Unlocking efficient Li recovery from spent LiFePO4 batteries at high pulp density: Passivation release mechanism of Fe3+-mediated biochemical synergistic leaching and life cycle assessment - Ziyun Liang; Jinghan Gu; Xin Zhao; Lang Yun; Shenghan Li; Zaiyu Li; Wenyan Liu; Jiali Wang; Yao Wang; Xiaoyu Han (Journal of Environmental Chemical Engineering, 2026)