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    • 2. 发明公开
    • 리튬이차전지 음극용 바인더
    • 锂二次电池阳极材料的粘合剂
    • KR1020140117313A
    • 2014-10-07
    • KR1020140091706
    • 2014-07-21
    • 한국세라믹기술원
    • 최병현지미정정성헌박근영
    • H01M4/62H01M4/38H01M4/587
    • H01M4/621H01M4/386H01M4/58H01M4/62
    • The present invention relates to a binder for an anode of a lithium secondary battery, which reduces expansion with respect to each of a silicon electrode active material, silicon-carbon composite electrode active material, and silicon alloy-based carbon electrode active material that are an anode material having high capacitance, has excellent binding force between active material particles and excellent adhering force to a current collector, improves secondary battery performance such as cycle life characteristics, and is thus suitable for each active material. The binder for the anode of the secondary battery according to the present invention is a binder for an anode active material of a secondary battery in which 80 wt% of carbon is added to 20 wt% of silicon, and is characterized in that carboxymethylcellulose is added in a weight ratio of 6:2 to an aqueous polyacrylic acid having low molecular weight of 450,000 (a polymerization degree of 5,000).
    • 本发明涉及一种锂二次电池的阳极用粘合剂,其能够相对于硅电极活性物质,硅 - 碳复合电极活性物质和硅合金类碳电极活性物质中的每一种而减少膨胀,其为 具有高电容性的阳极材料,具有优异的活性物质粒子之间的结合力和对集电体的优异的附着力,提高二次电池性能,例如循环寿命特性,因此适合于各种活性物质。 根据本发明的用于二次电池的阳极的粘合剂是二次电池的负极活性物质的粘合剂,其中在20重量%的硅中加入80重量%的碳,其特征在于加入羧甲基纤维素 与低分子量为45万(聚合度为5,000)的聚丙烯酸水溶液的重量比为6:2。
    • 3. 发明公开
    • 리튬이온이차전지용 음극 조성물
    • 粘合剂在具有高容量的阳极材料中具有良好的电化学性能和低体积扩增比,其中SI,SI-C基复合材料和基于SI的合金-C复合材料用于锂离子电池
    • KR1020140117013A
    • 2014-10-07
    • KR1020130031656
    • 2013-03-25
    • 한국세라믹기술원
    • 최병현지미정정성헌박근영
    • H01M4/62
    • Provided in the present invention is a binder which is suitable for each active material such as silicon which is high capacity negative material, a silicon-carbon composite and a silicon alloy-based carbon electrode active material, which decreases swelling, has greater connection between active material particles and greater connection with a current collector and makes service life and secondary battery performance better. Provided is a binder which has greater dispersion for active material particles and conducting materials, and dispersion thereof is also excellent, thereby improving the secondary battery performance.
    • 本发明中提供的粘合剂适用于各种活性物质,例如大容量负极材料的硅,硅 - 碳复合材料和硅合金基碳电极活性材料,其减少了膨胀,活性物质之间具有较大的连接 材料颗粒和与集电器的更大连接,使使用寿命和二次电池性能更好。 本发明提供一种对活性物质粒子和导电材料具有较大分散性的粘合剂,其分散性也优异,从而提高二次电池性能。
    • 9. 发明公开
    • 산질화물 형광체 및 그 제조방법
    • 磷光体及其合成方法
    • KR1020120104018A
    • 2012-09-20
    • KR1020110022057
    • 2011-03-11
    • 금호전기주식회사한국세라믹기술원
    • 최병현지미정정성헌김광복이선희이재민
    • C09K11/59H01L33/00
    • Y02B20/181
    • PURPOSE: An oxynitride phosphor with high extraction and high crystalline properties and a manufacturing method thereof are provided to be utilized in various light emitting devices including LED. CONSTITUTION: A manufacturing method of An oxynitride phosphor comprises the following steps: manufacturing an oxide precursor by mixing one or more silica, strontium oxide, barium fluoride, calcium fluoride, barium carbonate, calcium carbonate and boridation magnesium; and manufacturing the oxide precursor by reacting the oxide precursor, ammonia gas, and ammonium chloride at 1100-1350 deg. Celsius temperature range. The oxynitride phosphor having a structure represented by chemical formula 1 includes europium as an activator and has the luminescence intensity at 550 nano meters of 9,000-11,000 (a.u.). The chemical formula 1 is as follows: (Sr,Ba,Ca,Mg) Si2O2N2.
    • 目的:提供具有高提取和高结晶性的氮氧化物荧光体及其制造方法,用于包括LED的各种发光装置中。 构成:氮氧化物荧光体的制造方法包括以下步骤:通过混合一种或多种二氧化硅,氧化锶,氟化钡,氟化钙,碳酸钡,碳酸钙和硼化镁来制备氧化物前体; 并通过在1100-1350℃下使氧化物前体,氨气和氯化铵反应制备氧化物前体。 摄氏温度范围。 具有由化学式1表示的结构的氧氮化物荧光体包括铕作为活化剂,其发光强度为550纳米,为9,000-11,000(a.u.)。 化学式1如下:(Sr,Ba,Ca,Mg)Si 2 O 2 N 2。