NIMTE OpenIR  > 2018专题
A large-size, bipolar-stacked and high-safety solid-state lithium battery with integrated electrolyte and cathode
Wei, Zhenyao; Chen, Shaojie; Wang, Junye; Wang, Zhihao; Zhang, Zhihua; Yao, Xiayin; Deng, Yonghong; Xu, Xiaoxiong
2018
发表期刊JOURNAL OF POWER SOURCES
卷号394页码:57-66
摘要A large-size, bipolar-stacked and high-safety solid-state lithium battery with integrated electrolyte and cathode is fabricated conveniently via solvent-free UV-cure. Firstly, a series of new solid polymer electrolytes are synthesized through UV-cure, and exhibit a maximum conductivity of 1.29 x 10(-4) S cm(-1) (60 degrees C), a wide electrochemical window (0-5.1 V) and excellent compatibility with Li. Secondly, solid-state LiFePO4/Li cell with integrated electrolyte and electrode is fabricated and delivers a high capacity of 113.3 mAh g(-1) after the 100th cycle, and the capacity retention is 90.2%. The outstanding cell performance is ascribed to the integrated electrolyte/cathode design which is beneficial for the interfacial impedance decreasing. Finally, a 5 cm x 8 cm size battery with integrated electrolyte/cathode is assembled conveniently, and it presents the 80.55% retention of discharge capacity at the 200th cycle and high-safety. It can be well work under the conditions of bending, cutting, on the fire and even after nail penetration. Remarkably, the bipolar-stacked battery is also fabricated, and the open circuit voltage is as high as 6.33 V. Consequently, this work develops a series of new solid polymer electrolytes and proposes an advanced cell construction design for solid-state lithium batteries which is very suitable for the large-scale preparation.
关键词Polymer Electrolytes Ion Batteries Molecular-weight Conductivity Enhancement Copolymer Electrolytes Rechargeable Batteries Temperature Membranes Metal Oxide
学科领域Computer Science ; Engineering ; Imaging Science & Photographic Technology ; Radiology, Nuclear Medicine & Medical Imaging
语种英语
文献类型期刊论文
条目标识符http://ir.nimte.ac.cn/handle/174433/17290
专题2018专题
推荐引用方式
GB/T 7714
Wei, Zhenyao,Chen, Shaojie,Wang, Junye,et al. A large-size, bipolar-stacked and high-safety solid-state lithium battery with integrated electrolyte and cathode[J]. JOURNAL OF POWER SOURCES,2018,394:57-66.
APA Wei, Zhenyao.,Chen, Shaojie.,Wang, Junye.,Wang, Zhihao.,Zhang, Zhihua.,...&Xu, Xiaoxiong.(2018).A large-size, bipolar-stacked and high-safety solid-state lithium battery with integrated electrolyte and cathode.JOURNAL OF POWER SOURCES,394,57-66.
MLA Wei, Zhenyao,et al."A large-size, bipolar-stacked and high-safety solid-state lithium battery with integrated electrolyte and cathode".JOURNAL OF POWER SOURCES 394(2018):57-66.
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