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    • 3. 发明专利
    • Mixed material paste for lithium ion secondary battery positive electrode
    • 用于锂离子二次电池正极的混合物料
    • JP2013073724A
    • 2013-04-22
    • JP2011210581
    • 2011-09-27
    • Toyo Ink Sc Holdings Co Ltd東洋インキScホールディングス株式会社
    • TERASAWA MASAHIROMAKI SHINICHIROHIROTA NAOHISANAKASONE DAISUKEHIMIZU AKIO
    • H01M4/139H01M4/13H01M4/62
    • Y02E60/122
    • PROBLEM TO BE SOLVED: To provide: a mixed material paste for a lithium ion secondary battery positive electrode, suppressed in precipitation of a positive electrode active material, and excellent in coatability and temporal stability; a positive electrode for a lithium ion secondary battery, obtained using the mixed material paste and excellent in charge/discharge characteristics; and a lithium ion secondary battery.SOLUTION: The mixed material paste for a lithium ion secondary battery positive electrode comprises: a positive electrode active material; a binder; a carbon material serving as a conductive assistant; a solvent; a dispersant; and a salt represented by general formula (1) and/or general formula (2) and/or general formula (3). General formula (1): AX(In the formula, A represents an a-valent element selected from among Li, Na, K, Rb, Cs, Be, Mg, Ca, Sr and Ba, X represents halogen, and (a) represents a valence of A.) General formula (2): NHX (In the formula, X represents halogen.) General formula (3): D(HX)(In the formula, D represents an amine having d amino groups, X represents halogen, and d represents an integer equivalent to a number of amino groups in D.)
    • 要解决的问题:提供:用于锂离子二次电池正极的混合材料浆料,抑制正极活性物质的沉淀,涂布性和时间稳定性优异; 使用该混合材料糊料获得的锂离子二次电池用正极,充放电特性优异; 和锂离子二次电池。 解决方案:用于锂离子二次电池正极的混合材料浆料包括:正极活性材料; 粘合剂 用作导电助剂的碳材料; 溶剂; 分散剂; 和由通式(1)和/或通式(2)和/或通式(3)表示的盐。 通式(1):AX a (式中,A表示选自Li,Na,K,Rb,Cs,Be,Mg,Ca ,Sr和Ba,X表示卤素,(a)表示A的化合价。)通式(2):X(式中,X表示卤素。 )通式(3):D(HX) D(在该式中,D表示具有d个氨基的胺,X表示卤素,d表示与 D中的氨基数)。版权所有(C)2013,JPO&INPIT
    • 5. 发明专利
    • Carbon black dispersion and use thereof
    • 碳黑分散和使用
    • JP2014193986A
    • 2014-10-09
    • JP2013125306
    • 2013-06-14
    • Toyo Ink Sc Holdings Co Ltd東洋インキScホールディングス株式会社
    • TAKAHASHI KOHEIMAKI SHINICHIROHIROTA NAOHISATERASAWA MASAHIRO
    • C09D17/00C09C1/48C09C3/08C09C3/10H01M4/13H01M4/62H01M10/0525
    • Y02E60/122
    • PROBLEM TO BE SOLVED: To provide a carbon black dispersion using N-methyl-2-pyrrolidone as a solvent, which has lower viscosity and higher concentration and is more excellent in dispersibility and storage stability, compared to a conventional resin type dispersant; and to provide a battery electrode mixture layer which has homogeneous and good coating film properties and low surface resistance, and a lithium ion secondary battery provided with the same.SOLUTION: Provided is a carbon black dispersion comprising carbon black, a polyvinyl alcohol resin as a dispersant, and N-methyl-2-pyrrolidone as a solvent. A saponification degree of the polyvinyl alcohol resin is 60 to 85 mol%. When a BET specific surface area of the carbon black is denoted by X m/g and an amount of addition of the polyvinyl alcohol resin relative to 1 g of the carbon black is denoted by aX g, a is in a range of 0.00017≤a≤0.00256. An amount of the polyvinyl alcohol resin relative to 100 pts.wt of the carbon black is 2 pts.wt. or more and 8 pts.wt. or less.
    • 要解决的问题:与常规树脂型分散剂相比,​​提供一种使用N-甲基-2-吡咯烷酮作为溶剂的炭黑分散体,其具有较低的粘度和更高的浓度,并且分散性和储存稳定性更优异; 并提供具有均匀且良好的涂膜性能和低表面电阻的电池电极混合物层,以及提供其的锂离子二次电池。解决方案:提供一种炭黑分散体,其包含炭黑,聚乙烯醇树脂作为 分散剂和N-甲基-2-吡咯烷酮作为溶剂。 聚乙烯醇树脂的皂化度为60〜85摩尔%。 当炭黑的BET比表面积由Xm / g表示时,聚乙烯醇树脂相对于1g炭黑的添加量由X g表示,a在0.00017≤a的范围内 ≤0.00256。 相对于100重量份的炭黑,聚乙烯醇树脂的量为2重量份。 或更多和8点重 或更少。
    • 6. 发明专利
    • カーボンブラック分散液およびその利用
    • 碳黑分散体及其应用
    • JP2015030777A
    • 2015-02-16
    • JP2013160469
    • 2013-08-01
    • 東洋インキScホールディングス株式会社Toyo Ink Sc Holdings Co Ltd
    • TAKAHASHI KOHEIMAKI SHINICHIROHIROTA NAOHISATERASAWA MASAHIRO
    • C09C1/48C09C3/08C09C3/10C09D17/00H01M4/62
    • 【課題】従来の樹脂型分散剤と比較して、低粘度かつ高濃度な分散性、貯蔵安定性に優れたN−メチル−2−ピロリドンを溶剤とするカーボンブラック分散液を提供すること。また、均質で良好な塗膜物性と表面抵抗の低い電池電極合材層およびそれを具備してなるリチウムイオン二次電池を提供すること。【解決手段】カーボンブラックと、ビニルアルコール骨格含有樹脂と、N−メチル−2−ピロリドンと、アミン系化合物とを含有し、カーボンブラック100重量部に対して、ビニルアルコール骨格含有樹脂を1重量部以上、15重量部以下含有し、かつアミン系化合物を0.1から2.6重量部含有することを特徴とするカーボンブラック分散液。【選択図】なし
    • 要解决的问题:为了提供一种使用具有低粘度,高浓度分散性和作为溶剂的优异稳定性的N-甲基-2-吡咯烷酮的炭黑分散体,与常规树脂型分散剂相比,​​具有 均匀且良好的涂膜性能和低表面电阻以及设置有电池电极层叠材料层的锂离子二次电池。解决方案:炭黑分散体包含炭黑,含有乙烯醇骨架的树脂,N-甲基-2- 吡咯烷酮和胺型化合物,含有乙烯醇骨架的树脂的含量为1-15个。 重量 胺类化合物的含量为0.1〜2.6重量份。 重量 到100点 重量 的炭黑。
    • 7. 发明专利
    • Carbon black dispersion and use thereof
    • 碳黑分散和使用
    • JP2014194001A
    • 2014-10-09
    • JP2014003158
    • 2014-01-10
    • Toyo Ink Sc Holdings Co Ltd東洋インキScホールディングス株式会社
    • TAKAHASHI KOHEIMAKI SHINICHIROHIROTA NAOHISATERASAWA MASAHIRO
    • C09D17/00H01M4/13H01M4/139H01M4/62
    • Y02E60/122
    • PROBLEM TO BE SOLVED: To provide a carbon black dispersion using N-methyl-2-pyrrolidone as a solvent, which has lower viscosity and higher concentration and is more excellent in dispersibility and storage stability, compared to a conventional resin type dispersant; and to provide a battery electrode mixture layer which has homogeneous and good coating film properties and low surface resistance, and a lithium ion secondary battery provided with the same.SOLUTION: Provided is a carbon black dispersion comprising carbon black, a polyvinyl alcohol as a dispersant, and N-methyl-2-pyrrolidone as a solvent. A BET specific surface area of the carbon black is 30 to 1500 m/g, a saponification degree of the polyvinyl alcohol is 60 to 85 mol%, and an amount of the polyvinyl alcohol relative to 100 pts.wt. of the carbon black is more than 8 pts.wt. and 40 pts.wt. or less.
    • 要解决的问题:与常规树脂型分散剂相比,​​提供一种使用N-甲基-2-吡咯烷酮作为溶剂的炭黑分散体,其具有较低的粘度和更高的浓度,并且分散性和储存稳定性更优异; 并且提供具有均匀且良好的涂膜性能和低表面电阻的电池电极混合物层,以及提供其的锂离子二次电池。解决方案:提供一种炭黑分散体,其包含炭黑,聚乙烯醇作为分散剂 ,和N-甲基-2-吡咯烷酮作为溶剂。 炭黑的BET比表面积为30〜1500m / g,聚乙烯醇的皂化度为60〜85摩尔%,聚乙烯醇的相对于100重量份。 的炭黑超过8重量 和40磅 或更少。
    • 8. 发明专利
    • Carbon black dispersion and use thereof
    • 碳黑分散和使用
    • JP2014193996A
    • 2014-10-09
    • JP2013215953
    • 2013-10-17
    • Toyo Ink Sc Holdings Co Ltd東洋インキScホールディングス株式会社
    • TAKAHASHI KOHEIMAKI SHINICHIROHIROTA NAOHISATERASAWA MASAHIRO
    • C09C3/10C09C1/00H01M4/62
    • Y02E60/122
    • PROBLEM TO BE SOLVED: To provide a carbon black dispersion using N-methyl-2-pyrrolidone as a solvent, which has lower viscosity and higher concentration and is more excellent in dispersibility and storage stability, compared to a conventional resin type dispersant; and to provide a battery electrode mixture layer which has homogeneous and good coating film properties and low surface resistance, and a lithium ion secondary battery provided with the same.SOLUTION: Provided is a carbon black dispersion comprising carbon black, a polyvinyl alcohol resin as a dispersant, and N-methyl-2-pyrrolidone as a solvent. A saponification degree of the polyvinyl alcohol resin is 60 to 85 mol%. When a BET specific surface area of the carbon black is denoted by X m/g and an amount of addition of the polyvinyl alcohol resin relative to 1 g of the carbon black is denoted by aX g, a is in a range of 0.00017≤a≤0.00256.
    • 要解决的问题:与常规树脂型分散剂相比,​​提供一种使用N-甲基-2-吡咯烷酮作为溶剂的炭黑分散体,其具有较低的粘度和更高的浓度,并且分散性和储存稳定性更优异; 并提供具有均匀且良好的涂膜性能和低表面电阻的电池电极混合物层,以及提供其的锂离子二次电池。解决方案:提供一种炭黑分散体,其包含炭黑,聚乙烯醇树脂作为 分散剂和N-甲基-2-吡咯烷酮作为溶剂。 聚乙烯醇树脂的皂化度为60〜85摩尔%。 当炭黑的BET比表面积由Xm / g表示时,聚乙烯醇树脂相对于1g炭黑的添加量由X g表示,a在0.00017≤a的范围内 ≤0.00256。