-
公开(公告)号：KR101617836B1
公开(公告)日：2016-05-04
申请号：KR1020150017805
申请日：2015-02-05
Applicant: 한국화학연구원
Abstract: 본발명은전도성을가지는다양한탄소소재를이용한이차전지용탄소코팅된전극소재및 그제조방법에관한것으로, 상세하게는공침법및 수열반응을순차적으로적용하여구형의다공성구조를유지할수 있으며, 따라서이온전도도및 전자전도도가보다향상되고, 고용량, 고안정성, 높은충방전사이클및 향상된전기화학적특성을가지는이차전지용탄소코팅된전극소재및 그제조방법을제공할수 있다.
Abstract translation: 本发明涉及使用具有导电性的各种碳材料的二次电池用碳涂层电极材料及其制造方法，更具体地说，涉及具有高容量，高稳定性的二次电池用碳涂层电极材料 ，高充电 - 放电循环和改进的电化学性能及其制备方法。 用于二次电池的碳涂覆的电极材料可以通过依次应用共沉淀法和水热反应来保持球形多孔结构，从而更好地提高离子传导性和电子传导性。
-
公开(公告)号：KR1020150144879A
公开(公告)日：2015-12-29
申请号：KR1020140073582
申请日：2014-06-17
Applicant: 한국화학연구원
CPC classification number: Y02E60/128
Abstract: 본발명은산화아연양극활물질의제조방법및 이에따라제조되는산화아연양극활물질에관한것으로, 구체적으로는알루미늄전구체및 아연전구체를 pH 0.1 내지 0.5이고염산을포함하는용매에혼합하여혼합용액을제조하는단계(단계 1); 상기단계 1의혼합용액을가열하는단계(단계 2); 상기단계 2에서가열한혼합용액을산화분위기하에서열처리하여산화아연양극활물질을제조하는단계(단계 3); 및상기단계 3에서제조된산화아연양극활물질에루테늄전구체를이용하여루테늄을도입하는단계(단계 4);를포함하는산화아연양극활물질의제조방법에관한것이다. 본발명에따른산화아연양극활물질의제조방법은알루미늄및 아연전구체를산의종류와 pH가특정범위로조절된용매에혼합하여제조함으로써, 제조되는양극활물질이플레이크형태만으로이루어져최적의비표면적및 기공부피를가질수 있다. 또한, 마이크로파를이용하여쉽고빠르게산화아연양극활물질을제조할수 있다. 나아가, 양극활물질내로촉매를도입하여전기화학적특성을크게향상시킬수 있는효과가있다.
Abstract translation: 本发明涉及一种氧化锌正极活性物质的制造方法及其制造的氧化锌正极活性物质。 具体而言，该方法包括：（步骤1）通过将铝前体和锌前体与pH为0.1〜0.5的盐酸的溶剂混合来制造混合溶液; （步骤2）加热步骤1的混合溶液; （步骤3）通过在氧化气氛中热处理在步骤2中加热的混合溶液来生产氧化锌正极活性物质; 和（步骤4）通过使用钌前体将钌引入到在步骤3中制备的氧化锌正极活性物质中。 根据本发明的方法，通过将铝和锌前体与预定类型的酸和pH值的溶剂混合，正极活性物质可以仅形成为片状，从而具有最佳比表面积 和孔体积。 此外，可以使用微波更容易且更快地制造氧化锌正极活性物质。 此外，通过将催化剂引入正极活性物质中，可以大大提高电化学特性。
-
公开(公告)号：KR101561608B1
公开(公告)日：2015-10-20
申请号：KR1020140138112
申请日：2014-10-14
Applicant: 한국화학연구원
CPC classification number: Y02E60/128 , H01M4/90 , H01M4/88 , H01M12/02 , H01M12/08 , H01M2004/028
Abstract: 본발명은알루미늄전구체, 아연전구체및 루테늄전구체를용매에혼합하고산을첨가하여 pH가 0.05 내지 1.0인혼합용액을제조하는단계(단계 1); 상기단계 1에서제조된혼합용액을가열하여알루미늄도핑된산화아연(ZnO:Al) 및산화루테늄(RuO)을포함하는양극활물질전구체를제조하는단계(단계 2); 및상기단계 2에서제조된양극활물질전구체를 300 ℃내지 450 ℃의온도로열처리하는단계(단계 3);를포함하는리튬공기전지용양극활물질의제조방법을제공한다. 본발명에따른리튬공기전지용양극활물질의제조방법은알루미늄전구체, 아연전구체및 루테늄전구체를용매에혼합한후, 산도를특정범위로조절하여제조하고, 300 ℃내지 450 ℃의온도로열처리함으로써, 추가적인촉매도입단계를거치지않고우수한성능을가지는양극활물질을얻을수 있다. 또한, 알루미늄전구체, 아연전구체및 루테늄전구체의몰비를조절하여더욱우수한성능의양극활물질을얻을수 있으며, 마이크로파를이용하여쉽고빠르게알루미늄도핑된산화아연(ZnO:Al) 및산화루테늄(RuO)을포함하는양극활물질을제조할수 있다.
Abstract translation: 提供一种锂空气电池用正极活性物质的制备方法，其可以包括以下步骤：通过加入酸制备pH为0.05〜1.0的混合溶液，并混合铝前体，锌前体和钌 溶剂前体（步骤1）; 通过加热由步骤1（步骤2）制造的混合溶液制造包括ZnO：Al和RuO_2的正极活性物质前体; 并在300-450℃下热处理由步骤2制造的正极活性物质前体（步骤3）。 用于锂空气电池的正极活性材料的制备方法可以获得具有优异功能的正极活性材料，而无需额外的催化剂工艺。 此外，通过调整铝前体，锌前体和钌前体的摩尔比，可以获得具有更优异的功能的正极活性物质。 通过使用微波，可以简单且快速地获得含有ZnO：Al和RuO_2的正极活性物质。
-
公开(公告)号：KR101414721B1
公开(公告)日：2014-07-04
申请号：KR1020130023819
申请日：2013-03-06
Applicant: 한국화학연구원
Abstract: The present invention relates to an aluminum oxide-based phosphor for excitation of ultraviolet rays and a light emitting element using the same. More specifically, the technical feature of the phosphor given in the present invention is adding one or more active elements selected from a group of manganese (Mn), terbium (Tb), and europium (Eu) to a CeAl11O18 phosphor or CeAl11O18 phosphor. According to the present invention, the phosphor absorbs light with wavelengths of 300-400 nm, which is in a near ultraviolet ray range with high-excitation efficiency, and emits light in the entire visual ray range of 400-650 nm. The phosphor also has high light emitting brightness and excellent thermal stability capable of maintaining the brightness even under long-time heat radiation conditions compared to a commercialized BAM phosphor or YAG phosphor, thereby being useful as a phosphor for a light emitting element for excitation of ultraviolet rays and, in particular, as a phosphor for a white light emitting diode for excitation of ultraviolet rays.
Abstract translation: 本发明涉及用于激发紫外线的氧化铝系荧光体和使用其的发光元件。 更具体地，本发明中给出的荧光体的技术特征是将一种或多种选自锰（Mn），铽（Tb）和铕（Eu）的有源元素添加到CeAl11O18磷光体或CeAl11O18荧光体中。 根据本发明，荧光体以高激发效率吸收处于近紫外线范围的波长为300〜400nm的光，并且在400-650nm的整个视野范围内发光。 与商业化的BAM荧光体或YAG荧光体相比，荧光体还具有高的发光亮度和优异的热稳定性，能够在长时间的热辐射条件下保持亮度，从而可用作用于激发紫外线的发光元件的荧光体 特别是作为用于紫外线激发的白色发光二极管的荧光体。
-
35.发明公开
公开(公告)号：KR1020130138971A
公开(公告)日：2013-12-20
申请号：KR1020120062554
申请日：2012-06-12
Applicant: 한국화학연구원 , 전남대학교산학협력단
CPC classification number: Y02B20/181
Abstract: The present invention relates to a fluorescent body capable of being used for an LED lighting, more specifically an oxy-fluoride based fluorescent body with improved light emitting efficiency in a 390-470 nm light source for optical pumping by substituting terbium (Tb), lanthanum (La), and gadolinium (Gd) of the fluorescent body. The oxy-fluoride based fluorescent body of the present invention can be applied to light emitting devices including a light emitting diode, a laser diode, a surface emitting laser diode, an inorganic electroluminescence element, and an organic electroluminescence element.
Abstract translation: 本发明涉及一种能够用于LED照明的荧光体，更具体而言，在390-470nm的光源中，通过用铽（Tb），镧 （La）和钆（Gd）。 本发明的基于氟氟化物的荧光体可以应用于包括发光二极管，激光二极管，表面发射激光二极管，无机电致发光元件和有机电致发光元件的发光器件。
-
Patent Agency Ranking
公开(公告)号：KR1020130076163A
公开(公告)日：2013-07-08
申请号：KR1020110144634
申请日：2011-12-28
Applicant: 한국화학연구원
Abstract: PURPOSE: A manufacturing method of a transparent red-emitting phosphor is provided to effectively conduct a spin-coating process, to form a layer with high transmittancy in a visible ray region, and to manufacture a phosphor film with excellent uniformity and transmittancy. CONSTITUTION: A manufacturing method of a transparent red-emitting phosphor comprises a step of manufacturing a phosphor suspension by mixing a YVO4:Eu^ (3+) red phosphor powder and 10-30 wt% of a binder material into a solvent and mixing the same; a step of forming a film by spin-coating a substrate with the phosphor suspension; and a step of drying the film at 100-300 °C for 100-250 seconds. The size of the red phosphor powder is 400 nm or less. The use amounts of the red phosphor powder and the solvent are respectively 1-10 wt% and 60-90 wt%. [Reference numerals] (AA) Comparative example 1; (B1) Example 1; (B2) Example 2; (B3) Example 3; (B4) Example 4; (B5) Example 5
Abstract translation: 目的：提供一种透明红色发光荧光体的制造方法，以有效地进行旋涂工序，在可见光区域形成透光性高的层，制造出具有优异的均匀性和透光性的荧光体膜。 构成：透明红色荧光体的制造方法包括通过将YVO4：Eu（3+）红色荧光体粉末和10〜30重量％的粘合剂材料混合到溶剂中来混合荧光体悬浮液的步骤， 相同; 通过用荧光体悬浮液旋涂基板来形成膜的步骤; 以及在100-300℃下干燥100-250秒的步骤。 红色荧光体粉末的尺寸为400nm以下。 红色荧光体粉末和溶剂的使用量分别为1-10重量％和60〜90重量％。 （附图标记）（AA）比较例1; （B1）实施例1 （B2）实施例2 （B3）实施例3 （B4）实施例4 （B5）实施例5
-
公开(公告)号：KR101166078B1
公开(公告)日：2012-07-23
申请号：KR1020100064934
申请日：2010-07-06
Applicant: 한국화학연구원
Abstract: 본 발명은 용매열(solvothermal) 반응을 이용한 서브마이크론 이하 입자크기 및 구형의 균일한 입도 분포를 가지는 적색형광체의 제조방법에 관한 것으로서, 보다 상세하게는 이트륨 전구체, 가돌리늄 전구체, 보론 전구체, 유로퓸 전구체 및 올레산 나트륨을 증류수에 용해시키는 단계, 벤질 알코올과 올레산을 첨가하는 단계, 용매열 반응시키는 단계 및 원심분리와 건조과정을 거쳐 분말 입자를 회수하는 단계를 통하여 (Y
1-xy Gd
x )BO
3 :Eu
3+
y 으로 표시되는 적색형광체를 제조하는 방법에 관한 것이다. 본 발명에 의해 제조된 적색형광체는 자외선 여기광원에서 단잔광 특성을 구현하며, 구형의 입자형태 및 균일한 입도 분포를 보이므로 유기용매에 분산시켜 형광막을 형성할 경우 평판 디스플레이, 특히 잔상효과 제어가 중요한 3D 디스플레이 PDP용 발광재료로 유용하게 적용할 수 있다.-
公开(公告)号：KR1020110003795A
公开(公告)日：2011-01-13
申请号：KR1020090061241
申请日：2009-07-06
Applicant: 한국화학연구원
IPC: C09K11/78
Abstract: PURPOSE: An yttrium oxide type red-emitting phosphor for cold cathode fluorescent lamp is provided to ensure high luminous efficiency and purity property under ultraviolet excitation of 200~300 nm range and to enable use as a red-emitting phosphor for LED and UV lamps. CONSTITUTION: A method for manufacturing an yttrium oxide type red-emitting phosphor for cold cathode fluorescent lamp comprises the steps of: mixing a precursor mixture of a lithium precursor, yttrium precursor, europium precursor and gadolinium precursor in a solvent to prepare a mixed solution; drying the mixed solution at 100~150 °C to prepare the dried mixture; and heating the dried mixture at 800~1,200 °C for 5 ~ 24 hours to prepare a heat-treated phosphor.
Abstract translation: 目的：提供一种用于冷阴极荧光灯的氧化钇型发光荧光体，以确保在200〜300nm范围的紫外线激发下的高发光效率和纯度特性，并且能够用作LED和UV灯的红色发光荧光体。 构成：制造用于冷阴极荧光灯的钇氧化物型红色发光荧光体的方法包括以下步骤：将锂前体，钇前体，铕前体和钆前体的前体混合物混合在溶剂中以制备混合溶液; 在100〜150℃下干燥混合溶液，制备干燥混合物; 并在800〜1200℃下加热干燥的混合物5〜24小时，制备热处理的荧光体。
-
公开(公告)号：KR100929257B1
公开(公告)日：2009-12-01
申请号：KR1020080007216
申请日：2008-01-23
Applicant: 한국화학연구원
IPC: C09K11/77
Abstract: A rare earth element phosphovanadate-based red phosphor, and a cold cathode fluorescent lamp using the phosphor are provided to improve luminous characteristic and color purity at the excitation wavelength of 254 nm. A rare earth element phosphovanadate-based red phosphor excites in the long wavelength UV range of 250 ~ 350 nm and is represented by (Y_(1-a-b-d) Gd_b Sc_d)(P_(1-c) V_c)O4:Eu_a, wherein 0.1
Abstract translation: 提供稀土元素磷钒酸盐基红色磷光体和使用磷光体的冷阴极荧光灯，以改善在254nm的激发波长下的发光特性和色纯度。 （Y_（1-abd）Gd_b Sc_d）（P_（1-c）V_c）O4：Eu_a表示稀土元素磷钒酸盐系红色磷光体，其在250〜350nm的长波长UV范围内激发，其中0.1 ＆lt; = a＆lt; = 0.4; 0 <= b <= 0.6; 0.4 <= c <= 1; 并且0 <= d <= 0.4。
-
公开(公告)号：KR1020090102104A
公开(公告)日：2009-09-30
申请号：KR1020080027349
申请日：2008-03-25
Applicant: 한국화학연구원
IPC: C09K11/55
Abstract: PURPOSE: A vanadate-based red phosphor with enhanced luminescent property is provided to improve luminous efficiency by addition ions of vanadate-based phosphor showing high absorption peak in a long wavelength UV area of 250 ~ 400 nm. CONSTITUTION: A vanadate-based red phosphor with enhanced luminescent property is represented by chemical formula 1: Ca3Srx(VO4)4 : Euy,Az. In chemical formula 1, 0
Abstract translation: 目的：提供一种具有增强的发光性能的钒酸盐基红色荧光体，通过在250〜400nm的长波长UV区域显示高吸收峰的钒酸盐系荧光体的离子提高发光效率。 构成：具有增强的发光性质的钒酸盐系红色荧光体由化学式1表示：Ca 3 Sr（VO 4）4：Eu y，Az。 在化学式1中，0
-
-
-
-
-
-
-
-
-
Search Results
150
records
(took 0.032 seconds)
