It was the best of times, it was the worst of times. It was the age of innovation, it was the age of imitation. It was the epoch of the battery, it was the epoch of lithium. It was the season of Japan, it became the season of China. It was the spring of hope for batteries, it was the winter of despair from safety. Charles Dickens will forgive me for contorting his famous novel into a Tale of Two Geographies: China vs. the world, that is in lithium-ion batteries, of course.
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