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Explore our top-tier copper materials engineered specifically for high-performance automotive applications, ensuring maximum conductivity and durability.
The global automotive landscape is undergoing a paradigm shift, transitioning rapidly from traditional Internal Combustion Engine (ICE) vehicles to advanced Battery Electric Vehicles (BEVs) and autonomous mobility platforms. At the very core of this technological revolution lies the C11000 Copper Plate, also universally recognized as Electrolytic Tough Pitch (ETP) copper. Renowned for its extraordinary electrical and thermal conductivity, C11000 copper has become an indispensable foundational material in modern automotive engineering.
Commercially, the demand for high-purity C11000 copper plates has surged exponentially. While a conventional ICE vehicle utilizes approximately 15 to 28 kilograms of copper, a modern electric vehicle requires a staggering 80 to 85 kilograms, with hybrid buses and heavy-duty commercial EVs demanding even more. This exponential increase is driven by the intricate electrical architectures required for energy storage, power distribution, and intelligent thermal management systems. The C11000 Copper Plate, boasting a minimum copper content of 99.90% and an electrical conductivity rating of 100% IACS (International Annealed Copper Standard), provides the exact specifications needed by Tier 1 automotive suppliers and OEM manufacturers to ensure vehicle safety, efficiency, and longevity.
From an industrial perspective, the manufacturing and processing of C11000 Copper Plates have evolved significantly. The integration of AI-driven precision metallurgy and automated quality control ensures that these plates exhibit flawless surface finishes and uniform microstructures. This is critical because any microscopic defect could lead to electrical resistance, heat buildup, and subsequent system failure in high-voltage EV environments. As global supply chains restructure to prioritize sustainable and localized sourcing, the strategic importance of reliable C11000 copper manufacturers cannot be overstated.
Sichuan Kepai New Materials Co., Ltd., established in 2017, is a high-tech enterprise integrating research and development, production, and sales. Currently, the factory covers an area of approximately 9,000 square meters, with an office space of about 1,000 square meters. The company primarily engages in the production of strategic emerging new materials for the national 13th Five-Year Plan, including special copper alloys such as tellurium copper, high-conductivity oxygen-free copper, silver copper, and dispersion copper, while also focusing on the research and development of high-conductivity, easy-to-machine, high-strength copper alloys. The products are mainly applied in high-tech fields such as new energy vehicles, 5G technology, laser cutting, and lithium battery relays.
The company is located in the western area of the Sichuan Guanghan Industrial Development Zone, adjacent to National Highway 108, boasting a superior geographical location and convenient transportation, which lays a solid foundation for the rapid development of the enterprise. Since its establishment, Kepai has adhered to the business philosophy of "innovation-driven development, quality wins the market," committed to providing customers with the highest quality high-end copper alloy materials, and promoting industrial upgrading and sustainable development.
The versatility of the C11000 Copper Plate makes it highly sought after across various critical subsystems within modern electric and autonomous vehicles. Let us delve deeper into the specific engineering applications where this material proves irreplaceable.
In EV battery packs, busbars act as the primary arteries for power distribution. C11000 Copper Plates are extensively machined and stamped into busbars due to their superior current-carrying capacity. During rapid acceleration or DC fast charging, immense currents flow through these pathways. The high conductivity of C11000 minimizes energy loss in the form of heat, thereby maximizing the vehicle's driving range and protecting the battery cells from thermal degradation. Furthermore, its excellent formability allows for complex bending and routing within tight battery enclosures.
Electric motors, inverters, and high-density battery packs generate substantial heat during operation. C11000 Copper Plates are frequently utilized in the fabrication of liquid-cooled cold plates and heat sinks. The material's exceptional thermal conductivity (approximately 390 W/m·K) ensures rapid heat dissipation. By maintaining optimal operating temperatures, C11000 copper directly contributes to extending the lifespan of critical electronic components and maintaining consistent vehicle performance under extreme driving conditions.
The power electronics of an EV, including the On-Board Charger (OBC) and traction inverter, rely heavily on printed circuit boards (PCBs) and heavy copper substrates. Thick C11000 copper plates are used as base plates for power modules (like IGBTs and SiC MOSFETs). These plates provide not only electrical grounding and interconnection but also act as a crucial thermal interface, pulling heat away from the semiconductor junctions to prevent catastrophic thermal runaway.
While wires are made of drawn copper, the heavy-duty terminals and structural connectors that interface with the vehicle's chassis and major modules are often stamped from C11000 Copper Plates. The material's excellent solderability, resistance to corrosion (especially when plated with tin or silver), and mechanical integrity ensure that high-vibration automotive environments do not compromise electrical connections, thereby preventing intermittent electrical faults that could compromise vehicle safety.
Pioneering the future of automotive materials through relentless innovation and robust manufacturing capabilities.
Technological innovation is the core competitiveness of Sichuan Kepai New Materials Co., Ltd. The company has a research and development and production team composed of senior industry experts who keep pace with international cutting-edge technology trends and continuously explore the unknown boundaries in the field of new copper alloy materials. Through a combination of independent research and development and industry-university-research collaboration, Kepai has made breakthrough progress in several areas. Many of its technological achievements have reached international advanced levels and have been successfully applied in various industries such as new energy vehicles, precision machining parts, and energy storage.
Kepai's product line is rich and diverse, covering a comprehensive range of solutions from basic materials to high-end customization. We focus on providing customers with high-performance, high-quality high-end copper alloy products, including but not limited to pure copper, oxygen-free copper, oxygen-free high-conductivity tellurium copper, nickel tellurium copper, tin bronze, beryllium copper, lead bronze, sulfur copper, and chromium zirconium copper. These products play an important role in reducing production costs and enhancing product performance due to their excellent physical and chemical properties and environmental friendliness.
In the face of global market competition, Sichuan Kepai New Materials adheres to the development strategy of "rooted in Sichuan, radiating nationwide, and moving towards the world." By continuously optimizing market layout and improving the sales network, we have established a stable customer base in multiple provinces and cities across the country and have formed long-term cooperative relationships with several internationally renowned enterprises. At the same time, the company actively expands into overseas markets, participates in international competition and cooperation.
We understand that the long-term development of an enterprise is inseparable from an excellent corporate culture. We advocate the corporate spirit of "integrity, innovation, collaboration, and win-win," encouraging employees to explore boldly and innovate courageously, while also emphasizing teamwork and talent cultivation, striving to create a harmonious, open, and inclusive work atmosphere. We believe that only by continuously pursuing excellence and creating value can we win the trust of customers and the respect of society.
As the automotive industry accelerates towards a fully electrified and autonomous future, the evolution of the C11000 Copper Plate is closely tied to advanced manufacturing paradigms, specifically the integration of Artificial Intelligence (AI) and the push for a circular economy. The next generation of automotive engineering demands not just high-performance materials, but intelligent and sustainable supply chains.
AI-Driven Metallurgical Optimization: The future of producing C11000 Copper Plates lies in smart manufacturing. AI algorithms and machine learning models are being deployed to monitor the smelting, casting, and rolling processes in real-time. By analyzing vast datasets of temperature fluctuations, rolling pressures, and cooling rates, AI can predict and mitigate microscopic structural anomalies before they occur. This ensures that every batch of C11000 copper plate meets the ultra-strict tolerances required by automated EV assembly lines, particularly for laser-welded busbar applications where material consistency is paramount.
Solid-State Batteries and Higher Voltages: As the industry transitions from 400V to 800V architectures, and eventually to solid-state batteries, the electrical stress on internal components will multiply. C11000 Copper Plates will undergo advanced surface treatments, such as nano-coating and laser texturing, to enhance their arc resistance and thermal emissivity. These innovations will allow the copper components to handle ultra-fast charging loads (350kW and above) without compromising the vehicle's structural safety.
Sustainability and the Circular Economy: The automotive sector is under immense regulatory pressure to reduce its carbon footprint. Consequently, the sourcing and recycling of C11000 copper are evolving. Modern facilities are implementing closed-loop recycling systems where end-of-life EV copper components are re-smelted into high-purity C11000 plates with minimal energy expenditure. Because copper retains 100% of its properties during recycling, it stands as the ultimate sustainable metal, perfectly aligning with the eco-friendly ethos of the electric vehicle revolution.
Equipped with state-of-the-art machinery to guarantee the precision and quality of every copper plate produced for the automotive sector.
Smelting
Laying-off
Extrusion
Drawing
Straightening
Package
Eddy current conductance instrument
Chemical composition test room
Metallographic sample polishing machine
Electro-hydraulic servo testing machine
Electronic universal testing machine
Hardness tester
Our commitment to excellence is backed by international certifications, ensuring our C11000 Copper Plates meet the highest automotive standards.
Discover our full range of advanced copper alloy materials, designed to empower the next generation of industrial and automotive innovations.
High purity oxygen-free copper
Excellent Copper Alloy Material---Beryllium Copper
C17200 high strength beryllium copper alloy
Competitive Material Beryllium Copper C17300
Best C14500 tellurium copper material
Characteristics and application of high performance tellurium copper
C18150 Chromium-Zirconium copper alloy
C14700 Sulfur Copper: Make The Production More Efficient Material
Looking ahead, Sichuan Kepai New Materials Co., Ltd. will continue to uphold its original intention, with even greater enthusiasm and determination, to engage in research and application in the field of new materials, contributing to the development of the new copper alloy materials industry in China and globally. We look forward to working hand in hand with friends from all walks of life to create a brilliant future together!
