Inquiry
Form loading...
Specialized conductive bonding, heat dissipation, and structural integration systems engineered for modern power electronics.
Analyzing thermal dissipation bottlenecks, material transitions, and commercial adoption of silver-filled epoxy matrices.
With the rapid transition toward 800V fast-charging architectures, Cell-to-Pack (CTP), and Cell-to-Chassis (CTC) structural designs, electric vehicle (EV) battery packs are subjected to unprecedented electrical and thermal stress. The high energy density required for longer driving ranges directly translates into intensified localized thermal flux within battery modules. Managing heat transfer across busbars, cell terminals, thermal sensors, and integrated Power Distribution Units (PDUs) demands materials that provide not only ultra-high thermal conductivity but also robust mechanical anchoring and electrical continuity where necessary. Silver epoxy adhesive has emerged as a cornerstone solution, addressing critical thermal and conductive requirements where conventional solders or pure dielectric pastes fail.
Unlike traditional thermal greases or standard thermal gap fillers, silver-filled epoxy adhesive systems create a dense, cross-linked thermosetting polymer matrix loaded with micro- and nano-scale silver flakes or spherical particles. This hybrid architecture ensures anisotropic or isotropic electrical and thermal pathways, eliminating thermal boundary resistance at critical bonding interfaces within EV power modules.
Engineered with optimized silver percolation thresholds to maximize phononic and electronic heat dissipation while maintaining dependable micro-ohm contact resistance.
Offers exceptional shear strength and elastic compliance to absorb high vibration profiles, mechanical shocks, and coefficient of thermal expansion (CTE) mismatches.
Enables reliable bonding without exposing heat-sensitive battery chemistry, separators, or delicate NTC/PTC sensors to destructive high-temperature reflow profiles.
Silver epoxy adhesives serve multiple pivotal functions across the EV battery module and surrounding powertrain electronics:
BMS Sensing & Temperature Monitoring Harnesses: Precision thermal monitoring is the frontline defense against thermal runaway. Silver epoxy is extensively utilized to mount surface-mount thermistors and RTDs directly onto cell busbars and inter-cell connection tabs. The high thermal transfer speed ensures instantaneous response time in battery management systems (BMS), mitigating delayed temperature readings during rapid DC charging cycles.
Integrated Battery Disconnect Units (BDUs) and High-Voltage Relays: The convergence of high-voltage switching creates hot-spots near contactors and solid-state relays. Silver-filled epoxies bridge high-current copper leads to ceramic or metallic cooling plates, ensuring continuous heat evacuation while sustaining robust mechanical joining under road vibrations.
Electromagnetic Compatibility (EMI) Grounding: Modern battery packs incorporate high-frequency switching controllers and inverters. Silver epoxy adhesives provide low-impedance electrical bonding for module-level aluminum or composite shields, attenuating stray electromagnetic radiation that could compromise sensitive BMS telemetry.
Songxi Technology is a high-tech enterprise specializing in the R&D, production, and sales of electronic adhesives. Based on silicone, polyurethane, acrylic, and epoxy systems, we provide reliable bonding, sealing, and protection solutions for power electronics, optoelectronics, new energy, automotive, and aerospace industries.
We are committed to becoming a trusted provider of functional polymer material solutions for the electronics industry. Through continuous innovation and application development, we promote the localization of high-end electronic adhesives and help intelligent devices achieve greater stability and durability.
Comprehensive polymer materials portfolio addressing mission-critical sealing, structural bonding, and thermal management.
Songxi's business covers three functional areas: adhesive & sealing, potting & protection, and thermal interface materials. Our product portfolio includes PCBA fixing adhesives, UV adhesives, sealants, thermal conductive potting compounds, thermal greases, pads, two-component thermal gels, EMI shielding sealants, and reactive hot melt adhesives.
Our products serve power batteries, photovoltaic modules, drones, automotive electronics, 5G communications, and LED lighting. We provide both standard products and customized solutions for applications such as BMS conformal coating, IGBT thermal filling, and power battery structural bonding, supported by extensive technical experience and application expertise.
Led by a Ph.D. in Polymer Materials from Sichuan University, Songxi's R&D team has nearly twenty years of silicone application experience and has participated in over 100 product development projects. We maintain cooperation with research institutions including Chenguang Chemical Research Institute, Sichuan University, and Beijing Institute of Technology.
Certified with ISO9001, Songxi operates a comprehensive management system covering procurement, production, inspection, and after-sales service. Our products comply with RoHS and REACH requirements, with SGS verification and UL 94 V-0 flame retardant certification, ensuring consistent quality and reliable delivery.
Songxi adheres to integrity and quality throughout material selection, production, and delivery, turning reliability into a competitive advantage and earning long-term customer trust through professional service and continuous improvement across global markets.
Discover our full spectrum of advanced formulations engineered for automotive power systems, microelectronics, and harsh industrial environments.
