36results about How to "Achieve high capacity" patented technology

The disclosed hardened aluminum foil for battery collectors is characterized by containing 0.2-1.3% iron, 0.01-0.5% copper, and no more than 0.2% silicon by mass, with the remainder comprising aluminum and unavoidable impurities. Said hardened aluminum foil, which is further characterized by a purity of at least 98.0% by mass and subgrain sizes of at most 0.8 [mu]m in the thickness direction and at most 45 [mu]m in the rolling direction, has a certain degree of strength, excellent stretch, and low electrical resistance.

A non-aqueous battery with improved volume energy density and enhanced load characteristics is made available even when using olivine-type lithium phosphate as a positive electrode active material. The non-aqueous electrolyte battery of the present invention is provided with a positive electrode (1) containing lithium iron phosphate as a positive electrode active material, a negative electrode (2), and a non-aqueous electrolyte (4). In the positive electrode (1), a positive electrode active material-containing layer that is made of the positive electrode active material, a conductive agent, and a binder agent is formed on a positive electrode current collector. The positive electrode current collector has a thickness of less than 20 mum and its surface that is in contact with the positive electrode active material-containing layer has a mean surface roughness Ra of greater than 0.026 mum.

The invention provides a built-in constant-voltage protection structural member. An insulation elastic part is arranged on each of the two surfaces of a printed circuit board (PCB), at least one penetrating hole is formed in the insulation elastic part, and the PCB comprises a substrate, a voltage converter, a protective integrated circuit (IC), an inductor, a diode, a first resistor (R1), a second resistor (R2), a third resistor (R3), a first capacitor (C1), a second capacitor (C2), a third capacitor (C3), a fourth capacitor (C4) and a fifth capacitor (C5). The invention also provides a rechargeable battery using the built-in constant-voltage protection structural member arranged between a battery cell and a punching groove position of a shell The rechargeable battery is novel in structure and is convenient to fabricate, the voltage output can be limited according to demands, and the market demand is met.

A method for producing a dielectric ceramic composition, which comprises dielectric oxide, manganese oxide, aluminum oxide, and sintering aid represented by the structural formula [(CaxSr1-x)O] m [(TiyZr1-y-zHfz)O2] Porcelain composition, the symbols x, y, z, m representing the composition molar ratio in the above structural formula are 0.5≤x≤1.0, 0.01≤y≤0.10, 0<z≤0.20, 0.90≤m≤1.04, characterized in that, Using a sintering aid to manufacture a dielectric porcelain composition, the sintering aid has: SiO2 as a main component, further comprising MO (wherein M is at least one of Ba, Ca, Sr and Mg), a first glass composition; It constitutes a second glass composition including B2O3, Al2O3, ZnO, and SiO2, and has an average particle diameter of 1.5 μm or less. According to this invention, it is possible to provide a method for producing a dielectric ceramic composition capable of obtaining a dense dielectric ceramic composition without impairing various electrical properties even when fired at a low temperature.

The invention relates to a preparation method of titanium oxide. The preparation method comprises the following steps: adding a complexing agent into a titanium-containing compound solution, and stirring for uniform mixing to obtain a complex solution of a titanium-containing compound, wherein the molar ratio of the titanium-containing compound to the complexing agent is 1 to (1 to 8), preferably1 to (2 to 4); dropwise adding the complex solution of the titanium-containing compound into a water solution of an alkaline substance, controlling the pH (Potential of hydrogen) value of a reaction solution to be 10 to 11, and stirring under a water bath condition of 60 to 90 DEG C for 8 to 20 h to obtain suspension; performing a hydrothermal reaction on the suspension under 120 to 170 DEG C tillcomplete reaction, and then performing solid-liquid separation and washing to obtain titanate hydrated precipitate; adding the titanate hydrated precipitate into a water solution of an acidic substance, stirring, adjusting the pH of a reaction solution to 3 to 6, filtering and washing, and then drying under 60 to 120 DEG C to obtain a titanate precursor, wherein the molar ratio of titanate to theacidic substance is 1 to (0.5 to 2), preferably 1 to (1 to 1.5); calcining the titanate precursor under 200 to 400 DEG C for 2 to 6 h, wherein the molecular formula of the titanium oxide is preferably H2Ti7O15, and the titanium oxide has the crystal structural characteristics of a one-dimensional porous structure and a monoclinic system.

The invention discloses a 5G waveguide coupler with a water-proof function. The 5G waveguide coupler comprises a main waveguide and a sub-waveguide which are provided with ports used for inputting oroutputting signals, wherein a combination part with special length in a predetermined direction is formed between the main waveguide and the sub-waveguide; coupling windows are formed in the combination part; an E-plane gap is formed between the coupling windows; the main waveguide comprises a through end; the sub-waveguide comprises a coupling end; the through end comprises an input port P1 and athrough port P3; and the coupling end comprises an isolation port P2 and a coupling port P4. The 5G waveguide coupler has the benefits that the combination part, the coupling windows and the E-planegap are formed in the main waveguide and the sub-waveguide, so that the defect of oversize length of the coupler caused by distribution of all coupling holes in one length direction is avoided; and the 5G waveguide coupler is good in coupling, high in isolation degree, simple in structure and easy to process, and can be conveniently integrated in a high-band circuit.

Disclosed is a rectangular battery (1) comprising an electrode group (10) including: a positive electrode (12) constituted by forming a positive electrode active material layer (12b) on both faces of a strip-shaped positive electrode core (12a); a negative electrode (14) constituted by forming a negative electrode active material layer (14b) on both faces of a strip-shaped negative electrode core (14a); and a strip-shaped separator (16). The electrode group is constituted by winding the positive electrode, negative electrode and separator in the longitudinal direction. The negative electrode comprises, at the end where the winding is started, a single-face active material layer section where a negative electrode active material layer is provided on one face only of the negative electrode core. The single-face active material layer section terminates at a prescribed position between a position where the negative electrode is folded back for the second time and a position where the negative electrode is folded back for the third time.

A metal film containing Ni as a main component and Mn and at least one element selected from the group consisting of the elements of Groups 3A, to 6A of the periodic table includes a central part anda peripheral part in which Mn and the element selected from the group consisting of the elements of Groups 3A to 6A of the periodic table are present in a concentration higher in the peripheral part than that in the central part. The metal film used as a conductor layer can have an increased melting point at the peripheral part and thus can be prevented from shrinking during heating. The metal film used as a conductor layer in electronic components and the like can be prevented from plastically deforming or shrinking during heating so that the conductor layer can have a large effective area and high adhesion to ceramic layers.

The invention provides a switch capable of reducing degradation of a movable contact unit caused by generated electric arc and capable of realizing high capacity. The switch includes a housing (10), acommon stationary contact terminal (20), an individual stationary contact terminal (30), and a plunger (40) including a moving contact unit (50). The moving contact unit (50) includes a body (51), afirst arm (52), a second arm (53), and a third arm (54) extending from the body in a direction intersecting with a parallel direction in which the common stationary contact terminal (20) and the individual stationary contact terminal (30) are arranged parallel to each other, electrically interconnected with each other, and are spaced apart from one another in the parallel direction, a first movingcontact (521) included in the first arm (52), a second moving contact (531) included in the second arm (53), and a third moving contact (541) included in the third arm (54).

The purpose is to provide a rolled copper foil for secondary battery negative electrode current collectors, whereby it becomes possible to satisfactorily prevent the plastic deformation and breakage of a copper foil which may be caused by the generation of a stress in association with the change in volume of an active material or the like. A rolled copper foil for secondary battery negative electrode current collectors, which contains Sn in an amount of 0.2 to 2.0% by mass and has tensile strength of 650 MPa or more and an elongation at break of 1.0% or more.