Innovative Thermoelectric Materials: CXTech’s Hot Extrusion Crystal Ingots

Innovation drives performance and application expansion in the ever-evolving landscape of thermoelectric materials.

Among these breakthroughs, CXTech has developed the Hot Extrusion Crystal Ingot, a pioneering thermoelectric material that redefines durability, efficiency, and versatility. This material marks a significant leap forward compared to traditional single-crystal thermoelectric solutions, addressing long-standing challenges in strength and operational lifespan.

Unparalleled Strength and Durability

Traditional single-crystal thermoelectric materials produced using the zone melting process typically achieve a maximum grain strength of around 20 MPa. While suitable for certain applications, their limited strength translates to shorter lifespans and restricted usability in demanding environments.

The Hot Extrusion Crystal Ingot, on the other hand, delivers an impressive pellet strength of 100 MPa—a fivefold increase over traditional materials. This extraordinary strength ensures greater resistance to mechanical stress, making it ideal for high-performance and high-reliability applications.

Technological Innovation: From Zone Melting to Hot Extrusion

Traditional thermoelectric materials rely on zone melting, a process that results in limited material utilization (about 50%) and moderate thermal performance with a ZT value of approximately 0.9.

CXTech’s Hot Extrusion technology represents a paradigm shift. By employing a polycrystalline structure, the material achieves:

• A ZT value ≥ 2.83, significantly boosting thermoelectric efficiency.
• An improved temperature difference (ΔT) ≥ 72°C (compared to 65°C in traditional methods).
• A minimal pellet size of ≥ 0.15 mm, offering enhanced precision and flexibility for advanced designs.

This innovation not only improves material performance but also optimizes utilization rates to exceed 70%, reducing waste and enhancing sustainability.

Expanding Application Possibilities

The superior properties of the Hot Extrusion Crystal Ingot open doors to applications previously unattainable with traditional thermoelectric materials. While traditional single-crystal materials are commonly used in mini-refrigerators, beauty equipment, and dehumidifiers, the advanced Hot Extrusion Crystal Ingot finds use in cutting-edge fields such as:

• Optical Communication (5G): Ensuring reliable and efficient thermal management in high-speed networks.
• Medical Equipment: Providing precise temperature control for sensitive devices.
• Unmanned Systems: Supporting autonomous vehicle operations with robust and efficient cooling solutions.
• Infrared Detection and Aerospace: Withstanding the demanding thermal and mechanical stresses of high-performance environments.
• Military and High-End Equipment: Delivering unmatched durability and efficiency for mission-critical applications.

The Future of Thermoelectric Materials

CXTech’s Hot Extrusion Crystal Ingot stands at the forefront of thermoelectric material innovation. By combining unparalleled strength, efficiency, and adaptability, it is setting new industry standards and enabling advancements in diverse technological fields.

Whether in cutting-edge 5G networks, life-saving medical devices, or the extreme environments of aerospace, this revolutionary material exemplifies CXTech’s commitment to driving progress and delivering superior solutions to meet the world’s most demanding challenges.

About CXTech

Zhejiang Changxin Electronic Technology Co., Ltd. founded in 2004, covers an area of 30000㎡ specializing in production, R&D, and sales of thermoelectric materials, Peltier thermoelectric cooler.

Has strong product development capabilities, has received several technology patents in the semiconductor thermoelectric, including 3 invention patents; has undertaken 3 national projects, and 6 provincial projects.

The company’s products are used in 5G communications, medical equipment, automotive advanced driving systems, aerospace, infrared detection, heating and cooling jackets, chip processing thermal management, waste heat power generation, beauty instruments, household appliances, and other fields.