摘要:
Disclosed is a microporous polyethylene film for a battery separator and a method of producing the same. The microporous polyethylene film comprises a resin mixture, which includes 100 parts by weight of composition containing 20-50 wt % polyethylene with a weight average molecular weight of 5×104-3×105 (component I) and 80-50 wt % diluent (component II), 0.1-2 parts by weight of peroxide (component III), and 0.05-0.5 parts by weight of anti-oxidant (component IV). The microporous polyethylene film has a puncture strength of 0.22 N/μm or more and a gas permeability (Darcy's permeability constant) of 1.3 Darcy or more. The present invention increases production efficiency of the microporous film, and improves performances and stability of the battery when the microporous polyethylene film is used in a battery separator.
摘要:
Disclosed is a microporous polyethylene film for a battery separator and a method of producing the same. The microporous polyethylene film comprises a resin mixture, which includes 100 parts by weight of composition containing 20-50 wt % polyethylene with a weight average molecular weight of 5×104-3×105 (component I) and 80-50 wt % diluent (component II), 0.1-2 parts by weight of peroxide (component H), and 0.05-0.5 parts by weight of anti-oxidant (component IV). The microporous polyethylene film has a puncture strength of 0.22 N/μm or more and a gas permeability (Darcy's permeability constant) of 1.3×10−5 Darcy or more. The present invention increases production efficiency of the microporous film, and improves performances and stability of the battery when the microporous polyethylene film is used in a battery separator.
摘要:
Disclosed is a microporous high density polyethylene film for a battery separator and a method of producing the same. The microporous high density polyethylene film includes high density polyethylene with a weight average molecular weight of 2×105-5×105, containing 5 wt % or less molecule with a molecular weight of 1×104 or less. The microporous high density polyethylene film has tensile strengths of 1,100 kg/cm2 or more in transverse and machine directions respectively, a puncture strength of 0.22 N/μm or more, a gas permeability (Darcy's permeability constant) of 1.3×10−5 Darcy or more, and shrinkages of 5% or less in machine and transverse directions, respectively. Particularly, the microporous high density polyethylene film has an excellent extrusion-compoundabiliy and stretchability and a high productivity, and can improve the performances and stability of a battery produced using the same.
摘要翻译:公开了一种用于电池隔膜的微孔高密度聚乙烯膜及其制造方法。 微孔高密度聚乙烯膜包括重均分子量为2×10 5 -5×10 5的高密度聚乙烯,其含有5重量%或更少的分子量为1×10 5 4以下。 微孔高密度聚乙烯膜的横向和机械方向的拉伸强度分别为1100kg / cm 2以上,穿刺强度为0.22N / m 2以上,透气度(达西渗透率常数) 分别为1.3×10 -5以上的达西或以上,并且在纵向和横向上分别为5%以下的收缩。 特别地,微孔高密度聚乙烯膜具有优异的挤出复合性和拉伸性和高生产率,并且可以提高使用其制造的电池的性能和稳定性。
摘要:
The present invention relates to an artificial solar light system, and more particularly, to an artificial solar light system using light emitting diodes. The present invention can provide an artificial solar light system using light emitting diodes, which can represent the same light emission effects as the sun with time. Further, the present invention can provide an artificial solar light system using light emitting diodes, which is inexpensive and is not affected by positions or climate.
摘要:
The disc protection casing includes a disc protection casing body having a disc receiving space therein. A disc holder, insertable into the interior of the disc protection casing body, has an elastic member formed at one end of the same for supporting a disc. When the disc holder is inserted into the casing body, a shoulder on the elastic member contacts a guide member in the casing body and the elastic member releases a disc supported thereby.
摘要:
The present invention provides a heat conducting slug having a multi-step structure, which is installed to an LED package to dissipate heat generated from a light emitting chip to the outside. The heat conducting slug includes a first slug, a second slug formed on the first slug, and a third slug formed on the second slug, wherein the light emitting chip is mounted to the third slug, and the second and third slugs respectively shaped to have edges are arranged to cross each other. In this configuration, heat generated from a light emitting chip follows a heat dissipation path, in which the heat is gathered at edges of one slug and dissipated therefrom and then gathered toward edges of another slug, arranged to cross the one slug. Accordingly, the entire heat dissipation path is not concentrated at a specific region but generally distributed widely, thereby improving a heat dissipation effect of the heat conducting slug.
摘要:
The present invention provides a heat conducting slug having a multi-step structure, which is installed to an LED package to dissipate heat generated from a light emitting chip to the outside. The heat conducting slug includes a first slug, a second slug formed on the first slug, and a third slug formed on the second slug, wherein the light emitting chip is mounted to the third slug, and the second and third slugs respectively shaped to have edges are arranged to cross each other. In this configuration, heat generated from a light emitting chip follows a heat dissipation path, in which the heat is gathered at edges of one slug and dissipated therefrom and then gathered toward edges of another slug, arranged to cross the one slug. Accordingly, the entire heat dissipation path is not concentrated at a specific region but generally distributed widely, thereby improving a heat dissipation effect of the heat conducting slug.
摘要:
The present invention discloses a carbon-porous media composite electrode material, a composite electrode using the same and a preparation method thereof. The carbon-porous media composite electrode can be applied for a device such as a secondary battery, a capacitor or the like, or for preparing ultra pure water using a capacitive deionization process, purifying salty water or the like.
摘要:
The present invention relates to a light-emitting diode package having a plurality of inner leads, a plurality of outer leads extending from the inner leads, a slug electrically connected to at least one of the inner leads, the slug having a thermally conductive material, a light-emitting chip arranged on the slug, and a housing supporting the light-emitting diode package.
摘要:
The present invention relates to a backlight unit that includes at least one first light emitting diode (LED) package and at least one second LED package, wherein the first LED package includes a blue LED chip, a green LED chip, and a first phosphor, the first phosphor being excited by blue light and to emit light to be mixed with blue light and green light respectively emitted from the blue LED chip and the green LED chip, the first LED package to thereby emit white light; the second LED package includes a blue LED chip, a red LED chip, and a second phosphor, the second phosphor being excited by blue light and to emit light to be mixed with blue light and red light respectively emitted from the blue LED chip and the red LED chip, the second LED package to thereby emit white light; and the first LED package and the second LED package are alternately arranged.