Silicon Carbon Batteries: How Phones Now Last Two Full Days

A silicon-carbon battery is a lithium-ion cell that swaps part of its graphite anode for silicon, which holds around ten times more lithium by weight. The change lets phone makers fit 7,000mAh or more into bodies under 8.5mm. The trade is calendar life: rated charge cycles fall by up to 40 per cent.

Raccontata dagadgetsnow.indiatimes.com