Tuning carbon nanotube-grafted core-shell-structured cobalt selenidecarbon hybrids for efficient oxygen evolution reaction

The electrochemical oxygen evolution reaction (OER) is sparked extensive interest in efficient energy storage and conversion. Cobalt Selenide (CoSe2) is believed to be one of the promising candidates for OER based on Yang Shao-Horn's principle. However, owing to low exposure of active sites and...
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Autor*in:	Yuan, Menglei [verfasserIn] Wang, Meng [verfasserIn] Lu, Peilong [verfasserIn] Sun, Yu [verfasserIn] Dipazir, Sobia [verfasserIn] Zhang, Jingxian [verfasserIn] Li, Shuwei [verfasserIn] Zhang, Guangjin [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2018

Schlagwörter:	CoSe Zeolite imidazole frameworks Oxygen evolution reaction Alkaline medium

Übergeordnetes Werk:	Enthalten in: Journal of colloid and interface science - Amsterdam [u.a.] : Elsevier, 1966, 533, Seite 503-512
Übergeordnetes Werk:	volume:533 ; pages:503-512

DOI / URN:	10.1016/j.jcis.2018.08.104

Katalog-ID:	ELV000849928

Internformat


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245	1	7	\|a Tuning carbon nanotube-grafted core-shell-structured cobalt selenidecarbon hybrids for efficient oxygen evolution reaction
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520			\|a The electrochemical oxygen evolution reaction (OER) is sparked extensive interest in efficient energy storage and conversion. Cobalt Selenide (CoSe2) is believed to be one of the promising candidates for OER based on Yang Shao-Horn's principle. However, owing to low exposure of active sites and/or low efficiency of electron transfer, the electrocatalytic activity of CoSe2 is far less than expected. In this work, a novel carbon nanotubes (CNT) grafted 3D core-shell structured CoSe2C-CNT nanohybrid is developed by a general hydrothermal-calcination strategy. Zeolite imidazole frameworks (ZIF) was used as the precursor to synthesis of the materials. It is found that both the calcination temperature and the selenium content can significantly regulate the catalytic performance of the hybrids. The obtained best catalysts requires the overpotential of only 306 mV and 345 mV to reach a current density of 10 mA cm−2 and 50 mA cm−2 in 1.0 MKOH medium, respectively. It also exhibits a small Tafel slope of 46 mV dec−1 and excellent durability, which is superior to most of recently reported CoSe2-based and Co-based materials. These superior performances can be ascribed to synergistic effects of the highly active CoSe2 nanostructure, defect carbon species and the carbon nanotubes exist in the catalyst. Besides, the unique morphology leads to large electrochemical surface area of the catalyst, which is in favor of the exposure of active sites for OER. Due to high efficiency, low cost and excellent durability for OER, the prepared catalysts showed can be potentially used to substitute noble metals utilized in related energy storage and conversion devices.
650		4	\|a CoSe
650		4	\|a Zeolite imidazole frameworks
650		4	\|a Oxygen evolution reaction
650		4	\|a Alkaline medium
700	1		\|a Wang, Meng \|e verfasserin \|4 aut
700	1		\|a Lu, Peilong \|e verfasserin \|4 aut
700	1		\|a Sun, Yu \|e verfasserin \|4 aut
700	1		\|a Dipazir, Sobia \|e verfasserin \|4 aut
700	1		\|a Zhang, Jingxian \|e verfasserin \|4 aut
700	1		\|a Li, Shuwei \|e verfasserin \|4 aut
700	1		\|a Zhang, Guangjin \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t Journal of colloid and interface science \|d Amsterdam [u.a.] : Elsevier, 1966 \|g 533, Seite 503-512 \|h Online-Ressource \|w (DE-627)266891136 \|w (DE-600)1469021-4 \|w (DE-576)103373160 \|x 1095-7103 \|7 nnns
773	1	8	\|g volume:533 \|g pages:503-512
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936	b	k	\|a 35.18 \|j Kolloidchemie \|j Grenzflächenchemie
951			\|a AR
952			\|d 533 \|h 503-512

Indexfelder

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publishDate	2018
allfields	10.1016/j.jcis.2018.08.104 doi (DE-627)ELV000849928 (ELSEVIER)S0021-9797(18)31030-0 DE-627 ger DE-627 rda eng 540 DE-600 35.18 bkl Yuan, Menglei verfasserin aut Tuning carbon nanotube-grafted core-shell-structured cobalt selenidecarbon hybrids for efficient oxygen evolution reaction 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The electrochemical oxygen evolution reaction (OER) is sparked extensive interest in efficient energy storage and conversion. Cobalt Selenide (CoSe2) is believed to be one of the promising candidates for OER based on Yang Shao-Horn's principle. However, owing to low exposure of active sites and/or low efficiency of electron transfer, the electrocatalytic activity of CoSe2 is far less than expected. In this work, a novel carbon nanotubes (CNT) grafted 3D core-shell structured CoSe2C-CNT nanohybrid is developed by a general hydrothermal-calcination strategy. Zeolite imidazole frameworks (ZIF) was used as the precursor to synthesis of the materials. It is found that both the calcination temperature and the selenium content can significantly regulate the catalytic performance of the hybrids. The obtained best catalysts requires the overpotential of only 306 mV and 345 mV to reach a current density of 10 mA cm−2 and 50 mA cm−2 in 1.0 MKOH medium, respectively. It also exhibits a small Tafel slope of 46 mV dec−1 and excellent durability, which is superior to most of recently reported CoSe2-based and Co-based materials. These superior performances can be ascribed to synergistic effects of the highly active CoSe2 nanostructure, defect carbon species and the carbon nanotubes exist in the catalyst. Besides, the unique morphology leads to large electrochemical surface area of the catalyst, which is in favor of the exposure of active sites for OER. Due to high efficiency, low cost and excellent durability for OER, the prepared catalysts showed can be potentially used to substitute noble metals utilized in related energy storage and conversion devices. CoSe Zeolite imidazole frameworks Oxygen evolution reaction Alkaline medium Wang, Meng verfasserin aut Lu, Peilong verfasserin aut Sun, Yu verfasserin aut Dipazir, Sobia verfasserin aut Zhang, Jingxian verfasserin aut Li, Shuwei verfasserin aut Zhang, Guangjin verfasserin aut Enthalten in Journal of colloid and interface science Amsterdam [u.a.] : Elsevier, 1966 533, Seite 503-512 Online-Ressource (DE-627)266891136 (DE-600)1469021-4 (DE-576)103373160 1095-7103 nnns volume:533 pages:503-512 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_2010 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_2088 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_2411 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 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 35.18 Kolloidchemie Grenzflächenchemie AR 533 503-512
spelling	10.1016/j.jcis.2018.08.104 doi (DE-627)ELV000849928 (ELSEVIER)S0021-9797(18)31030-0 DE-627 ger DE-627 rda eng 540 DE-600 35.18 bkl Yuan, Menglei verfasserin aut Tuning carbon nanotube-grafted core-shell-structured cobalt selenidecarbon hybrids for efficient oxygen evolution reaction 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The electrochemical oxygen evolution reaction (OER) is sparked extensive interest in efficient energy storage and conversion. Cobalt Selenide (CoSe2) is believed to be one of the promising candidates for OER based on Yang Shao-Horn's principle. However, owing to low exposure of active sites and/or low efficiency of electron transfer, the electrocatalytic activity of CoSe2 is far less than expected. In this work, a novel carbon nanotubes (CNT) grafted 3D core-shell structured CoSe2C-CNT nanohybrid is developed by a general hydrothermal-calcination strategy. Zeolite imidazole frameworks (ZIF) was used as the precursor to synthesis of the materials. It is found that both the calcination temperature and the selenium content can significantly regulate the catalytic performance of the hybrids. The obtained best catalysts requires the overpotential of only 306 mV and 345 mV to reach a current density of 10 mA cm−2 and 50 mA cm−2 in 1.0 MKOH medium, respectively. It also exhibits a small Tafel slope of 46 mV dec−1 and excellent durability, which is superior to most of recently reported CoSe2-based and Co-based materials. These superior performances can be ascribed to synergistic effects of the highly active CoSe2 nanostructure, defect carbon species and the carbon nanotubes exist in the catalyst. Besides, the unique morphology leads to large electrochemical surface area of the catalyst, which is in favor of the exposure of active sites for OER. Due to high efficiency, low cost and excellent durability for OER, the prepared catalysts showed can be potentially used to substitute noble metals utilized in related energy storage and conversion devices. CoSe Zeolite imidazole frameworks Oxygen evolution reaction Alkaline medium Wang, Meng verfasserin aut Lu, Peilong verfasserin aut Sun, Yu verfasserin aut Dipazir, Sobia verfasserin aut Zhang, Jingxian verfasserin aut Li, Shuwei verfasserin aut Zhang, Guangjin verfasserin aut Enthalten in Journal of colloid and interface science Amsterdam [u.a.] : Elsevier, 1966 533, Seite 503-512 Online-Ressource (DE-627)266891136 (DE-600)1469021-4 (DE-576)103373160 1095-7103 nnns volume:533 pages:503-512 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_2010 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_2088 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_2411 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 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 35.18 Kolloidchemie Grenzflächenchemie AR 533 503-512
allfields_unstemmed	10.1016/j.jcis.2018.08.104 doi (DE-627)ELV000849928 (ELSEVIER)S0021-9797(18)31030-0 DE-627 ger DE-627 rda eng 540 DE-600 35.18 bkl Yuan, Menglei verfasserin aut Tuning carbon nanotube-grafted core-shell-structured cobalt selenidecarbon hybrids for efficient oxygen evolution reaction 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The electrochemical oxygen evolution reaction (OER) is sparked extensive interest in efficient energy storage and conversion. Cobalt Selenide (CoSe2) is believed to be one of the promising candidates for OER based on Yang Shao-Horn's principle. However, owing to low exposure of active sites and/or low efficiency of electron transfer, the electrocatalytic activity of CoSe2 is far less than expected. In this work, a novel carbon nanotubes (CNT) grafted 3D core-shell structured CoSe2C-CNT nanohybrid is developed by a general hydrothermal-calcination strategy. Zeolite imidazole frameworks (ZIF) was used as the precursor to synthesis of the materials. It is found that both the calcination temperature and the selenium content can significantly regulate the catalytic performance of the hybrids. The obtained best catalysts requires the overpotential of only 306 mV and 345 mV to reach a current density of 10 mA cm−2 and 50 mA cm−2 in 1.0 MKOH medium, respectively. It also exhibits a small Tafel slope of 46 mV dec−1 and excellent durability, which is superior to most of recently reported CoSe2-based and Co-based materials. These superior performances can be ascribed to synergistic effects of the highly active CoSe2 nanostructure, defect carbon species and the carbon nanotubes exist in the catalyst. Besides, the unique morphology leads to large electrochemical surface area of the catalyst, which is in favor of the exposure of active sites for OER. Due to high efficiency, low cost and excellent durability for OER, the prepared catalysts showed can be potentially used to substitute noble metals utilized in related energy storage and conversion devices. CoSe Zeolite imidazole frameworks Oxygen evolution reaction Alkaline medium Wang, Meng verfasserin aut Lu, Peilong verfasserin aut Sun, Yu verfasserin aut Dipazir, Sobia verfasserin aut Zhang, Jingxian verfasserin aut Li, Shuwei verfasserin aut Zhang, Guangjin verfasserin aut Enthalten in Journal of colloid and interface science Amsterdam [u.a.] : Elsevier, 1966 533, Seite 503-512 Online-Ressource (DE-627)266891136 (DE-600)1469021-4 (DE-576)103373160 1095-7103 nnns volume:533 pages:503-512 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_2010 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_2088 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_2411 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 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 35.18 Kolloidchemie Grenzflächenchemie AR 533 503-512
allfieldsGer	10.1016/j.jcis.2018.08.104 doi (DE-627)ELV000849928 (ELSEVIER)S0021-9797(18)31030-0 DE-627 ger DE-627 rda eng 540 DE-600 35.18 bkl Yuan, Menglei verfasserin aut Tuning carbon nanotube-grafted core-shell-structured cobalt selenidecarbon hybrids for efficient oxygen evolution reaction 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The electrochemical oxygen evolution reaction (OER) is sparked extensive interest in efficient energy storage and conversion. Cobalt Selenide (CoSe2) is believed to be one of the promising candidates for OER based on Yang Shao-Horn's principle. However, owing to low exposure of active sites and/or low efficiency of electron transfer, the electrocatalytic activity of CoSe2 is far less than expected. In this work, a novel carbon nanotubes (CNT) grafted 3D core-shell structured CoSe2C-CNT nanohybrid is developed by a general hydrothermal-calcination strategy. Zeolite imidazole frameworks (ZIF) was used as the precursor to synthesis of the materials. It is found that both the calcination temperature and the selenium content can significantly regulate the catalytic performance of the hybrids. The obtained best catalysts requires the overpotential of only 306 mV and 345 mV to reach a current density of 10 mA cm−2 and 50 mA cm−2 in 1.0 MKOH medium, respectively. It also exhibits a small Tafel slope of 46 mV dec−1 and excellent durability, which is superior to most of recently reported CoSe2-based and Co-based materials. These superior performances can be ascribed to synergistic effects of the highly active CoSe2 nanostructure, defect carbon species and the carbon nanotubes exist in the catalyst. Besides, the unique morphology leads to large electrochemical surface area of the catalyst, which is in favor of the exposure of active sites for OER. Due to high efficiency, low cost and excellent durability for OER, the prepared catalysts showed can be potentially used to substitute noble metals utilized in related energy storage and conversion devices. CoSe Zeolite imidazole frameworks Oxygen evolution reaction Alkaline medium Wang, Meng verfasserin aut Lu, Peilong verfasserin aut Sun, Yu verfasserin aut Dipazir, Sobia verfasserin aut Zhang, Jingxian verfasserin aut Li, Shuwei verfasserin aut Zhang, Guangjin verfasserin aut Enthalten in Journal of colloid and interface science Amsterdam [u.a.] : Elsevier, 1966 533, Seite 503-512 Online-Ressource (DE-627)266891136 (DE-600)1469021-4 (DE-576)103373160 1095-7103 nnns volume:533 pages:503-512 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_2010 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_2088 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_2411 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 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 35.18 Kolloidchemie Grenzflächenchemie AR 533 503-512
allfieldsSound	10.1016/j.jcis.2018.08.104 doi (DE-627)ELV000849928 (ELSEVIER)S0021-9797(18)31030-0 DE-627 ger DE-627 rda eng 540 DE-600 35.18 bkl Yuan, Menglei verfasserin aut Tuning carbon nanotube-grafted core-shell-structured cobalt selenidecarbon hybrids for efficient oxygen evolution reaction 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The electrochemical oxygen evolution reaction (OER) is sparked extensive interest in efficient energy storage and conversion. Cobalt Selenide (CoSe2) is believed to be one of the promising candidates for OER based on Yang Shao-Horn's principle. However, owing to low exposure of active sites and/or low efficiency of electron transfer, the electrocatalytic activity of CoSe2 is far less than expected. In this work, a novel carbon nanotubes (CNT) grafted 3D core-shell structured CoSe2C-CNT nanohybrid is developed by a general hydrothermal-calcination strategy. Zeolite imidazole frameworks (ZIF) was used as the precursor to synthesis of the materials. It is found that both the calcination temperature and the selenium content can significantly regulate the catalytic performance of the hybrids. The obtained best catalysts requires the overpotential of only 306 mV and 345 mV to reach a current density of 10 mA cm−2 and 50 mA cm−2 in 1.0 MKOH medium, respectively. It also exhibits a small Tafel slope of 46 mV dec−1 and excellent durability, which is superior to most of recently reported CoSe2-based and Co-based materials. These superior performances can be ascribed to synergistic effects of the highly active CoSe2 nanostructure, defect carbon species and the carbon nanotubes exist in the catalyst. Besides, the unique morphology leads to large electrochemical surface area of the catalyst, which is in favor of the exposure of active sites for OER. Due to high efficiency, low cost and excellent durability for OER, the prepared catalysts showed can be potentially used to substitute noble metals utilized in related energy storage and conversion devices. CoSe Zeolite imidazole frameworks Oxygen evolution reaction Alkaline medium Wang, Meng verfasserin aut Lu, Peilong verfasserin aut Sun, Yu verfasserin aut Dipazir, Sobia verfasserin aut Zhang, Jingxian verfasserin aut Li, Shuwei verfasserin aut Zhang, Guangjin verfasserin aut Enthalten in Journal of colloid and interface science Amsterdam [u.a.] : Elsevier, 1966 533, Seite 503-512 Online-Ressource (DE-627)266891136 (DE-600)1469021-4 (DE-576)103373160 1095-7103 nnns volume:533 pages:503-512 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_2010 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_2088 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_2411 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 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 35.18 Kolloidchemie Grenzflächenchemie AR 533 503-512
language	English
source	Enthalten in Journal of colloid and interface science 533, Seite 503-512 volume:533 pages:503-512
sourceStr	Enthalten in Journal of colloid and interface science 533, Seite 503-512 volume:533 pages:503-512
format_phy_str_mv	Article
bklname	Kolloidchemie Grenzflächenchemie
institution	findex.gbv.de
topic_facet	CoSe Zeolite imidazole frameworks Oxygen evolution reaction Alkaline medium
dewey-raw	540
isfreeaccess_bool	false
container_title	Journal of colloid and interface science
authorswithroles_txt_mv	Yuan, Menglei @@aut@@ Wang, Meng @@aut@@ Lu, Peilong @@aut@@ Sun, Yu @@aut@@ Dipazir, Sobia @@aut@@ Zhang, Jingxian @@aut@@ Li, Shuwei @@aut@@ Zhang, Guangjin @@aut@@
publishDateDaySort_date	2018-01-01T00:00:00Z
hierarchy_top_id	266891136
dewey-sort	3540
id	ELV000849928
language_de	englisch
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Cobalt Selenide (CoSe2) is believed to be one of the promising candidates for OER based on Yang Shao-Horn's principle. However, owing to low exposure of active sites and/or low efficiency of electron transfer, the electrocatalytic activity of CoSe2 is far less than expected. In this work, a novel carbon nanotubes (CNT) grafted 3D core-shell structured CoSe2C-CNT nanohybrid is developed by a general hydrothermal-calcination strategy. Zeolite imidazole frameworks (ZIF) was used as the precursor to synthesis of the materials. It is found that both the calcination temperature and the selenium content can significantly regulate the catalytic performance of the hybrids. The obtained best catalysts requires the overpotential of only 306 mV and 345 mV to reach a current density of 10 mA cm−2 and 50 mA cm−2 in 1.0 MKOH medium, respectively. It also exhibits a small Tafel slope of 46 mV dec−1 and excellent durability, which is superior to most of recently reported CoSe2-based and Co-based materials. These superior performances can be ascribed to synergistic effects of the highly active CoSe2 nanostructure, defect carbon species and the carbon nanotubes exist in the catalyst. Besides, the unique morphology leads to large electrochemical surface area of the catalyst, which is in favor of the exposure of active sites for OER. 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author	Yuan, Menglei
spellingShingle	Yuan, Menglei ddc 540 bkl 35.18 misc CoSe misc Zeolite imidazole frameworks misc Oxygen evolution reaction misc Alkaline medium Tuning carbon nanotube-grafted core-shell-structured cobalt selenidecarbon hybrids for efficient oxygen evolution reaction
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topic_title	540 DE-600 35.18 bkl Tuning carbon nanotube-grafted core-shell-structured cobalt selenidecarbon hybrids for efficient oxygen evolution reaction CoSe Zeolite imidazole frameworks Oxygen evolution reaction Alkaline medium
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title	Tuning carbon nanotube-grafted core-shell-structured cobalt selenidecarbon hybrids for efficient oxygen evolution reaction
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title_full	Tuning carbon nanotube-grafted core-shell-structured cobalt selenidecarbon hybrids for efficient oxygen evolution reaction
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author_browse	Yuan, Menglei Wang, Meng Lu, Peilong Sun, Yu Dipazir, Sobia Zhang, Jingxian Li, Shuwei Zhang, Guangjin
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title_sort	carbon nanotube-grafted core-shell-structured cobalt selenidecarbon hybrids for efficient oxygen evolution reaction
title_auth	Tuning carbon nanotube-grafted core-shell-structured cobalt selenidecarbon hybrids for efficient oxygen evolution reaction
abstract	The electrochemical oxygen evolution reaction (OER) is sparked extensive interest in efficient energy storage and conversion. Cobalt Selenide (CoSe2) is believed to be one of the promising candidates for OER based on Yang Shao-Horn's principle. However, owing to low exposure of active sites and/or low efficiency of electron transfer, the electrocatalytic activity of CoSe2 is far less than expected. In this work, a novel carbon nanotubes (CNT) grafted 3D core-shell structured CoSe2C-CNT nanohybrid is developed by a general hydrothermal-calcination strategy. Zeolite imidazole frameworks (ZIF) was used as the precursor to synthesis of the materials. It is found that both the calcination temperature and the selenium content can significantly regulate the catalytic performance of the hybrids. The obtained best catalysts requires the overpotential of only 306 mV and 345 mV to reach a current density of 10 mA cm−2 and 50 mA cm−2 in 1.0 MKOH medium, respectively. It also exhibits a small Tafel slope of 46 mV dec−1 and excellent durability, which is superior to most of recently reported CoSe2-based and Co-based materials. These superior performances can be ascribed to synergistic effects of the highly active CoSe2 nanostructure, defect carbon species and the carbon nanotubes exist in the catalyst. Besides, the unique morphology leads to large electrochemical surface area of the catalyst, which is in favor of the exposure of active sites for OER. Due to high efficiency, low cost and excellent durability for OER, the prepared catalysts showed can be potentially used to substitute noble metals utilized in related energy storage and conversion devices.
abstractGer	The electrochemical oxygen evolution reaction (OER) is sparked extensive interest in efficient energy storage and conversion. Cobalt Selenide (CoSe2) is believed to be one of the promising candidates for OER based on Yang Shao-Horn's principle. However, owing to low exposure of active sites and/or low efficiency of electron transfer, the electrocatalytic activity of CoSe2 is far less than expected. In this work, a novel carbon nanotubes (CNT) grafted 3D core-shell structured CoSe2C-CNT nanohybrid is developed by a general hydrothermal-calcination strategy. Zeolite imidazole frameworks (ZIF) was used as the precursor to synthesis of the materials. It is found that both the calcination temperature and the selenium content can significantly regulate the catalytic performance of the hybrids. The obtained best catalysts requires the overpotential of only 306 mV and 345 mV to reach a current density of 10 mA cm−2 and 50 mA cm−2 in 1.0 MKOH medium, respectively. It also exhibits a small Tafel slope of 46 mV dec−1 and excellent durability, which is superior to most of recently reported CoSe2-based and Co-based materials. These superior performances can be ascribed to synergistic effects of the highly active CoSe2 nanostructure, defect carbon species and the carbon nanotubes exist in the catalyst. Besides, the unique morphology leads to large electrochemical surface area of the catalyst, which is in favor of the exposure of active sites for OER. Due to high efficiency, low cost and excellent durability for OER, the prepared catalysts showed can be potentially used to substitute noble metals utilized in related energy storage and conversion devices.
abstract_unstemmed	The electrochemical oxygen evolution reaction (OER) is sparked extensive interest in efficient energy storage and conversion. Cobalt Selenide (CoSe2) is believed to be one of the promising candidates for OER based on Yang Shao-Horn's principle. However, owing to low exposure of active sites and/or low efficiency of electron transfer, the electrocatalytic activity of CoSe2 is far less than expected. In this work, a novel carbon nanotubes (CNT) grafted 3D core-shell structured CoSe2C-CNT nanohybrid is developed by a general hydrothermal-calcination strategy. Zeolite imidazole frameworks (ZIF) was used as the precursor to synthesis of the materials. It is found that both the calcination temperature and the selenium content can significantly regulate the catalytic performance of the hybrids. The obtained best catalysts requires the overpotential of only 306 mV and 345 mV to reach a current density of 10 mA cm−2 and 50 mA cm−2 in 1.0 MKOH medium, respectively. It also exhibits a small Tafel slope of 46 mV dec−1 and excellent durability, which is superior to most of recently reported CoSe2-based and Co-based materials. These superior performances can be ascribed to synergistic effects of the highly active CoSe2 nanostructure, defect carbon species and the carbon nanotubes exist in the catalyst. Besides, the unique morphology leads to large electrochemical surface area of the catalyst, which is in favor of the exposure of active sites for OER. Due to high efficiency, low cost and excellent durability for OER, the prepared catalysts showed can be potentially used to substitute noble metals utilized in related energy storage and conversion devices.
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title_short	Tuning carbon nanotube-grafted core-shell-structured cobalt selenidecarbon hybrids for efficient oxygen evolution reaction
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author2	Wang, Meng Lu, Peilong Sun, Yu Dipazir, Sobia Zhang, Jingxian Li, Shuwei Zhang, Guangjin
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up_date	2024-07-06T19:23:33.322Z
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It also exhibits a small Tafel slope of 46 mV dec−1 and excellent durability, which is superior to most of recently reported CoSe2-based and Co-based materials. These superior performances can be ascribed to synergistic effects of the highly active CoSe2 nanostructure, defect carbon species and the carbon nanotubes exist in the catalyst. Besides, the unique morphology leads to large electrochemical surface area of the catalyst, which is in favor of the exposure of active sites for OER. 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Tuning carbon nanotube-grafted core-shell-structured cobalt selenidecarbon hybrids for efficient oxygen evolution reaction

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