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| A Review on the Separator for Power Li ion Batteries |
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| DOI：10.11980/j.issn.0254-508X.2015.02.012 |
| Key Words:power li-ion batteries separator wet-laid nonwovens high thermal tolerance multi-layer separator |
| Author Name | Affiliation | | 张洪锋 | 华南理工大学轻工与食品学院,制浆造纸工程国家重点实验室,广东广州,510640 | | 井澄妍 | 华南理工大学轻工与食品学院,制浆造纸工程国家重点实验室,广东广州,510640 | | 王习文 | 华南理工大学轻工与食品学院,制浆造纸工程国家重点实验室,广东广州,510640 | | 龙金 | 华南理工大学轻工与食品学院,制浆造纸工程国家重点实验室,广东广州,510640 |
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| Abstract:The common preparation methods of separator for power li-ion battery and the reparatory properties were reviewed in this paper. New progress of different preparation methods was highlighted. Using polymer mixtures with different melting temperatures, as well as using polymers with better thermal tolerance can improve the shutdown and meltdown temperatures of the stretch film. The mechanical property of electrospinning separators can be improved by mixing solvent and adding inorganic particles. For wet-laid nonwoven reparator, pore size and pore size distribution can be controlled by using microfibers. Multi-layer separator as a new power lithium battery separator, exhibits great advantages in uniformity, low thermal shrinkage and high thermal tolerance. The key is to find appropriate composite methods to maximize the synergistic advantages of the different materials. |
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