We propose a simple and low-cost synthesis of N–O–S co-doped hierarchical porous carbons (MGC-x) by direct carbonization of calcium lignosulfonate. MGC-x possesses a large surface area (∼1500 m2 g–... Click to show full abstract
We propose a simple and low-cost synthesis of N–O–S co-doped hierarchical porous carbons (MGC-x) by direct carbonization of calcium lignosulfonate. MGC-x possesses a large surface area (∼1500 m2 g–...
               
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