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2019 in Journal of Power Sources [IF: 6.39]
Liping Wang30
Estimated H-index: 30
(University of Electronic Science and Technology of China),
Jingyi Yang2
Estimated H-index: 2
(University of Electronic Science and Technology of China),
Jie Li1
Estimated H-index: 1
(University of Electronic Science and Technology of China)
... more
Abstract The graphite as the potassium ion battery anode is studied in KPF 6 -EC/DMC and KPF 6 -DME electrolytes. It is found that the graphite demonstrates superior rate performance with a capacity of 87 mAh g −1 at a current rate of 10 C (corresponding to 2.8 A g −1 ) and excellent capacity retention ability of 84% after 3500 cycles in DME-based electrolyte. Moreover, its initial coulombic efficiency is 87.4%, higher than 69.6% in EC/DMC-based electrolyte. The K + solvating with DME complexes ...
Ref 36Cited 1 Source Cite this paper
2019 in Journal of Power Sources [IF: 6.39]
Hyunwoo Cho (Kumoh National Institute of Technology), Kyungsu Kim10
Estimated H-index: 10
,
Cheol-Min Park36
Estimated H-index: 36
(Kumoh National Institute of Technology)
... more
Abstract Engineering of a composite electrode containing Si-based anode materials is important for the practical applications of Si-based lithium-ion batteries. In this work, a hybrid composite anode of silicon/carbon/polymer was fabricated in situ by optimized heat treatment of the coating slurry containing silicon power and polyamic acid polymer, without adding any carbon agent. The resulting electrode has a three-component (silicon-carbon-polyamide) composite structure, wherein the nanohybrid...
Ref 10 Source Cite this paper
2019 in Journal of Power Sources [IF: 6.39]
Pengfei Liu (China University of Technology), Ruihua Lv9
Estimated H-index: 9
(China University of Technology),
Yan He1
Estimated H-index: 1
(China University of Technology)
... more
Abstract Energy storage devices are usually stacked from two electrodes and a sandwiched separator. The possible delamination of the stacked structure could deteriorate the electrochemical performance under deformed states. Here the cathode (polyaniline) and anode (metal Zn) are separately electrodeposited on a filter paper coated with current collectors to produce an integrated aqueous Zn-ion battery. High energy and power densities of 175.1 mWh/g@0.43 W/g and 12.1 W/g@90.1 mWh/g, together with...
Ref 27 Source Cite this paper
2019 in Journal of Power Sources [IF: 6.39]
Myeong-Seong Kim6
Estimated H-index: 6
(Yonsei University),
Ha-Kyung Roh2
Estimated H-index: 2
(Yonsei University),
Jun Hui Jeong6
Estimated H-index: 6
(Yonsei University)
... more
Abstract For the first time, we propose herein high-energy sodium hybrid capacitors comprising Na + intercalated Li 4 Ti 5 O 12 anode and activated carbon cathode. The design of sodium hybrid capacitors takes full advantage of Li 4 Ti 5 O 12 's lower working potential plateau for Na + intercalation than for Li + intercalation. The lower potential plateau facilitates not only wider cell voltage of sodium hybrid capacitors (3.4 V) compared to that of lithium hybrid capacitors (3.0 V), but also enh...
Ref 25
Source
Cite this paper
2019 in Journal of Power Sources [IF: 6.39]
Tae-Young Kim10
Estimated H-index: 10
(Gwangju Institute of Science and Technology),
Jeongjin Yeo2
Estimated H-index: 2
(Chonbuk National University),
Yoonseok Yang3
Estimated H-index: 3
(Chonbuk National University)
... more
Abstract Microbial fuel cells exhibit low output voltages, which must be enhanced for application in practical electronic devices. However, connecting microbial fuel cells in series for voltage boosting may cause voltage reversal, resulting in energy loss and biofilm damage. In this paper, different configurations for connecting microbial fuel cells and power-management systems are investigated to boost the voltage without reversal. The best configuration of the investigated method is as follows...
Ref 24 Source Cite this paper
2019 in Journal of Power Sources [IF: 6.39]
Emir Dogdibegovic (Lawrence Berkeley National Laboratory), Ruofan Wang (Lawrence Berkeley National Laboratory), Grace Y. Lau10
Estimated H-index: 10
(Lawrence Berkeley National Laboratory)
... more
Abstract High power density is required to commercialize solid oxide fuel cells for vehicular applications. In this work, high performance of metal supported solid oxide fuel cells (MS-SOFCs) is achieved via catalyst composition, electrode structure, and processing optimization. The full cell configuration consists of a dense ceramic electrolyte and porous ceramic backbones (electrodes) sandwiched between porous stainless steel metal supports. The conventional YSZ electrolyte and backbones are r...
Ref 39 Source Cite this paper
2019 in Journal of Power Sources [IF: 6.39]
Ting Hu12
Estimated H-index: 12
(Nanchang University),
Xiaolan Lv1
Estimated H-index: 1
(Nanchang University),
Xiaofang Cheng5
Estimated H-index: 5
(Nanchang University)
... more
Abstract Surface modification of zinc oxide (ZnO) plays a crucial role in enhancing the performance of organic photovoltaics (OPVs) due to its structure defect. Herein, methoxyphenylphosphonic acid (MPPA) modifier is introduced for interface engineering to improve the cell performance. The power conversion efficiency (PCE) of 11% has been achieved based on fullerene-free systems together with a breakthrough in current density. We obtain ZnO with reduced surface defect and lower work function aft...
Ref 49 Source Cite this paper
2019 in Journal of Power Sources [IF: 6.39]
Shaozhi Gui1
Estimated H-index: 1
(Shenzhen University),
Qianling Zhang25
Estimated H-index: 25
(Shenzhen University),
Haitao Zhuo8
Estimated H-index: 8
(Shenzhen University)
... more
Abstract In this paper, a simple one-step doping spray method using liquid polyacrylonitrile (LPAN) is reported, for the preparation of LiNi 0.8 Co 0.15 Al 0.05 O 2 (NCA) precursor, after calcination, to obtain a loose and porous sphere-shaped NCA (LPAN@NCA). The initial discharge specific capacity was found to be 227.9 mA h g −1 at 0.1C, which is 26.6% higher than that of the pristine sample. Its capacity retention rate was found to be 93.59% after 200 cycles, and the surface morphology of the ...
Ref 26Cited 1 Source Cite this paper
2019 in Journal of Power Sources [IF: 6.39]
Zejun Zhao (Central South University), Kai Yang1
Estimated H-index: 1
(Central South University),
Ke Peng (Central South University)... more
Abstract ZnO@Bi/C sphere with a distinctive core-shell construct is designed and fabricated by using solvothermal method, which is applied as a novel electrode material of Zn Ni battery for the first time. The analytical results manifest that the core of the ZnO@Bi/C sphere coated with carbon layer consists of a large number of ZnO nanoparticles (NPs), and in situ modified metal Bi is embedded in the amorphous carbon layer and ZnO NP core uniformly, thereby forming a unique core-shell construct....
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