 battery intersects with the thermal conductivity curve of organosilicon materials, a trillion-dollar market is being redefined. This is not incremental improvement, but a paradigm shift driven by materials science.

The future is here — only the breakthrough remains.
Organosilicon materials, as the “thermal engine,” are set to ignite the next decade of the new energy revolution.

分享到

Feedback to "Iota Silicone Oil (Anhui) Co., Ltd."