Evaluation of covalently and ionically cross-linked PBI-excess blends for application in SO2 electrolysis
Proton exchange membranes (PEM) containing various combinations of PPOBr (pol(2,6-dimethylbromide-1,4-phenylene oxide, covalently cross-linked) or PWN (poly(tetrafluorostyrene-4-phosphonic acid), ionically cross-linked) were evaluated for their suitability in an SO2 electrolyser environment. Since H...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Krüger, Andries J. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2015transfer abstract |
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| Umfang: |
9 |
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| Übergeordnetes Werk: |
Enthalten in: External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs - Dedhia, Kavita ELSEVIER, 2018, official journal of the International Association for Hydrogen Energy, New York, NY [u.a.] |
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| Übergeordnetes Werk: |
volume:40 ; year:2015 ; number:29 ; day:3 ; month:08 ; pages:8788-8796 ; extent:9 |
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| DOI / URN: |
10.1016/j.ijhydene.2015.05.063 |
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| 245 | 1 | 0 | |a Evaluation of covalently and ionically cross-linked PBI-excess blends for application in SO2 electrolysis |
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| 520 | |a Proton exchange membranes (PEM) containing various combinations of PPOBr (pol(2,6-dimethylbromide-1,4-phenylene oxide, covalently cross-linked) or PWN (poly(tetrafluorostyrene-4-phosphonic acid), ionically cross-linked) were evaluated for their suitability in an SO2 electrolyser environment. Since H2SO4 is produced during the oxidation of SO2 in the presence of water, the membranes used in the electrolyser must be both chemically and electrochemically stable. Acid stability tests showed that the blend membranes are stable in 80 wt % acidic media at 80 °C for 120 h. The electrochemical characterisation included polarisation curves, voltage stepping and long term operation. Using polarisation curves two blend combinations were selected for the voltage stepping. Both types of blend membranes showed high stability up to 110 cycles while the F6PBI/PPOBr blend membrane had comparable (to N115®) long term operating voltage, while the F6PBI/PWN blend membrane showed improved voltage, attaining 0.781 V compared to the 0.812 V obtained when using N115 at 0.1 A cm−2. | ||
| 520 | |a Proton exchange membranes (PEM) containing various combinations of PPOBr (pol(2,6-dimethylbromide-1,4-phenylene oxide, covalently cross-linked) or PWN (poly(tetrafluorostyrene-4-phosphonic acid), ionically cross-linked) were evaluated for their suitability in an SO2 electrolyser environment. Since H2SO4 is produced during the oxidation of SO2 in the presence of water, the membranes used in the electrolyser must be both chemically and electrochemically stable. Acid stability tests showed that the blend membranes are stable in 80 wt % acidic media at 80 °C for 120 h. The electrochemical characterisation included polarisation curves, voltage stepping and long term operation. Using polarisation curves two blend combinations were selected for the voltage stepping. Both types of blend membranes showed high stability up to 110 cycles while the F6PBI/PPOBr blend membrane had comparable (to N115®) long term operating voltage, while the F6PBI/PWN blend membrane showed improved voltage, attaining 0.781 V compared to the 0.812 V obtained when using N115 at 0.1 A cm−2. | ||
| 650 | 7 | |a Voltage stepping |2 Elsevier | |
| 650 | 7 | |a Long term operation |2 Elsevier | |
| 650 | 7 | |a Ionically cross-linked |2 Elsevier | |
| 650 | 7 | |a SO2 electrolysis |2 Elsevier | |
| 650 | 7 | |a F6PBI blend proton exchange membranes |2 Elsevier | |
| 650 | 7 | |a Covalently cross-linked |2 Elsevier | |
| 700 | 1 | |a Kerres, Jochen |4 oth | |
| 700 | 1 | |a Bessarabov, Dmitri |4 oth | |
| 700 | 1 | |a Krieg, Henning M. |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier |a Dedhia, Kavita ELSEVIER |t External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs |d 2018 |d official journal of the International Association for Hydrogen Energy |g New York, NY [u.a.] |w (DE-627)ELV000127019 |
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10.1016/j.ijhydene.2015.05.063 doi GBVA2015012000003.pica (DE-627)ELV018554369 (ELSEVIER)S0360-3199(15)01221-5 DE-627 ger DE-627 rakwb eng 660 620 660 DE-600 620 DE-600 610 VZ 44.94 bkl Krüger, Andries J. verfasserin aut Evaluation of covalently and ionically cross-linked PBI-excess blends for application in SO2 electrolysis 2015transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Proton exchange membranes (PEM) containing various combinations of PPOBr (pol(2,6-dimethylbromide-1,4-phenylene oxide, covalently cross-linked) or PWN (poly(tetrafluorostyrene-4-phosphonic acid), ionically cross-linked) were evaluated for their suitability in an SO2 electrolyser environment. Since H2SO4 is produced during the oxidation of SO2 in the presence of water, the membranes used in the electrolyser must be both chemically and electrochemically stable. Acid stability tests showed that the blend membranes are stable in 80 wt % acidic media at 80 °C for 120 h. The electrochemical characterisation included polarisation curves, voltage stepping and long term operation. Using polarisation curves two blend combinations were selected for the voltage stepping. Both types of blend membranes showed high stability up to 110 cycles while the F6PBI/PPOBr blend membrane had comparable (to N115®) long term operating voltage, while the F6PBI/PWN blend membrane showed improved voltage, attaining 0.781 V compared to the 0.812 V obtained when using N115 at 0.1 A cm−2. Proton exchange membranes (PEM) containing various combinations of PPOBr (pol(2,6-dimethylbromide-1,4-phenylene oxide, covalently cross-linked) or PWN (poly(tetrafluorostyrene-4-phosphonic acid), ionically cross-linked) were evaluated for their suitability in an SO2 electrolyser environment. Since H2SO4 is produced during the oxidation of SO2 in the presence of water, the membranes used in the electrolyser must be both chemically and electrochemically stable. Acid stability tests showed that the blend membranes are stable in 80 wt % acidic media at 80 °C for 120 h. The electrochemical characterisation included polarisation curves, voltage stepping and long term operation. Using polarisation curves two blend combinations were selected for the voltage stepping. Both types of blend membranes showed high stability up to 110 cycles while the F6PBI/PPOBr blend membrane had comparable (to N115®) long term operating voltage, while the F6PBI/PWN blend membrane showed improved voltage, attaining 0.781 V compared to the 0.812 V obtained when using N115 at 0.1 A cm−2. Voltage stepping Elsevier Long term operation Elsevier Ionically cross-linked Elsevier SO2 electrolysis Elsevier F6PBI blend proton exchange membranes Elsevier Covalently cross-linked Elsevier Kerres, Jochen oth Bessarabov, Dmitri oth Krieg, Henning M. oth Enthalten in Elsevier Dedhia, Kavita ELSEVIER External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs 2018 official journal of the International Association for Hydrogen Energy New York, NY [u.a.] (DE-627)ELV000127019 volume:40 year:2015 number:29 day:3 month:08 pages:8788-8796 extent:9 https://doi.org/10.1016/j.ijhydene.2015.05.063 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 40 2015 29 3 0803 8788-8796 9 045F 660 |
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10.1016/j.ijhydene.2015.05.063 doi GBVA2015012000003.pica (DE-627)ELV018554369 (ELSEVIER)S0360-3199(15)01221-5 DE-627 ger DE-627 rakwb eng 660 620 660 DE-600 620 DE-600 610 VZ 44.94 bkl Krüger, Andries J. verfasserin aut Evaluation of covalently and ionically cross-linked PBI-excess blends for application in SO2 electrolysis 2015transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Proton exchange membranes (PEM) containing various combinations of PPOBr (pol(2,6-dimethylbromide-1,4-phenylene oxide, covalently cross-linked) or PWN (poly(tetrafluorostyrene-4-phosphonic acid), ionically cross-linked) were evaluated for their suitability in an SO2 electrolyser environment. Since H2SO4 is produced during the oxidation of SO2 in the presence of water, the membranes used in the electrolyser must be both chemically and electrochemically stable. Acid stability tests showed that the blend membranes are stable in 80 wt % acidic media at 80 °C for 120 h. The electrochemical characterisation included polarisation curves, voltage stepping and long term operation. Using polarisation curves two blend combinations were selected for the voltage stepping. Both types of blend membranes showed high stability up to 110 cycles while the F6PBI/PPOBr blend membrane had comparable (to N115®) long term operating voltage, while the F6PBI/PWN blend membrane showed improved voltage, attaining 0.781 V compared to the 0.812 V obtained when using N115 at 0.1 A cm−2. Proton exchange membranes (PEM) containing various combinations of PPOBr (pol(2,6-dimethylbromide-1,4-phenylene oxide, covalently cross-linked) or PWN (poly(tetrafluorostyrene-4-phosphonic acid), ionically cross-linked) were evaluated for their suitability in an SO2 electrolyser environment. Since H2SO4 is produced during the oxidation of SO2 in the presence of water, the membranes used in the electrolyser must be both chemically and electrochemically stable. Acid stability tests showed that the blend membranes are stable in 80 wt % acidic media at 80 °C for 120 h. The electrochemical characterisation included polarisation curves, voltage stepping and long term operation. Using polarisation curves two blend combinations were selected for the voltage stepping. Both types of blend membranes showed high stability up to 110 cycles while the F6PBI/PPOBr blend membrane had comparable (to N115®) long term operating voltage, while the F6PBI/PWN blend membrane showed improved voltage, attaining 0.781 V compared to the 0.812 V obtained when using N115 at 0.1 A cm−2. Voltage stepping Elsevier Long term operation Elsevier Ionically cross-linked Elsevier SO2 electrolysis Elsevier F6PBI blend proton exchange membranes Elsevier Covalently cross-linked Elsevier Kerres, Jochen oth Bessarabov, Dmitri oth Krieg, Henning M. oth Enthalten in Elsevier Dedhia, Kavita ELSEVIER External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs 2018 official journal of the International Association for Hydrogen Energy New York, NY [u.a.] (DE-627)ELV000127019 volume:40 year:2015 number:29 day:3 month:08 pages:8788-8796 extent:9 https://doi.org/10.1016/j.ijhydene.2015.05.063 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 40 2015 29 3 0803 8788-8796 9 045F 660 |
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10.1016/j.ijhydene.2015.05.063 doi GBVA2015012000003.pica (DE-627)ELV018554369 (ELSEVIER)S0360-3199(15)01221-5 DE-627 ger DE-627 rakwb eng 660 620 660 DE-600 620 DE-600 610 VZ 44.94 bkl Krüger, Andries J. verfasserin aut Evaluation of covalently and ionically cross-linked PBI-excess blends for application in SO2 electrolysis 2015transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Proton exchange membranes (PEM) containing various combinations of PPOBr (pol(2,6-dimethylbromide-1,4-phenylene oxide, covalently cross-linked) or PWN (poly(tetrafluorostyrene-4-phosphonic acid), ionically cross-linked) were evaluated for their suitability in an SO2 electrolyser environment. Since H2SO4 is produced during the oxidation of SO2 in the presence of water, the membranes used in the electrolyser must be both chemically and electrochemically stable. Acid stability tests showed that the blend membranes are stable in 80 wt % acidic media at 80 °C for 120 h. The electrochemical characterisation included polarisation curves, voltage stepping and long term operation. Using polarisation curves two blend combinations were selected for the voltage stepping. Both types of blend membranes showed high stability up to 110 cycles while the F6PBI/PPOBr blend membrane had comparable (to N115®) long term operating voltage, while the F6PBI/PWN blend membrane showed improved voltage, attaining 0.781 V compared to the 0.812 V obtained when using N115 at 0.1 A cm−2. Proton exchange membranes (PEM) containing various combinations of PPOBr (pol(2,6-dimethylbromide-1,4-phenylene oxide, covalently cross-linked) or PWN (poly(tetrafluorostyrene-4-phosphonic acid), ionically cross-linked) were evaluated for their suitability in an SO2 electrolyser environment. Since H2SO4 is produced during the oxidation of SO2 in the presence of water, the membranes used in the electrolyser must be both chemically and electrochemically stable. Acid stability tests showed that the blend membranes are stable in 80 wt % acidic media at 80 °C for 120 h. The electrochemical characterisation included polarisation curves, voltage stepping and long term operation. Using polarisation curves two blend combinations were selected for the voltage stepping. Both types of blend membranes showed high stability up to 110 cycles while the F6PBI/PPOBr blend membrane had comparable (to N115®) long term operating voltage, while the F6PBI/PWN blend membrane showed improved voltage, attaining 0.781 V compared to the 0.812 V obtained when using N115 at 0.1 A cm−2. Voltage stepping Elsevier Long term operation Elsevier Ionically cross-linked Elsevier SO2 electrolysis Elsevier F6PBI blend proton exchange membranes Elsevier Covalently cross-linked Elsevier Kerres, Jochen oth Bessarabov, Dmitri oth Krieg, Henning M. oth Enthalten in Elsevier Dedhia, Kavita ELSEVIER External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs 2018 official journal of the International Association for Hydrogen Energy New York, NY [u.a.] (DE-627)ELV000127019 volume:40 year:2015 number:29 day:3 month:08 pages:8788-8796 extent:9 https://doi.org/10.1016/j.ijhydene.2015.05.063 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 40 2015 29 3 0803 8788-8796 9 045F 660 |
| allfieldsGer |
10.1016/j.ijhydene.2015.05.063 doi GBVA2015012000003.pica (DE-627)ELV018554369 (ELSEVIER)S0360-3199(15)01221-5 DE-627 ger DE-627 rakwb eng 660 620 660 DE-600 620 DE-600 610 VZ 44.94 bkl Krüger, Andries J. verfasserin aut Evaluation of covalently and ionically cross-linked PBI-excess blends for application in SO2 electrolysis 2015transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Proton exchange membranes (PEM) containing various combinations of PPOBr (pol(2,6-dimethylbromide-1,4-phenylene oxide, covalently cross-linked) or PWN (poly(tetrafluorostyrene-4-phosphonic acid), ionically cross-linked) were evaluated for their suitability in an SO2 electrolyser environment. Since H2SO4 is produced during the oxidation of SO2 in the presence of water, the membranes used in the electrolyser must be both chemically and electrochemically stable. Acid stability tests showed that the blend membranes are stable in 80 wt % acidic media at 80 °C for 120 h. The electrochemical characterisation included polarisation curves, voltage stepping and long term operation. Using polarisation curves two blend combinations were selected for the voltage stepping. Both types of blend membranes showed high stability up to 110 cycles while the F6PBI/PPOBr blend membrane had comparable (to N115®) long term operating voltage, while the F6PBI/PWN blend membrane showed improved voltage, attaining 0.781 V compared to the 0.812 V obtained when using N115 at 0.1 A cm−2. Proton exchange membranes (PEM) containing various combinations of PPOBr (pol(2,6-dimethylbromide-1,4-phenylene oxide, covalently cross-linked) or PWN (poly(tetrafluorostyrene-4-phosphonic acid), ionically cross-linked) were evaluated for their suitability in an SO2 electrolyser environment. Since H2SO4 is produced during the oxidation of SO2 in the presence of water, the membranes used in the electrolyser must be both chemically and electrochemically stable. Acid stability tests showed that the blend membranes are stable in 80 wt % acidic media at 80 °C for 120 h. The electrochemical characterisation included polarisation curves, voltage stepping and long term operation. Using polarisation curves two blend combinations were selected for the voltage stepping. Both types of blend membranes showed high stability up to 110 cycles while the F6PBI/PPOBr blend membrane had comparable (to N115®) long term operating voltage, while the F6PBI/PWN blend membrane showed improved voltage, attaining 0.781 V compared to the 0.812 V obtained when using N115 at 0.1 A cm−2. Voltage stepping Elsevier Long term operation Elsevier Ionically cross-linked Elsevier SO2 electrolysis Elsevier F6PBI blend proton exchange membranes Elsevier Covalently cross-linked Elsevier Kerres, Jochen oth Bessarabov, Dmitri oth Krieg, Henning M. oth Enthalten in Elsevier Dedhia, Kavita ELSEVIER External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs 2018 official journal of the International Association for Hydrogen Energy New York, NY [u.a.] (DE-627)ELV000127019 volume:40 year:2015 number:29 day:3 month:08 pages:8788-8796 extent:9 https://doi.org/10.1016/j.ijhydene.2015.05.063 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 40 2015 29 3 0803 8788-8796 9 045F 660 |
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10.1016/j.ijhydene.2015.05.063 doi GBVA2015012000003.pica (DE-627)ELV018554369 (ELSEVIER)S0360-3199(15)01221-5 DE-627 ger DE-627 rakwb eng 660 620 660 DE-600 620 DE-600 610 VZ 44.94 bkl Krüger, Andries J. verfasserin aut Evaluation of covalently and ionically cross-linked PBI-excess blends for application in SO2 electrolysis 2015transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Proton exchange membranes (PEM) containing various combinations of PPOBr (pol(2,6-dimethylbromide-1,4-phenylene oxide, covalently cross-linked) or PWN (poly(tetrafluorostyrene-4-phosphonic acid), ionically cross-linked) were evaluated for their suitability in an SO2 electrolyser environment. Since H2SO4 is produced during the oxidation of SO2 in the presence of water, the membranes used in the electrolyser must be both chemically and electrochemically stable. Acid stability tests showed that the blend membranes are stable in 80 wt % acidic media at 80 °C for 120 h. The electrochemical characterisation included polarisation curves, voltage stepping and long term operation. Using polarisation curves two blend combinations were selected for the voltage stepping. Both types of blend membranes showed high stability up to 110 cycles while the F6PBI/PPOBr blend membrane had comparable (to N115®) long term operating voltage, while the F6PBI/PWN blend membrane showed improved voltage, attaining 0.781 V compared to the 0.812 V obtained when using N115 at 0.1 A cm−2. Proton exchange membranes (PEM) containing various combinations of PPOBr (pol(2,6-dimethylbromide-1,4-phenylene oxide, covalently cross-linked) or PWN (poly(tetrafluorostyrene-4-phosphonic acid), ionically cross-linked) were evaluated for their suitability in an SO2 electrolyser environment. Since H2SO4 is produced during the oxidation of SO2 in the presence of water, the membranes used in the electrolyser must be both chemically and electrochemically stable. Acid stability tests showed that the blend membranes are stable in 80 wt % acidic media at 80 °C for 120 h. The electrochemical characterisation included polarisation curves, voltage stepping and long term operation. Using polarisation curves two blend combinations were selected for the voltage stepping. Both types of blend membranes showed high stability up to 110 cycles while the F6PBI/PPOBr blend membrane had comparable (to N115®) long term operating voltage, while the F6PBI/PWN blend membrane showed improved voltage, attaining 0.781 V compared to the 0.812 V obtained when using N115 at 0.1 A cm−2. Voltage stepping Elsevier Long term operation Elsevier Ionically cross-linked Elsevier SO2 electrolysis Elsevier F6PBI blend proton exchange membranes Elsevier Covalently cross-linked Elsevier Kerres, Jochen oth Bessarabov, Dmitri oth Krieg, Henning M. oth Enthalten in Elsevier Dedhia, Kavita ELSEVIER External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs 2018 official journal of the International Association for Hydrogen Energy New York, NY [u.a.] (DE-627)ELV000127019 volume:40 year:2015 number:29 day:3 month:08 pages:8788-8796 extent:9 https://doi.org/10.1016/j.ijhydene.2015.05.063 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 40 2015 29 3 0803 8788-8796 9 045F 660 |
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Enthalten in External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs New York, NY [u.a.] volume:40 year:2015 number:29 day:3 month:08 pages:8788-8796 extent:9 |
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Enthalten in External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs New York, NY [u.a.] volume:40 year:2015 number:29 day:3 month:08 pages:8788-8796 extent:9 |
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Krüger, Andries J. |
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External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs |
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evaluation of covalently and ionically cross-linked pbi-excess blends for application in so2 electrolysis |
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Evaluation of covalently and ionically cross-linked PBI-excess blends for application in SO2 electrolysis |
| abstract |
Proton exchange membranes (PEM) containing various combinations of PPOBr (pol(2,6-dimethylbromide-1,4-phenylene oxide, covalently cross-linked) or PWN (poly(tetrafluorostyrene-4-phosphonic acid), ionically cross-linked) were evaluated for their suitability in an SO2 electrolyser environment. Since H2SO4 is produced during the oxidation of SO2 in the presence of water, the membranes used in the electrolyser must be both chemically and electrochemically stable. Acid stability tests showed that the blend membranes are stable in 80 wt % acidic media at 80 °C for 120 h. The electrochemical characterisation included polarisation curves, voltage stepping and long term operation. Using polarisation curves two blend combinations were selected for the voltage stepping. Both types of blend membranes showed high stability up to 110 cycles while the F6PBI/PPOBr blend membrane had comparable (to N115®) long term operating voltage, while the F6PBI/PWN blend membrane showed improved voltage, attaining 0.781 V compared to the 0.812 V obtained when using N115 at 0.1 A cm−2. |
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Proton exchange membranes (PEM) containing various combinations of PPOBr (pol(2,6-dimethylbromide-1,4-phenylene oxide, covalently cross-linked) or PWN (poly(tetrafluorostyrene-4-phosphonic acid), ionically cross-linked) were evaluated for their suitability in an SO2 electrolyser environment. Since H2SO4 is produced during the oxidation of SO2 in the presence of water, the membranes used in the electrolyser must be both chemically and electrochemically stable. Acid stability tests showed that the blend membranes are stable in 80 wt % acidic media at 80 °C for 120 h. The electrochemical characterisation included polarisation curves, voltage stepping and long term operation. Using polarisation curves two blend combinations were selected for the voltage stepping. Both types of blend membranes showed high stability up to 110 cycles while the F6PBI/PPOBr blend membrane had comparable (to N115®) long term operating voltage, while the F6PBI/PWN blend membrane showed improved voltage, attaining 0.781 V compared to the 0.812 V obtained when using N115 at 0.1 A cm−2. |
| abstract_unstemmed |
Proton exchange membranes (PEM) containing various combinations of PPOBr (pol(2,6-dimethylbromide-1,4-phenylene oxide, covalently cross-linked) or PWN (poly(tetrafluorostyrene-4-phosphonic acid), ionically cross-linked) were evaluated for their suitability in an SO2 electrolyser environment. Since H2SO4 is produced during the oxidation of SO2 in the presence of water, the membranes used in the electrolyser must be both chemically and electrochemically stable. Acid stability tests showed that the blend membranes are stable in 80 wt % acidic media at 80 °C for 120 h. The electrochemical characterisation included polarisation curves, voltage stepping and long term operation. Using polarisation curves two blend combinations were selected for the voltage stepping. Both types of blend membranes showed high stability up to 110 cycles while the F6PBI/PPOBr blend membrane had comparable (to N115®) long term operating voltage, while the F6PBI/PWN blend membrane showed improved voltage, attaining 0.781 V compared to the 0.812 V obtained when using N115 at 0.1 A cm−2. |
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Evaluation of covalently and ionically cross-linked PBI-excess blends for application in SO2 electrolysis |
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