Abstract:
A dielectric ceramic composition for multilayer ceramic capacitor (MLCC) includes a first component of 91 to 98 wt % and a second component of 2 to 9 wt %, wherein the first component includes a main component BaTiO3 of 94 to 98 wt %, a first subcomponent of 0.5 to 2 wt % including a glass powder having a network structure, and a second subcomponent of 1 to 4 wt % including at least one of MgO, Cr2O3 and Mn3O4, and the second component includes (Ba1-y-xCaySrx)(ZryTi1-y)O3, and x satisfies 0.2≦x≦0.8 and y satisfies 0.03≦y≦0.15.
Abstract translation:用于多层陶瓷电容器(MLCC)的介电陶瓷组合物包括91至98重量%的第一组分和2至9重量%的第二组分,其中第一组分包括94至98重量%的主组分BaTiO 3,第一组分 包含0.5〜2重量%的具有网状结构的玻璃粉末的副成分和1〜4重量%的包含MgO,Cr 2 O 3和Mn 3 O 4中的至少一种的第二副成分,第二成分包括(Ba1-y-xCaySrx)( ZryTi1-y)O3,x满足0.2≦̸ x≦̸ 0.8和y满足0.03≦̸ y≦̸ 0.15。
Abstract:
A lithium titanium oxide (LTO)/carbon composite, a preparation method for the LTO/carbon composite, a negative electrode material using the LTO/carbon composite, and a hybrid super capacitor using the negative electrode material are disclosed. The lithium titanium oxide (LTO)/carbon composite is formed to insert a carbon-based additive into a plurality of voids formed on the LTO granules, thereby improving the electrical conductivity.
Abstract:
Disclosed are a glass composition and a dielectric composition enabling low temperature sintering, and a high capacitance multilayer ceramic capacitor using the same. In the glass composition used for sintering, the glass composition may be formed of a formula, aR2O-bCaO-cZnO-dBaO-eB2O3-fAl2O3-gSiO2, and the formula may satisfy a+b+c+d+e+f+g=100, 0≦a≦7, 1≦b≦3, 1≦c≦15, 10≦d≦20, 3≦e≦10, 0≦f≦3, and 55≦g≦72. Through this, when manufacturing the high capacity multilayer ceramic capacitor, the dielectric substance may enable the lower temperature sintering, thereby enhancing a capacitance and a reliability of the high capacitance multilayer ceramic capacitor.
Abstract translation:公开了一种能够进行低温烧结的玻璃组合物和电介质组合物,以及使用其的高容量多层陶瓷电容器。 在用于烧结的玻璃组合物中,玻璃组合物可由式aR2O-bCaO-cZnO-dBaO-eB2O3-fAl2O3-gSiO2形成,式可以满足+ b + c + d + e + f + g = 100,0 @ a @ 7,1 @ b @ 3,1 @ c @ 15,10 @ d @ 20,3 @ e @ 10,f @ 3和55 @ g @ 72。 由此,在制造高容量多层陶瓷电容器时,电介质可以实现低温烧结,从而提高高容量多层陶瓷电容器的电容和可靠性。
Abstract:
Provided is a preparation method of a metal oxide doped monolith carbon aerogel for a high capacitance capacitor, the including: preparing a monolith carbon aerogel by performing a thermal decomposition of a moist gel dried in condition of a atmospheric pressure and a room temperature in a nitrogen atmosphere; impregnating the monolith carbon aerogel into alcohol where a metal precursor is dissolved; and calcinating the monolith carbon aerogel where the metal precursor is impregnated in an atmospheric atmosphere. By impregnating the metal oxide into the monolith carbon aerogel, a limit of capacitance may be enhanced using a pseudo capacitance effect by an interfacial oxidation reduction reaction.
Abstract:
Provided is a hybrid super capacitor using a composite electrode that may enhance equivalent series resistance (ESR) using a carbon nanotube chain. The hybrid super capacitor includes: an anode 11 including an anode oxide layer 11a and an activated carbon layer applied 11b on the anode oxide layer 11a; and a cathode 21 being disposed to face the anode 11. The cathode 21 may include a silicon oxide layer 21a, a lithium titanium oxide layer 21b disposed on the silicon oxide layer 21a, and a carbon nanotube chain CT formed to pass through the silicon oxide layer 21a and the lithium titanium oxide layer 21b to thereby be electrically connected to each other, thereby enhancing ESR and expanding an output density and a lifespan of the hybrid super capacitor.
Abstract:
A dielectric ceramic composition for multi-layer ceramic capacitor for use in extreme environments is formed by mixing a main compos it ion and a composite oxide for low-temperature sintering, where the main composition includes 96.0 to 99.0 wt. % of BaTiO3 and 1.0 to 4.0 wt. % of Nb2O5 and Co3O4 as an additive. The main composition is formed by per forming a heat treatment for synthesis to form a core-shell structure having the BaTiO3 as a core and the Nb2O5 and Co3O4 covering the sur face of the BaTiO3. The composite oxide for low-temperature sintering is at least one selected from BaV2O6, Ba3V4O13 and Ba4V2O9.
Abstract:
Provided is a multilayer ceramic capacitor having dielectric layers and internal electrode layers laminated alternately on one another. Each internal electrode layer comprises a common ceramic material containing 3 to 25% by weight of rare earth elements, and through the rare earth elements, high dielectric layers are formed on the interfaces between the dielectric layers and the internal electrode layers.
Abstract:
Provided is a multilayer ceramic electronic component and a manufacturing method thereof, the component comprising: an element unit including a ceramic body, and a plurality of first internal electrodes and second internal electrodes alternately positioned inside the ceramic body to be spaced apart from each other; an external electrode unit including a first external electrode electrically communicating with the first internal electrodes and a second external electrode electrically communicating with the second internal electrodes, which are positioned to surround both sides of the element unit and to be spaced apart from each other; a silane coating layer uniformly formed on an outer surface of the element unit to expose part of an outer surface of the external electrode unit; and a plating layer formed on the exposed area of the external electrode unit.
Abstract:
Provided is a metal oxide varistor having an overcurrent protection function. The metal oxide varistor includes a metal oxide varistor body, a first electrode layer, a second electrode layer coated, an anistropic conductive paste (ACP) attached to a surface of the first electrode layer on one side of the first direction, a fuse plate bonded to the ACP and electrically conductive to the first electrode layer, a first copper-plated wire having one side of a second direction orthogonal to the first direction connected to the fuse plate, a second copper-plated wire having one side of the second direction bonded to the surface of the second electrode layer on the other side of the first direction, and an insulated coating member configured to surround the first copper-plated wire and the second copper-plated wire on one side of the second direction, the metal oxide varistor body and the fuse plate.
Abstract:
A multi-layer ceramic capacitor assembly includes a first terminal assembly member formed by arranging first protruded members at specific intervals, a second terminal assembly member formed by arranging second protruded members at specific intervals so that they face the respective first protruded members, insulated heat dissipation members supported by the first protruded members and the second protruded members and disposed therein, and multi-layer ceramic capacitors alternately disposed between the insulated heat dissipation members so that each multi-layer ceramic capacitor comes into contact with one side and the other side of each insulated heat dissipation member in a first direction, the end on one side of the multi-layer ceramic capacitor in a second direction orthogonal to the first direction is connected to the first terminal assembly member, and the end on the other side of the multi-layer ceramic capacitor in the second direction is connected to the second terminal assembly member.