1. Situation and development trend of lead-acid battery industry. Industry Outlook. 2007[in Chinese].
2. Yanqing Zhang. Development of lead-acid battery technology[J]. Auto Electric., 2001; 25(1): 2-9[in Chinese].
3. Ziqiang Guo. Application and sustainable development of lead-acid batteries[J]. Chinese Bicycle, 2008; 8; 29-32 [in Chinese].
4. WANG J, LIU H K, DOU SX, et al. Enhanced performance of VRLA Batteries with a novel spirally-wound electrode design[J]. Joumal of Power Sources, 2003, 113: 224-241.
5. Hongyu Chen, Yuehong Shu. The prevention of lead acid and occupational health protection, . Beijing, Chemical Industry Press, (2011).