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| Study on the Performance of Aluminum Electrolytic Capacitor Separator Prepared from Hemp Bamboo Fiber |
| Received:December 25, 2023 |
| DOI：10.11980/j.issn.0254-508X.2024.06.013 |
| Key Words:aluminum electrolytic capacitor separator hemp and bamboo pulp water absorption insulation properties |
| Fund Project:装备预研教育部联合基金（8091B042106）。 |
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| Abstract:This study prepared the preparation of single-layer aluminum electrolytic capacitor separator by using hemp bamboo pulp and sisal pulp as raw materials under low tightness， after the same process treatment， PFI grinding and refining treatment， and PTI wet forming， and whether hemp bamboo pulp could be used as raw materials for electrolytic capacitor separators. The pore size， water absorption and insulation properties of the electrolytic capacitor separator prepared by slurry were tested. The results showed that the average pore sizes of the 20 and 65 °SR separator were 24.88 and 1.11 μm，respectively. The water absorption value of erection was 26.89 and 35.59 g/m2，respectively. The breakdown strength under AC was 59.12 and 97.98 kV/cm，respectively. The average pore sizes of the sisal septum at 20 °SR and 65 °SR were 26.67 μm and 7.12 μm，respectively. The water absorption value of erection was 21.25 and 33.24 g/m2，respectively. The breakdown strength under AC was 50.68 and 92.21 kV/cm，respectively. It was found that the surface water absorption capacity and breakdown strength of the separator were greater than those of the sisal separator， and its pore size was smaller than that of the sisal separator， so it showed that the hemp bamboo pulp could be used as the raw material for the separator of aluminum electrolytic capacitors. |
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