A making technology for nickel hydrogen high-temperature charging battery
A rechargeable battery and manufacturing process technology, applied in the manufacture of alkaline batteries, battery electrodes, alkaline batteries, etc., can solve the problems that the battery affects the service life of the battery, cannot guarantee the use time, etc., to improve the charging efficiency and charge retention ability. , Improve the efficiency of small current charging, optimize the effect of the structure
Active Publication Date: 2010-12-01
YIYANG CORUN BATTERY
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Problems solved by technology
Since the industrial revolution, with the well-known global warming and the increase of the "greenhouse effect", environmentally friendly, high-temperature Ni-MH high-temperature batteries have been more and more widely used, and people's requirements for rechargeable batteries have also increased. It is getting higher and higher, mainly because there are more and longer high-temperature weather in cities near the equator. Conventional rechargeable batteries are often not fully charged due to small currents in high-temperature environments, and continuous low-current discharges are required to ensure use. If high-temperature low-current charging efficiency Too low, not only can not guarantee the use of time, but also because the long-term over-discharge of the battery will affect the service life of the battery
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The invention relates to a fabrication process for a nickel-hydrogen high temperature rechargeable battery. Anode base materials of the battery adopt foam nickel with large area density. Anode active materials adopt zinc-cobalt spherical Ni with high temperature by adding with cobalt internally. Anode additive adopts additive with calcium, yttrium and cobalt elements. Cathode alloy powder adoptslow hydrogen absorption plateau long lifetime type alloy powder. The capacity ratio of anode and cathode electrodes is 1:1.5 to 2.2. Electrolyte adopts an improved formula for conventional ternary electrolyte. Through the choice of the materials and the optimization of ratio and formulae, the invention can meet the requirements of small current, high charging efficiency and long lifetime.
Description
A kind of manufacturing process of Ni-MH high-temperature rechargeable battery Technical field: The invention relates to a manufacturing process of a battery, in particular to a manufacturing process of a nickel-hydrogen high-temperature rechargeable battery working in a high-temperature environment. Background technique: Since the industrial revolution, with the well-known global warming and the increase of the "greenhouse effect", environmentally friendly, high-temperature Ni-MH high-temperature batteries have been more and more widely used, and people's requirements for rechargeable batteries have also increased. It is getting higher and higher, mainly because there are more and longer high-temperature weather in cities near the equator. Conventional rechargeable batteries are often not fully charged due to small currents in high-temperature environments, and continuous low-current discharges are required to ensure use. If high-temperature low-current charging efficiency...
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IPC IPC(8): H01M10/28H01M4/24H01M4/66H01M2/14H01M4/62H01M10/26H01M50/403H01M50/497
CPCY02E60/124Y02E60/10Y02P70/50
Inventor 熊兴海杨书胜周建明钟发平
Owner YIYANG CORUN BATTERY