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????????????????飺????????????笔痴顿贵????????????????
2020-03-31  ????????????

  ?????????????????????????????????????????PVDF????????????????????????????????????о???????????Enhanced dielectric properties and energy storage density of PVDF nanocomposites by co-loading of BaTiO3 and CoFe2O4 nanoparticles?????????Advanced Composites and Hybrid Materials???????????????????????????????????????????????????????????


&别尘蝉辫;&别尘蝉辫;????????????????????????????????????????????????????????????????á???ε?????????????????????????о???????????????????????????и??糣?????????????????????????????????????????????????????????????????????????????????????????????????????????????к?????糣??????????????????????о?????????????????????????????????笔痴顿贵?????︴???????????о???????????????????????????????????????о???


  ??????????????? BaTiO3??叠罢????????????渴?????? CoFe2O4??颁贵????????????γ???叠罢-颁贵??????-????????????????????????????笔痴顿贵?????????С???????漫???????????????????????????????????????????笔痴顿贵??????????糣???????????叠罢-颁贵/笔痴顿贵????????????????1????


?1 Process flow for fabrication of BT-CF/PVDF nanocomposite films


&别尘蝉辫;&别尘蝉辫;????????????叠罢????????????颁贵??????????γ?????-???????????????????????????叠罢-颁贵/笔痴顿贵????????????2??????叠罢-颁贵/笔痴顿贵??????????У?叠罢-颁贵?????????????笔痴顿贵?????????У??3???????У? BT??????100 ??????? CF?????30 ???????


?2  (a) TEM images of BT-CF nanocomposites. (b) SEM images of BT-CF nanocomposites. (c) Cross-sectional SEM images of the BT-0.07CF/PVDF film.  Size distributions of (d) CF and (e) BT Particles.


?3 EDS element mapping images of the BT-CF/PVDF nanocomposites with 7wt. % CF fillers.


&别尘蝉辫;&别尘蝉辫;叠罢-颁贵/笔痴顿贵????????????糣????颁贵????????????????????й?????????颁贵?????????????????????糣????????????????颁贵???????????????????????????4????叠罢-颁贵/笔痴顿贵?????????????糡?????????????????颁贵????????????????????叠罢-颁贵/笔痴顿贵????????Ч????糡?????????????????颁贵???????????????Ч????5????


?4 (a) Dielectric constant and (b) dielectric loss of the BT-CF/PVDF nanocomposite films with various CF mass fractions.


?5 (a) Discharged storage energy density and (b) efficiency under different external electric field for BT-CF/PVDF nanocomposite films with various CF mass fractions.


&别尘蝉辫;&别尘蝉辫;????????????????颁贵????????????????????????????????颁贵????????????????????????????????????????????糣???????叠罢??笔痴顿贵????颁贵??????????????????叠罢??笔痴顿贵????????????????????????????糣????????????????????????????????????6????

?6 Breakdown strength and discharged storage energy density of BT-CF/PVDF nanocomposite films with various CF mass fractions.


&别尘蝉辫;&别尘蝉辫;???????????叠罢-颁贵????-?????????????????颁贵?????????????????????????糣????????????????????颁贵?????????????????????????Ч????????????????????????颁贵??????????????????????????????о???????????????????????ù??????????????????????????????????????????·??


  ?????????https://doi.org/10.1007/s42114-020-00138-4


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  ???????????о??????????????????????????????о??????????Advanced Functional Materials??Nano Energy??Advanced Optical Materials??Photonics Research??Scripta Materialia??Applied Physics Letters?????????????


1. Jianchun Xu, Ke Bi*, Ru Zhang, Yanan Hao, Chuwen Lan, Klaus Mcdonald-Maier, Xiaojun Zhai, Zidong Zhang*, Shanguo Huang*, ??A Small-divergence-angle Orbital Angular Momentum Metasurface Antenna??, Research, 2019, 2019: 9686213.

2. Limin Guo, Caifu Zhong, Jinqing Cao, Yanan Hao, Ming Lei, Ke Bi*, Qijun Sun*, Zhonglin Wang*, ??Enhanced photocatalytic H2 evolution by plasmonic and piezotronic effects based on periodic Al/BaTiO3 heterostructures??, Nano Energy, 2019, 62: 513-520.

3. Chuwen Lan, He Ma, Manting Wang, Zehua Gao*, Kai Liu, Ke Bi*, Ji Zhou, and Xiangjun Xin*, ??Highly Efficient Active All-Dielectric Metasurfaces Based on Hybrid Structures Integrated with Phase-Change Materials: From Terahertz to Optical Ranges??, ACS Applied Materials & Interfaces, 2019, 11(15): 14229-14238.

4. Ke Bi, Daquan Yang, Jia Chen, Qingmin Wang, Hongya Wu, Chuwen Lan*, Yuping Yang, ??Experimental demonstration of ultra-large-scale terahertz all-dielectric metamaterials??, Photonics Research, 2019, 7(4): 457-463.

5. Limin Guo, Caifu Zhong, Li Shi, Licheng Ju, Xiaohui Wang, Daquan Yang, Ke Bi*, Yanan Hao*, Yang Yang*, ??Phase and Defect Engineering of MoS2 Stabilized in Periodic TiO2 Nanoporous Film for Enhanced Solar Water Splitting??, Advanced Optical Materials, 2019, 7(5): 1801403.

6. L. M. Guo, J. N. Deng, G. Z. Wang, Y. N. Hao, K. Bi*, X. H. Wang*, Y. Yang*, ??N, P-doped CoS2 Embedded in TiO2 Nanoporous Films for Zn-Air Batteries??, Advanced Functional Materials, 2018, 28(42): 1804540.

7. K. Bi, M. H. Bi, Y. N. Hao*, W. Luo, Z. M. Cai, X. H. Wang*, Y. H. Huang*, ??Ultrafine core-shell BaTiO3@SiO2 structures for nanocomposite capacitors with high energy density??, Nano Energy, 2018, 51: 513-523.

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