How to prevent short-circuiting in next-gen lithium batteries

The quest for more powerful lithium batteries, packing more power per pound, has been thwarted by the fact that metallic projections called dendrites form between the two electrodes and cause a short circuit, which saps power and presents a fire hazard. Now, Professors Yet-Ming Chiang and Craig Carter, along with others, have found a new way to combat the problem, using a semi-solid amalgam for the electrodes which gives them a self-healing ability to eliminate dendrites. Their results are published in Nature Energy.

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