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Explore our top-tier copper alloys engineered for high-performance electric vehicle supply equipment (EVSE).
The global transition towards electric mobility has triggered an unprecedented demand for reliable, high-power charging networks. At the heart of this revolution lies the C11000 Copper Plate, also known as Electrolytic Tough Pitch (ETP) copper. Renowned for its extraordinary electrical and thermal conductivity, C11000 has become the foundational material for modern Electric Vehicle Charging Infrastructure (EVCI).
From a commercial perspective, the deployment of Level 2 AC chargers and ultra-fast DC Fast Chargers (DCFC) requires materials that can handle massive electrical loads without significant energy loss or dangerous overheating. C11000 copper plates offer a minimum conductivity of 100% IACS (International Annealed Copper Standard), making them the industry standard for power distribution within charging modules. The industrial supply chain heavily relies on high-purity C11000 to manufacture busbars, contactors, and heat sinks, directly impacting the safety and efficiency of global charging networks.
As governments worldwide mandate the expansion of public charging stations, the market for C11000 copper plates has surged. Manufacturers are scaling up production, focusing on precision engineering and stringent quality controls to meet the exacting standards of automotive and energy sectors. The strategic importance of this material cannot be overstated—it is the vital artery through which the lifeblood of the EV ecosystem flows.
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 application of C11000 Copper Plate in EV charging infrastructure extends far beyond simple wiring. Its exceptional material properties are leveraged in highly complex and demanding environments within the charging ecosystem.
In DC fast chargers capable of delivering 350kW or more, the internal power routing relies heavily on thick C11000 copper plates machined into busbars. These components must carry hundreds of amps of current. The ultra-low electrical resistance of C11000 minimizes I²R losses, ensuring maximum energy transfer from the grid to the vehicle's battery while preventing catastrophic overheating.
Heat generation is the primary enemy of fast charging. C11000 copper's thermal conductivity (approx. 390 W/m·K) makes it an ideal material for cooling plates and heat sinks integrated into the charging modules. By rapidly dissipating heat away from sensitive power electronics (like IGBTs and SiC MOSFETs), C11000 ensures the charger operates at peak efficiency even during continuous back-to-back charging sessions.
The physical interface between the charger and the EV requires materials that are not only highly conductive but also mechanically robust. C11000 copper plates are often stamped and formed into heavy-duty contact terminals. Their excellent formability allows for precise manufacturing, while their inherent corrosion resistance (often enhanced with silver or tin plating) ensures long-term reliability in harsh outdoor environments.
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, including high-performance tellurium copper, lead copper, and sulfur copper. 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, plasma cutting, relays, and energy storage, earning widespread recognition and praise in the market.
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, creating significant economic and social benefits for customers.
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, and strives to promote Kepai's brand influence on the global stage.
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 electric vehicle industry accelerates towards mass adoption, the demands placed on charging infrastructure are evolving rapidly. The role of C11000 Copper Plate is becoming even more critical as we look toward the future of energy transfer.
For heavy-duty electric commercial vehicles, the industry is shifting towards Megawatt Charging Systems capable of delivering up to 3.75 MW. Handling such extreme currents requires massive, ultra-pure C11000 copper plates to construct the internal architecture. The trend is moving towards thicker, liquid-cooled copper busbars that can sustain massive loads without thermal degradation.
Modern EVs are migrating from 400V to 800V (and soon 1000V+) architectures to enable faster charging times. This high-voltage environment demands superior insulation and highly conductive pathways. C11000 copper plates are being integrated with advanced AI-driven smart grid technologies, where the copper infrastructure acts as the physical backbone for bi-directional charging (Vehicle-to-Grid or V2G) systems.
Copper is infinitely recyclable without loss of performance. The future trend emphasizes the sustainable sourcing and recycling of C11000 copper plates. As the lifecycle of older charging stations ends, the C11000 copper can be melted down and re-purposed for next-generation EV infrastructure, making it a cornerstone of the green energy transition and a highly sustainable industrial material.
Furthermore, AI technology is beginning to influence the manufacturing process of these copper plates. Predictive algorithms are used during the smelting and extrusion phases to ensure the absolute purity of the ETP copper, virtually eliminating oxygen impurities that could lead to hydrogen embrittlement. This high-tech approach guarantees that every C11000 plate meets the rigorous safety demands of modern EV charging stations.
Our global footprint and commitment to quality are recognized worldwide.
Precision engineering requires state-of-the-art technology. Our facility is equipped with industry-leading machinery to ensure the highest quality of copper plates.
Smelting
Laying-off
Extrusion
Drawing
Straightening
Package
Eddy current conductance instrument
Chemical composition test room
Metallographic sample polishing machine
Microcomputer controlled electro-hydraulic servo universal testing machine
Liquid crystal display electronic universal testing machine
Hardness tester
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!
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