Exploding Samsung Phones Show Perils of Building Better Battery

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  • Smartphone makers advance battery technology to win customers
  • Bigger battery and faster charging may have led to issues

Has Samsung Pushed Battery Limits?

Samsung Electronics Co., under pressure from consumers for longer-lasting batteries that charge faster, pushed the limits of lithium-ion technology. The effort backfired when some of its new Note 7 handsets caught fire and exploded.

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