-
公开(公告)号：KR101682381B1
公开(公告)日：2016-12-05
申请号：KR1020150036077
申请日：2015-03-16
Applicant: 한국교통대학교산학협력단
IPC: C01B25/45 , C01B31/02 , H01M10/0525
Abstract: 본발명은전기화학적특성이뛰어난탄소코팅리튬인산철의제조방법으로서, 염화철이용하여인산철수화물분말을제조하는단계; 상기인산철수화물분말과리튬소스물질을혼합하여고상법으로전구체를제조하는단계; 상기전구체에탄소소스물질을첨가하여고에너지나노밀링하는단계; 및상기고에너지나노밀링하는단계에서얻어진수득물을건조및 소성하는단계를포함한다. 따라서본 발명에따른탄소코팅리튬인산철의제조방법은짧은공정시간, 비용절감및 전기적특성이향상된친환경적인탄소코팅리튬인산철을제공하는효과가있다.
Abstract translation: 本发明涉及具有优异的电化学性能的涂覆有碳酸锂的磷酸锂金属的制造方法。 该方法包括以下步骤：使用氯化铁生产磷酸铁水合物粉末; 通过混合磷酸铁水合物粉末和锂源材料，使用固相法制备前体; 通过在前体中添加碳源材料进行高能纳米 - 并干燥和煅烧在高能纳米级步骤中获得的产物。 涂覆有碳酸锂的磷酸锂的制备方法提供了环氧锂金属磷酸盐，涂覆了碳，工艺时间短，成本降低，电性能改善。
-
公开(公告)号：KR101454341B1
公开(公告)日：2014-10-27
申请号：KR1020130121715
申请日：2013-10-14
Applicant: 한국교통대학교산학협력단
IPC: H01L41/187
CPC classification number: H01L41/1876 , H01L41/43
Abstract: Disclosed are a piezoelectric ceramic capable of increasing a g33 value by maintaining a low-K (dielectric constant), and having a high d33 value without reducing a phase transition temperature (Tc) by adding BiYO_3 having a low-K to Pb(Zr_0.53Ti_0.47)O_3 and a method of fabricating the same. According to the present invention, the piezoelectric ceramic is expressed by the following chemical formula 1. [Chemical formula 1] (1-x) (Zr_0.53Ti_0.47)O_3 -x BiYO_3 (here, 0
Abstract translation: 公开了通过将具有低K的BiYO 3添加到Pb（Zr_0）中，能够通过保持低K（介电常数）来增加g33值并且具有高d33值而不降低相变温度（Tc）的压电陶瓷。 53Ti_0.47）O_3及其制造方法。 根据本发明，压电陶瓷由以下化学式1表示。[化学式1]（1-x）（Zr_0.53Ti_0.47）O_3-x BiYO_3（这里，0
-
3.发明公开pH 조절을 이용한 FePO₄제조 방법 및 이를 이용한 리튬이차전지 양극용 LiFePO₄/C 복합재 제조 방법 有权使用PH控制制造磷酸铁的方法和制造碳酸锂的磷酸铁锂作为锂二次电池的阴极的方法
公开(公告)号：KR1020140021791A
公开(公告)日：2014-02-20
申请号：KR1020120087917
申请日：2012-08-10
Applicant: 한국교통대학교산학협력단
IPC: C01G49/00 , C01B25/37 , H01M10/052
CPC classification number: C01B25/375 , H01M4/362 , H01M4/38 , H01M4/5825 , H01M10/052
Abstract: Disclosed are a production method of FePO4 using pH control, and a production method of LiFePO4/C for a positive electrode of a lithium secondary battery. The production method of FePO4 by the present invention comprises the following steps: (a) a step for adding a tervalent iron containing material into a phosphate containing solution; (b) a step for precipitating FePO4 by adjusting the pH of the solution from the (a) step; (c) a step for filtering the precipitated FePO4; and (d) a step for drying the filtered FePO4. [Reference numerals] (AA) Start; (BB) End; (S110) Add FeCL_3 in H_3PO_4 solution; (S120) FePO_4 precipitation through adding NH_4OH; (S130) Washing/filtering; (S140) Drying; (S150) Heat treatment
Abstract translation: 公开了使用pH控制的FePO 4的制造方法和锂二次电池的正极的LiFePO 4 / C的制造方法。 本发明的FePO 4的制造方法包括以下步骤：（a）将含有三价含铁材料添加到含磷酸盐溶液中的工序; （b）通过调节来自（a）步骤的溶液的pH来沉淀FePO 4的步骤; （c）过滤沉淀的FePO 4的步骤; 和（d）用于干燥过滤的FePO 4的步骤。 （附图标记）（AA）开始; （BB）结束; （S110）在H_3PO_4溶液中加入FeCl_3; （S120）通过添加NH_4OH沉淀FePO_4; （S130）洗涤/过滤; （S140）干燥; （S150）热处理
-
公开(公告)号：KR1020090066018A
公开(公告)日：2009-06-23
申请号：KR1020070133602
申请日：2007-12-18
Applicant: 한국교통대학교산학협력단
Abstract: A polyol, and a polyurethane resin for an adhesive using the polyol are provided to improve biodegradability and to lower a manufacturing cost by using a natural material. A polyol is prepared from an oil selected from the group consisting of an edible oil, a vegetable oil and the waste edible oil. The polyol is represented by the formula 1, wherein R is a hydrogen atom or (CH2)n-OH; and n is an integer of 1 ~ 10.
Abstract translation: 提供多元醇和用于使用多元醇的粘合剂的聚氨酯树脂以提高生物降解性并通过使用天然材料降低制造成本。 多元醇由选自食用油，植物油和废弃食用油的油制备。 多元醇由式1表示，其中R是氢原子或（CH 2）n -OH; n为1〜10的整数。
-
公开(公告)号：KR1020090013434A
公开(公告)日：2009-02-05
申请号：KR1020070077539
申请日：2007-08-01
Applicant: 한국교통대학교산학협력단
Abstract: A gas measurement device is provided to maximize a light traveling distance in a minimum space by using a plurality of reflecting mirrors so as to improve the sensitivity of a sensor for a small variation in the quantity of gas. A gas measurement device(100) includes a light source emitting light, a detector(40) detecting the light emitted from the light source, a filter(41) included in the detector to pass only a wavelength region of gas, which is to be measured, and a guide(60) for guiding the light emitted from the light source to the detector to increase the traveling distance of the light. The guide includes a plurality of bent guide channels(20) and a plurality of reflecting mirrors(30) placed at bent portions of the guide channels.
Abstract translation: 提供一种气体测量装置，通过使用多个反射镜使最小空间中的光行进距离最大化，从而提高传感器对于气体量变化小的灵敏度。 气体测量装置（100）包括发光的光源，检测从光源发射的光的检测器（40），检测器中包含的仅通过气体的波长区域的滤光器（41） 以及用于将从光源发射的光引导到检测器的引导件（60），以增加光的行进距离。 引导件包括多个弯曲的引导通道（20）和放置在引导通道的弯曲部分处的多个反射镜（30）。
-
Patent Agency Ranking
公开(公告)号：KR100783734B1
公开(公告)日：2007-12-11
申请号：KR1020060058386
申请日：2006-06-28
Applicant: 한국교통대학교산학협력단
CPC classification number: C22C1/02 , C22C19/07 , C22C2202/00
Abstract: A method for manufacturing Skutterudite by encapsulated induction melting is provided to minimize deformation of composition caused by a volatilization of components by performing a synthetic process on an encapsulated induction melting furnace. A method for manufacturing Skutterudite by encapsulated induction melting includes the steps of preparing raw material such as short type Co and Sb for composing CoSb6, charging the raw material into an encapsulated induction melting furnace, manufacturing the CoSb6 by melting the raw material in a vacuum atmosphere, and performing a thermal treatment for the solved CoSb6 in the vacuum for inducing homogenization and phase change.
Abstract translation: 提供了通过包封感应熔化制造方钴矿的方法，以通过在包封的感应熔化炉上进行合成方法来最小化由组分挥发引起的组合物的变形。 通过包封感应熔化制造方钴矿的方法包括制备用于构成CoSb6的短型Co和Sb等原料的步骤，将原料装入包封的感应熔炼炉中，通过在真空气氛中熔化原料制造CoSb6 并且在真空中对溶解的CoSb6进行热处理以诱导均匀化和相变。
-
公开(公告)号：KR100746647B1
公开(公告)日：2007-08-06
申请号：KR1020060103020
申请日：2006-10-23
Applicant: 한국교통대학교산학협력단
IPC: C04B35/653 , C04B14/34 , C04B14/36
Abstract: A method for producing thermoelectric skutterudites by doping a specific element to CoSb3 and closed induction melting is provided to improve thermoelectric properties. A method for producing thermoelectric skutterudites of CoSb3-yMy composition and includes loading Co, Sb and M as start materials in a quartz tube, followed by hermetical sealing in vacuum (M is Te or Sn); melting the mixture of the tube by high frequency induction power in a closed induction melting furnace; thermally treating the product in vacuum to induce homogenization and change of the phase. Upon loading of the star materials, Sb is loaded in the lower part and Co is loaded in the upper part to prevent segregation caused by specific gravity difference.
Abstract translation: 提供一种通过将特定元素掺杂到CoSb 3并闭合感应熔化来生产热电方钴矿以提高热电性能的方法。 一种制备CoSb3-yMy组合物的热电方钴矿的方法，包括将Co，Sb和M作为起始材料装入石英管中，随后在真空中真空密封（M为Te或Sn）; 在闭式感应熔化炉中通过高频感应功率将管的混合物熔化; 在真空中热处理产物以引起均质化和相变化。 在装载星形材料时，Sb装载在下部，并且Co装载在上部以防止由比重差引起的偏析。
-
公开(公告)号：KR100663236B1
公开(公告)日：2007-01-02
申请号：KR1019990034005
申请日：1999-08-17
Applicant: 한국교통대학교산학협력단
IPC: B22D18/04
Abstract: 기존의 재료보다 우수한 물성이나 기계적 성질을 가지는 용탕단조용 합금의 제조방법이 개시되어 있다. 본 발명에 따르면, Al-Fe계 합금 중 Fe조성을 1∼7wt％로 첨가한 합금으로 정하고, 상기 합금을 전기저항로에서 850∼900℃에서 용융처리 하였으며, 용탕중량의 0.2％범위에서 상업용 탈가스처리제로 탈가스처리를 행한 용탕으로 중력주조 및 용탕단조를 하고, 상기 용탕단조는 수직가압식 용탕단조 프레스를 이용하여 Φ5 × 10cm봉상형태의 시편을 제조하고, 이때 상기 용탕의 온도는 750℃로 주입온도를 유지하며, 금형은 200∼250℃로 예열하여 유성계 흑연 이형제로 금형내부와 펀치를 도포하고, 상기 용탕주입후 가압력은 50∼100MPa, 가압시간은 60sec, 가압속도는 20mm/sec로 설정한다.
-
公开(公告)号：KR1020170136779A
公开(公告)日：2017-12-12
申请号：KR1020160068734
申请日：2016-06-02
Applicant: 한국교통대학교산학협력단
Inventor： 어순철
Abstract: 본발명은니켈산화물이도핑된리튬인산철복합산화물탄소복합체의제조방법에관한것으로서, 보다상세하게는비정질 FePO·xHO 분말, 리튬소스및 NiO이혼합하는단계; 상기혼합분말에카본소스를혼합한후 밀링하는단계; 상기밀링된분말을공기분위기및 300 내지 400℃에서 1차소성하는단계; 및상기 1차소성후, 아르곤분위기하에서 1 내지 4℃/min의승온속도로 650 내지 750℃까지가열하여 2차소성하는단계를포함하되, 상기 NiO는비정질 FePO·xHO 분말 1몰에대하여 0.001몰이상내지 0.02몰미만범위로함유함으로써, 구조적안정성을개선하고전기전도도및 이온전도도등의전기화학적특성을향상시켜리튬이차전지에적용시 우수한전지성능을부여할수 있는니켈산화물이도핑된리튬인산철복합산화물탄소복합체의제조방법에관한것이다.
Abstract translation: 本发明涉及一种制造氧化镍掺杂的磷酸锂铁复合氧化物碳复合材料的方法，更特别是无定形的FePO·XHO粉末，锂源和NiO离婚加法步骤; 将混合粉末与碳源混合，然后研磨混合粉末; 首先在300-400℃的空气气氛中烧结粉碎的粉末; 和包括加热到步骤一次烧结后，以1氩气氛下，以4℃/ min的uiseung速度650〜750℃烧制二次，其中氧化镍是0.001摩尔相对于每摩尔无定形的FePO·XHO粉末 如果小于0.02摩尔，则可以提高结构稳定性，提高电导率，离子电导率等电化学特性，可以提供掺杂了氧化镍的磷酸铁锂复合体 氧化物碳复合材料。
-
10.发明公开리튬인산철 활물질 제조방법과 그에 따라 제조된 활물질 및 리튬이온 이차전지 제조방법과 그 활물질을 포함하는 리튬이온 이차전지 无效LIFEPO4的制造方法，通过该方法制造的活性材料，具有活性材料的锂离子二次电池和锂离子二次电池的制造方法
公开(公告)号：KR1020160069769A
公开(公告)日：2016-06-17
申请号：KR1020140175790
申请日：2014-12-09
Applicant: 한국교통대학교산학협력단
IPC: C01B25/45 , C01G49/00 , C01D15/00 , H01M4/58 , H01M10/0525
Abstract: 본발명은상대적으로저가인출발물질을사용하여리튬인산철활물질을제조하는방법에관한것으로, Fe(NO)를출발물질로하여 FePO를합성하는단계; 및상기 FePO와리튬소스물질을함께볼 밀링하여 LiFePO를합성하는단계를포함한다. 본발명은, 상대적으로저가의물질인 Fe(NO)를출발물질로사용함으로써, LiFePO캐소드활물질의제조비용을낮출수 있는효과가있다. 또한, 먼저출발물질인 Fe(NO)를사용하여 FePO를합성한뒤에이를사용하여 LiFePO를제조함으로써, 전기화학적특성이뛰어난활물질을제공할수 있는효과가있다.
Abstract translation: 本发明涉及一种使用相对便宜的原料制备磷酸铁锂活性物质的方法，该方法包括以Fe（NO 3）3原料合成FePO 4; 并用锂源材料球磨FePO_4以合成LiFePO_4。 本发明通过使用相对廉价的Fe（NO 3）3起始材料，具有降低LiFePO 4的正极活性物质的制造成本的效果。 此外，本发明通过使用Fe（NO 3）3的起始材料合成FePO 4，然后通过使用FePO 4制备LiFePO 4，从而具有提供具有优异的电化学性能的活性材料的效果。
-
-
-
-
-
-
-
-
-
Search Results
68
records
(took 0.026 seconds)
