What countries have lithium batteries for laptops?

Recently, due to the lithium battery security issues, Dell and Apple had to the worldwide problem of a batch of laptop with lithium battery to recall. For now, a global scale is not a unified standard of laptop battery, and has no detailed specification in this respect in China.

In the global scope, the standard lithium-ion batteries in a mess, the national standards, industry standards chart.Overall, roughly divided into two systems, a place that is a delegate with national standards, such as JIS (Japanese national standards), another kind is industry system, such as the IEEE (American institute of electrical and electronics engineers) and IEC (international electrotechnical commission).Although the two types of standard system in roughly similar monitoring projects, but have different emphasis.In this case, the lithium battery manufacturers to enter the world market, have to through a variety of certification.

At present, in the field of laptop lithium battery, was born in 2004's "IEEE1625" high approval ratings, the standard name for "American institute of electrical and electronics engineers mobile computer use rechargeable batteries IEEE1625 specification".The specification defines the appearance of the portable computer rechargeable batteries, environmental protection, cells, and the lowest standard packaging, etc.According to this specification, effectively prevent the outside factor such as high temperature, impact and vibration caused by the accident.This standard was accepted another reason is that fully consider the factor of the manufacturer, standards working group has a batch of notebook, battery manufacturers, including dell, HP, IBM, MOTOROLA, Panasonic, SONY, Texas instruments, etc.

The reporter understands from the national standardization management committee, on lithium battery standard, there are some rules in China, such as the primary element in the standard part 4 lithium battery safety requirements, lithium battery pack dangerous goods dangerous features safety standards inspection.But this is just some basic safety requirements for lithium battery, no segment to a specific product, notebook computer with lithium battery specification is still a blank.Relatively, due to China's mobile phone use lithium battery core technology breakthrough, has produced the cellular phone use lithium ion batteries national standard code for total.

Yesterday, according to foreign media reports, dell, apple, lenovo and so on electronic circuit and connected in electronics industry association (IPC) OEM key component members of the committee has decided that in the middle of next month's summit in SAN jose, California, for laptop computers and handheld electronic product development of lithium ion battery production standards.Chairman IPCOEMCCC JohnGrosso, electronic equipment standards, says they will take the design of the lithium ion battery, to evaluate performance and safety standards, and then set a unified standard in the industry.

Yesterday, the reporter interviewed several domestic large respectively laptop manufacturer, they are all on the lithium ion battery standard, said it is not.While SONY senior public relations manager told the reporters, also just saw the news on the Internet, now haven't received any notice.Several companies are said, establishes a set of standards, apparently for safe use of the battery has great benefits.

Domestic has not been limited

With notebook PC board

The reporter understands from airlines, at present, the domestic airlines to the laptop to carry and use have not made any hard and fast rules.Notebook computer can carry on a plane, at the same time in the process of flight, passengers can use the laptop battery power, can also use the power plug on the plane.

China southern airlines officials told reporters that flight restriction on the use of notebook computers and no brand.Due to the limited power plug on flights, it is recommended that passengers it is best to use the battery power.In addition, united airlines and continental airlines, American airlines, northwest, air France, ba, Finnishspecial, said the recent not for safe use of laptop computers.

Expert opinion

Lithium batteries used risk have how old?

Dell and apple inc. has announced that it would on a global scale after the recall of laptop batteries, cause the public attention to the lithium battery safety problem.Famous battery testing expert, director of the national 863 program, battery testing center zi-dong wang in an interview with xinhua news agency reporter pointed out that the safety of the lithium battery is relatively stable, consumers don't have to panic too much.

Zi-dong wang said that the lithium battery has a large capacity, high energy, long cycle life, no memory effect, so for now, the lithium battery is still realize safe, high capacity and good cost performance ideal battery."Experts say, due to the lithium chemistry is a kind of very active element, in the external force damage instantly easy to fire and explosion.Because of the difference of connected computer system configuration (including relevant computer system security design, different charging system, the cooling performance of different, etc.) will have an effect on the safety of the battery.Computer manufacturers in the process of design and production, therefore, to take into account the temperature control, make the battery has very good heat dissipation performance.

Zi-dong wang pointed out that, when consumer is buying, in order to understand the computer to see if there is heat or temperature management system, at the same time need to pay attention to reading electronic product instruction for use, the battery being ready for the use of the environment.Second, make sure the computer ventilation, because computer vents a wall, easy to induce accidents.Again, always pay attention to the temperature of the computer, found that the temperature anomaly, decisive to cut off the power supply.

The page contains the contents of the machine translation.