Fabrication of high performance asymmetric supercapacitors with high energy and power density based on binary metal fluoride
Commercial tetragonal phase MnF2 is exploited as novel and alternative electrode material in asymmetric supercapacitors. Temperature dependent magnetic (M-T) curve evidences the antiferromagnetic transition (AFM) at Neel temperature (68.4 K). High specific capacitances of 406 F/g at 2 A/g and 80 F/g...
Ausführliche Beschreibung
Autor*in: |
Sivaprakash, P. [verfasserIn] Ashok Kumar, K. [verfasserIn] Subalakshmi, K. [verfasserIn] Bathula, Chinna [verfasserIn] Sandhu, Sanjay [verfasserIn] Arumugam, S. [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2020 |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: Materials letters - New York, NY [u.a.] : Elsevier, 1982, 275 |
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Übergeordnetes Werk: |
volume:275 |
DOI / URN: |
10.1016/j.matlet.2020.128146 |
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Katalog-ID: |
ELV004370880 |
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520 | |a Commercial tetragonal phase MnF2 is exploited as novel and alternative electrode material in asymmetric supercapacitors. Temperature dependent magnetic (M-T) curve evidences the antiferromagnetic transition (AFM) at Neel temperature (68.4 K). High specific capacitances of 406 F/g at 2 A/g and 80 F/g at 1 A/g are achieved in 3 and 2 electrode system, respectively. The asymmetric supercapacitor device retained 82% of its initial capacitance after 5000 cycles even at high window potential of 1.8 V which reveals excellent electrochemical stability. Ragone plot presents very high energy density (35.99 Wh/kg) with power density (822.75 W/Kg) at cell potential of 1.8 V. Electron transport dynamics in MnF2//AC asymmetric supercapacitor is also investigated by Nyquist plot of electrochemical impedance spectroscopy. These research findings demonstrate that MnF2 can serve as efficient electrode material for the electrochemical energy storage device applications. | ||
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700 | 1 | |a Ashok Kumar, K. |e verfasserin |4 aut | |
700 | 1 | |a Subalakshmi, K. |e verfasserin |4 aut | |
700 | 1 | |a Bathula, Chinna |e verfasserin |4 aut | |
700 | 1 | |a Sandhu, Sanjay |e verfasserin |4 aut | |
700 | 1 | |a Arumugam, S. |e verfasserin |4 aut | |
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10.1016/j.matlet.2020.128146 doi (DE-627)ELV004370880 (ELSEVIER)S0167-577X(20)30851-X DE-627 ger DE-627 rda eng 530 600 670 DE-600 51.00 bkl Sivaprakash, P. verfasserin aut Fabrication of high performance asymmetric supercapacitors with high energy and power density based on binary metal fluoride 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Commercial tetragonal phase MnF2 is exploited as novel and alternative electrode material in asymmetric supercapacitors. Temperature dependent magnetic (M-T) curve evidences the antiferromagnetic transition (AFM) at Neel temperature (68.4 K). High specific capacitances of 406 F/g at 2 A/g and 80 F/g at 1 A/g are achieved in 3 and 2 electrode system, respectively. The asymmetric supercapacitor device retained 82% of its initial capacitance after 5000 cycles even at high window potential of 1.8 V which reveals excellent electrochemical stability. Ragone plot presents very high energy density (35.99 Wh/kg) with power density (822.75 W/Kg) at cell potential of 1.8 V. Electron transport dynamics in MnF2//AC asymmetric supercapacitor is also investigated by Nyquist plot of electrochemical impedance spectroscopy. These research findings demonstrate that MnF2 can serve as efficient electrode material for the electrochemical energy storage device applications. MnF Cyclic voltammetry Electrochemical impedance spectroscopy Supercapacitors Electrochemical stability Ashok Kumar, K. verfasserin aut Subalakshmi, K. verfasserin aut Bathula, Chinna verfasserin aut Sandhu, Sanjay verfasserin aut Arumugam, S. verfasserin aut Enthalten in Materials letters New York, NY [u.a.] : Elsevier, 1982 275 Online-Ressource (DE-627)302719407 (DE-600)1491964-3 (DE-576)259483974 1873-4979 nnns volume:275 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.00 Werkstoffkunde: Allgemeines AR 275 |
spelling |
10.1016/j.matlet.2020.128146 doi (DE-627)ELV004370880 (ELSEVIER)S0167-577X(20)30851-X DE-627 ger DE-627 rda eng 530 600 670 DE-600 51.00 bkl Sivaprakash, P. verfasserin aut Fabrication of high performance asymmetric supercapacitors with high energy and power density based on binary metal fluoride 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Commercial tetragonal phase MnF2 is exploited as novel and alternative electrode material in asymmetric supercapacitors. Temperature dependent magnetic (M-T) curve evidences the antiferromagnetic transition (AFM) at Neel temperature (68.4 K). High specific capacitances of 406 F/g at 2 A/g and 80 F/g at 1 A/g are achieved in 3 and 2 electrode system, respectively. The asymmetric supercapacitor device retained 82% of its initial capacitance after 5000 cycles even at high window potential of 1.8 V which reveals excellent electrochemical stability. Ragone plot presents very high energy density (35.99 Wh/kg) with power density (822.75 W/Kg) at cell potential of 1.8 V. Electron transport dynamics in MnF2//AC asymmetric supercapacitor is also investigated by Nyquist plot of electrochemical impedance spectroscopy. These research findings demonstrate that MnF2 can serve as efficient electrode material for the electrochemical energy storage device applications. MnF Cyclic voltammetry Electrochemical impedance spectroscopy Supercapacitors Electrochemical stability Ashok Kumar, K. verfasserin aut Subalakshmi, K. verfasserin aut Bathula, Chinna verfasserin aut Sandhu, Sanjay verfasserin aut Arumugam, S. verfasserin aut Enthalten in Materials letters New York, NY [u.a.] : Elsevier, 1982 275 Online-Ressource (DE-627)302719407 (DE-600)1491964-3 (DE-576)259483974 1873-4979 nnns volume:275 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.00 Werkstoffkunde: Allgemeines AR 275 |
allfields_unstemmed |
10.1016/j.matlet.2020.128146 doi (DE-627)ELV004370880 (ELSEVIER)S0167-577X(20)30851-X DE-627 ger DE-627 rda eng 530 600 670 DE-600 51.00 bkl Sivaprakash, P. verfasserin aut Fabrication of high performance asymmetric supercapacitors with high energy and power density based on binary metal fluoride 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Commercial tetragonal phase MnF2 is exploited as novel and alternative electrode material in asymmetric supercapacitors. Temperature dependent magnetic (M-T) curve evidences the antiferromagnetic transition (AFM) at Neel temperature (68.4 K). High specific capacitances of 406 F/g at 2 A/g and 80 F/g at 1 A/g are achieved in 3 and 2 electrode system, respectively. The asymmetric supercapacitor device retained 82% of its initial capacitance after 5000 cycles even at high window potential of 1.8 V which reveals excellent electrochemical stability. Ragone plot presents very high energy density (35.99 Wh/kg) with power density (822.75 W/Kg) at cell potential of 1.8 V. Electron transport dynamics in MnF2//AC asymmetric supercapacitor is also investigated by Nyquist plot of electrochemical impedance spectroscopy. These research findings demonstrate that MnF2 can serve as efficient electrode material for the electrochemical energy storage device applications. MnF Cyclic voltammetry Electrochemical impedance spectroscopy Supercapacitors Electrochemical stability Ashok Kumar, K. verfasserin aut Subalakshmi, K. verfasserin aut Bathula, Chinna verfasserin aut Sandhu, Sanjay verfasserin aut Arumugam, S. verfasserin aut Enthalten in Materials letters New York, NY [u.a.] : Elsevier, 1982 275 Online-Ressource (DE-627)302719407 (DE-600)1491964-3 (DE-576)259483974 1873-4979 nnns volume:275 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.00 Werkstoffkunde: Allgemeines AR 275 |
allfieldsGer |
10.1016/j.matlet.2020.128146 doi (DE-627)ELV004370880 (ELSEVIER)S0167-577X(20)30851-X DE-627 ger DE-627 rda eng 530 600 670 DE-600 51.00 bkl Sivaprakash, P. verfasserin aut Fabrication of high performance asymmetric supercapacitors with high energy and power density based on binary metal fluoride 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Commercial tetragonal phase MnF2 is exploited as novel and alternative electrode material in asymmetric supercapacitors. Temperature dependent magnetic (M-T) curve evidences the antiferromagnetic transition (AFM) at Neel temperature (68.4 K). High specific capacitances of 406 F/g at 2 A/g and 80 F/g at 1 A/g are achieved in 3 and 2 electrode system, respectively. The asymmetric supercapacitor device retained 82% of its initial capacitance after 5000 cycles even at high window potential of 1.8 V which reveals excellent electrochemical stability. Ragone plot presents very high energy density (35.99 Wh/kg) with power density (822.75 W/Kg) at cell potential of 1.8 V. Electron transport dynamics in MnF2//AC asymmetric supercapacitor is also investigated by Nyquist plot of electrochemical impedance spectroscopy. These research findings demonstrate that MnF2 can serve as efficient electrode material for the electrochemical energy storage device applications. MnF Cyclic voltammetry Electrochemical impedance spectroscopy Supercapacitors Electrochemical stability Ashok Kumar, K. verfasserin aut Subalakshmi, K. verfasserin aut Bathula, Chinna verfasserin aut Sandhu, Sanjay verfasserin aut Arumugam, S. verfasserin aut Enthalten in Materials letters New York, NY [u.a.] : Elsevier, 1982 275 Online-Ressource (DE-627)302719407 (DE-600)1491964-3 (DE-576)259483974 1873-4979 nnns volume:275 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.00 Werkstoffkunde: Allgemeines AR 275 |
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10.1016/j.matlet.2020.128146 doi (DE-627)ELV004370880 (ELSEVIER)S0167-577X(20)30851-X DE-627 ger DE-627 rda eng 530 600 670 DE-600 51.00 bkl Sivaprakash, P. verfasserin aut Fabrication of high performance asymmetric supercapacitors with high energy and power density based on binary metal fluoride 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Commercial tetragonal phase MnF2 is exploited as novel and alternative electrode material in asymmetric supercapacitors. Temperature dependent magnetic (M-T) curve evidences the antiferromagnetic transition (AFM) at Neel temperature (68.4 K). High specific capacitances of 406 F/g at 2 A/g and 80 F/g at 1 A/g are achieved in 3 and 2 electrode system, respectively. The asymmetric supercapacitor device retained 82% of its initial capacitance after 5000 cycles even at high window potential of 1.8 V which reveals excellent electrochemical stability. Ragone plot presents very high energy density (35.99 Wh/kg) with power density (822.75 W/Kg) at cell potential of 1.8 V. Electron transport dynamics in MnF2//AC asymmetric supercapacitor is also investigated by Nyquist plot of electrochemical impedance spectroscopy. These research findings demonstrate that MnF2 can serve as efficient electrode material for the electrochemical energy storage device applications. MnF Cyclic voltammetry Electrochemical impedance spectroscopy Supercapacitors Electrochemical stability Ashok Kumar, K. verfasserin aut Subalakshmi, K. verfasserin aut Bathula, Chinna verfasserin aut Sandhu, Sanjay verfasserin aut Arumugam, S. verfasserin aut Enthalten in Materials letters New York, NY [u.a.] : Elsevier, 1982 275 Online-Ressource (DE-627)302719407 (DE-600)1491964-3 (DE-576)259483974 1873-4979 nnns volume:275 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.00 Werkstoffkunde: Allgemeines AR 275 |
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Fabrication of high performance asymmetric supercapacitors with high energy and power density based on binary metal fluoride |
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Fabrication of high performance asymmetric supercapacitors with high energy and power density based on binary metal fluoride |
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Sivaprakash, P. |
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Materials letters |
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Sivaprakash, P. Ashok Kumar, K. Subalakshmi, K. Bathula, Chinna Sandhu, Sanjay Arumugam, S. |
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Sivaprakash, P. |
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10.1016/j.matlet.2020.128146 |
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530 600 670 |
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title_sort |
fabrication of high performance asymmetric supercapacitors with high energy and power density based on binary metal fluoride |
title_auth |
Fabrication of high performance asymmetric supercapacitors with high energy and power density based on binary metal fluoride |
abstract |
Commercial tetragonal phase MnF2 is exploited as novel and alternative electrode material in asymmetric supercapacitors. Temperature dependent magnetic (M-T) curve evidences the antiferromagnetic transition (AFM) at Neel temperature (68.4 K). High specific capacitances of 406 F/g at 2 A/g and 80 F/g at 1 A/g are achieved in 3 and 2 electrode system, respectively. The asymmetric supercapacitor device retained 82% of its initial capacitance after 5000 cycles even at high window potential of 1.8 V which reveals excellent electrochemical stability. Ragone plot presents very high energy density (35.99 Wh/kg) with power density (822.75 W/Kg) at cell potential of 1.8 V. Electron transport dynamics in MnF2//AC asymmetric supercapacitor is also investigated by Nyquist plot of electrochemical impedance spectroscopy. These research findings demonstrate that MnF2 can serve as efficient electrode material for the electrochemical energy storage device applications. |
abstractGer |
Commercial tetragonal phase MnF2 is exploited as novel and alternative electrode material in asymmetric supercapacitors. Temperature dependent magnetic (M-T) curve evidences the antiferromagnetic transition (AFM) at Neel temperature (68.4 K). High specific capacitances of 406 F/g at 2 A/g and 80 F/g at 1 A/g are achieved in 3 and 2 electrode system, respectively. The asymmetric supercapacitor device retained 82% of its initial capacitance after 5000 cycles even at high window potential of 1.8 V which reveals excellent electrochemical stability. Ragone plot presents very high energy density (35.99 Wh/kg) with power density (822.75 W/Kg) at cell potential of 1.8 V. Electron transport dynamics in MnF2//AC asymmetric supercapacitor is also investigated by Nyquist plot of electrochemical impedance spectroscopy. These research findings demonstrate that MnF2 can serve as efficient electrode material for the electrochemical energy storage device applications. |
abstract_unstemmed |
Commercial tetragonal phase MnF2 is exploited as novel and alternative electrode material in asymmetric supercapacitors. Temperature dependent magnetic (M-T) curve evidences the antiferromagnetic transition (AFM) at Neel temperature (68.4 K). High specific capacitances of 406 F/g at 2 A/g and 80 F/g at 1 A/g are achieved in 3 and 2 electrode system, respectively. The asymmetric supercapacitor device retained 82% of its initial capacitance after 5000 cycles even at high window potential of 1.8 V which reveals excellent electrochemical stability. Ragone plot presents very high energy density (35.99 Wh/kg) with power density (822.75 W/Kg) at cell potential of 1.8 V. Electron transport dynamics in MnF2//AC asymmetric supercapacitor is also investigated by Nyquist plot of electrochemical impedance spectroscopy. These research findings demonstrate that MnF2 can serve as efficient electrode material for the electrochemical energy storage device applications. |
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title_short |
Fabrication of high performance asymmetric supercapacitors with high energy and power density based on binary metal fluoride |
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author2 |
Ashok Kumar, K. Subalakshmi, K. Bathula, Chinna Sandhu, Sanjay Arumugam, S. |
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up_date |
2024-07-06T22:45:49.916Z |
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