Automated electrolyte formulation and coin cell assembly for high-throughput lithium-ion battery research

IF 6.2 Q1 CHEMISTRY, MULTIDISCIPLINARY
Jackie T. Yik, Leiting Zhang, Jens Sjölund, Xu Hou, Per H. Svensson, Kristina Edström and Erik J. Berg
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引用次数: 0

Abstract

Battery cell assembly and testing in conventional battery research is acknowledged to be heavily time-consuming and often suffers from large cell-to-cell variations. Manual battery cell assembly and electrolyte formulations are...

Abstract Image

用于高通量锂离子电池研究的自动化电解质配方和硬币电池组装
在传统的电池研究中,电池的组装和测试被认为是非常耗时的,并且经常受到电池之间巨大差异的影响。手动电池组件和电解液配方容易引入错误,从而混淆优化策略和升级。在这里,我们提出了ODACell,一个自动化的电解质配方和电池组装装置,能够制备大批量的硬币电池。我们通过用二甲基亚砜模型电解质制备LiFePO4‖li4ti5o12基全电池,证明了在环境气氛中组装锂离子电池的可行性。此外,研究了水的影响,以解释暴露于环境大气时非水电解质的吸湿性。重复性试验表明,该系统的保守故障率为5%,而10次循环后放电容量的相对标准偏差为2%。电解质中添加2 vol%和4 vol%水的组表现出重叠的性能趋势,突出了电解质中水污染物与循环性能之间的重要关系。因此,可重复的数据对于确定高通量电解质筛选的性能是否存在微小差异至关重要。ODACell广泛适用于带有液体电解质的硬币电池组装,因此是加速此类系统研究和开发的重要一步。
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CiteScore
2.80
自引率
0.00%
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