Investigation of the redox behavior of biochar-based bipolar electrochemistry in porous media - Hongwei Zhang; Haiyin Xu; Hui Zi; Yuwei Tang; Xijie Zheng; Ping Wang; Jing Huang; Honghui Wu; Peipei Song; linxin Wu; Zechen Liu; Wenshao Mao; et al. (Chemical Engineering Journal, 2023)