Yongde Ma
15 Papers
Yongde Ma is an academic researcher. The author has contributed to research in topics: Electrode & Chemistry. The author has an hindex of 1, co-authored 1 publications.
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Papers
MXene-MnO2-CoNi layered double hydroxides//activated carbon flexible asymmetric supercapacitor
TL;DR: In this article , an asymmetric supercapacitor is successfully fabricated by assembling CC/MMCoNi positive electrode with activated carbon (AC) negative electrode, which can provide 1.7 V voltage window and an energy density of 65 W h kg−1 at a power density of 1491 W kg −1.
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Fabrication of hollow Ni/NiO/C/MnO2@polypyrrole core-shell structures for high-performance electromagnetic wave absorption
Shixuan Feng,Haowen Wang,Jian Ma,Zhongtai Lin,Chuanjin Wang,Xue Li,Mingliang Ma,Tingxi Li,Yongde Ma +8 more
- 01 Feb 2024
TL;DR: Researchers fabricated Ni/NiO/C/MnO2@polypyrrole composites via hydrothermal and polymerization methods, achieving excellent electromagnetic wave absorption properties with a reflection loss of −56.23 dB and effective absorption bandwidth of 6.86 GHz.
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Hierarchical graphene oxide/manganese dioxide/cobalt-nickel layered double hydroxide electrodes for high energy density asymmetric flexible supercapacitor
Xue Li,Zhongtai Lin,Chunjin Wang,Haowen Wang,Shixuan Feng,Tingxi Li,Yongde Ma +6 more
TL;DR: High energy density asymmetric flexible supercapacitor based on hierarchical graphene oxide/manganese dioxide/cobalt-nickel layered double hydroxide electrodes.
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Fabrication of core–shell Fe3O4@polypyrrole@sodium dodecyl benzene sulfonate composite for high-performance adsorption of methylene blue and malachite green in water
Chuanjin Wang,Baozhong Zhang,Yu Zhang,Wenjia Li,Yongde Ma,Zhiqiang Sun,Tingxi Li +6 more
TL;DR: A novel Fe3O4@PPy@SDBS composite was synthesized for efficient removal of methylene blue and malachite green dyes from water, exhibiting high adsorption capacities (124.07 mg/g and 73.10 mg/g) and reusability, with removal efficiencies above 80% and 90% after five cycles.
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Fabrication of the hollow dodecahedral NiCoZn layered double hydroxide for high-performance flexible asymmetric supercapacitor
Changhong Xi,Xue Li,Chuanjin Wang,Haowen Wang,Tingxi Li,Yongde Ma +5 more
TL;DR: Researchers synthesize a hollow dodecahedral NiCoZn layered double hydroxide using metal-organic frameworks as a template, achieving a high specific capacitance of 1003.3F g−1 and excellent electrochemical performances in a flexible asymmetric supercapacitor.
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