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What is the status of lead-acid battery in China

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What is the status of lead-acid battery in China

Lead acid battery (VRLA) is a kind of battery whose electrode is mainly made of lead and its oxide, and the electrolyte is sulfuric acid solution. In the discharge state of lead-acid battery, the main component of positive electrode is lead dioxide and the main component of negative electrode is lead; Under the charging state, the main components of the positive and negative electrodes are lead sulfate. The lead-acid battery has mature and safe technology, low materials, good recycling ability and reliable charge and discharge performance. Compared with other electrochemical systems that have been put into practice, such as nickel hydrogen battery, lithium ion battery and lithium polymer battery, lead-acid battery has absolute advantages in market competition, and has occupied more than 80% of the market share in secondary power supply. Lead-acid battery plays an important role in various economic fields such as transportation, communication, electric power, military, navigation, aviation and aerospace.

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