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MODIFIED CHARGE COLLECTORS AND CELL CASES FOR ENHANCED BATTERY-CELL ROBUSTNESS

United States Patent Application

20180019476
A1
View the Complete Application at the US Patent & Trademark Office
A battery can include a cathode; an anode; a case; and an electrolyte; wherein the cathode and anode are formed of active material positioned on charge collectors. In one aspect, a battery includes a cathode comprising at least one charge collector; an anode comprising at least one charge collector; a separator; a cell case; and an electrolyte. The cathode and anode are formed of active material positioned on charge collectors. Examples of the aspect can include some, all, or none of the following features. The charge collector contains at least one weakening feature selected from the group consisting of bumps, notches, grooves, cracks, voids, sharp openings, folds, ridges, valleys, and hollow cross-section profiles.
Qiao, Yu (San Diego, CA), Wang, Meng (La Jolla, CA), Noelle, Daniel J. (La Jolla, CA)
15/ 546,918
January 29, 2016
STATEMENT AS TO FEDERALLY SPONSORED RESEARCH [0003] This invention was made in the course of research partially supported by grants from the U.S. Department of Energy (DOE) (Grant No. DE-AR0000396). The government has certain rights in this invention.