Electroplating method for negative pole case of mercury-free alkaline battery

A technology for alkaline batteries and negative poles of batteries, which is applied in the field of electroplating of negative shells of mercury-free alkaline batteries, can solve problems such as rough appearance, high inflation rate, and environmental pollution, and achieves easy popularization and application, prevention of gas expansion, and simple method easy effect
CN100519845CInactive Publication Date: 2009-07-29杜强
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
杜强
Publication Date
2009-07-29
Estimated Expiration
Not applicable · inactive patent

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Abstract

the invention discloses a plating method of non-mercury alkaline battery cathode case, which comprises the following parts: 3-20g Cu ion, 10-60f free CN, 4-30g tin ion, 1-35g KOH or 0.71-25g NaOH, 5-5000PPM micro-dose metal ion and 0.01-3g organics in each Cu-Tin alloy. the case is made of 20-77% Ni, 20-77% Cu, and 0.1-3% Cu-Tin alloy, which forms cathode case with pH value at 11-14 and 0.15-2.5 A / cm2 and 20-60 deg.c for 40-240 min.
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Description

technical field

[0001] The invention relates to an electroplating method for a negative electrode shell of a mercury-free alkaline battery, and relates to the technical field of batteries; in particular, it relates to the technical field of a mercury-free alkaline battery; in particular, it relates to the technical field of an electroplating method for a negative electrode shell of a mercury-free alkaline battery. Background technique

[0002] The current electric cell battery, because of the raw material "zinc" inside, must add mercury to prevent "zinc" from expanding when it contacts with other raw materials or metals; because mercury is added to the battery, and mercury is extremely Substances that are difficult to degrade, so discarded batteries will inevitably cause extremely serious pollution to the environment; button batteries are no exception. With the continuous enhancement of environmental awareness, in order to ensure the sustainable development of social economy...

Claims

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