Industrial scale production of fibre batteries by a solution-extrusion method

被引:192
作者
Liao, Meng [1 ,2 ]
Wang, Chuang [1 ,2 ]
Hong, Yang [1 ,2 ]
Zhang, Yanfeng [1 ,2 ]
Cheng, Xunliang [1 ,2 ]
Sun, Hao [1 ,2 ]
Huang, Xinlin [1 ,2 ]
Ye, Lei [1 ,2 ]
Wu, Jingxia [1 ,2 ]
Shi, Xiang [1 ,2 ]
Kang, Xinyue [1 ,2 ]
Zhou, Xufeng [1 ,2 ]
Wang, Jiawei [1 ,2 ]
Li, Pengzhou [1 ,2 ]
Sun, Xuemei [1 ,2 ]
Chen, Peining [1 ,2 ]
Wang, Bingjie [1 ,2 ]
Wang, Yonggang [3 ,4 ]
Xia, Yongyao [3 ,4 ]
Cheng, Yanhua [5 ]
Peng, Huisheng [1 ,2 ]
机构
[1] Fudan Univ, Dept Macromol Sci, State Key Lab Mol Engn Polymers, Shanghai, Peoples R China
[2] Fudan Univ, Lab Adv Mat, Shanghai, Peoples R China
[3] Fudan Univ, Dept Chem, Shanghai, Peoples R China
[4] Fudan Univ, Shanghai Key Lab Mol Catalysis & Innovat Mat, Inst New Energy, iChEM Collaborat Innovat Ctr Chem Energy Mat, Shanghai, Peoples R China
[5] Donghua Univ, Coll Mat Sci & Engn, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai, Peoples R China
基金
中国国家自然科学基金;
关键词
ION; ELECTRONICS;
D O I
10.1038/s41565-021-01062-4
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Fibre batteries are of significant interest because they can be woven into flexible textiles to form compact, wearable and light-weight power solutions(1,2). However, current methods adapted from planar batteries through layer-by-layer coating processes can only make fibre batteries with low production rates, which fail to meet the requirements for real applications(2). Here, we present a new and general solution-extrusion method that can produce continuous fibre batteries in a single step at industrial scale. Our three-channel industrial spinneret simultaneously extrudes and combines electrodes and electrolyte of fibre battery at high production rates. The laminar flow between functional components guarantees their seamless interfaces during extrusion. Our method yields 1,500 km of continuous fibre batteries for every spinneret unit, that is, more than three orders of magnitude longer fibres than previously reported(1,2). Finally, we show a proof-of-principle for roughly 10 m(2) of woven textile for smart tent applications, with a battery with energy density of 550 mWh m(-2).
引用
收藏
页码:372 / +
页数:7
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