9-11 July 2025
Hall N5, Shanghai New International Expo Center

The new circuit of copper advanced battery, the mileage "all the way"

 

In the wave of global energy transformation, battery technology, as the core driving force, has become a key battlefield competing in various fields. From the popularity of electric vehicles to the wide application of energy storage systems, the performance of batteries directly determines the efficiency and sustainability of energy utilization. And in this wave of technological change, a seemingly familiar but radiating new vitality of the material -- copper, is quietly entering the new battery track, with its excellent performance, help battery mileage to achieve "all the way", for the energy field has brought unprecedented changes.

 

The unique advantages of copper material

 

 

Copper, as a metal with a long history of application, stands out among many materials for its excellent electrical conductivity. Inside the battery, the conduction efficiency of the current directly affects the charge and discharge performance of the battery. Copper's high conductivity is like a wide, flat and unobstructed highway, allowing electrons to move quickly and efficiently inside the battery, greatly reducing the battery's internal resistance. Compared with some materials traditionally used, copper is able to increase the electron conduction speed by several times, which means that in the same amount of time, the battery is able to complete more charge transfer, which increases the power of charge and discharge.

 

In addition to conducting electricity, copper is also a good heat conductor. In the process of battery charging and discharging, heat will inevitably be generated, if the heat can not be dissipated in time, it will lead to the temperature of the battery, which will affect the performance and life of the battery, and even cause safety problems. Copper is like an indefatigable "heat defender", which can quickly conduct the heat generated inside the battery to keep the internal temperature of the battery relatively stable. The experimental data show that the battery system using copper material as a battery component can reduce the temperature by 10-15 ℃ compared with the battery without copper material when

 

charging and discharging at a high rate, which provides a strong guarantee for the stable operation of the battery.

Innovative application of copper in battery electrode

 

 

Copper is playing an increasingly important role in the electrodes, the core components of batteries. Traditional electrode materials have some limitations in terms of energy density and cycle life, and the addition of copper provides a new way to solve these problems.

 

In the positive electrode material, the researchers have developed a series of new positive electrode materials by combining copper with other metal elements. For example, the copper-lithium-cobalt composite cathode material, using copper's high conductivity, effectively improves the transfer rate of ions and electrons in the positive electrode material, making the battery's charge and discharge performance significantly improved. This new cathode material is applied in electric vehicle batteries, which can increase the driving range of vehicles by 20%- 30% on the original basis, so that electric vehicles can be more comfortable in long-distance travel.

 

In terms of negative electrode materials, copper-based alloy negative electrode

materials have shown great potential. The alloy formed by copper and silicon, tin

and other elements can not only improve the theoretical specific capacity of the

 

negative electrode material, but also improve the electronic conductivity of the material through the good electrical conductivity of copper. At the same time, the addition of copper can also alleviate the volume expansion problem of silicon, tin and other materials in the charge and discharge process, and improve the cycle stability of the negative electrode material. After many experiments, the use of copper alloy anode material battery, its cycle life compared with the traditional graphite anode battery can be extended by more than 50%, greatly reducing the cost of battery use, improve the practicality of the battery.

 

The key role of copper in the battery fluid collection

 

 

The battery fluid collector is an important component that connects the electrode active substance with the external circuit, and its performance has a crucial impact on the overall performance of the battery. Copper foil, as a commonly used battery fluid collector material, has been widely used in the battery field by virtue of its good electrical conductivity, high mechanical strength and low cost.

 

With the continuous development of battery technology, the performance requirements of copper foil are becoming higher and higher. In order to meet the

needs of high energy density batteries, researchers continue to develop new copper foil manufacturing processes. For example, the ultra-thin copper foil prepared by nanotechnology not only greatly reduces the thickness, reduces the weight of the battery, but also improves the specific surface area of the copper

 

foil, enhances the binding force with the active substance of the electrode, and further improves the charge and discharge performance of the battery. At the same time, the copper foil with special surface treatment, such as chemical plating, electroplating and other methods, forms a uniform protective film on the surface of the copper foil, which can effectively prevent the copper foil from being corroded during the use of the battery and extend the service life of the battery.

 

In some new battery systems, such as solid-state batteries, the application of copper materials is also facing new challenges and opportunities. Researchers are exploring ways to combine copper with solid-state electrolytes to achieve higher ion conduction efficiency and better interface compatibility. Once a breakthrough is achieved, it will lay a solid foundation for the commercial application of solid- state batteries and push battery technology to a new level.

 

Industry prospects and prospects

 

 

The wide application of copper materials in the battery field has not only brought new opportunities for the development of battery technology, but also injected a strong impetus for the change of the entire energy industry. With the rapid growth of the electric vehicle market and the booming energy storage industry, the demand for high-performance batteries will continue to climb. Copper, as an important component of battery materials, has a broad market prospect.

 

At the same time, the innovative application of copper materials in the battery field will also drive the coordinated development of related industries. From the mining and smelting of copper to the processing and manufacturing of copper materials, to the research and development, production and application of batteries, a complete industrial chain has been formed. The continuous improvement and development of this industrial chain will create more job opportunities and promote sustainable economic growth.

 

However, we should also be soberly aware that the application of copper materials in the battery field still faces some challenges. For example, the limited nature of copper resources and price fluctuations may have a certain impact on the development of the battery industry. Therefore, the future needs to further strengthen the rational development and utilization of copper resources, while increasing investment in the research and development of new copper materials and battery technology, improve the efficiency of copper materials, reduce battery costs, in order to achieve the sustainable development of the battery industry.

 

Copper into the new battery circuit, for the improvement of mileage has brought revolutionary changes. In the future energy development, copper materials are expected to continue to play its unique advantages, integrate with other advanced technologies, promote continuous innovation in battery technology, and make greater contributions to the construction of a cleaner, more efficient and

 

sustainable energy system. Let us wait and see to witness the copper material to create more brilliant in the battery field.