Causes of Note 7 Battery fires - Samsung details:

Causes of Note 7 Battery fires - Samsung details:

Today, Samsung mobile business chief Dong-jin Koh identified what went wrong with their Galaxy Note 7 handsets who caught fire. Samsung recalled all Note 7 all around the world due to this mishap, which is said to be worst technology, recalls in recent times.

The conference held in Seoul, South Korea today (23rd Jan 2017). Dong-jin Koh, apologize to customers and suppliers.
The Galaxy Note 7 handsets were packed with lithium-ion batteries, which are arranged in three layers:
  1. Positive electrode,
  2. Negative electrode
  3. Physical layer that acted as the separator between the first two.
When the positive and negative electrodes touch, it can sometimes lead to short circuits within the battery cells.
Koh clarified in the primary set of batteries, which were moved out with the original Note 7, there was a problem with the upper right corner of the battery cell. "He said, adding incorrect positioning of the negative electrode tip also led to a higher likelihood of incidents.
In the 2nd set of batteries, which was provided by the different manufacturer and were also put into the replacement units, Samsung said that they found melted copper on the negative electrode area. Koh said there were welding issues that led to contact between the positive and negative layers, resulting in short circuits and then fire.
Source: http://tecupdates.com/causes-of-note-7-battery-issue/

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