Since commercialization 30 years ago, lithium-ion batteries have made great progress. Today’s lithium-ion battery has a longer battery life, a larger capacity, and a cost reduction of 85% than it did a decade ago. It is the driving force behind the smartphone revolution. However, safety is still a major problem for lithium-ion batteries, which can cause heat and fire.
The inventor of the all-polymer battery Hideaki Horie said that from a physics point of view, lithium-ion batteries are the greatest heaters created by mankind. The new battery he invented attempts to make battery manufacturing similar to steel production.
His invention replaced the metal-lined electrodes and liquid electrolyte used in lithium-ion batteries with a resin structure.
This battery uses a bipolar design to prevent heat generation caused by surges. But the new battery is not without its shortcomings. The conductivity of the polymer is not as good as that of the metal, which will affect its carrying capacity.
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