Core Viewpoint - Sanfu New Technology (688359) has made significant breakthroughs in the next-generation current collector technology, launching the 3D composite current collector (Cu), which is deemed strategically important for supporting high-safety, high-energy-density battery systems [1][2]. Group 1: Product Launch and Technical Innovation - The 3D composite current collector has successfully undergone trial production on self-developed mass production equipment, marking the project's entry into the application promotion phase [2]. - Sanfu New Technology holds the first domestic invention patent for the 3D composite current collector, innovatively applying a 3D fiber structure to the current collector, which overcomes the limitations of traditional composite copper foil structures [2]. - The new product is expected to enhance battery performance with higher energy density, charging rates, and safety, making it suitable for high-end consumer electronics, electric vehicles, and specialized energy storage systems [2]. Group 2: Industry Expert Insights - Experts believe that the innovative current collector technology is crucial for the evolution of solid-state batteries and other advanced battery technologies, addressing the limitations of traditional materials [1][3]. - The 3D composite copper foil's three-dimensional porous structure helps suppress lithium dendrite growth, enhancing battery safety and longevity while improving energy density through lightweight design [3]. - The technology shows promise in addressing core challenges faced by next-generation batteries, such as interface impedance and uneven lithium deposition [3].