CN104779076A - 一种掺杂银锑合金的复合活性炭电极材料及其制备方法 - Google Patents
一种掺杂银锑合金的复合活性炭电极材料及其制备方法 Download PDFInfo
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 229910001245 Sb alloy Inorganic materials 0.000 title claims abstract description 22
- 239000002140 antimony alloy Substances 0.000 title claims abstract description 22
- 239000007772 electrode material Substances 0.000 title claims abstract description 22
- LGFYIAWZICUNLK-UHFFFAOYSA-N antimony silver Chemical compound [Ag].[Sb] LGFYIAWZICUNLK-UHFFFAOYSA-N 0.000 title claims abstract description 12
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- 238000002360 preparation method Methods 0.000 title claims description 7
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- 239000005083 Zinc sulfide Substances 0.000 claims abstract description 4
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 15
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- 239000011159 matrix material Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 6
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 6
- 239000000920 calcium hydroxide Substances 0.000 claims description 6
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- 238000000034 method Methods 0.000 claims description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 3
- 230000003213 activating effect Effects 0.000 claims description 3
- 229940037003 alum Drugs 0.000 claims description 3
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- 238000000137 annealing Methods 0.000 claims description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 3
- 235000013539 calcium stearate Nutrition 0.000 claims description 3
- 239000008116 calcium stearate Substances 0.000 claims description 3
- 238000010000 carbonizing Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
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- 235000014413 iron hydroxide Nutrition 0.000 claims description 3
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
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- 235000011152 sodium sulphate Nutrition 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 229940070527 tourmaline Drugs 0.000 claims description 3
- 229910052613 tourmaline Inorganic materials 0.000 claims description 3
- 239000011032 tourmaline Substances 0.000 claims description 3
- 239000003575 carbonaceous material Substances 0.000 abstract description 3
- 229920000915 polyvinyl chloride Polymers 0.000 abstract 3
- 239000004800 polyvinyl chloride Substances 0.000 abstract 3
- 239000006087 Silane Coupling Agent Substances 0.000 abstract 1
- 229960004887 ferric hydroxide Drugs 0.000 abstract 1
- IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 229910052984 zinc sulfide Inorganic materials 0.000 abstract 1
- 239000003792 electrolyte Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical class Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
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- 229910044991 metal oxide Inorganic materials 0.000 description 1
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- 239000010970 precious metal Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
- H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
- H01G11/34—Carbon-based characterised by carbonisation or activation of carbon
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
本发明公开了一种掺杂银锑合金的复合活性炭电极材料,其特征在于,由下列重量份的原料制成:银锑合金1-2、介孔氧化硅1-2、丁晴橡胶1-2、纳米氢氧化铁3-4、硫化锌1-2、改性废弃PVC基活性炭110-130、硅烷偶联剂A-1711-2、蒸馏水10-15;本发明利用废弃的PVC制备电极材料活性炭,具有比表面积大、导电率高等优点,对资源合理化利用,解决环境污染的问题,掺杂的银锑合金增加活性炭的孔隙,增强导电性,提高炭基材料的能量密度,提高电极材料的电化学性能,使超级电容器充放电速度快,比电容高。
Description
技术领域
本发明涉及化学能源材料领域,特别是一种掺杂银锑合金的复合活性炭电极材料及其制备方法。
背景技术
当今世界,资源和能源日渐短缺,传统能源供不应求的紧张形势和日益严重的环境问题,使得新能源的大规模开发利用已势在必行。超级电容器具有高能量密度、高功率密度、大比能量的特性,被广范应用于各领域。但是目前超级电容器的瓶颈是能量密度偏低,主要是采用多孔化活性炭为电极,但其比表面积实际利用率低。而贵金属氧化物,具有准电容的性能,比电容高,但此类材料比表面积较小,性能不稳定,而且价格昂贵,限制了其商业化的运用。目前当前亟需解决的课题是如何大幅提高超级电容器的能量密度,而电极材料的性质是影响超级电容器性能的主要因素,所以要结合不同材料的特性制备出复合电极材料,来满足超级电容器的需求。
本发明利用废弃的PVC通过物理化学活化的方法制备出的活性炭孔径分布均匀,比表面积大,导电性优良,再掺杂银锑合金能够增加活性炭的孔隙,增强导电性,提高炭基材料的能量密度,并且电化学性能优良,充放电速度快,比电容高。
发明内容
本发明的目的是提供一种掺杂银锑合金的复合活性炭电极材料及其制备方法。
为了实现本发明的目的,本发明通过以下方案实施:
一种掺杂银锑合金的复合活性炭电极材料,由下列重量份的原料制成:银锑合金1-2、介孔氧化硅1-2、丁晴橡胶1-2、纳米氢氧化铁3-4、硫化锌1-2、改性废弃PVC基活性炭110-130、硅烷偶联剂A-1711-2、蒸馏水10-15;
所述改性废弃PVC基活性炭是由下列重量份的原料制成:硫酸钠2-3、硫酸铝钾1-2、电气石2-3、氨丙基三乙氧基硅烷2-3、硬脂酸钙1-2、氮化铝粉1-2、氧化石墨烯1-2、废弃PVC材料400-500、氢氧化钙15-25、20%的硫酸30-50;制备方法是将废弃PVC材料破碎、筛分后得到粒径在5-10mm的粒料,将所得粒料和氢氧化钙通入炭化炉中,通入预热至300°C的水蒸气,迅速升高温度至800-900°C进行炭化、活化,冷却至常温后加到20%的硫酸中,于60-70°C下反应3-5小时,再用去离子水洗涤至中性,和氨丙基三乙氧基硅烷及其余剩余的物质混合加热至70-90°C搅拌反应30-50分钟,干燥后研磨即可。
本发明所述一种掺杂银锑合金的复合活性炭电极材料,其特征在于,由以下步骤具体制成:
(1)将蒸馏水、丁晴橡胶和改性废弃PVC基活性炭混合搅拌均匀,加热至50-60°C,形成浆料,喷雾干燥后备用;
(2)将银锑合金加热至熔融和步骤(1)的产物及其余剩余物质混合搅拌均匀,置于管式炉中,通入纯氨气,在400-600°C温度下退火处理2-4小时,得到氮包覆的废弃PVC基复合电极材料。
本发明的优点是:本发明利用废弃的PVC制备电极材料活性炭,具有比表面积大、导电率高等优点,对资源合理化利用,解决环境污染的问题,掺杂的银锑合金增加活性炭的孔隙,增强导电性,提高炭基材料的能量密度,提高电极材料的电化学性能,使超级电容器充放电速度快,比电容高。
具体实施方案
下面通过具体实例对本发明进行详细说明。
一种掺杂银锑合金的复合活性炭电极材料,由下列重量份(公斤)的原料制成:银锑合金2、介孔氧化硅2、丁晴橡胶1、纳米氢氧化铁4、硫化锌1、改性废弃PVC基活性炭130、硅烷偶联剂A-1711、蒸馏水13;
所述改性废弃PVC基活性炭是由下列重量份(公斤)的原料制成:硫酸钠2、硫酸铝钾1、电气石2、氨丙基三乙氧基硅烷2、硬脂酸钙1、氮化铝粉2、氧化石墨烯2、废弃PVC材料500、氢氧化钙20、20%的硫酸45;制备方法是将废弃PVC材料破碎、筛分后得到粒径在5-10mm的粒料,将所得粒料和氢氧化钙通入炭化炉中,通入预热至300°C的水蒸气,迅速升高温度至800-900°C进行炭化、活化,冷却至常温后加到20%的硫酸中,于60-70°C下反应3-5小时,再用去离子水洗涤至中性,和氨丙基三乙氧基硅烷及其余剩余的物质混合加热至70-90°C搅拌反应30-50分钟,干燥后研磨即可。
本发明所述一种掺杂银锑合金的复合活性炭电极材料,由以下步骤具体制成:
(1)将蒸馏水、丁晴橡胶和改性废弃PVC基活性炭混合搅拌均匀,加热至50-60°C,形成浆料,喷雾干燥后备用;
(2)将银锑合金加热至熔融和步骤(1)的产物及其余剩余物质混合搅拌均匀,置于管式炉中,通入纯氨气,在400-600°C温度下退火处理2-4小时,得到氮包覆的废弃PVC基复合电极材料。
以实施例中的电极材料和导电剂、粘结剂按照比例混合,加入少量的无水乙醇混合均匀,均匀涂抹在不锈钢网集流体上真空干燥,以饱和甘汞电极为参比电极,聚四氟乙烯为隔膜,以6mol/l的KOH电解质水溶液为电解液,在1.2-2.5V的范围内,在恒流(5mA)下进行循环测试,容量:1.68F,内阻:1.7Ω·m,循环容量保持率(%):98.6。
Claims (2)
1.一种掺杂银锑合金的复合活性炭电极材料,其特征在于,由下列重量份的原料制成:银锑合金1-2、介孔氧化硅1-2、丁晴橡胶1-2、纳米氢氧化铁3-4、硫化锌1-2、改性废弃PVC基活性炭110-130、硅烷偶联剂A-1711-2、蒸馏水10-15;
所述改性废弃PVC基活性炭是由下列重量份的原料制成:硫酸钠2-3、硫酸铝钾1-2、电气石2-3、氨丙基三乙氧基硅烷2-3、硬脂酸钙1-2、氮化铝粉1-2、氧化石墨烯1-2、废弃PVC材料400-500、氢氧化钙15-25、20%的硫酸30-50;制备方法是将废弃PVC材料破碎、筛分后得到粒径在5-10mm的粒料,将所得粒料和氢氧化钙通入炭化炉中,通入预热至300°C的水蒸气,迅速升高温度至800-900°C进行炭化、活化,冷却至常温后加到20%的硫酸中,于60-70°C下反应3-5小时,再用去离子水洗涤至中性,和氨丙基三乙氧基硅烷及其余剩余的物质混合加热至70-90°C搅拌反应30-50分钟,干燥后研磨即可。
2.根据权利要求1所述一种掺杂银锑合金的复合活性炭电极材料,其特征在于,由以下步骤具体制成:
(1)将蒸馏水、丁晴橡胶和改性废弃PVC基活性炭混合搅拌均匀,加热至50-60°C,形成浆料,喷雾干燥后备用;
(2)将银锑合金加热至熔融和步骤(1)的产物及其余剩余物质混合搅拌均匀,置于管式炉中,通入纯氨气,在400-600°C温度下退火处理2-4小时,得到氮包覆的废弃PVC基复合电极材料。
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CN1295973A (zh) * | 1999-11-16 | 2001-05-23 | 可乐丽股份有限公司 | 活性炭及其制备方法 |
CN104364949A (zh) * | 2012-05-04 | 2015-02-18 | 新纳米有限公司 | 电池电极材料 |
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