A bird's-eye view for future ionic thermoelectrics: from ions to products. - Xu, Ziyao; Yu, Mao; Li, Qikai; Wang, Chunjing; Yao, Yuxiu; Wei, Ruixin; Chi, Cheng; Yan, Cheng; Zhang, Xiaogang; Xu, Yinghong (National Science Review, 2026)