CN107033501A - 一种超级电容器用聚偏二氟乙烯隔膜 - Google Patents
一种超级电容器用聚偏二氟乙烯隔膜 Download PDFInfo
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- 239000002033 PVDF binder Substances 0.000 title claims abstract description 17
- 229920002981 polyvinylidene fluoride Polymers 0.000 title claims abstract description 17
- 239000012528 membrane Substances 0.000 title claims abstract description 15
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 12
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 10
- WWXUGNUFCNYMFK-UHFFFAOYSA-N Acetyl citrate Chemical compound CC(=O)OC(=O)CC(O)(C(O)=O)CC(O)=O WWXUGNUFCNYMFK-UHFFFAOYSA-N 0.000 claims abstract description 6
- 108010080379 Fibrin Tissue Adhesive Proteins 0.000 claims abstract description 6
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- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims abstract description 6
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 5
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- RBTVSNLYYIMMKS-UHFFFAOYSA-N tert-butyl 3-aminoazetidine-1-carboxylate;hydrochloride Chemical compound Cl.CC(C)(C)OC(=O)N1CC(N)C1 RBTVSNLYYIMMKS-UHFFFAOYSA-N 0.000 claims abstract description 4
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- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 4
- MOTZDAYCYVMXPC-UHFFFAOYSA-N dodecyl hydrogen sulfate Chemical compound CCCCCCCCCCCCOS(O)(=O)=O MOTZDAYCYVMXPC-UHFFFAOYSA-N 0.000 claims description 3
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- WFLOTYSKFUPZQB-UHFFFAOYSA-N 1,2-difluoroethene Chemical group FC=CF WFLOTYSKFUPZQB-UHFFFAOYSA-N 0.000 claims 1
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- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 abstract description 5
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- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
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- 230000003647 oxidation Effects 0.000 description 1
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Abstract
本发明公开了一种超级电容器用聚偏二氟乙烯隔膜，其由以下重量份的原料制成：聚偏二氟乙烯60‑70份、聚己内酯20‑30份、十八醇8‑10份、明胶10‑15份、聚环氧乙烯3‑6份、柠檬酸酯4‑7份、醋酸乙烯酯乳液12‑20份、纤维蛋白胶10‑15份、氧化镁8‑15份、硬脂酸锌3‑5份、乙酰柠檬酸酯5‑10份、硫酸锂10‑16份、纳米三氧化二铝5‑15份。本发明提供的超级电容器用聚偏二氟乙烯隔膜具有良好力学性能、热稳定性、耐酸性、抗水解，可很好的降低超级电容器的内阻，提高超级电容器的工作性能。
Description
技术领域
本发明涉及一种超级电容器用聚偏二氟乙烯隔膜。
背景技术
超级电容器又称双电层电容器、黄金电容、法拉第电容，是一种新型的储能原件，它兼有物理电容器和电池的特性，能提供比物理电容器更高的能量密度，比电池具有更高的功率密度和更长的循环寿命，并且这种电容器己在工业领域实现产业化和实际应用。超级电容器是利用双电层原理的电容器。当外加电压加到超级电容器的两个极板上时，与普通电容器一样，极板的正电极存储正电荷，负极板存储负电荷，在超级电容器的两极板上电荷产生的电场作用下，在电解液与电极间的界面上形成相反的电荷，以平衡电解液的内电场，这种正电荷与负电荷在两个不同相之间的接触面上，以正负电荷之间极短间隙排列在相反的位置上，这个电荷分布层叫做双电层，因此电容量非常大。当两极板间电势低于电解液的氧化还原电极电位时，电解液界面上电荷不会脱离电解液，超级电容器为正常工作状态（通常为3V以下），如电容器两端电压超过电解液的氧化还原电极电位时，电解液将分解，为非正常状态。由于随着超级电容器放电 ，正、负极板上的电荷被外电路泄放，电解液的界面上的电荷相应减少。由此可以看出：超级电容器的充放电过程始终是物理过程，没有化学反应。因此性能是稳定的，与利用化学反应的蓄电池是不同的。超级电容器具有以下优点：在很小的体积下达到法拉级的电容量；无须特别的充电电路和控制放电电路；和电池相比过充、过放都不对其寿命构成负面影响；从环保的角度考虑，它是一种绿色能源；超级电容器可焊接，因而不存在像电池接触不牢固等问题。
新产品和新功能的电子整机日新月异、产品的市场寿命越来越短，这对电子元件各个方面要求更高。且由于受世界经济环境的影响，电容器产业面临能源成本、材料成本、劳动力成本、环保成本的全面上涨，而产品销售价格却一再下降，整个行业的经营受到双重压力。所以电子元件产业要变强，必须做到企业创新、行业创新、产品创新，才能跟上电子信息整机发展的需要。从结构上看，超级电容器主要由电极、电解质、隔膜、端板、引线和封装材料组成，其中电极、电解质和隔膜的组成和质量对超级电容器的性能起着决定性的影响，采用何种电极、电解质和隔膜材料将基本决定最终产品的类型与特性。为此，我们从隔膜着手，开发新的高性能的隔膜，提供一种超级电容器用聚偏二氟乙烯隔膜。
发明内容
本发明的目的在于提供一种超级电容器用聚偏二氟乙烯隔膜。
为了实现上述目的，本发明提供了一种超级电容器用聚偏二氟乙烯隔膜，由以下重量份的原料制得：聚偏二氟乙烯60-70份、聚己内酯20-30份、十八醇8-10份、明胶10-15份、聚环氧乙烯3-6份、柠檬酸酯4-7份、醋酸乙烯酯乳液12-20份、纤维蛋白胶10-15份、氧化镁8-15份、硬脂酸锌3-5份、乙酰柠檬酸酯5-10份、硫酸锂10-16份、纳米三氧化二铝5-15份。
其还包含十二烷基磺酸钠3-8份。
其还包含月桂醇硫酸钠4-8份。
有益效果：本发明提供的超级电容器用聚偏二氟乙烯隔膜具有良好力学性能、热稳定性、耐酸性、抗水解，可很好的降低超级电容器的内阻，提高超级电容器的工作性能。
具体实施方式
实施例1
本实施例提供的一种超级电容器用聚偏二氟乙烯隔膜，由以下重量份的原料制得：聚偏二氟乙烯60份、聚己内酯20份、十八醇8份、明胶10份、聚环氧乙烯3份、柠檬酸酯4份、醋酸乙烯酯乳液12份、纤维蛋白胶10份、氧化镁8份、硬脂酸锌3份、乙酰柠檬酸酯5份、硫酸锂10份、纳米三氧化二铝5份。
实施例2
本实施例提供的一种超级电容器用聚偏二氟乙烯隔膜，由以下重量份的原料制得：聚偏二氟乙烯70份、聚己内酯20-30份、十八醇10份、明胶15份、聚环氧乙烯6份、柠檬酸酯7份、醋酸乙烯酯乳液20份、纤维蛋白胶15份、氧化镁15份、硬脂酸锌5份、乙酰柠檬酸酯10份、硫酸锂16份、纳米三氧化二铝15份、十二烷基磺酸钠8份。
实施例3
本实施例提供的一种超级电容器用聚偏二氟乙烯隔膜，由以下重量份的原料制得：聚偏二氟乙烯70份、聚己内酯20-30份、十八醇10份、明胶15份、聚环氧乙烯6份、柠檬酸酯7份、醋酸乙烯酯乳液20份、纤维蛋白胶15份、氧化镁15份、硬脂酸锌5份、乙酰柠檬酸酯10份、硫酸锂16份、纳米三氧化二铝15份、十二烷基磺酸钠8份、月桂醇硫酸钠8份。
实施例4
上述实施例1-3使用的生产工艺为常规生产工艺，其步骤为：将各组分按质量配比在超声波反应器下超声共混1～3小时，过滤除去不溶物，静置脱泡，得到共混液；然后用流延法将共混液流延在玻璃模具上，膜的厚度控制在10～50um，在室温下干燥，干燥后将膜揭下，接着将揭下的膜置于干燥箱中进行热交联，在60～160℃温度范围内热交联10小时。
Claims (3)
1.一种超级电容器用聚偏二氟乙烯隔膜，其特征在于由以下重量份的原料制成：聚偏二氟乙烯60-70份、聚己内酯20-30份、十八醇8-10份、明胶10-15份、聚环氧乙烯3-6份、柠檬酸酯4-7份、醋酸乙烯酯乳液12-20份、纤维蛋白胶10-15份、氧化镁8-15份、硬脂酸锌3-5份、乙酰柠檬酸酯5-10份、硫酸锂10-16份、纳米三氧化二铝5-15份。
2.根据权利要求1所述的一种超级电容器用聚偏二氟乙烯隔膜，其特征在于：其还包含十二烷基磺酸钠3-8份。
3.根据权利要求2所述的一种超级电容器用聚偏二氟乙烯隔膜，其特征在于：其还包含月桂醇硫酸钠4-8份。
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| CN102360950A (zh) * | 2011-09-14 | 2012-02-22 | 中国第一汽车股份有限公司 | 一种用于柔性固态超级电容器的隔膜及其制备方法 |
| CN103493253A (zh) * | 2011-07-20 | 2014-01-01 | 株式会社Lg化学 | 隔膜、其制造方法和使用该隔膜的电化学器件 |
| CN105990034A (zh) * | 2016-01-27 | 2016-10-05 | 安徽旭峰电容器有限公司 | 一种非织造布抗撕裂抗菌电容器复合隔膜材料 |
| CN106328388A (zh) * | 2016-10-31 | 2017-01-11 | 安徽江威精密制造有限公司 | 一种添加多巴胺改性硫酸铝的复合静电纺隔膜材料 |
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| CN102360950A (zh) * | 2011-09-14 | 2012-02-22 | 中国第一汽车股份有限公司 | 一种用于柔性固态超级电容器的隔膜及其制备方法 |
| CN105990034A (zh) * | 2016-01-27 | 2016-10-05 | 安徽旭峰电容器有限公司 | 一种非织造布抗撕裂抗菌电容器复合隔膜材料 |
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