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Porous polymer separator layer having a non-uniform cross-sectional thickness for use in a secondary liquid-electrolyte battery
Porous polymer separator layer having a non-uniform cross-sectional thickness for use in a secondary liquid-electrolyte battery
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机译:用于二次液体电解质电池的具有不均匀横截面厚度的多孔聚合物隔板层
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摘要
A porous polymer separator layer that exhibits a non-uniform cross-sectional thickness and a method of making the same are disclosed. The porous polymer separator layer may be made by a process that involves forming a film having a non-uniform cross-sectional thickness similar to that sought to be imparted to the resultant separator layer and deriving the porous polymer separator layer from the film. An electrochemical battery cell for a secondary liquid-electrolyte battery may incorporate the disclosed porous polymer separator layer between a negative electrode and a positive electrode in a way that helps maintain a more evenly distributed current density within the cell.
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