The tech industry can be a volatile market when it comes to
customer loyalty. With technology continually evolving and new technology becoming
available to the market every 6-12 months, there’s constantly a new device that
is shifting customer attraction. With that, any product defects that plague a
brand can sometimes lead to their ultimate demise. Samsung, one of the leading
tech brands in the world, went through one of their biggest brand
embarrassments in 2016 with the ‘exploding’ Samsung Galaxy Note 7. The news
surrounding the defective batteries became very public and lead to a PR
nightmare for the tech giant. Customer brand loyalty began to fall and it
raised the question of how they could ever recover. With that question in mind,
let’s dive into the details a little more.
First, some history: After 35 device
owners reported that their phone had overheated, for some the device caught
fire, Samsung made the decision to recall every Galaxy Note 7 that was sold
worldwide (at the time it was reported that this equated to 1 million devices
of the 2.5 million manufactured) and stopped all sales of the device. Before
the final recall on October 13th, 2016, there were attempts at
replacement batteries and units however they still had reports of devices of
the phones catching fire which lead to the inevitable end of the Samsung Galaxy
Note 7.
Now for some science: In January 2017 it was reported that the
cause of the fire was that when the lithium ion batteries were continually
over-charged, the lithium ions would start to cover the surface of the negative
contact in a coating of lithium metal through a process call “plating”. In
extreme conditions, that lithium metal can form tiny spikes (dendrites) that
can poke right through the separator between the electrodes causing a short
circuit.
In between the time that the
recalls occurred and the report of what caused the battery malfunctions, Samsung
remained fairly quiet in the news. It wasn’t really until the announcement of the
Samsung Galaxy S8 that consumers heard anything about the future of their Galaxy
devices. During their time of silence Samsung went back to the drawing board to
not only finalize the design of the S8 but also to re-engineer their battery
testing process.
How Samsung is improving their
battery testing: With the release of the S8 all eyes are on how
they plan to ensure the safety of their phones batteries in the next line of
devices. To ease those consumers worries Samsung has revealed an 8-point
battery check that improves upon previous testing measures and includes new
tests to ensure the safety of the batteries. Below is a breakdown of the
8-point battery check and what each step entails. The first 5 points are
previous processes that have been improved upon:
- Durability Test: the engineers overcharge the batteries, puncture the casings, and expose them to extreme temperatures.
- Visual Inspection: Visually inspect all batteries against enhanced criteria.
- X-Ray Test: X-Ray inspections to view the inside of the battery for any abnormalities.
- Disassembling Test: Increased battery disassembling test to assess its overall quality, including the battery tab welding and insulation.
- OCV Test: Checking every device for any change in voltage throughout the manufacturing process from component level to complete device.
- Charge/Discharge Test: The batteries undergo a large-scale charging and discharging test.
- TVOC: Additional testing to ensure battery integrity.
- Accelerated Usage Test: Intensive test simulating accelerated consumer usage.
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