Abstract:
본 발명은, 전극활물질인 다공성 활성탄 분말과, 상기 다공성 활성탄 분말 100중량부에 대하여 도전재 0.1∼20중량부와, 상기 다공성 활성탄 분말 100중량부에 대하여 불소 함유 바인더 1∼20중량부와, 상기 다공성 활성탄 분말 100중량부에 대하여 전도성 고분자 0.01∼10중량부 및 상기 다공성 활성탄 분말 100중량부에 대하여 분산매 100∼300중량부를 포함하며, 상기 전도성 고분자는 유도체로 폴리-3,4-알킬렌디옥시티오펜(poly-3,4-alkylendioxythiophene)을 포함하는 슈퍼커패시터 전극용 조성물 및 이를 이용한 슈퍼커패시터 전극의 제조방법에 관한 것이다. 본 발명에 의하면, 성형성이 우수하여 성형시간의 단축이 가능하고, 내구성, 전극 밀도 및 전극의 유연성을 높일 수 있으며, 에너지 밀도가 높아 고용량 특성을 발현할 수 있다.
Abstract:
공업용 탄산망간(MnCO 3 )을 열처리 및 분쇄하여 분말상의 이산화망간으로 제작한 후, 상기 이산화망간을 산처리하여 불순물을 제거하고, 수세(水洗) 및 여과 공정을 통하여 일정한 나노 크기의 이산화망간(CMD)을 손쉽고, 용이하게 제조하여 리튬이차전지 양극재에 우수한 전구체로서 사용할 수 있도록 한 탄산망간의 열 및 산처리를 이용한 이차전지 양극재용 나노 이산화망간(CMD) 제조방법 및 이를 통해 제조된 나노 이산화망간(CMD)에 관한 것이다. 그 기술적인 구성은, a)공업용 탄산망간을 Air 분위기하에 5℃/min으로 점차 승온시켜 300~400℃의 온도로 1~10시간 유지시킨 후 자연 냉각하여 이산화망간을 생성하는 단계와, b)상기 a)단계에서 생성된 이산화망간을 어트리션 밀(attrition mill) 분쇄기에서 이산화망간 20~30wt%에 대하여 마찰 분쇄용의 다수의 세라믹 볼(zirconia ball) 62wt% 및 증류수를 8~18wt% 혼합하여 분쇄하고, 상기 세라믹 볼을 제거한 분쇄물을 건조하여 분말상의 순수 이산화망간을 제작하는 단계와, c)교반기를 이용하여 상기 분쇄된 순수 이산화망간과 불순물 제거용액(황산, 질산, 염산)을 혼합하여 교반기 내부에서 일정한 온도로 혼합하는 단계와, d)상기 c)단계의 혼합물을 일정한 온도의 증류수를 이용하여 여과액의 pH가 6.5~7.5의 범위가 될 때까지 수세(水洗)작업을 수행한 후, 상기 수세된 순수 이산화망간을 여과기를 통하여 일정한 나노 크기의 이산화망간으로 여과하는 단계 및 e)상기 d)단계에서 일정한 나노 크기로 여과된 이산화망간을 오븐에서 일정한 온도로 건조하여 이산화망간을 제조하는 단계;를 포함하여 제조되는 것을 요지로 한다.
Abstract:
The present invention relates to a ceramic composition for producing lightweight porous pottery, a method for producing lightweight porous pottery using the same, and lightweight porous pottery produced thereby. More specifically, the ceramic composition comprises pottery clay and a pore forming agent, wherein the pore forming agent is a mixture including expansible clay and silicon carbide (SiC). The pottery produced using the ceramic composition according to the present invention has the general advantages of existing pottery and also has a volumetric specific gravity of 2 or less which is significantly lower than that of existing pottery. Also, by controlling pore formation and having porosity, the pottery produced using the ceramic composition is appropriate for use not only as a storing container for various sorts of foods including fermented foods but also as a tableware. Thus, it is expected that the pottery produced using the ceramic composition can contribute much to an increased demand for traditional pottery.
Abstract:
The present invention relates to a manufacturing method of a transfer paper for co-fire for cell configuration of solid oxide fuel cell, and a transfer paper for co-fire for cell configuration of solid oxide fuel cell manufactured thereby. The purpose of the present invention is to reduce cost of product through energy reduction followed by shortening processing time by completing an SOFC cell only with an electrode coating process and a hardening process. The manufacturing method of the transfer paper for co-fire for cell configuration of solid oxide fuel cell comprises the steps of: manufacturing a first transfer paper for co-fire by transferring anode paste to a transfer paper through an SUS mask having 65-75 ��of emulsion film and 300-350 mesh of wire diameter, and transferring anode functional layer paste and electrolyte paste successively on the top surface of the transferred anode paste layer, then drying the result naturally at 20-40; and manufacturing a second transfer paper for co-fire by screen-transferring interconnect paste on a transfer paper through an SUS mask having 65-75 ��of emulsion film and 300-350 mesh of wire diameter, and transferring cathode functional layer and cathode paste successively on the top surface of the transferred interconnect paste, then drying the result naturally at 20-40. [Reference numerals] (AA) Anode to Electrolyte co-fire transfer paper;(BB) Interconnect to Cathode co-fire transfer paper
Abstract:
PURPOSE: A positive active material for a lithium secondary battery is provided to improve the lifetime of a lithium secondary battery by suppressing the elution of manganese at high temperatures. CONSTITUTION: A positive active material includes a lithium-boron-based oxide glass coated on the surface of lithium-nickel-manganese oxide. The lithium-nickel-manganese oxide is LiNi_xMn_(2-x)O_4 in a spinel crystal structure, in which 0
Abstract:
PURPOSE: A lithium titanium oxide (Li4Ti5O12) negative electrode is provided to improve the tap density (apparent density), and to reduce the absolute usage amount of a binder when producing a negative electrode. CONSTITUTION: A Li4Ti5O12 negative electrode has a spherical structured particle, and the porosity by dispersing plural pores with the diameter of 1-200 nm on the surface of the particle or a bulk. The average particle diameter of the particle is 0.5-10 microns. The insertion and the separation of ions are available on the surface of the particle and the bulk through the pores by the charging and discharging operation. The porosity of the spherical structured particle is 1-50%, and the specific surface area of the spherical structured particle is in a range of 0.1-200 m^2/g.
Abstract translation:目的:提供锂二氧化钛(Li 4 Ti 5 O 12)负极以提高振实密度(表观密度),并且在制造负极时减少粘合剂的绝对使用量。 构成:Li 4 Ti 5 O 12负极具有球形结构化颗粒,并且通过在颗粒表面上分散直径为1-200nm的多个孔或体积来获得孔隙率。 颗粒的平均粒径为0.5-10微米。 通过充电和放电操作,离子的插入和分离可在颗粒的表面上通过孔隙获得。 球形结构颗粒的孔隙率为1-50%,球形结构颗粒的比表面积为0.1-200m 2 / g。
Abstract:
PURPOSE: A manufacturing method of a photo-oxidative coating composition is provided to provide a photocurable coating composition capable of facilitating titanium dioxide on SUS or aluminum metal tube. CONSTITUTION: A manufacturing method of a photo-oxidative coating composition comprises: a step of mixing aluminum hydroxide(AlOOH) sol or toluene of a specific mixing ratio into titanium dioxide(TiO2) sol or mixing toluene and aluminum hydroxide(AlOOH) with a constant mixing ratio. The titanium dioxide and aluminum hydroxide sol is mixed to the mixing ratio of 65-75 vol%: 23-35 vol%. The titanium dioxide(TiO2) sol and toluene and aluminum hydroxide sol are mixed to the mixing ratio of 7:2:1 vol%.
Abstract:
PURPOSE: A hybrid super capacitor and a manufacturing method thereof are provided to have high energy density by increasing an operation voltage through an electrode active material of a cathode and an anode. CONSTITUTION: An anode(120) includes a lithium transition metal oxide. A cathode(110) includes a porous activated carbon. The porous activated carbon has a plurality of pores. The plurality of pores provides a path for inflowing or discharging an electrolyte ion. A separation film(160) prevents a short circuit of the cathode and the anode.