High Discharge Energy Density and Efficiency in Newly Designed PVDF@SiO2–PVDF Composites for Energy Capacitors

2020 ◽  
Vol 3 (9) ◽  
pp. 8937-8945 ◽  
Author(s):  
Seung-Hyun Kim ◽  
Hong Suk Kang ◽  
Eun-Ho Sohn ◽  
Bong-Jun Chang ◽  
In Jun Park ◽  
...  
Keyword(s):  
Energy Density ◽  
Discharge Energy ◽  
High Discharge ◽  
Discharge Energy Density

High-performance capacitors based on NaNbO3 nanowires/poly(vinylidene fluoride) nanocomposites

2018 ◽  
Vol 6 (30) ◽  
pp. 14614-14622 ◽  
Author(s):  
Zhongbin Pan ◽  
Lingmin Yao ◽  
Guanglong Ge ◽  
Bo Shen ◽  
Jiwei Zhai
Keyword(s):  
Energy Density ◽  
Power Density ◽  
High Performance ◽  
Vinylidene Fluoride ◽  
Nanocomposite Films ◽  
Discharge Energy ◽  
High Discharge ◽  
Fast Discharge ◽  
Poly Vinylidene Fluoride ◽  
Discharge Energy Density

Nanocomposite films loaded with small NaNbO3 nanowires exhibit a high discharge energy density of 12.26 J cm−3 at 410 MV m−1, superior power density of 2.01 MW cm−3, and ultra-fast discharge speed of 146 ns.

Simultaneously enhanced discharge energy density and efficiency in nanocomposite film capacitors utilizing two-dimensional NaNbO3@Al2O3 platelets

Nanoscale ◽  
2019 ◽  
Vol 11 (21) ◽  
pp. 10546-10554 ◽  
Author(s):  
Zhongbin Pan ◽  
Qiling Ding ◽  
Lingmin Yao ◽  
Shuangwu Huang ◽  
Shuang Xing ◽  
...  
Keyword(s):  
Energy Density ◽  
Nanocomposite Film ◽  
Nanocomposite Films ◽  
Two Dimensional ◽  
Discharge Energy ◽  
High Discharge ◽  
Discharge Efficiency ◽  
Discharge Energy Density

Nanocomposite films loaded with small 2D NaNbO3@Al2O3 platelets exhibit a high discharge energy density of 14.59 J cm−3 and simultaneously an outstanding discharge efficiency of 70.1%.

Superior discharge energy density and efficiency in polymer nanocomposites induced by linear dielectric core–shell nanofibers

2019 ◽  
Vol 7 (2) ◽  
pp. 405-413 ◽  
Author(s):  
Zhongbin Pan ◽  
Lingmin Yao ◽  
Jinjun Liu ◽  
Xiaoyan Liu ◽  
Feipeng Pi ◽  
...  
Keyword(s):  
Energy Density ◽  
Composite Film ◽  
Polymer Nanocomposites ◽  
Core Shell ◽  
Discharge Energy ◽  
High Discharge ◽  
Discharge Efficiency ◽  
Large Discharge ◽  
Discharge Energy Density

Novel SrTiO3@Al2O3/PVDF composite film capacitors have remarkably large discharge energy density (15.3 J cm−3) along with high discharge efficiency (68.52%) and ultrafast discharge speed (127 ns).

Achieving high discharge energy density and efficiency with NBT-based ceramics for application in capacitors

2019 ◽  
Vol 7 (14) ◽  
pp. 4072-4078 ◽  
Author(s):  
Zhongbin Pan ◽  
Di Hu ◽  
Yang Zhang ◽  
Jinjun Liu ◽  
Bo Shen ◽  
...  
Keyword(s):  
Energy Storage ◽  
Energy Density ◽  
High Efficiency ◽  
Energy Storage Density ◽  
Discharge Energy ◽  
Stored Energy ◽  
High Discharge ◽  
Storage Density ◽  
Recoverable Energy ◽  
Discharge Energy Density

The 0.94(BNT–BST)–0.06KNN ceramic possesses an excellent stored energy storage density (Ws = ∼3.13 J cm−3), a recoverable energy storage density (Wr = ∼2.65 J cm−3), and maintains a relatively high efficiency (η ∼ 84.6%).

Largely enhanced energy storage capability of a polymer nanocomposite utilizing a core-satellite strategy

Nanoscale ◽  
2018 ◽  
Vol 10 (35) ◽  
pp. 16621-16629 ◽  
Author(s):  
Zhongbin Pan ◽  
Mingkun Wang ◽  
Jianwen Chen ◽  
Bo Shen ◽  
Jinjun Liu ◽  
...  
Keyword(s):  
Energy Storage ◽  
Energy Density ◽  
Power Density ◽  
Polymer Nanocomposite ◽  
Nanocomposite Films ◽  
Discharge Energy ◽  
High Discharge ◽  
Fast Discharge ◽  
Discharge Efficiency ◽  
Discharge Energy Density

NN@PDA@Ag NWs/PVDF nanocomposite films exhibit an excellent discharge energy density of 16.04 J cm−3 at 485 MV m−1, high discharge efficiency of 62.8%, superior power density of 2.1 MW cm−3 and ultra-fast discharge speed of 153 ns.

Greatly enhanced discharge energy density and efficiency of novel relaxation ferroelectric BNT–BKT-based ceramics

2020 ◽  
Vol 8 (2) ◽  
pp. 591-601 ◽  
Author(s):  
Di Hu ◽  
Zhongbin Pan ◽  
Xiang Zhang ◽  
Haoran Ye ◽  
Zhouyang He ◽  
...  
Keyword(s):  
Energy Storage ◽  
Energy Density ◽  
High Efficiency ◽  
Energy Storage Density ◽  
Discharge Energy ◽  
Storage Density ◽  
Recoverable Energy ◽  
Discharge Energy Density

The 0.65(NBT-BKT)–0.35SBT ceramic possesses an ultra-high recoverable energy storage density (Wrec ∼ 4.06 J cm−3) and maintains a relatively high efficiency (η = ∼87.3%).

scholarly journals Enhanced energy density of PVDF-based nanocomposites via a core–shell strategy

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
JingJing Xu ◽  
Chao Fu ◽  
Huiying Chu ◽  
Xianyou Wu ◽  
Zhongyang Tan ◽  
...  
Keyword(s):  
Energy Storage ◽  
Energy Density ◽  
Vinylidene Fluoride ◽  
Breakdown Strength ◽  
Electric Displacement ◽  
High Energy ◽  
High Energy Density ◽  
Core Shell ◽  
Discharge Energy ◽  
Discharge Energy Density

Abstract In recent years, high energy density polymer capacitors have attracted a lot of scientific interest due to their potential applications in advanced power systems and electronic devices. Here, core–shell structured TiO2@SrTiO3@polydamine nanowires (TiO2@SrTiO3@PDA NWs) were synthesized via a combination of surface conversion reaction and in-situ polymerization method, and then incorporated into the poly(vinylidene fluoride) (PVDF) matrix. Our results showed that a small amount of TiO2@SrTiO3@PDA NWs can simultaneously enhance the breakdown strength and electric displacement of nanocomposite (NC) films, resulting in improved energy storage capability. The 5 wt% TiO2@SrTiO3@PDA NWs/PVDF NC demonstrates 1.72 times higher maximum discharge energy density compared to pristine PVDF (10.34 J/cm3 at 198 MV/m vs. 6.01 J/cm3 at 170 MV/m). In addition, the NC with 5 wt% TiO2@SrTiO3@PDA NWs also demonstrates an excellent charge–discharge efficiency (69% at 198 MV/m). Enhanced energy storage performance is due to hierarchical interfacial polarization among their multiple interfaces, the large aspect ratio as well as surface modification of the TiO2@SrTiO3 NWs. The results of this study provide guidelines and a foundation for the preparation of the polymer NCs with an outstanding discharge energy density.

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