In recent years, lead-acid battery technology has conti […]
In recent years, lead-acid battery technology has continued to develop and products have matured. The starting battery structure is gradually optimized and upgraded. The maintenance-free battery is widely used and is still an important power supply device for military and civilian transportation equipment. It plays an important supporting role for China to become a major automobile producing country in the world. Valve control batteries, gel batteries, etc. as the core components of backup power supply and large reserve power supply, its production has become an important basic industry in the development of the national economy. The lead-acid battery industry has a lot to offer. Lead, a main raw material for lead-acid batteries, can be recycled and reused. As long as the relevant industrial policies for the recycling of used batteries are introduced and the market is correctly guided, it can effectively solve the problems of resources and environment such as shortage of non-ferrous metals and lead pollution in China. Therefore, correctly understanding the status quo of the battery industry, grasping the development trend, and effectively solving its own problems are recycling resources and building a conservation-oriented society, which is an effective way to develop the national economic science.
China's lead-acid battery industry status
Since joining the WTO, with the promotion of relevant national industries and the increase of investment in international battery manufacturers in China, the lead-acid battery industry in China has developed rapidly, with an annual growth rate of more than 30%. At the same time, with the increasing demand in the international market, China has become one of the world's largest exporters of lead-acid batteries. The gap between China's lead-acid battery technology and the international level is not obvious. The automobile battery is at the international advanced level, and the battery technology for power and electric bicycle is close to the international advanced level.
After more than 20 years of development, the maintenance-free and sealed battery technology has made great achievements, making the lead-acid battery not only widely used in traditional fields such as transportation, military defense, etc., but also widely used in solar photovoltaic power generation, wind power generation, communication power supply. , power distribution system, railway, ship communication, starting, lighting power, UPS power. Technological advancement has driven the rapid development of the battery industry, making it one of the emerging sunrise industries. However, as the price of lead, the main raw material for lead-acid batteries, increased significantly in the second half of 2004 and continued to operate at high prices, the industry profit of lead-acid batteries showed a downward trend. In recent years, with the changes in market demand, the production methods and processes of lead-acid batteries have been continuously improved, the manufacturing level has been continuously improved, and the battery has been continuously improved in terms of energy, cycle life, performance consistency, safety of use and environmental protection. With the development of power sources such as electric bicycle batteries, high-temperature curing technology has developed rapidly. It is generally believed that high temperature curing can improve the life of the battery. In recent years, the negative electrode additive and ratio have also accumulated large gesep.com quantity parameters, and found some regular experience. Domestically, other advanced technologies such as wound-type batteries, bipolar, and thin plates are still in the research stage, and there is no mass production.
Judging from the application of patent technology in China, the overall technical development defense of the battery industry in recent years is the improvement of battery structure and the development of battery models. The foreign patented technology mainly involves a thin plate bipolar lead battery in cash, a sealed battery using a modular structure, and a colloidal electrolyte lead battery. Therefore, there is still a gap between our patented technology and foreign countries.