High-performance lithium-ion batteries with gel polymer electrolyte based on ultra-thin PVDF film
文献类型：期刊论文
| 作者 | Shi, Tianze1,3; Kang, Shuai1,3 ; Zhang, Kun3,4; Xue, Fengjuan2,3; Lu, Wenqiang1,3
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| 刊名 | IONICS
 |
| 出版日期 | 2022-05-06 |
| 页码 | 8 |
| 关键词 | Gel polymer electrolytes PVDF Lithium-ion batteries Thickness |
| ISSN号 | 0947-7047 |
| DOI | 10.1007/s11581-022-04588-2 |
| 通讯作者 | Lu, Wenqiang(wqlu@cigit.ac.cn) |
| 英文摘要 | Both reducing the liquid electrolyte and solid electrolyte have been acting as novelty strategy for commercial lithium-ion batteries avoiding safety problems such as fires and explosion which is mostly caused by the liquid organic electrolyte flammability. However, reducing the liquid electrolyte leads to capacity loss and energy fade of batteries. Here, we synthesized ultra-thin film of polyvinylidene fluoride (PVDF)-based gel polymer electrolyte (GPE), which also act as the separator, with trace amount electrolyte solution as a whole system to explore the optimized balance between safety and capacity of these new batteries. Both battery rate performance and cyclic stability are significantly improved when the thickness of the polymer electrolytes decrease to 20 mu m. Furthermore, the batteries exhibit excellent cyclic stability when a minimum of 5 mu l liquid electrolytes was added to the surface of the thin PVDF film (110.9 mAh center dot g(-1) with a capacity retention of 78.6% at 0.5C after 150 cycles). It should be noted that the maximum discharge-specific capacity and discharge-specific capacity after 150 cycles of 5 mu l-LFP/GPE-20/GC cell is 1.29 and 1.44 times larger than that of commercial cells. All the experiment results above might provide an optimization technical route and process for real applications in future lithium-ion batteries. |
| 资助项目 | Chongqing Natural Science Foundation[cstc2021jcyj-msxmX1015] ; Key Field Science and Technology Breakthrough Plan Project of Science and Technology Bureau of BINGTUAN[2021AB026] ; Chongqing Talent, Innovation, and Entrepreneurship Leading Talent Project[CQYC20210301363] |
| WOS研究方向 | Chemistry ; Electrochemistry ; Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000791651200001 |
| 出版者 | SPRINGER HEIDELBERG |
| 源URL | [http://119.78.100.138/handle/2HOD01W0/15849]  |
| 专题 | 中国科学院重庆绿色智能技术研究院 |
| 通讯作者 | Lu, Wenqiang |
| 作者单位 | 1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 2.Southwest Univ, Key Lab Luminescence Anal & Mol Sensing, Sch Mat & Energy, Minist Educ, Chongqing 400715, Peoples R China 3.Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing 400714, Peoples R China 4.Harbin Engn Univ, Key Lab Fiber Integrated Opt, Minist Educ China, Harbin 150001, Peoples R China |
| 推荐引用方式 GB/T 7714 | Shi, Tianze,Kang, Shuai,Zhang, Kun,et al. High-performance lithium-ion batteries with gel polymer electrolyte based on ultra-thin PVDF film[J]. IONICS,2022:8. |
| APA | Shi, Tianze,Kang, Shuai,Zhang, Kun,Xue, Fengjuan,&Lu, Wenqiang.(2022).High-performance lithium-ion batteries with gel polymer electrolyte based on ultra-thin PVDF film.IONICS,8. |
| MLA | Shi, Tianze,et al."High-performance lithium-ion batteries with gel polymer electrolyte based on ultra-thin PVDF film".IONICS (2022):8. |
入库方式： OAI收割
来源：重庆绿色智能技术研究院
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