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The reasons for the battery flaw
Posted on February 2nd, 2010 No commentsThe reasons for the battery flaw
Sony Corporation (Sony Corp.) Last year, regarding the voluntary recall of laptop Dell Inspiron 1420 Battery has created a hubbub, but a year later, after Matsushita Electric Industrial Co., Ltd. (Matsushita Electric Industrial Co. Ltd.) Reverted to Sony’s mistakes, this highlights the battery industry, some of the problems still exist.
Nokia Corporation (Nokia Corp.) Tuesday said that the 4,600 million Nokia mobile phones Panasonic products used in lithium-ion batteries, some of the overheating problems were reported there. Nokia said it would under the voluntary recall program to replace these batteries. The minor number of the company to replace the battery is still unknown, but the number of potential replacement of the Sony recall last year’s event four times, thus becoming the battery industry’s largest product recall incident one.
Since August last year, Dell Inc. (Dell Inc.) Shocking to announce that Sony’s massive recall of notebook computer lithium-ion battery, the battery industry has been similar incidents in other troubled companies. Almost all of the major computer makers have announced the recall of Sony notebook computer batteries, while Sanyo Electric Co., Ltd. (Sanyo Electric Co. Ltd.) Also recalled notebook computer and cell phone Dell Inspiron 1501 Battery.
Frequent exposure of the battery recall problems and recurring events, on the one hand be attributed to manufacturers more and more attention on consumers begin to make a more resolute response, but also exposed the difficulty of the battery manufacture its own how high.
Rechargeable lithium-ion battery with cheap, light weight, and more than nickel-cadmium batteries, and other types of battery is more environmentally friendly, etc., thus the laptop computer and cell phone industry to be successful in the past 15 years, a major contributor.
However, large capacity lithium-ion battery production difficulties are also great, and easier to overheating, once the circuit than the alkaline batteries can cause more serious consequences. Sony’s battery caught fire last year, once the accident occurred. The Nokia Panasonic Dell Inspiron 1520 Battery recall is in the charging process will overheat.
Even worse is that now more and more complex computers and mobile phones, and the pace of development than the battery technology advances, which means that the battery capacity will keep rising.
Lithium-ion battery technology, taking into account the shortcomings, Toyota Motor Corporation (Toyota Motor Corp.) Has been delayed its application in hybrid cars on the plan. But industry experts said that despite the lithium-ion battery has its limitations, but in the foreseeable future is still the most practical battery technology.
In order to maintain its market share, Sony this week announced that it would spend ¥ 11,500,000,000 (equivalent to 9,760 million U.S. dollars) building a cell phone battery factory in Singapore, and will employ more advanced technology to produce lithium-ion polymer batteries. The plant to be put into production in August next year, an initial monthly capacity of one million batteries by 2010 will rise to 8 million.
Japan’s Toshiba Corp. (Toshiba Corp.) Other vendors are developing fuel cells, alternative energy technologies. This Dell Inspiron 1521 Battery will get rid of the shackles of chemical energy, but still long way from commercialization.
As the world’s one of the four lithium-ion battery manufacturers, Matsushita said the battery recall problem in the manufacturing process due to the battery positive and negative electrodes used for barrier in order to prevent short circuits were damaged parts. Of these batteries overheating caused by Nokia mobile phones are only 100 cases of complaints, and no person has serious injuries. But Nokia said that in order just in case, will replace Matsushita from December 2005 to November 2006 in Osaka, the main factories for producing all of the same types of battery.
Panasonic is expected to recall most of the cost will be borne with dell latitude d520 battery, it was estimated that this cost at 200 billion yen. Matsushita Electric’s shares in the Tokyo Stock Exchange (Tokyo Stock Exchange) closed at 2,015 yen per share, down nearly 5%.
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