摘要:
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.
摘要翻译: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。
摘要:
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.
摘要:
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.
摘要:
Provided are an embedded capacitor, an embedded capacitor sheet using the embedded capacitor, and a method of manufacturing the same that may increase a surface area to thereby increase a capacity for each unit area and may provide an embedded capacitor in a sheet to thereby readily lay the embedded capacitor on an embedded printed circuit board. The embedded capacitor may include: a common electrode member 11 including a plurality of grooves 11a; a sealing dielectric layer 12 being formed by sealing a nano dielectric powder with a high dielectric constant in the plurality of grooves 11a formed in the common electrode member 11; a buffer dielectric layer 13 sealing and smoothing an uneven portion of the sealing dielectric layer 12 by applying a paste or a slurry including epoxy of 20 Vol % through 80 Vol % and dielectric powder of 20 Vol % through 80 Vol % with respect to the sealing dielectric layer 12; and an individual electrode member 14 being formed on the buffer dielectric layer 13.
摘要:
Provided is a flexible multilayer thin film capacitor using a flexible metal substrate, including: a metal substrate; a metal oxide layer formed on the whole surface of the metal substrate; a plurality of first internal electrode layers selectively applied on a first surface of the metal substrate using a metal material; a plurality of dielectric layers formed to be sequentially multi-layered on the whole surface of the first internal electrode layers using a dielectric material; a plurality of second internal electrode layers selectively applied on the dielectric layers using a metal material; a protecting layer applied on a surface of one of the plurality of second internal electrode layers; and a single pair of external electrodes connected to contact with the plurality of first internal electrode layers and the plurality of second internal electrode layers, respectively, and soldered on conductive inter-layer pads of a printed circuit board.
摘要:
Provided is a package type multi-layer thin film capacitor for large capacitance, including: a ceramic sintered body formed with slots on one side and another side thereof, respectively; a plurality of first internal electrode layers formed within the ceramic sintered body; a plurality of second internal electrode layers formed within the ceramic sintered body to be positioned between the plurality of first internal electrode layers; a pair of first main connection electrode members inserted into the slots to be connected to the first internal electrode layers or the second internal electrode layers, respectively; a pair of first main lead members inserted into the slots and to be connected to the first main connection electrode members, respectively; and a sealing member sealing the ceramic sintered body to partially expose each of the pair of first main lead members.
摘要:
Provided is a flexible multilayer thin film capacitor using a flexible metal substrate, including: a metal substrate; a metal oxide layer formed on the whole surface of the metal substrate; a plurality of first internal electrode layers selectively applied on a first surface of the metal substrate using a metal material; a plurality of dielectric layers formed to be sequentially multi-layered on the whole surface of the first internal electrode layers using a dielectric material; a plurality of second internal electrode layers selectively applied on the dielectric layers using a metal material; a protecting layer applied on a surface of one of the plurality of second internal electrode layers; and a single pair of external electrodes connected to contact with the plurality of first internal electrode layers and the plurality of second internal electrode layers, respectively, and soldered on conductive inter-layer pads of a printed circuit board.
摘要:
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.
摘要:
Provided is a MLCC module used as a direct current (DC) link capacitor that is included in an inverter of a hybrid vehicle. The MLCC module includes: a plurality of first ceramic sheets 10, each including a plurality of first internal electrode portions 20; a plurality of second ceramic sheets 30, each being disposed between the plurality of first ceramic sheets 10 respectively to include a plurality of second internal electrode portions 40; a plurality of external electrode portions 50 being connected to the plurality of first internal electrode portions 20, respectively; a plurality of clamp lead electrode portions 60 being connected to the plurality of external electrode portions 50 to input and output electrical signals, respectively; and an epoxy molding compound (EMC) molding member sealing the plurality of first ceramic sheets 10, the plurality of second ceramic sheets 30, and the plurality of external electrode portions 50 to expose one ends of the plurality of clamp lead electrode portions 50, respectively.
摘要:
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.