Preparation of low-expansion high-performance Si–C composites based on porous advantage of detoxified and purified waste cathode graphite blocks

Key Points

• High-performance si-c composites were successfully prepared using detoxified waste graphite blocks, showcasing efficiency.
• The process involved detoxification and purification of waste cathode graphite, leading to low-expansion characteristics.
• Analysis of porous advantage in creating composites reveals potential benefits for varied industrial applications.
• This process highlights the possibility of sustainable materials use, with further studies needed for broader applications.