Zejun Sun, Jinlin Yang, Hongfei Xu, Chonglai Jiang, Yuxiang Niu, Xu Lian, Yuan Liu, Ruiqi Su, Dayu Liu, Yu Long, Meng Wang, Jingyu Mao, Haotian Yang, Baihua Cui, Yukun Xiao, Ganwen Chen, Qi Zhang, Zhenxiang Xing, Jisheng Pan, Gang Wu, Wei Chen
An anion-rich electric double layer (EDL) region is favorable for fabricating an inorganic-rich solid-electrolyte interphase (SEI) towards stable lithium metal anode in ester electrolyte. Herein, cetyltrimethylammonium bromide (CTAB), a cationic surfactant, is adopted to draw more anions into EDL by ionic interactions that shield the repelling force on anions during lithium plating. In situ electrochemical surface-enhanced Raman spectroscopy results combined with molecular dynamics simulations validate the enrichment of NO3 - /FSI- anions in the EDL region due to the positively charged CTA+ ...
March 4, 2024: Nano-Micro Letters