Low-temperature operation remains one of the greatest challenges for modern energy storage systems. Standard lithium-ion batteries suffer from reduced capacity, increased internal resistance, and sluggish chemical reactions when temperatures drop below freezing. Among the various battery technologie
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Battery-powered electronic personal care products are suitable for travel or daily use due to their portability and the fact that they do not need to be plugged in. Depending on product requirements and designs, they are mainly divided into two categories: rechargeable batteries and disposable batte
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