Google Inc.

Swapnil Dalavi

Sujeet Kumar

Ramesh C Bhardwaj

Shabab Amiruddin

Bing Li

Tai Sup Hwang

This disclosure relates to a battery and a method for its manufacture. An example method includes forming an anode comprising silicon monoxide and a forming a cathode comprising lithium cobalt oxide. The method also includes arranging the anode, the cathode, and a separator in a layered arrangement. The method further includes winding the layered arrangement to form a wound arrangement, compressing the wound arrangement, and packing it into a pouch. The method yet further includes soaking the wound arrangement in an electrolyte for a predetermined time and at a predetermined temperature. The electrolyte includes a lithium hexafluorophosphate salt dissolved in a solvent including ethylene carbonate and diethylene carbonate in about a 1:2 volume ratio. The additive includes fluoroethylene carbonate in an 8-12% weight ratio.

Growing community of inventors

Atlanta, GA, United States of America

Swapnil Dalavi