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Mercury-free Process and Control

(1) to improve the electrical conductivity properties of zinc ointment
Mercury’s “wet” between zinc and zinc help with the collection of fluid connection between the (sticky) Then, to improve the conductivity of zinc ointment, so that the battery has a good anti-vibration performance. Go mercury dell laptop battery, dell g5260 battery, dell g5266 battery, dell latitude cpi battery, the conductivity decreased significantly. Conductive paste to improve the performance of zinc from the use of high viscosity stability Thickening good zinc cream, zinc cream in an appropriate increase in the proportion of zinc in zinc paste and add a few other conductive material aspects.

(2) to control pollution in the production process
Mercury-free alkaline manganese battery production must be kept clean and pollution-free production environment of the production process. According to the battery industry experience, the general requirements for the production of wet conditions at constant temperature, the appropriate temperature of 20 ℃ ~ 28 ℃, humidity 30% ~ 60% (RH). Not suitable for negative electrode assembly assembly at low temperatures, the steel should not be coated graphite conductive at high humidity conditions. Entire production process to be clean, to prevent hydrogen evolution into making zinc impurities increase. Intermittent parts processing, many manual, fittings beyond the control of pollution, the quality can not be assured.

(3) control of carbonated
Effective control of the production process is the carbonation anode are mercury-free alkaline manganese batteries, one of important process measures. First of all, to control the concentration of CO2 in air, zinc ointment preparation conditions in a vacuum, the electrolyte, zinc paste, cathode powder must be sealed packaging, KOH, such as mercury-free zinc powder should minimize exposure to air time, packing damaged should put an end to the use and so on. Sealing process equipment and transfer the former track security guard shall add, to reduce air exchange to prevent the battery carbonated products. Batteries should also be noted that control online time, mercury-free battery production in exceptional circumstances the longest downtime in general may not be more than two hours. The reliability of domestic equipment relatively poor, prone to failure, equipment failure should be to prevent the contingency measures.

(4) the attention of Cu and ultra-fine zinc powder on the impact of mercury-free dell inspiron 8200 battery, dell inspiron 8000 battery , dell inspiron 8100 battery, dell inspiron 4000 battery
At alkaline manganese battery copper cathode in the basic state to compound exist in the role of electric potential, the easy migration to the anode, the zinc anode batteries go because of mercury, has accelerated the relocation of ultrafine particles to the cathode, when the diaphragm tube defects have points when, Cu2 + and Zn deficiencies in point happened in the redox reaction, the formation of copper hydroxide crystal sticks gradually penetrate the membrane, forming a short circuit. The production process must be strictly controlled Cu pollution, mercury-free zinc powder in the ultrafine particles there should be restrictions to prevent the migration of zinc powder to form short-circuit the battery.

(5) is more suitable for studies of mercury-free battery capacity requirements and improve the new structure
Made alkaline manganese battery is still the current structure of Japan’s Fuji prevailing on the sealed form, because of mercury-free alkaline manganese batteries Analysis of gas increases, the reliability of such a structure is open to question. Des films with cathode assembly more conducive sealed nylon because of the consistency is better, mercury-free alkaline manganese batteries to consider the reliability of seals from polypropylene nylon than good, unfortunately the high cost of nylon ring. Europe and the United States structure of alkaline-manganese battery is worth drawing on our country, besides a reliable seal, the cell can make use of space has become larger and more conducive to the improvement of dell inspiron 4100 battery, dell inspiron 2500 battery, dell latitude cpx battery, dell latitude c600 battery capacity.

According to nine ministries and commissions such as the State Economic and Trade “about restrictions on mercury content in batteries provides that” the notification requirement, implementation of low alkaline manganese aspire 1680 battery, lcbtp03003 battery, mercury-free period has been entered of, therefore, to solve related technical problems, rule out the possibility of mercury-free process obstacles to become a top priority.

Mercury-free alkaline manganese battery of technical issues involved in the following areas:

Mechanical equipment and tooling mold

China’s industrialization late alkaline manganese batteries, mercury-free technology by the study because of equipment, spare parts and materials to such constraints is still in its infancy, especially for low, mercury-free alkaline manganese aspire 1300 battery, compaq presario x6000 battery production of domestic machinery and equipment not yet sophisticated, the vast majority of plant is still used for intermittent production of equipment, spare parts processing, tooling mold has not yet considered mercury-free requirements.

Anode preparation equipment is currently in use is still the largest pharmaceutical machinery, including the mixed powder, tablet or relief rolled article, into tablets, screening and preparation, such as zinc cream. Equipment exist the following main aspects:

(1) mold tooling, machinery and equipment did not attach importance to material corrosion resistance, stability and wear resistance, particularly in domestic equipment. Mixing barrels, roll, zinc cream containers, etc., etc. Although the use of high-grade stainless steel materials, it has still not reached the requirements for mercury-free, ordinary stainless steel corrosion, oxidation and wear resistance are inferior. Mercury-free alkaline manganese battery anode of Fe, Mo and other elements is 7 ~ 10 1 10 1 6 control, materials corrosion, electrochemical reaction and mechanical factors such as the anode is likely to result in more than the allowable values of impurity elements. Korea’s Rocket anode preparation equipment required to adapt to mercury-free and consider a more comprehensive, it is worth drawing on its inner wall mixing machine the wear-resistant non-metallic coating material, contact zinc cream containers full of machinery and the use of engineering plastics, completely avoid metal impurities mixed people.Acer battery,   Apple battery,   Asus battery

(2) genuine low rate of serious cross-contamination. By the mixed powder to screen out qualified silt, general equipment into tablets in a 65% rate is only about 2 / 3 for the unqualified goods, required repeated at several machine cycle, this increase in cross-cathode powder pollution. While Europe and the United States of powder processing systems, its first rate into tablets of 65% ~ 80%, greatly reduces equipment wear and particles of cross-contamination.

(3) of the equipment Chuan (to) the use of moving parts of copper and other harmful metals. Mercury-free alkaline manganese batteries are particularly sensitive to copper cathode, copper cathode and other impurities mixed powder people are caused by chronic mercury-free Compaq battery,  Dell battery short circuit potential.

(4) alkaline medium conditions, drying process easily lead carbonate powder cathode, and also prone to cross-contamination. High concentrations of lead carbonate are alkaline batteries climb one of the factors for mercury-free alkaline manganese batteries require higher concentrations of carbonate.

(5) anode current collector assembly also mainly depend on domestic add mechanical intermittent manual processing. On aspects of product quality by man-made factors, on the other hand, such processing can not meet the requirements for mercury-free. This is also the necessary machinery and equipment, one of the problems as soon as possible. Set nail and negative flow at the end of the welding method is also worthy of study, are currently widely used by DC energy storage explosion welding, this welding of copper is not easily lead to contamination collector assembly, are caused by mercury-free alkaline manganese batteries short-circuit an important risk of chronic . Import anode current collector assembly equipment required hundreds of thousands or even hundreds of million yuan, the battery should be attached great importance to the mechanical plant equipment, research and development, improve labor productivity is also an important aspect. Fujitsu battery,   HP battery,   IBM battery,   Sony battery,   Toshiba battery