面向高电压固态锂电池的明胶/聚氧化乙烯复合电解质的制备与性能

郑衍森, 王泳茵, 桂久青, 谢卓豪, 徐越, 曹巧英, 徐悦华, 刘应亮, 梁业如

Preparation and performances of gelatin/polyethylene oxide composite electrolyte for high-voltage solid-state lithium batteries

Yansen ZHENG, Yongyin WANG, Jiuqing GUI, Zhuohao XIE, Yue XU, Qiaoying CAO, Yuehua XU, Yingliang LIU, Yeru LIANG

图4 (a) G/PEO和PEO在3.8～4.4 V下的高电压浮动测试；(b) SS|G/PEO|Li和 (c) SS|PEO|Li电池在60 ℃下在4.6 V偏压下不同时间的EIS变化；(d) PEO和G/PEO的FTIR光谱；(e) PEO、甘氨酸、脯氨酸、羟脯氨酸和丙氨酸的ESP表面静电势(红色区域和蓝色区域分别表示负电荷和正电荷)

Fig. 4 (a) High voltage floating test of G/PEO and PEO at 3.8—4.4 V; (b) The EIS changes of SS|G/PEO|Li and (c) SS|PEO|Li batteries at different times under 4.6 V bias at 60 ℃; (d) FTIR spectra of PEO and G/PEO; (e) ESP surface electrostatic potentials of PEO, glycine, proline, hydroxyproline, and alanine (red and blue regions represent negative and positive charges, respectively)