collected by :Molly Tony
It continued to ship Note 7s with batteries from the other supplier, ATL, offering them as safe replacements.
UL also said the high energy density of the battery design meant more severe problems when a breakdown occurred.
PhotoAlthough Samsung mostly pointed to manufacturing failures on Monday, battery scientists say aggressive design decisions made problems more likely.
Part of the problem was that with the Note 7, Samsung had pushed itself to the limit, company officials said.
In addition to the design flaws, Samsung and outside experts said manufacturing problems were often directly to blame.
Samsung reportedly concludes ‘irregularly sized’ batteries caused Galaxy Note 7 explosions
However, the replacement units were deemed unsafe, too, after a number incidents and the Galaxy Note 7 was recalled in full and killed off for good.
Beyond that core assessment, the Journal wrote that Samsung’s report also found that further manufacturing problems impacted so-called safe devices, which ultimately caused a full recall.
samsung is holding a press conference in three days to explain the defect in the Galaxy Note 7 that forced the product’s recall, but already it is being reported that wrongly sized batteries were what made some units combust.
To recap: initially, when reports of customers’ devices exploding emerged, samsung believed that the issue was related to phones with batteries produced by its samsung SDI affiliate.
Samsung’s latest financial report is out next week, with its current Q4 2016 quarter tipped to produce its best results for two years.
Samsung Investigation Blames Battery Size for Galaxy Note 7 Fires
An investigation into the cause of faulty batteries that led samsung Electronics to pull all of its Galaxy Note 7 smartphones last year found that some batteries were irregularly sized.
The conclusion, which will be unveiled by samsung on Monday, helps to explain the technology giant’s product recall that damaged its brand…
Photo: Ahn Young-Joon/Associated PressAn investigation into the cause of faulty batteries that led samsung Electronics Co. to pull all of its Galaxy Note 7 smartphones last year found that some batteries were irregularly sized, causing overheating, while others had manufacturing problems, according to people familiar with the matter.
WSJ’s Lee Hawkins explains.