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混合锌粉包覆工艺中PTFE替代PVA的可行性

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发表于 2012-6-24 07:14:17 | 显示全部楼层 |阅读模式
混合锌粉包覆工艺中PTFE替代PVA的可行性
张锡军 徐雅琴 段志宇 李仕锦中国电子科技集团公司第十八研究所,天津300381

摘 要:在混合锌粉包覆过程中,添加质量比为10%的聚四氟乙烯(PTFE)取代传统工艺的聚乙烯醇(PVA)。考察了极板的成形性、均匀性,并采用实验电池进行电性能分析。添加10%的PTFE的混合锌粉在电极成形性、均匀性(厚度、质量)、充放电性能(循环性能、湿寿命)等方面,都略优于添加PVA的混合锌粉,第36次循环(湿寿命性能)的放电容量高出近10%。[著者文摘]

关键词:锌电极 包覆 粘合剂 聚四氟乙烯(PTFE) 聚乙烯醇(PVA)
分类号: TM912.2[著者标引]文献标识码:A文章编号:1001-1579(2010)04-0198-03栏目信息:技术交流
相关文献:主题相关 全文快照   

The feasibility of PTFE substituting PVA in mixed zinc powder coating technologyZHANG Xi-jun, XU Ya-qin, DUAN Zhi-yu, LI Shi-jin No. 18 Institute, China Electronic Science and Technology Corporation, Tianjin 300381, ChinaAbstractolytetrafluoroethylene (PTFE) with mass ratio of 10% was added in the coating process of mixed zinc powder to sub- stitute polyvinyl alcohol (PVA) of traditional technology. The electrode formability, uniformity of plate were investigated, the elec- tric performance was analyzed by experimental cell. The electrode formability, uniformity (thickness, weight) and charge-discharge performance (cycle performance, wet life) of mixed zinc powder adding 10% PTFE were slightly better than mixed zinc powder adding PVA, the discharge capacity at the 36th cycle(wet life performance)was higher,about 10%.[著者文摘]

Key words:zinc electrode; coating; adhesive; polytetrafluoroethylene(PTFE); polyvinyl alcohol(PVA)

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混合锌粉包覆工艺中PTFE替代PVA的可行性

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