factbox: batteries blamed in boeing 787 grounding are widely used - 3.7 volt lithium ion battery
WASHINGTON (Reuters)-Lithium-
Similar to the batteries that prompted the FAA to conduct ground tests on Boeing's new 787 aircraft on Wednesday, which were also used by satellites and the United States. S.
New F-
Joint Strike FighterSmaller-scale lithium-
Ion batteries have been in use for more than 20 years to power laptops and other electronics.
They are also becoming more and more popular in electric vehicles.
Here are some key facts about the battery and lithium used on 787
Ion battery technology makes the battery lighter and stores more energy. -
Boeing's new 787 aircraft uses two lithium
Ion batteries made by Japan GS Yuasa and related control circuits made by Thales SA.
They are part of an auxiliary power unit provided by United Technologies's joint technology company United Aerospace, which provides power when the aircraft lands. -The F-
35 joint strike fighters manufactured by Lockheed Martin used similar lithium
But it was made by different manufacturers, the French Saft group SA.
Lockheed said that since the batteries were manufactured by another company, it is not expected to have any impact on the Pentagon's largest weapons program. -
The Airbus A350, manufactured by European EADS, will also use lithium-
Ion batteries made by Saft.
The plane will fly for the first time this year. -
Several other aircraft, including the Airbus A380 and Boeing 787, use smaller lithium batteries for emergency lighting and other purposes. -Lithium-
If the ion batteries are overcharged, they will catch fire and once they are on fire, they will be hard to go out because the chemicals produce oxygen.
But Boeing says it has designed a variety of systems to prevent overcharging and control battery fires and siphon smoke before reaching the cabin. -
Boeing says it uses about twice as many batteries as car batteries on 787, and has conducted extensive tests in labs and operations. The U. S.
The National Transportation Safety Commission said that the auxiliary power unit battery that caught fire at Boston Logan International Airport in January 7 weighed about 63 pounds and measured 19 inch at a speed of 13 inch by 10. 2 inches. -
The Chevrolet Volt hybrid, manufactured by GM and other electric vehicles, satellites, laptops, mobile phones and other electronics, also uses similar batteries.
The technology was first used by Sony in 1991 for electronic products. -Lithium-
Ion batteries can be lighter, smaller, and hold longer capacity. Lithium-
The ion battery is about half the weight of nickel.
But they are almost twice as energetic as they were. -
Problems with lithium
Ion batteries containing flammable chemicals, if short
Former U. S. senator Daniel Doherty said the circuit would happen if they overcharged or if they were under too much pressureS.
Government researchers and experts on battery safety. -
The battery failure may hatch for a long time before it becomes obvious, says mehhty, who cited a 2011 case in which lithium-
Three weeks later, the ion battery pack in Volt caught fire. S.
Crash tests were conducted by safety regulators.
The National Highway Traffic Safety Administration later determined that Volt and other electric vehicles would not pose greater fire risks than gasoline.
Power car. -
Another lithium
Ion battery manufacturer A123 Systems was forced to recall battery packs made for the plug of Fisker Automotive
In last year's hybrid car, Karma.
A123, who eventually went bankrupt, blamed the battery problem on manufacturing defects. -
EaglePicher Inc. , a subsidiary of OM Group Inc. , also produces lithium-
According to a research report from the Buckingham Research team, ion batteries are currently being certified for business aircraft.
The company quoted executives as saying they could design and certify 787 of the battery in 12 to 15 months.