2020
DOI: 10.1016/j.cej.2020.124228
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High-stability monoclinic nickel hexacyanoferrate cathode materials for ultrafast aqueous sodium ion battery

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Cited by 94 publications
(56 citation statements)
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“…Moreover, up to 11 kg of sugar are required to obtain 1 kg of hard carbon ( Peters et al., 2019 ), where the energy-demanding (electricity and heat) carbonization process and the nitrogen required for maintaining an inert atmosphere during production contribute to environmental impacts. Additionally, cathode active materials for LIBs comprise cobalt and lithium (lithium cobalt oxide LiCoO 2 , lithium manganese oxide LiMn 2 O 4 , lithium iron phosphate LiFePO 4 ) ( Manthiram, 2020 ), while NIBs require nickel hexacyanoferrates (Ni 2 [Fe(CN) 6 ]) or sodium vanadium phosphates (Na 3 V 2 (PO 4 ) 3 ) ( Shen et al., 2020 ; Zhang et al., 2019 ). Contrarily, the use of heavy metals such as cobalt, manganese or nickel in Li–S batteries is not required, where cathodes use sulfur quantities as large as 70% by weight.…”
Section: Resultsmentioning
confidence: 99%
“…Moreover, up to 11 kg of sugar are required to obtain 1 kg of hard carbon ( Peters et al., 2019 ), where the energy-demanding (electricity and heat) carbonization process and the nitrogen required for maintaining an inert atmosphere during production contribute to environmental impacts. Additionally, cathode active materials for LIBs comprise cobalt and lithium (lithium cobalt oxide LiCoO 2 , lithium manganese oxide LiMn 2 O 4 , lithium iron phosphate LiFePO 4 ) ( Manthiram, 2020 ), while NIBs require nickel hexacyanoferrates (Ni 2 [Fe(CN) 6 ]) or sodium vanadium phosphates (Na 3 V 2 (PO 4 ) 3 ) ( Shen et al., 2020 ; Zhang et al., 2019 ). Contrarily, the use of heavy metals such as cobalt, manganese or nickel in Li–S batteries is not required, where cathodes use sulfur quantities as large as 70% by weight.…”
Section: Resultsmentioning
confidence: 99%
“…The medium peaks that represent C-H stretching at 2923 cm −1 and 2853 cm −1 can be found for the RDP-FC-Ni 16 . Interestingly, the strong sharp peak that represents the C≡N bond and indicates the presence of K 4 [Fe(CN) 6 ] modification, is also found for the RDP-FC-Ni as for the RDP-FC-Cu 34 , 54 . However, the peak is less sharp and strong as well as it can be seen at a slightly different wavelength of 2090 cm −1 .…”
Section: Resultsmentioning
confidence: 87%
“…This further confirms the chemical modification and change on the RDP. Furthermore, a strong sharp peak appeared for the RDP-FC-Cu at 2078 cm −1 which corresponds to the C≡N bond indicating the presence of K 4 [Fe(CN) 6 ] and the modification by the potassium hexacyanoferrate 54 . Another characteristic functional group is shown on the FTIR spectrum of the RDP-FC-Cu at 1107 cm −1 .…”
Section: Resultsmentioning
confidence: 99%
“…NiHCF thin films with thicknesses in the range of 200 to 250 nm were prepared using the sequential deposition or electrodeposition process [82][83][84] [86]. The monoclinic NiHCF (m-NiHCF) cathode delivered a high specific capacity of 70.1 mA h g À1 with 97.1% capacity retention after 8000 cycles (at 500 mA g À1 ) because m-NiHCF has higher Na content, fewer Fe(CN) 6 vacancies, and fewer coordination water than typical cubic NiHCF (c-NiHCF) due to the presence of a chelating agent and surfactant during co-precipitation (Fig.…”
Section: Metal Hexacyanometallates As Electrode Materials For Asibsmentioning
confidence: 99%