Cell phone lithium battery market outlook
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In recent years, as a result of mobile communications and portable electronic products to flourish, there is increasing emphasis on the quality of batteries, including rechargeable batteries due to the small consumers, which led rechargeable batteries from a wave of industrial investment. According to statistics, the global small rechargeable battery is about the annual production value of 10 billion U.S. dollars, of which the mainstream of the lithium battery products accounted for more than half of it is.
The world for more than 65% of lithium battery shipments are concentrated in Japan’s Sanyo Electric, Sony and Matsushita Electric Works, the three major manufacturers, as a result of excess production companies in Japan, coupled with the lithium batteries in China and South Korea to enter the market continues to get low-cost attack the market, resulting in price decline in the level of lithium batteries is far more than expected, although overall shipments of lithium batteries a small growth, but the result of declining average unit price, making the overall output of lithium batteries about 13.8 percent decline. Outlook 2004, as the market digested the recovery of stocks finished with the phone, the mobile phone manufacturers are forecast to increase shipments by 10% ~ 15%, while the output of lithium batteries is expected to grow 3.8%.
It is worth mentioning that, China’s lithium battery manufacturer BYD, 2003 in the overall shipping capacity of 75 million, has been promoted to the rank of the world’s fifth largest manufacturer of lithium batteries. As for the square type of lithium battery shipments of mobile phones in the request because the trend of thin short, 8mm thickness of more than 2003 products accounted for only about 5%; and mainstream products for the thickness of 6mm, up to 62% share; In addition the thickness of 3 ~ 4mm proportion of the products has risen gradually in 1999 from the rapid growth of 3 percent to 33 percent of in 2003. Outlook 2004, the thickness of 6mm or more products will be gradually reduced to 3 ~ 5mm thickness Yongyue mainstream products in the market.
Flexible packaging of liquid lithium-ion rechargeable battery technology available
Recently, UNITA from CITIC Technology Co., Ltd. Solid-profit Power R & D cooperation with Peking University’s “driving force for plastic film packaging of liquid lithium-ion secondary battery of new technologies” in Beijing by the Beijing Municipal Science and Technology Commission adopted the results of identification of organizations.
Driving force for plastic film packaging of liquid lithium-ion secondary battery is a high energy density, high operating voltage of the new environment-friendly batteries, not only for the power source for transportation, but also can be designed depending on the application into multiple batteries in parallel or series even into different capacity of batteries and power to meet the needs of a variety of mobile or place of use of the power demand. Far as introduced by the testing authority of comparison, the plastic film packaging quality lithium batteries with specific energy polymer lithium-ion battery rather, up nearly 1.5 times the battery steel; rate discharge battery with the same steel is superior to polymer batteries; Acupuncture trials and their safety performance results show that close to polymer batteries, and battery is better than steel. Relatively hard (steel, hard plastic case) battery, the battery with light weight, small size, high energy density; safety performance; production process simple and low cost; easy to change size, etc..
The experts believe that the “driving force for plastic film packaging of liquid lithium-ion secondary battery of new technologies,” R & D results are the first at home and abroad, the applications of that technology to China’s Li-ion power batteries of the further development of the industry will play a positive role in promoting.
