Polymer lithium battery process research progress

　　1. Battery thin -type research:

　　Ultra -thin batteries are applied to smart cards, such as IC cards, etc., thin batteries below 0.4mm;

　　Micro -meter -level or even thinner electrode preparation, such as printing and vacuum -plated electrodes, laser sputtering electrodes;

　　Ultra -thin high -performance packaging materials and technologies; micro -electrode assembly process;

　　2. Large battery structure process:

　　Z-type folding battery structure (taking into account high energy and high power density);

　　The combination of multi -battery screening and stringing, as well as the research of related electronic protection and charging balance processes.

　　The structure of high -performance omnation lithium -ion battery has always been the goal of hard work.

　　Polymer lithium battery industry situation

　　In 1996, Bellcore's development of the HYBRID polymer lithium -ion battery products can be produced in batches, and this industry has begun to flourish.

　　Later, more research institutions and enterprises joined this industry, and the industry was growing.

　　In 2000, polymer lithium -ion batteries developed rapidly in Japan and the United States.

　　The Japanese polymer lithium -ion battery company headed by Sony company has an annual output of more than 20 million, accounting for more than 50 % of the world's market share;

　　China's polymer lithium -ion battery has been industrialized since 1998. At present, more and more companies have joined the development and production of polymer lithium -ion batteries.

　　China's production capacity has reached the scale of 80 million annual output.

　　It can be seen that although the domestic polymer lithium -ion battery industry has shown an impressive situation, it also faces the situation of incompatibility and great challenges, and the relevant enterprises and industry organizations need attention.

　　Due to the rapid growth of the mobile electronic product market in recent years, the demand for lithium ion batteries has increased rapidly. In 2003, the output of global lithium -ion batteries was 1.4 billion, and about 1.8 billion in 2004. It is estimated that this output will be in 2008 that will be. It reached 2.3 billion, an increase of about 30 %, but the total value increased slowly, from $ 4.8 billion to $ 5.2 billion, only about 8 % increase. According to industry statistics, the price of lithium -ion battery market decreases by more than 15 % per year.

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