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    • 1. 发明授权
    • 세퍼레이터 부직포와 그 제조 방법 및 알칼리 2차 전지용 세퍼레이터
    • 2分离材料及其生产方法和碱性二次电池分离器
    • KR101074236B1
    • 2011-10-14
    • KR1020057013376
    • 2004-01-23
    • 다이와보 홀딩스 가부시키가이샤
    • 야마모토히로유키기다다츠노리가미사사도시오
    • H01M2/16
    • H01M2/162D04H1/54H01M10/24Y10T428/2964Y10T428/31909Y10T428/31913Y10T442/692Y10T442/698
    • 본발명의세퍼레이터재료는, 섬도 0.5dtex 미만의폴리올레핀극세단섬유와다른폴리올레핀단섬유로이루어지고, 다른폴리올레핀단섬유로서폴리올레핀열접착성단섬유를포함하며, 적어도일부의상기폴리올레핀열접착성단섬유가평평화되어구성하는섬유를접착하고, 술폰화되어이루어지는부직포로서, 상기부직포의비표면적이 0.6㎡/g 이상 1.5㎡/g 이하의범위를만족함과동시에, 하기의범위를만족한다. (1) 상기부직포에서의전자분광법(ESCA)에의해측정되는탄소원자수(C)에대한유황원자수(S)의비(S/C)가 5×10이상 60×10이하의범위. (2) 상기부직포에서의플라스크연소법에의해측정되는탄소원자수(C)에대한유황원자수(S)의비(S/C)가 2.5×10이상 7×10이하의범위. (3) (S/C)와 (S/C)의비 [(S/C)/(S/C)] (술폰화심도)가 1.5 이상 12 이하의범위. 이에의해, 충방전을반복했을때의자기방전성능이높고, 전지를끼워넣을때의공정성이나내쇼트성이높은세퍼레이터재료와그 제조방법및 알칼리 2차전지용세퍼레이터를제공한다.
    • 本发明的隔膜材料是磺化非织造布,其包括细度小于0.5dtex的聚烯烃超细短纤维和其它聚烯烃短纤维。 其他聚烯烃短纤维包括聚烯烃热粘短纤维。 聚烯烃热粘短纤维的至少一部分变平,将组分纤维粘合在一起。 非织造布的比表面积为0.6m 2 / g〜1.5m 2 / g,满足以下范围。 (1)通过化学分析电子光谱法(ESCA)测定的无纺布中硫原子数(S)与碳原子数(C)的比(S / C)E在一定范围内 5×10 -3至60×10 -3。 (2)通过烧瓶燃烧技术测定的无纺布中硫原子数(S)与碳原子数(C)的比(S / C)B为2.5×10 -3〜 3> 7×10 -3。 (3)(S / C)E与(S / C)B的比(S / C)E /(S / C)B(磺化深度)在1.5〜12的范围内。 当重复执行充放电时具有高自放电性能的材料,组装电池时的高水平的处理性能和高水平的短路耐受能力; 其制造方法; 和碱性二次电池隔板。
    • 3. 发明公开
    • 세퍼레이터 부직포와 그 제조 방법 및 알칼리 2차 전지용 세퍼레이터
    • 分离材料及其制造方法和碱性二次电池分离器
    • KR1020050092771A
    • 2005-09-22
    • KR1020057013376
    • 2004-01-23
    • 다이와보 홀딩스 가부시키가이샤
    • 야마모토히로유키기다다츠노리가미사사도시오
    • H01M2/16
    • H01M2/162D04H1/54H01M10/24Y10T428/2964Y10T428/31909Y10T428/31913Y10T442/692Y10T442/698
    • A separator material is in the form of a nonwoven fabric made of extra-fine short fibers of polyolefin having a fineness of less than 0.5 dtex and short fibers of another polyolefin, the latter including polyolefin heat-bondable short fibers, the nonwoven fabric being formed by bonding fibers constituted by flattening at least part of the polyolefin heat-bondable short fibers, followed by sulfonation, the specific surface area of the nonwoven fabric satisfying the range of from 0.6 m2/g to 1.5 m2/g, the following ranges being also satisfied. (1) In the nonwoven fabric, the ratio (S/C) E of the number of carbon atoms (C) to the number of sulfur atoms (S), measured by electron spectroscopy (ESCA), is in the range of from 5x10-3 to 60x10-3. (2) In the nonwoven fabric, the ratio (S/C)B of the number of carbon atoms (C) to the number of sulfur atoms (S), measured by flask combustion method, is in the range of from 2.5x10-3 to 7x10-3. (3) The ratio [(S/C) E/(S/C)B] (sulfonation depth) of (S/C)E to(S/C) B is in the range of from 1.5 to 12, thereby providing a separator material ensuring high self-discharge performance when charge and discharge are repeated and high battery incorporation operation efficiency and high short-circuit resistance; a method of producing the same; and an alkali secondary battery separator.
    • 隔板材料为由细度小于0.5分特的聚烯烃的超细短纤维制成的无纺织物和另一种聚烯烃的短纤维的形式,后者包括聚烯烃可热粘合的短纤维,形成无纺织物 通过将通过使至少部分聚烯烃可热熔短纤维变平而构成的纤维结合,然后进行磺化,所述非织造布的比表面积满足0.6m 2 / g〜1.5m 2 / g的范围,以下范围也为 满意。 (1)在无纺布中,通过电子光谱法(ESCA)测定的碳原子数(C)与硫原子​​数(S)的比(S / C)E为5×10 6 -3至60x10-3。 (2)在无纺布中,通过烧瓶燃烧法测定的碳原子数(C)与硫原子​​数(S)的比(S / C)B在2.5×10 -3的范围内, 3到7x10-3。 (3)(S / C)E与(S / C)B的比[[S / C] E /(S / C)B](磺化深度)在1.5〜12的范围内, 重复充放电时保证高自放电性能,高电池并联运行效率和高短路电阻的隔膜材料; 其制造方法; 和碱性二次电池隔膜。