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Alkaline battery additive agent
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An additive, battery technology, applied in the direction of alkaline battery electrodes, battery electrodes, electrodes of primary batteries, etc.
Inactive Publication Date: 2010-05-12
NINGBO BEITERUI ENERGY TECH
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Problems solved by technology
These methods can improve battery performance to a certain extent. However, due to the limitation of raw material technology and the limited capacity of the battery itself, the improvement of battery performance by this method is limited to a certain extent.
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preparation example Construction
[0031] Preparation method of negative electrode
[0032] Negative electrode active components (such as zinc powder, gelling agent, corrosion inhibitor) are dry mixed, then added to electrolyte for wet mixing, and then vacuum defoamed to make negative electrode active materials.
[0033] The negative electrode active material is prepared according to a conventional method to obtain the negative electrode. For example, the negative electrode is assembled from the negative electrode bottom, negative electrode active material and electron collector copper nails.
[0034] positive electrode
[0035] The positive electrode of the present invention is well known to those skilled in the art. For example, a positive electrode containing manganese dioxide and graphite powder.
[0036] In a preferred example, the positive electrode of the present invention is prepared as follows:
[0037] (a) mixing manganese dioxide with all selected components to form a homogeneous dry mixture;
...
Embodiment 1
[0053] Alkaline zinc-manganese cells with positive electrodes not containing ytterbium oxide, ytterbium hydroxide or combinations thereof
[0054] Prepare the alkaline battery whose positive electrode does not contain ytterbium oxide, ytterbium hydroxide or its combination by conventional methods, the method is as follows:
[0055] Mix electrolytic manganese dioxide, graphite powder and a small amount of binder, then add an appropriate amount of electrolyte for wet mixing, and then roll granulate, and press the granulated positive electrode powder to form a positive electrode ring. The positive part ring is put into the steel shell to form the positive part.
[0056] After dry mixing zinc powder, gelling agent and corrosion inhibitor, adding electrolyte for wet mixing, and then vacuum defoaming to make zinc paste, which is the negative electrode active material;
[0057] During preparation, the positive electrode part ring is put in, and then the diaphragm paper, electrolyte,...
Embodiment 1-24
[0059] Alkaline zinc-manganese batteries with addition of ytterbium oxide, ytterbium hydroxide or combinations thereof
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Abstract
The invention provides an ytterbium oxide, an ytterbium hydroxide or a battery anode additive or a battery cathode additive which is the combination of the ytterbium oxide and the ytterbium hydroxide,and also provides an ytterbium oxide, an ytterbium hydroxide or an alkaline zinc-manganese battery, and the anode or the cathode of the ytterbium oxide, the ytterbium hydroxide or the alkaline zinc-manganese battery comprises 0.01-5 weight account, and the alkaline zinc-manganese battery is the combination of the ytterbium oxide and the ytterbium hydroxide. The battery of the invention has the advantages of low cost, low self-discharging, good storage performance and strong performance of current discharge at high rate. The invention also provides the use that the ytterbium oxide, the ytterbium hydroxide or the combination of the ytterbium oxide and the ytterbium hydroxide is served as an additive of the alkaline zinc-manganese battery.
Description
technical field [0001] The present invention mainly relates to an alkaline battery additive and an alkaline battery, more specifically, to an alkaline battery containing additives ytterbium monoxide, ytterbium hydroxide or a combination thereof, and to a kind of ytterbium oxide, hydrogen Use of ytterbium oxide or a combination thereof as an additive for alkaline batteries. Background technique [0002] With the development of electrical appliances, the requirements for battery performance are getting higher and higher; batteries with good comprehensive performance, such as batteries with low internal resistance, good high-current discharge performance, and good storage performance, are increasingly used by enterprises. concern. Various battery manufacturers at home and abroad use various methods to improve battery performance. At present, methods such as optimization of raw materials and improvement of battery internal space are commonly used. These methods can improve bat...
Claims
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Application Information
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