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Wyszukujesz frazę "Kim, Dae" wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Synthesis of the Nickel-Cobalt-Manganese Cathode Material Using Recycled Nickel as Precursors from Secondary Batteries
Autorzy:
Jung, Hang-Chul
Han, Deokhyun
Kim, Dae-Weon
Ahn, Byungmin
Powiązania:
https://bibliotekanauki.pl/articles/2049177.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
secondary battery
nickel
recycling
Taylor reaction
cathode materials
Opis:
As the amount of high-capacity secondary battery waste gradually increased, waste secondary batteries for industry (high-speed train & HEV) were recycled and materialization studies were carried out. The precipitation experiment was carried out with various conditions in the synthesis of LiNi0.6Co0.2Mn0.2O2 material using a Taylor reactor. The raw material used in this study was a leaching solution generated from waste nickel-based batteries. The nickel-cobalt-manganese (NCM) precursor was prepared by the Taylor reaction process. Material analysis indicated that spherical powder was formed, and the particle size of the precursor was decreased as the reaction speed was increased during the preparation of the NCM. The spherical NCM powder having a particle size of 10 μm was synthesized using reaction conditions, stirring speed of 1000 rpm for 24 hours. The NCM precursor prepared by the Taylor reaction was synthesized as a cathode material for the LIB, and then a coin-cell was manufactured to perform the capacity evaluation.
Źródło:
Archives of Metallurgy and Materials; 2021, 66, 4; 987-990
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Preparation of Nickel Nanoparticles Using Nickel Raffinate Separated by Solvent Extraction from The Spent FeCl3 Etching Solution
Autorzy:
Park, Il-Jeong
Swain, Basudev
Kim, Dae-Weon
Kim, Geon-Hong
Han, Deok-Hyun
Jung, Hang-Chul
Powiązania:
https://bibliotekanauki.pl/articles/354453.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
nickel
recycling
solvent extraction
chemical reduction
Opis:
FeCl3 bearing etching solution is mainly used for etching of metals used in shadow masks, PCBs and so on. Due course of Invar alloy etching process the FeCl3 bearing etching solution get contaminated with Ni2+ which affect adversely the etching efficiency. Hence, FeCl3 bearing etching solution discarded after several cycle of operation causes an environmental and economic problem. To address both the issues the etching solution was purified through solvent extraction and remained Ni2+ recovered by wet chemical reduction using hydrazine. For optimum Fe3+ extraction efficiency, various extraction parameter were optimized and size and morphology of the recovered pure Ni powder was analyzed. The reported process is a simple process to purify and recover Ni from industry etching solution.
Źródło:
Archives of Metallurgy and Materials; 2019, 64, 2; 531-534
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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