Preparation of dense polybenzimidazole proton exchange membranes with different basicity and flexibility for vanadium redox flow battery applications

Acid doped polybenzimidazoles (PBI) membrane is a type of promising proton exchange membrane for vanadium redox flow battery (VRFB) applications and increasing the basicity of PBI is an effective way to develop the acid doped level and proton conductivity. While according to Grotthuss mechanism, the...
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Gespeichert in:

Autor*in:	Ding, Liming [verfasserIn] Song, Xipeng [verfasserIn] Wang, Lihua [verfasserIn] Zhao, Zhiping [verfasserIn] He, Gaohong [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2018

Schlagwörter:	Polybenzimidazole Basicity Flexibility Proton exchange membrane Vanadium redox flow battery

Übergeordnetes Werk:	Enthalten in: Electrochimica acta - New York, NY [u.a.] : Elsevier, 1959, 292, Seite 10-19
Übergeordnetes Werk:	volume:292 ; pages:10-19

DOI / URN:	10.1016/j.electacta.2018.08.128

Katalog-ID:	ELV001048708

Internformat


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245	1	0	\|a Preparation of dense polybenzimidazole proton exchange membranes with different basicity and flexibility for vanadium redox flow battery applications
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520			\|a Acid doped polybenzimidazoles (PBI) membrane is a type of promising proton exchange membrane for vanadium redox flow battery (VRFB) applications and increasing the basicity of PBI is an effective way to develop the acid doped level and proton conductivity. While according to Grotthuss mechanism, the proton conduct in PBI membranes can occur from protonated guest molecules to neighbor non-protonated neighbor molecules. Therefore, the flexibility of the polymer also can influence the proton conductivity of PBI membranes. In order to investigate in VRFB system which factor is more obvious, in this article, three PBI compounds with different basicity and flexibility were synthesized and then used to prepare dense proton exchange membranes for VRFB applications. The physicochemical properties and single cell performances of these membranes were valued. The results indicated that in VRFB system, the most flexible OPBI membranes show the highest proton conductivity. The VRFB used OPBI membrane as proton exchange membrane exhibited excellent cell performance, the energy efficiency (EE) of OPBI membrane reached 81.87% at current density of 100 mA cm−2, which was obviously higher than that of a commercial Nafion 115 membrane (EE = 77.69%). The self-discharge time of the OPBI membrane was recorded to be as long as 487 h, obviously longer than Nafion 115 (56 h).
650		4	\|a Polybenzimidazole
650		4	\|a Basicity
650		4	\|a Flexibility
650		4	\|a Proton exchange membrane
650		4	\|a Vanadium redox flow battery
700	1		\|a Song, Xipeng \|e verfasserin \|4 aut
700	1		\|a Wang, Lihua \|e verfasserin \|4 aut
700	1		\|a Zhao, Zhiping \|e verfasserin \|4 aut
700	1		\|a He, Gaohong \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t Electrochimica acta \|d New York, NY [u.a.] : Elsevier, 1959 \|g 292, Seite 10-19 \|h Online-Ressource \|w (DE-627)300897561 \|w (DE-600)1483548-4 \|w (DE-576)094752451 \|x 1873-3859 \|7 nnns
773	1	8	\|g volume:292 \|g pages:10-19
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912			\|a GBV_ILN_2507
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912			\|a GBV_ILN_4393
936	b	k	\|a 35.00 \|j Chemie: Allgemeines
951			\|a AR
952			\|d 292 \|h 10-19

Indexfelder

author_variant	l d ld x s xs l w lw z z zz g h gh
matchkey_str	article:18733859:2018----::rprtoodneoyezmdzlpooecagmmrnsihifrnbsctadlxbltfra
hierarchy_sort_str	2018
bklnumber	35.00
publishDate	2018
allfields	10.1016/j.electacta.2018.08.128 doi (DE-627)ELV001048708 (ELSEVIER)S0013-4686(18)31901-7 DE-627 ger DE-627 rda eng 540 DE-600 35.00 bkl Ding, Liming verfasserin aut Preparation of dense polybenzimidazole proton exchange membranes with different basicity and flexibility for vanadium redox flow battery applications 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Acid doped polybenzimidazoles (PBI) membrane is a type of promising proton exchange membrane for vanadium redox flow battery (VRFB) applications and increasing the basicity of PBI is an effective way to develop the acid doped level and proton conductivity. While according to Grotthuss mechanism, the proton conduct in PBI membranes can occur from protonated guest molecules to neighbor non-protonated neighbor molecules. Therefore, the flexibility of the polymer also can influence the proton conductivity of PBI membranes. In order to investigate in VRFB system which factor is more obvious, in this article, three PBI compounds with different basicity and flexibility were synthesized and then used to prepare dense proton exchange membranes for VRFB applications. The physicochemical properties and single cell performances of these membranes were valued. The results indicated that in VRFB system, the most flexible OPBI membranes show the highest proton conductivity. The VRFB used OPBI membrane as proton exchange membrane exhibited excellent cell performance, the energy efficiency (EE) of OPBI membrane reached 81.87% at current density of 100 mA cm−2, which was obviously higher than that of a commercial Nafion 115 membrane (EE = 77.69%). The self-discharge time of the OPBI membrane was recorded to be as long as 487 h, obviously longer than Nafion 115 (56 h). Polybenzimidazole Basicity Flexibility Proton exchange membrane Vanadium redox flow battery Song, Xipeng verfasserin aut Wang, Lihua verfasserin aut Zhao, Zhiping verfasserin aut He, Gaohong verfasserin aut Enthalten in Electrochimica acta New York, NY [u.a.] : Elsevier, 1959 292, Seite 10-19 Online-Ressource (DE-627)300897561 (DE-600)1483548-4 (DE-576)094752451 1873-3859 nnns volume:292 pages:10-19 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA 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_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_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_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.00 Chemie: Allgemeines AR 292 10-19
spelling	10.1016/j.electacta.2018.08.128 doi (DE-627)ELV001048708 (ELSEVIER)S0013-4686(18)31901-7 DE-627 ger DE-627 rda eng 540 DE-600 35.00 bkl Ding, Liming verfasserin aut Preparation of dense polybenzimidazole proton exchange membranes with different basicity and flexibility for vanadium redox flow battery applications 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Acid doped polybenzimidazoles (PBI) membrane is a type of promising proton exchange membrane for vanadium redox flow battery (VRFB) applications and increasing the basicity of PBI is an effective way to develop the acid doped level and proton conductivity. While according to Grotthuss mechanism, the proton conduct in PBI membranes can occur from protonated guest molecules to neighbor non-protonated neighbor molecules. Therefore, the flexibility of the polymer also can influence the proton conductivity of PBI membranes. In order to investigate in VRFB system which factor is more obvious, in this article, three PBI compounds with different basicity and flexibility were synthesized and then used to prepare dense proton exchange membranes for VRFB applications. The physicochemical properties and single cell performances of these membranes were valued. The results indicated that in VRFB system, the most flexible OPBI membranes show the highest proton conductivity. The VRFB used OPBI membrane as proton exchange membrane exhibited excellent cell performance, the energy efficiency (EE) of OPBI membrane reached 81.87% at current density of 100 mA cm−2, which was obviously higher than that of a commercial Nafion 115 membrane (EE = 77.69%). The self-discharge time of the OPBI membrane was recorded to be as long as 487 h, obviously longer than Nafion 115 (56 h). Polybenzimidazole Basicity Flexibility Proton exchange membrane Vanadium redox flow battery Song, Xipeng verfasserin aut Wang, Lihua verfasserin aut Zhao, Zhiping verfasserin aut He, Gaohong verfasserin aut Enthalten in Electrochimica acta New York, NY [u.a.] : Elsevier, 1959 292, Seite 10-19 Online-Ressource (DE-627)300897561 (DE-600)1483548-4 (DE-576)094752451 1873-3859 nnns volume:292 pages:10-19 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA 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_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_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_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.00 Chemie: Allgemeines AR 292 10-19
allfields_unstemmed	10.1016/j.electacta.2018.08.128 doi (DE-627)ELV001048708 (ELSEVIER)S0013-4686(18)31901-7 DE-627 ger DE-627 rda eng 540 DE-600 35.00 bkl Ding, Liming verfasserin aut Preparation of dense polybenzimidazole proton exchange membranes with different basicity and flexibility for vanadium redox flow battery applications 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Acid doped polybenzimidazoles (PBI) membrane is a type of promising proton exchange membrane for vanadium redox flow battery (VRFB) applications and increasing the basicity of PBI is an effective way to develop the acid doped level and proton conductivity. While according to Grotthuss mechanism, the proton conduct in PBI membranes can occur from protonated guest molecules to neighbor non-protonated neighbor molecules. Therefore, the flexibility of the polymer also can influence the proton conductivity of PBI membranes. In order to investigate in VRFB system which factor is more obvious, in this article, three PBI compounds with different basicity and flexibility were synthesized and then used to prepare dense proton exchange membranes for VRFB applications. The physicochemical properties and single cell performances of these membranes were valued. The results indicated that in VRFB system, the most flexible OPBI membranes show the highest proton conductivity. The VRFB used OPBI membrane as proton exchange membrane exhibited excellent cell performance, the energy efficiency (EE) of OPBI membrane reached 81.87% at current density of 100 mA cm−2, which was obviously higher than that of a commercial Nafion 115 membrane (EE = 77.69%). The self-discharge time of the OPBI membrane was recorded to be as long as 487 h, obviously longer than Nafion 115 (56 h). Polybenzimidazole Basicity Flexibility Proton exchange membrane Vanadium redox flow battery Song, Xipeng verfasserin aut Wang, Lihua verfasserin aut Zhao, Zhiping verfasserin aut He, Gaohong verfasserin aut Enthalten in Electrochimica acta New York, NY [u.a.] : Elsevier, 1959 292, Seite 10-19 Online-Ressource (DE-627)300897561 (DE-600)1483548-4 (DE-576)094752451 1873-3859 nnns volume:292 pages:10-19 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA 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_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_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_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.00 Chemie: Allgemeines AR 292 10-19
allfieldsGer	10.1016/j.electacta.2018.08.128 doi (DE-627)ELV001048708 (ELSEVIER)S0013-4686(18)31901-7 DE-627 ger DE-627 rda eng 540 DE-600 35.00 bkl Ding, Liming verfasserin aut Preparation of dense polybenzimidazole proton exchange membranes with different basicity and flexibility for vanadium redox flow battery applications 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Acid doped polybenzimidazoles (PBI) membrane is a type of promising proton exchange membrane for vanadium redox flow battery (VRFB) applications and increasing the basicity of PBI is an effective way to develop the acid doped level and proton conductivity. While according to Grotthuss mechanism, the proton conduct in PBI membranes can occur from protonated guest molecules to neighbor non-protonated neighbor molecules. Therefore, the flexibility of the polymer also can influence the proton conductivity of PBI membranes. In order to investigate in VRFB system which factor is more obvious, in this article, three PBI compounds with different basicity and flexibility were synthesized and then used to prepare dense proton exchange membranes for VRFB applications. The physicochemical properties and single cell performances of these membranes were valued. The results indicated that in VRFB system, the most flexible OPBI membranes show the highest proton conductivity. The VRFB used OPBI membrane as proton exchange membrane exhibited excellent cell performance, the energy efficiency (EE) of OPBI membrane reached 81.87% at current density of 100 mA cm−2, which was obviously higher than that of a commercial Nafion 115 membrane (EE = 77.69%). The self-discharge time of the OPBI membrane was recorded to be as long as 487 h, obviously longer than Nafion 115 (56 h). Polybenzimidazole Basicity Flexibility Proton exchange membrane Vanadium redox flow battery Song, Xipeng verfasserin aut Wang, Lihua verfasserin aut Zhao, Zhiping verfasserin aut He, Gaohong verfasserin aut Enthalten in Electrochimica acta New York, NY [u.a.] : Elsevier, 1959 292, Seite 10-19 Online-Ressource (DE-627)300897561 (DE-600)1483548-4 (DE-576)094752451 1873-3859 nnns volume:292 pages:10-19 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA 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_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_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_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.00 Chemie: Allgemeines AR 292 10-19
allfieldsSound	10.1016/j.electacta.2018.08.128 doi (DE-627)ELV001048708 (ELSEVIER)S0013-4686(18)31901-7 DE-627 ger DE-627 rda eng 540 DE-600 35.00 bkl Ding, Liming verfasserin aut Preparation of dense polybenzimidazole proton exchange membranes with different basicity and flexibility for vanadium redox flow battery applications 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Acid doped polybenzimidazoles (PBI) membrane is a type of promising proton exchange membrane for vanadium redox flow battery (VRFB) applications and increasing the basicity of PBI is an effective way to develop the acid doped level and proton conductivity. While according to Grotthuss mechanism, the proton conduct in PBI membranes can occur from protonated guest molecules to neighbor non-protonated neighbor molecules. Therefore, the flexibility of the polymer also can influence the proton conductivity of PBI membranes. In order to investigate in VRFB system which factor is more obvious, in this article, three PBI compounds with different basicity and flexibility were synthesized and then used to prepare dense proton exchange membranes for VRFB applications. The physicochemical properties and single cell performances of these membranes were valued. The results indicated that in VRFB system, the most flexible OPBI membranes show the highest proton conductivity. The VRFB used OPBI membrane as proton exchange membrane exhibited excellent cell performance, the energy efficiency (EE) of OPBI membrane reached 81.87% at current density of 100 mA cm−2, which was obviously higher than that of a commercial Nafion 115 membrane (EE = 77.69%). The self-discharge time of the OPBI membrane was recorded to be as long as 487 h, obviously longer than Nafion 115 (56 h). Polybenzimidazole Basicity Flexibility Proton exchange membrane Vanadium redox flow battery Song, Xipeng verfasserin aut Wang, Lihua verfasserin aut Zhao, Zhiping verfasserin aut He, Gaohong verfasserin aut Enthalten in Electrochimica acta New York, NY [u.a.] : Elsevier, 1959 292, Seite 10-19 Online-Ressource (DE-627)300897561 (DE-600)1483548-4 (DE-576)094752451 1873-3859 nnns volume:292 pages:10-19 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA 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_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_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_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.00 Chemie: Allgemeines AR 292 10-19
language	English
source	Enthalten in Electrochimica acta 292, Seite 10-19 volume:292 pages:10-19
sourceStr	Enthalten in Electrochimica acta 292, Seite 10-19 volume:292 pages:10-19
format_phy_str_mv	Article
bklname	Chemie: Allgemeines
institution	findex.gbv.de
topic_facet	Polybenzimidazole Basicity Flexibility Proton exchange membrane Vanadium redox flow battery
dewey-raw	540
isfreeaccess_bool	false
container_title	Electrochimica acta
authorswithroles_txt_mv	Ding, Liming @@aut@@ Song, Xipeng @@aut@@ Wang, Lihua @@aut@@ Zhao, Zhiping @@aut@@ He, Gaohong @@aut@@
publishDateDaySort_date	2018-01-01T00:00:00Z
hierarchy_top_id	300897561
dewey-sort	3540
id	ELV001048708
language_de	englisch
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author	Ding, Liming
spellingShingle	Ding, Liming ddc 540 bkl 35.00 misc Polybenzimidazole misc Basicity misc Flexibility misc Proton exchange membrane misc Vanadium redox flow battery Preparation of dense polybenzimidazole proton exchange membranes with different basicity and flexibility for vanadium redox flow battery applications
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topic_title	540 DE-600 35.00 bkl Preparation of dense polybenzimidazole proton exchange membranes with different basicity and flexibility for vanadium redox flow battery applications Polybenzimidazole Basicity Flexibility Proton exchange membrane Vanadium redox flow battery
topic	ddc 540 bkl 35.00 misc Polybenzimidazole misc Basicity misc Flexibility misc Proton exchange membrane misc Vanadium redox flow battery
topic_unstemmed	ddc 540 bkl 35.00 misc Polybenzimidazole misc Basicity misc Flexibility misc Proton exchange membrane misc Vanadium redox flow battery
topic_browse	ddc 540 bkl 35.00 misc Polybenzimidazole misc Basicity misc Flexibility misc Proton exchange membrane misc Vanadium redox flow battery
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title	Preparation of dense polybenzimidazole proton exchange membranes with different basicity and flexibility for vanadium redox flow battery applications
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title_full	Preparation of dense polybenzimidazole proton exchange membranes with different basicity and flexibility for vanadium redox flow battery applications
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title_sort	preparation of dense polybenzimidazole proton exchange membranes with different basicity and flexibility for vanadium redox flow battery applications
title_auth	Preparation of dense polybenzimidazole proton exchange membranes with different basicity and flexibility for vanadium redox flow battery applications
abstract	Acid doped polybenzimidazoles (PBI) membrane is a type of promising proton exchange membrane for vanadium redox flow battery (VRFB) applications and increasing the basicity of PBI is an effective way to develop the acid doped level and proton conductivity. While according to Grotthuss mechanism, the proton conduct in PBI membranes can occur from protonated guest molecules to neighbor non-protonated neighbor molecules. Therefore, the flexibility of the polymer also can influence the proton conductivity of PBI membranes. In order to investigate in VRFB system which factor is more obvious, in this article, three PBI compounds with different basicity and flexibility were synthesized and then used to prepare dense proton exchange membranes for VRFB applications. The physicochemical properties and single cell performances of these membranes were valued. The results indicated that in VRFB system, the most flexible OPBI membranes show the highest proton conductivity. The VRFB used OPBI membrane as proton exchange membrane exhibited excellent cell performance, the energy efficiency (EE) of OPBI membrane reached 81.87% at current density of 100 mA cm−2, which was obviously higher than that of a commercial Nafion 115 membrane (EE = 77.69%). The self-discharge time of the OPBI membrane was recorded to be as long as 487 h, obviously longer than Nafion 115 (56 h).
abstractGer	Acid doped polybenzimidazoles (PBI) membrane is a type of promising proton exchange membrane for vanadium redox flow battery (VRFB) applications and increasing the basicity of PBI is an effective way to develop the acid doped level and proton conductivity. While according to Grotthuss mechanism, the proton conduct in PBI membranes can occur from protonated guest molecules to neighbor non-protonated neighbor molecules. Therefore, the flexibility of the polymer also can influence the proton conductivity of PBI membranes. In order to investigate in VRFB system which factor is more obvious, in this article, three PBI compounds with different basicity and flexibility were synthesized and then used to prepare dense proton exchange membranes for VRFB applications. The physicochemical properties and single cell performances of these membranes were valued. The results indicated that in VRFB system, the most flexible OPBI membranes show the highest proton conductivity. The VRFB used OPBI membrane as proton exchange membrane exhibited excellent cell performance, the energy efficiency (EE) of OPBI membrane reached 81.87% at current density of 100 mA cm−2, which was obviously higher than that of a commercial Nafion 115 membrane (EE = 77.69%). The self-discharge time of the OPBI membrane was recorded to be as long as 487 h, obviously longer than Nafion 115 (56 h).
abstract_unstemmed	Acid doped polybenzimidazoles (PBI) membrane is a type of promising proton exchange membrane for vanadium redox flow battery (VRFB) applications and increasing the basicity of PBI is an effective way to develop the acid doped level and proton conductivity. While according to Grotthuss mechanism, the proton conduct in PBI membranes can occur from protonated guest molecules to neighbor non-protonated neighbor molecules. Therefore, the flexibility of the polymer also can influence the proton conductivity of PBI membranes. In order to investigate in VRFB system which factor is more obvious, in this article, three PBI compounds with different basicity and flexibility were synthesized and then used to prepare dense proton exchange membranes for VRFB applications. The physicochemical properties and single cell performances of these membranes were valued. The results indicated that in VRFB system, the most flexible OPBI membranes show the highest proton conductivity. The VRFB used OPBI membrane as proton exchange membrane exhibited excellent cell performance, the energy efficiency (EE) of OPBI membrane reached 81.87% at current density of 100 mA cm−2, which was obviously higher than that of a commercial Nafion 115 membrane (EE = 77.69%). The self-discharge time of the OPBI membrane was recorded to be as long as 487 h, obviously longer than Nafion 115 (56 h).
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title_short	Preparation of dense polybenzimidazole proton exchange membranes with different basicity and flexibility for vanadium redox flow battery applications
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author2	Song, Xipeng Wang, Lihua Zhao, Zhiping He, Gaohong
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doi_str	10.1016/j.electacta.2018.08.128
up_date	2024-07-06T20:03:14.747Z
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Preparation of dense polybenzimidazole proton exchange membranes with different basicity and flexibility for vanadium redox flow battery applications

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