The separator for electrochemical elements， and an electrochemical element
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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Provided is a separator for an electrochemical element， the separator having improved tensile strength and short-circuit resistance while maintaining the impedance characteristics and denseness expected of a separator comprising highly beaten regenerated cellulose fibers. The separator for an electrochemical element is interposed between a pair of electrodes and capable of holding an electrolytic solution containing an electrolyte， the separator for an electrochemical element comprising: 20 to 80 mass% of natural cellulose fibers A in which the length weighted average fiber length is 0.30 to 1.19 mm and the CSF is 500 to 50 ml; 10 to 50 mass% of natural cellulose fibers B in which the length weighted average fiber length and the maximum distribution fiber length are 1.20 to 1.99 mm and the CSF is 500 to 50 ml; and 10 to 50 mass% of beaten regenerated cellulose fibers. Provided is a separator for an electrochemical element， the separator having improved tensile strength and short-circuit resistance while maintaining the impedance characteristics and denseness expected of a separator comprising highly beaten regenerated cellulose fibers. The separator for an electrochemical element is interposed between a pair of electrodes and capable of holding an electrolytic solution containing an electrolyte， the separator for an electrochemical element comprising: 20 to 80 mass% of natural cellulose fibers A in which the length weighted average fiber length is 0.30 to 1.19 mm and the CSF is 500 to 50 ml; 10 to 50 mass% of natural cellulose fibers B in which the length weighted average fiber length and the maximum distribution fiber length are 1.20 to 1.99 mm and the CSF is 500 to 50 ml; and 10 to 50 mass% of beaten regenerated cellulose fibers.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
