Enhancing biochar oxidation reaction with the mediator of Fe2+/Fe3+ or <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.svg"><mml:mrow><mml:mi mathvariant="normal">N</mml:mi><mml:msubsup><mml:mi mathvariant="normal">O</mml:mi><mml:mrow><mml:mn>2</mml:mn></mml:mrow><mml:mo>-</mml:mo></mml:msubsup></mml:mrow></mml:math>/<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si2.svg"><mml:mrow><mml:mi mathvariant="normal">N</mml:mi><mml:msubsup><mml:mi mathvariant="normal">O</mml:mi><mml:mrow><mml:mn>3</mml:mn></mml:mrow><mml:mo>-</mml:mo></mml:msubsup></mml:mrow></mml:math> for efficient hydrogen production through biochar-assisted water electrolysis

Zhi Ying, Zhen Geng, Xiaoyuan Zheng, Binlin Dou, Guomin Cui