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六甲基二硅氮烷对LiMn₂O₄电极性能的影响

Effects of hexamethyldisilazane to the performance of LiMn₂O₄ electrode

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【Author】 LI Yong-kun,ZHANG Ruo-xin,LIU Jian-sheng(Guangzhou Tinci Materials Technology Co.,Ltd.,Guangzhou,Guangdong 510760,China)

【机构】广州天赐高新材料股份有限公司；

【摘要】研究了六甲基二硅氮烷(HMDS)对电解液稳定性和锂离子电池循环性能的影响。加入0.1%的HMDS不会影响电池的首次放电容量,能抑制电解液中LiPF6的水解;常温下以1C在3.0~4.2 V循环100次后,电池的容量保持率为92.4%。更多还原

【Abstract】 The effects of hexamethyldisilazane(HMDS)to the stability of electrolyte and cycle performance of Li-ion battery were studied.The addition of 0.1% HMDS did not effect the initial discharge capacity of the battery,could restrain the hydrolysis of LiPF6 in electrolyte,the capacity retention of the battery after 100 cycles with 1 C in 3.0～4.2 V was 92.4% at ambient temperature.更多还原