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<p>Since the electrolyte is critical to determine the performance and price of a Li-ion battery, a simplified yet effective system for optimizing commercial Li-ion battery is thus proposed by integrating a throttle mechanism (5 holes, 0.1&#xa0;mm each) into the vacuum line, which significantly reduces the electrolyte loss from approximately 60&#xa0;g to about 5&#xa0;g per cell, representing a 5% saving in electrolyte usage, by well controlling its vapor flow. Furthermore, it avoids the formation of blackspots and lithium plating in anode. The implementation is estimated to yield annual cost savings of approximately USD 0.65&#xa0;million per production line, alongside environmental benefits from the reduced electrolyte waste. The battery performance remains uncompromised, confirming the industrial viability of this strategy for cost-efficient and sustainable battery manufacturing.</p>

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A facile throttle mechanism for vacuum systems: mitigating electrolyte vaporization and anode defects in prismatic li-ion battery formation

  • 期刊论文

  • 发表日期：

    2026年3月13日

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  • Gang Lv,
  • Zhiwu Yan,
  • Zongliang Wu,
  • Qing Li,
  • Lianghua Wen,
  • Chao Wang,
  • Dengfeng Huang

摘要

Since the electrolyte is critical to determine the performance and price of a Li-ion battery, a simplified yet effective system for optimizing commercial Li-ion battery is thus proposed by integrating a throttle mechanism (5 holes, 0.1 mm each) into the vacuum line, which significantly reduces the electrolyte loss from approximately 60 g to about 5 g per cell, representing a 5% saving in electrolyte usage, by well controlling its vapor flow. Furthermore, it avoids the formation of blackspots and lithium plating in anode. The implementation is estimated to yield annual cost savings of approximately USD 0.65 million per production line, alongside environmental benefits from the reduced electrolyte waste. The battery performance remains uncompromised, confirming the industrial viability of this strategy for cost-efficient and sustainable battery manufacturing.