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Guotao Sun, Anders Thygesen and Anne S. Meyer
Implementation of microbial fuel cells (MFCs) for electricity production requires effective current generation from waste products via robust cathode reduction. Three cathode types using dissolved oxygen cathodes (DOCs), ferricyanide cathodes (FeCs) and ...
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Guotao Sun, Anders Thygesen and Anne S. Meyer
Implementation of microbial fuel cells (MFCs) for electricity production requires effective current generation from waste products via robust cathode reduction. Three cathode types using dissolved oxygen cathodes (DOCs), ferricyanide cathodes (FeCs) and ...
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Zikhona Nondudule, Jessica Chamier and Mahabubur Chowdhury
To decrease the cost of fuel cell manufacturing, the amount of platinum (Pt) in the catalyst layer needs to be reduced. In this study, ionomer gradient membrane electrode assemblies (MEAs) were designed to reduce Pt loading without sacrificing performanc...
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Anish Raj Kathribail, Arlavinda Rezqita, Daniel Lager, Raad Hamid, Yuri Surace, Maitane Berecibar, Joeri Van Mierlo, Annick Hubin, Marcus Jahn and Jürgen Kahr
Coating conducting polymers onto active cathode materials has been proven to mitigate issues at high current densities stemming from the limited conducting abilities of the metal-oxides. In the present study, a carbon coating was applied onto nickel-rich...
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Lukman Noerochim, Suwarno Suwarno, Nurul Hayati Idris and Hermawan K. Dipojono
The exponential growth in the production of electric vehicles requires an increasing supply of low-cost, high-performance lithium-ion batteries. The increased production of lithium-ion batteries raises concerns over the availability of raw materials, esp...
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Philipp Teichert, Gebrekidan Gebresilassie Eshetu, Hannes Jahnke and Egbert Figgemeier
Driven by the increasing plea for greener transportation and efficient integration of renewable energy sources, Ni-rich metal layered oxides, namely NMC, Li [Ni1-x-yCoyMnz] O2 (x + y = 0.4), and NCA, Li [Ni1-x-yCoxAly] O2, cathode materials have garnered...
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Gerard Lawler, Kunal Sanwalka, Yumeng Zhuang, Victor Yu, Timo Paschen, River Robles, Oliver Williams, Yusuke Sakai, Brian Naranjo and James Rosenzweig
Electron beams are essential tools in modern science. They are ubiquitous in fields ranging from microscopy to the creation of coherent ultra-fast X-rays to lithography. To keep pace with demand, electron beam brightness must be continually increased. On...
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Daisuke Fukuhara, Shinichi Namba, Ken Takiyama
Pág. 1 - 6
In a glow discharge, the sheath region that is formed around the cathode surface has a decisive effect on the generation of plasmas. In order to investigate the sheath structure in an atmospheric pressure plasma, we developed a microhollow cathode discha...
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Stuart Licht
A super-iron Li-ion cathode with a 3-fold higher reversible capacity (a storage capacity of 485 mAh/g) is presented. One of the principle constraints to vehicle electrification is that the Li-ion cathode battery chemistry is massive, and expensive. Demon...
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Junxian Shi, Wenyan Zhao, Chang Liu, Tao Jiang and Hongrui Ding
Here we reported the investigation of enhanced performance for the removal of hexavalent chromium (Cr (VI)) by a new microbial fuel cell (MFC) with natural pyrrhotite-coated cathode. By comparisons of the graphite-cathode, the MFCs equipped with a pyrrho...
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Yajun Huang, Xiaoxian Wang, Guomin Cui, Pingyang Wang and Dongsheng Cai
The C12A7 hollow cathode is expected to usher in a new generation of hollow cathodes because of its low work function and chemical stability. In order to reduce the emission melting and degradation caused by the overheating of this new cathode, different...
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Jinming Lu and Ewald A. Werner
The inverse or cathode shape design problem of electrochemical machining (ECM) deals with the computation of the shape of the tool cathode required for producing a workpiece anode of a desired shape. This work applied the complex variable method and the ...
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Liwei Zhao, Ayuko Kitajou and Shigeto Okada
Rutile FeOF was used as a conversion-type cathode material for Li-ion batteries. In the present study, 0.6Li, 1.4Li, and 2.7Li per mole lithiation reactions were carried out by changing the electrochemical discharge reaction depth. The thermal characteri...
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Liwei Zhao, Ayuko Kitajou and Shigeto Okada
Rutile FeOF was used as a conversion-type cathode material for Li-ion batteries. In the present study, 0.6Li, 1.4Li, and 2.7Li per mole lithiation reactions were carried out by changing the electrochemical discharge reaction depth. The thermal characteri...
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Hongming Yi, Ying Liang, Yunlong Qian, Yuchuan Feng, Zheng Li and Xue Zhang
Due to a high energy density and satisfactory longevity, lithium-ion batteries (LIBs) have been widely applied in the fields of consumer electronics and electric vehicles. Cathodes, an essential part of LIBs, greatly determine the energy density and tota...
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Jae Hong Choi, Sumyeong Choi, Tom James Embleton, Kyungmok Ko, Kashif Saleem Saqib, Mina Jo, Junhyeok Hwang, Sungwoo Park, Yoonkook Son and Pilgun Oh
All-solid-state lithium-ion batteries (ASSLBs) represent a promising breakthrough in battery technology owing to their high energy density and exceptional stability. When crafting cathode electrodes for ASSLBs, the solid electrolyte/cathode material inte...
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Gennady Pribytkov, Victoria Korzhova, Elena Korosteleva and Maksim Krinitcyn
Al-Cr and Al-Cr-Si composite cathodes were obtained by the hot compaction of aluminum, chromium, and silicon powder mixtures. The phase transformations in the surface layer of the Al-Cr-Si composite cathodes subjected to the arc heating were considered. ...
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Shuhao Wang, Zeng Lin, Hong Qiao, Dechun Ba and Lida Zhu
Cathode spot motion influences the physical characteristics of arc plasma and the related macroparticles (MPs) in resultant films; these MPs limit the application of arc ion plating (AIP). In this paper, a scanning radial magnetic field (SRMF) was applie...
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Doug Aaron, Costas Tsouris, Choo Y. Hamilton and Abhijeet P. Borole
Impedance changes of the anode, cathode and solution were examined for an air-cathode microbial fuel cell (MFC) under varying conditions. An MFC inoculated with a pre-enriched microbial culture resulted in a startup time of less than ten days. Over this ...
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Hoang Nghia Vu, Dinh Hoang Trinh, Dat Truong Le Tri and Sangseok Yu
Water management is an important criterion in the operation of proton-exchange membrane fuel cells to maintain the high performance and reliability of the system. The water content in the cathode air that is supplied to the cathode channel contributes to...
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