Scientists discover how oxygen loss saps a lithium-ion battery's voltage

When lithium ions flow in and out of a battery electrode during charging and discharging, a tiny bit of oxygen seeps out and the battery's voltage—a measure of how much energy it delivers—fades an equally tiny bit. The losses mount over time, and can eventually sap the battery's energy storage capacity by 10-15%.

from Energy & Green Tech News - Energy Sciences News, Green Tech, Energy, Energy Science https://ift.tt/3wsXqqj

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