共查询到20条相似文献,搜索用时 12 毫秒
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Laser‐Assisted Large‐Scale Fabrication of All‐Solid‐State Asymmetrical Micro‐Supercapacitor Array
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Jian Gao Changxiang Shao Shengxian Shao Feng Wan Chang Gao Yang Zhao Lan Jiang Liangti Qu 《Small (Weinheim an der Bergstrasse, Germany)》2018,14(37)
The micro‐supercapacitors are of great value for portable, flexible, and integrated electronic equipments. Here, the large‐scale and integrated asymmetrical micro‐supercapacitor (AMSC) array is fabricated in virtue of the laser direct writing and electrodeposition technology. The AMSC shows the ideal flexibility, high areal specific capacitance (21.8 mF cm?2), and good rate capability. Moreover, its energy density reaches 12.16 µW h cm?2, outperforming most micro‐supercapacitors reported previously. Meanwhile, large‐scale series‐connected AMSCs are integrated on the flexible substrates (e.g., indium tin oxide‐polyethylene terephthalate film), which can power a veriety of the commercial electronics. The combination of AMSCs array, solar cell, and electronic device proves the feasibility for practical application in the portable, flexible, and integrated electronic equipments. 相似文献
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Caixia Zhou Taotao Gao Yujue Wang Qilin Liu Zhihan Huang Xiaoxia Liu Miaoqing Qing Dan Xiao 《Small (Weinheim an der Bergstrasse, Germany)》2019,15(1)
Fiber supercapacitors (FSCs) are promising energy storage devices in portable and wearable smart electronics. Currently, a major challenge for FSCs is simultaneously achieving high volumetric energy and power densities. Herein, the microscale fiber electrode is designed by using carbon fibers as substrates and capillary channels as microreactors to space‐confined hydrothermal assembling. As P‐doped graphene oxide/carbon fiber (PGO/CF) and NiCo2O4‐based graphene oxide/carbon fiber (NCGO/CF) electrodes are successfully prepared, their unique hybrid structures exhibit a satisfactory electrochemical performance. An all‐solid‐state PGO/CF//NCGO/CF flexible asymmetric fiber supercapacitor (AFSC) based on the PGO/CF as the negative electrode, NCGO/CF hybrid electrode as the positive electrode, and poly(vinyl alcohol)/potassium hydroxide as the electrolyte is successfully assembled. The AFSC device delivers a higher volumetric energy density of 36.77 mW h cm?3 at a power density of 142.5 mW cm?3. In addition, a double reference electrode system is adopted to analyze and reduce the IR drop, as well as effectively matching negative and positive electrodes, which is conducive for the optimization and improvement of energy density. For the AFSC device, its better flexibility and electrochemical properties create a promising potential for high‐performance micro‐supercapacitors. Furthermore, the introduction of the double reference electrode system provides an interesting method for the study on the electrochemical performances of two‐electrode systems. 相似文献
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Supercapacitors: 3D Porous Nanoarchitectures Derived from SnS/S‐Doped Graphene Hybrid Nanosheets for Flexible All‐Solid‐State Supercapacitors (Small 12/2017)
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Chunyan Liu Shulin Zhao Yanan Lu Yingxue Chang Dongdong Xu Qi Wang Zhihui Dai Jianchun Bao Min Han 《Small (Weinheim an der Bergstrasse, Germany)》2017,13(12)
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Supercapacitors: Stacked‐Layer Heterostructure Films of 2D Thiophene Nanosheets and Graphene for High‐Rate All‐Solid‐State Pseudocapacitors with Enhanced Volumetric Capacitance (Adv. Mater. 3/2017)
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Zhong‐Shuai Wu Yijun Zheng Shuanghao Zheng Sen Wang Chenglin Sun Khaled Parvez Taichi Ikeda Xinhe Bao Klaus Müllen Xinliang Feng 《Advanced materials (Deerfield Beach, Fla.)》2017,29(3)
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Laser‐Assisted Doping: Site Selective Doping of Ultrathin Metal Dichalcogenides by Laser‐Assisted Reaction (Adv. Mater. 2/2016)
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Eunpa Kim Changhyun Ko Kyunghoon Kim Yabin Chen Joonki Suh Sang‐Gil Ryu Kedi Wu Xiuqing Meng Aslihan Suslu Sefaattin Tongay Junqiao Wu Costas P. Grigoropoulos 《Advanced materials (Deerfield Beach, Fla.)》2016,28(2):392-392
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Microdevices: Carbon‐MEMS‐Based Alternating Stacked MoS2@rGO‐CNT Micro‐Supercapacitor with High Capacitance and Energy Density (Small 26/2017)
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Wei Yang Liang He Xiaocong Tian Mengyu Yan Hui Yuan Xiaobin Liao Jiashen Meng Zhimeng Hao Liqiang Mai 《Small (Weinheim an der Bergstrasse, Germany)》2017,13(26)
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