Upcycling sodium lignosulfonate into carbon anode with an inorganic-rich interphase by potential regulation for lithium-ion batteries

Key Points

• The research aims to convert sodium lignosulfonate into high-performance carbon anodes for lithium-ion batteries.
• Utilized sodium lignosulfonate as a precursor for hard carbon production.
• Regulated potential during the conversion process to enhance inorganic-rich interphase.
• Evaluated performance in lithium-ion battery applications.
• Demonstrated the effectiveness of lignocellulosic waste as a carbon source.
• Achieved improved battery performance with the inorganic-rich interphase.
• Showed better electrochemical stability and capacity retention compared to conventional anodes.