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Electronic-grade polysilicon is a key foundational material used in integrated circuits, with a purity requirement of over 99.99999999999%. Xin Hua Semiconductor has solved the long-standing key problems in China's mass production of high-purity electronic-grade polysilicon, including trace impurity purification, high-grade cleanliness control, and full-process online quality monitoring. It pioneered core technologies such as intelligent non-contact silicon material processing systems, breaking the long-term foreign monopoly and forming a complete set of technologies with independent intellectual property rights, addressing the front-end raw material support of the 12-inch wafer domestication chain.

• Long-life water-based fluoride ion battery and preparation method based on salt-wrapped water electrolyte
• Ionic battery based on Zn(OH)-4~(2-) conduction and its preparation method
• High-performance rechargeable bromine ion battery based on two-dimensional material MoS2 and its preparation method
• Membrane suitable for solid-state flexible chloride ion batteries and preparation method
• Bromine ion battery
• Membrane suitable for solid-state flexible chloride ion batteries and preparation method
• Nickel-zinc battery positive electrode material preparation method doped with phosphomolybdic acid
• High-performance rechargeable bromine ion battery based on two-dimensional material MoS-2 and its preparation method
• High-performance water-based chloride ion battery and preparation method
• Rechargeable sulfur ion battery and preparation method
• High-performance water-based chloride ion battery and preparation method
• Bromine ion battery
• Iodine-potassium double ion battery and its preparation method
• Preparation method of nickel-zinc battery negative electrode material based on porous carbon nanocapsules encapsulating zinc oxide in situ
• Nickel-zinc battery positive electrode material preparation method doped with phosphomolybdic acid
• Microporous membrane for nickel-zinc battery and preparation method thereof
• Preparation method of sulfonated hydroxyanthraquinone electrolyte
• Application of membrane for potassium ferricyanide/anthraquinone battery
• Preparation method of negative electrode material for nickel-zinc battery
• Microporous membrane for nickel-zinc battery and preparation method thereof
• Methylene blue flow battery
• Polytetrafluoroethylene film cutter
• Anthraquinone flow battery
• Inorganic/organic polymer hybrid ion exchange membrane and preparation method thereof
• Ion exchange membrane for zinc-bromine flow battery and preparation method thereof
• Inorganic proton-conducting material for fuel cells and preparation method thereof
• Proton exchange membrane for 200-400℃ fuel cells
• Composite anion exchange membrane for fuel cells
• Proton exchange membrane for fuel cells
• Zinc-bromine flow battery and battery pack
• Ion exchange membrane for zinc-bromine flow battery
• Proton exchange membrane for 350℃ fuel cells
• Acid-dipped high molecular weight proton exchange membrane and preparation method thereof
• Fuel cell self-humidifying composite proton exchange membrane and preparation method thereof