摘要:
Disclosed herein are an energy storage apparatus including a magnetic layer formed on any one of a positive electrode, a negative electrode, and a separator, or an exterior frame, and a method for manufacturing the same. With the energy storage apparatus, the magnetic layer is provided in a vicinity of the separator in order to increase ion conductivity or a magnetic material is contained on surfaces of positive electrode and negative electrode current collectors or in positive electrode and negative electrode active materials, such that conductivity and mobility of lithium ions between the positive electrode and the negative electrode are increased, thereby making it possible to improve a charging and discharging speed. In addition, a shortage due to an ion trap and a defect according to shrinkage ratio may be improved.
摘要:
There is provided a multilayer ceramic capacitor and a method of manufacturing the same. There is provided a multilayer ceramic capacitor, including: a ceramic body having a plurality of dielectric layers stacked therein and including a first side and a second side opposite to each other and a third side and a fourth side connected to the first side and the second side; and inner electrode layers formed on the dielectric layers, including electrode drawing parts exposed to the first side or the second side and an electrode main part, and having a length between the electrode main part and the third side of 100 μm or less and a ratio of a length between the electrode drawing part and the third side to the length between the electrode main part and the third side of between 1.2:1 and 1.7:1. The multilayer ceramic capacitor may have improved reliability by suppressing cracks occurring in the ceramic laminate due to thermal impact during a sintering or mounting process.
摘要:
The present invention relates to borosilicate glass compositions for a sintering agent, dielectric compositions containing the borosilicate glass compositions and a multilayer ceramic capacitor using the dielectric compositions. Borosilicate glass compositions for a sintering agent according to an aspect of the invention include an alkali oxide, an alkaline earth oxide and a rare earth oxide, can sinter ceramic dielectrics at low temperatures and improve the hot insulation resistance of a multilayer ceramic capacitor. Correspondingly, dielectric compositions including these borosilicate glass compositions and a multilayer ceramic capacitor using the dielectric compositions can be sintered at a low temperature of 1100° C. or less and have high hot insulation resistance, thereby ensuring high levels of reliability.
摘要:
Provided are a dielectric composition and a ceramic electronic component including the same. The dielectric composition includes (a) barium titanate having a specific surface area of 2.5 m2/g to 6.0 m2/g; (b) a mixture containing at least one or more materials selected from the group consisting of any one oxide of Mg, Ca, Sr, Ba and Zr, and any one carbide thereof; (c) oxide containing at least one or more materials selected from the group consisting of Sc, Y, La, Ac, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu; (d) oxide containing at least one or more material selected from the group consisting of Cr, Mn, Fe, Co, and Ni; (e) oxide containing at least one or more material selected from the group consisting of V, Nb, and Ta; and (f) oxide containing at least one or more material selected from the group consisting of Si and Al. The dielectric composition can satisfy X8R characteristic, can be sintered at a low temperature, and can obtain high reliability.
摘要:
The invention relates to a glass composition and a glass frit adequate for low temperature sintering agent at 1,100° C. or less, and a dielectric composition and a multilayer ceramic capacitor using the same. The glass composition comprises aLi2O-bK2O-cCaO-dBaO-eB2O3-fSiO2, in which a, b, c, d, e and f satisfy following relationships: a+b+c+d+e+f=100, 2≦a≦10, 2≦b≦10, 0≦c≦25, 0≦d≦25, 5≦e≦20, and 50≦f≦80.
摘要翻译:本发明涉及一种适用于1100℃以下的低温烧结剂的玻璃组合物和玻璃料,以及使用其的电介质组合物和多层陶瓷电容器。 玻璃组合物包含Li2O-bK2O-cCaO-dBaO-eB2O3-fSiO2,其中a,b,c,d,e和f满足以下关系:a + b + c + d + e + f = 100,2 a <= 10,2 <= b <= 10,0 <= c <= 25,0 <= d <= 25,5 <= e <= 20,50 <= f <= 80。
摘要:
A dielectric ceramic composition for low-temperature sintering and hot insulation resistance (hot IR) is capable of carrying out low-temperature sintering, improving a hot IR characteristic, and meeting X5R characteristics, and a multilayer ceramic capacitor makes use of the dielectric ceramic composition. The dielectric ceramic composition includes a main component BaTiO3, and sub-components, based on 100 moles of the main component, MgO of 0.5 moles to 2.0 moles, Re2O3 of 0.3 moles to 2.0 moles, MnO of 0.05 moles to 0.5 moles, V2O5 of 0.01 moles to 0.5 moles, BaO of 0.3 moles to 2.0 moles, SiO2 of 0.1 moles to 2.0 moles, and borosilicate glass of 0.5 moles to 3.0 moles, where Re includes at least one selected from the group consisting of Y, Ho and Dy.
摘要翻译:用于低温烧结和热绝缘电阻(热IR)的电介质陶瓷组合物能够进行低温烧结,提高热IR特性并满足X5R特性,并且多层陶瓷电容器利用介电陶瓷组合物 。 电介质陶瓷组合物包括主成分BaTiO 3,以及基于100摩尔主成分的亚成分,0.5摩尔〜2.0摩尔的MgO,0.3摩尔〜2.0摩尔的Re 2 O 3,0.05摩尔〜0.5摩尔的MnO,0.05摩尔〜0.5摩尔的MnO, 0.01摩尔至0.5摩尔,BaO为0.3摩尔至2.0摩尔,SiO 2为0.1摩尔至2.0摩尔,硼硅酸盐玻璃为0.5摩尔至3.0摩尔,其中Re包括选自Y,Ho和Dy中的至少一种。
摘要:
A dielectric ceramic composition for low-temperature sintering and hot insulation resistance (hot IR) is capable of carrying out low-temperature sintering, improving a hot IR characteristic, and meeting X5R characteristics, and a multilayer ceramic capacitor makes use of the dielectric ceramic composition. The dielectric ceramic composition includes a main component BaTiO3, and sub-components, based on 100 moles of the main component, MgO of 0.5 moles to 2.0 moles, Re2O3 of 0.3 moles to 2.0 moles, MnO of 0.05 moles to 0.5 moles, V2O5 of 0.01 moles to 0.5 moles, BaO of 0.3 moles to 2.0 moles, SiO2 of 0.1 moles to 2.0 moles, and borosilicate glass of 0.5 moles to 3.0 moles, where Re includes at least one selected from the group consisting of Y, Ho and Dy.
摘要翻译:用于低温烧结和热绝缘电阻(热IR)的电介质陶瓷组合物能够进行低温烧结,提高热IR特性并满足X5R特性,并且多层陶瓷电容器利用介电陶瓷组合物 。 电介质陶瓷组合物包括主成分BaTiO 3,以及基于100摩尔主成分的亚成分,0.5摩尔〜2.0摩尔的MgO,0.3摩尔〜2.0摩尔的Re 2 O 3,0.05摩尔〜0.5摩尔的MnO,0.05摩尔〜0.5摩尔的MnO, 0.01摩尔至0.5摩尔,BaO为0.3摩尔至2.0摩尔,SiO 2为0.1摩尔至2.0摩尔,硼硅酸盐玻璃为0.5摩尔至3.0摩尔,其中Re包括选自Y,Ho和Dy中的至少一种。
摘要:
The present invention relates to a method for preparing barium titanate based powder. More particularly, the present invention provides a method for preparing barium titanate powder comprising the following steps of precipitation of barium titanyl oxalate (BaTiO(C2O4)2.4H2O) with spraying a mixture of an aqueous barium chloride (BaCl2.2H2O) and titanium tetrachloride (TiCl4) to an aqueous solution of oxalic acid, via a nozzle; wet pulverization by using a beads mill after adding an additive such as an amine; dry; pyrolysis; and re-pulverization.
摘要翻译:本发明涉及一种制备钛酸钡基粉末的方法。 更具体地,本发明提供了一种制备钛酸钡粉末的方法,包括以下步骤:将草酸氧钛钡(BaTiO(C 2 O 3 O 2)2) 4 H 2 O 2),同时喷洒氯化钡水溶液(BaCl 2/2H 2 O 2)和四氯化钛的混合物 (TiCl 4 S)通过喷嘴与草酸水溶液接触; 在加入添加剂如胺之后通过使用珠磨机湿式粉碎; 干; 热解; 并重新粉碎。
摘要:
Disclosed is a piezoelectric ceramic composition comprising a PZT piezoelectric composition, a B-site of which is substituted with a certain material, and chromium oxide, and a piezoelectric device using the piezoelectric ceramic composition. The piezoelectric ceramic composition has good heat resistance and frequency stability, and reduces a leakage current. There is provided the piezoelectric ceramic composition comprising a main component expressed by Pb[(Co1/2W1/2)xTi1−x−yZry]O3 (wherein, 0.001≦x≦0.04, and 0.35 ≦y≦0.55), Cr2O3 in an amount of 0.01 to 2 wt %, MnO2 in an amount of 0.1 to 0.5 wt %, and an additive in an amount of 0.01 to 2.0 wt %, based on the total weight of the piezoelectric ceramic composition, in which the additive is selected from the group consisting of CoO, MgO, ZnO, Al2O3, Fe2O3, Sb2O3, SnO2, CeO2, Nb2O5, V2O5 and WO3, and mixtures thereof. The piezoelectric ceramic composition satisfies piezoelectric properties such as kp and Qm needed for a piezoelectric material, and is 320° C. or higher in phase transition temperature, ±30 ppm/° C. in TCF, and 0.1% or less in oscillation frequency change after reflow; and the piezoelectric ceramic composition also has good piezoelectric properties such that the leakage current is reduced.
摘要:
Disclosed herein is a thermoelectric material having a plate type layered structure where each layer has a thickness of 30 nm or less, a method for preparing the same, and a thermoelectric module using the same.According to the present invention, as for a thermoelectric material having a nanometer-sized layered structure, crystallinity of each layer is excellent, electric conductivity of electron is improved, and phonon diffraction is induced at a grain interface between layers, and thus, a thermoelectric module having excellent thermoelectric properties can be provided.