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Influence of Supporting Electrolyte on Hydroxide Exchange Membrane Water Electrolysis Performance: Anolyte
Hydroxide-exchange-membrane water electrolysis (HEMWE) is an emerging hydrogen-production pathway that combines many advantages of incumbent alkaline water electrolysis (AWE) and proton-exchange-membrane water electrolysis (PEMWE). Advancement in HEMWE has been accelerated with the development of st...
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| Published in: | Journal of the Electrochemical Society 2021-08, Vol.168 (8), p.84512 |
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| container_title | Journal of the Electrochemical Society |
| container_volume | 168 |
| creator | Kiessling, Aleksandr Fornaciari, Julie C. Anderson, Grace Peng, Xiong Gerstmayr, Andreas Gerhardt, Michael R. McKinney, Samuel Serov, Alexey Kim, Yu Seung Zulevi, Barr Weber, Adam Z. Danilovic, Nemanja |
| description | Hydroxide-exchange-membrane water electrolysis (HEMWE) is an emerging hydrogen-production pathway that combines many advantages of incumbent alkaline water electrolysis (AWE) and proton-exchange-membrane water electrolysis (PEMWE). Advancement in HEMWE has been accelerated with the development of stable and conductive hydroxide exchange membranes (HEMs) and a more comprehensive understanding of alkaline gas-evolving kinetics. However, performance and durability without supporting electrolytes (SELs) remain inferior to PEMWE and AWE and little is known about the role and impact of the SELs. This study investigates the effects of SELs used as anolyte solutions in HEMWEs including cation-type, anion-type, SEL conductivity and pH, presence of carbonates and increased cation/OH
−
ratios on cell voltage and stability. We report our findings that (i) cell potential and high-frequency resistance did not correlate with anolyte SEL conductivity, (ii) cation-type influences cell voltage at low current densities ( |
| doi_str_mv | 10.1149/1945-7111/ac1dcd |
| format | article |
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−
ratios on cell voltage and stability. We report our findings that (i) cell potential and high-frequency resistance did not correlate with anolyte SEL conductivity, (ii) cation-type influences cell voltage at low current densities (<50 mA cm
−2
) as predicted by half-cell measurements, (iii) increased cation/OH
−
ratio causes increased overpotentials, and (iv) carbonates are exchanged in the HEM but removed via self-purging at high current density. Overall, this study concludes that concentrated KOH is still the best SEL.</description><identifier>ISSN: 0013-4651</identifier><identifier>EISSN: 1945-7111</identifier><identifier>DOI: 10.1149/1945-7111/ac1dcd</identifier><identifier>CODEN: JESOAN</identifier><language>eng</language><publisher>United States: IOP Publishing</publisher><subject>AEMWE ; alkaline exchange membrane ; Electrocatalysis ; Electrolysis ; Energy Sciences ; HEMWE ; Hydroxide exchange membrane ; INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY</subject><ispartof>Journal of the Electrochemical Society, 2021-08, Vol.168 (8), p.84512</ispartof><rights>2021 The Author(s). Published on behalf of The Electrochemical Society by IOP Publishing Limited</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c382t-3717cc59c5792c68c22aa9a937e145f5833a05f1db188a11eec4a620a92dc8fb3</citedby><cites>FETCH-LOGICAL-c382t-3717cc59c5792c68c22aa9a937e145f5833a05f1db188a11eec4a620a92dc8fb3</cites><orcidid>0000-0001-8737-5830 ; 0000-0002-2723-5024 ; 0000-0002-0473-2298 ; 0000-0002-7749-1624 ; 0000-0003-2036-6977 ; 0000-0003-3182-4726 ; 0000-0002-5446-3890 ; 0000-0003-1696-945X ; 0000-0002-1272-3607 ; 000000031696945X ; 0000000187375830 ; 0000000204732298 ; 0000000212723607 ; 0000000227235024 ; 0000000331824726 ; 0000000277491624 ; 0000000320366977 ; 0000000254463890</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27903,27904</link.rule.ids><backlink>$$Uhttps://www.osti.gov/servlets/purl/1825700$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Kiessling, Aleksandr</creatorcontrib><creatorcontrib>Fornaciari, Julie C.</creatorcontrib><creatorcontrib>Anderson, Grace</creatorcontrib><creatorcontrib>Peng, Xiong</creatorcontrib><creatorcontrib>Gerstmayr, Andreas</creatorcontrib><creatorcontrib>Gerhardt, Michael R.</creatorcontrib><creatorcontrib>McKinney, Samuel</creatorcontrib><creatorcontrib>Serov, Alexey</creatorcontrib><creatorcontrib>Kim, Yu Seung</creatorcontrib><creatorcontrib>Zulevi, Barr</creatorcontrib><creatorcontrib>Weber, Adam Z.</creatorcontrib><creatorcontrib>Danilovic, Nemanja</creatorcontrib><creatorcontrib>Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)</creatorcontrib><creatorcontrib>Los Alamos National Lab. (LANL), Los Alamos, NM (United States)</creatorcontrib><title>Influence of Supporting Electrolyte on Hydroxide Exchange Membrane Water Electrolysis Performance: Anolyte</title><title>Journal of the Electrochemical Society</title><addtitle>JES</addtitle><addtitle>J. Electrochem. Soc</addtitle><description>Hydroxide-exchange-membrane water electrolysis (HEMWE) is an emerging hydrogen-production pathway that combines many advantages of incumbent alkaline water electrolysis (AWE) and proton-exchange-membrane water electrolysis (PEMWE). Advancement in HEMWE has been accelerated with the development of stable and conductive hydroxide exchange membranes (HEMs) and a more comprehensive understanding of alkaline gas-evolving kinetics. However, performance and durability without supporting electrolytes (SELs) remain inferior to PEMWE and AWE and little is known about the role and impact of the SELs. This study investigates the effects of SELs used as anolyte solutions in HEMWEs including cation-type, anion-type, SEL conductivity and pH, presence of carbonates and increased cation/OH
−
ratios on cell voltage and stability. We report our findings that (i) cell potential and high-frequency resistance did not correlate with anolyte SEL conductivity, (ii) cation-type influences cell voltage at low current densities (<50 mA cm
−2
) as predicted by half-cell measurements, (iii) increased cation/OH
−
ratio causes increased overpotentials, and (iv) carbonates are exchanged in the HEM but removed via self-purging at high current density. Overall, this study concludes that concentrated KOH is still the best SEL.</description><subject>AEMWE</subject><subject>alkaline exchange membrane</subject><subject>Electrocatalysis</subject><subject>Electrolysis</subject><subject>Energy Sciences</subject><subject>HEMWE</subject><subject>Hydroxide exchange membrane</subject><subject>INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY</subject><issn>0013-4651</issn><issn>1945-7111</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp1kDFPwzAQhS0EEqWwM1pMDIT6kjhx2CpUaKUikAAxWu7FbhO1dmSnUvvvSQmCBabT3b336e4RcgnsFiAtRlCkPMoBYKQQSiyPyOBndEwGjEESpRmHU3IWQt21INJ8QOqZNeuttqipM_R12zTOt5Vd0slaY-vdet92G0un-9K7XVVqOtnhStmlpk96s_DKavqhWu1_DaEK9EV74_xGddw7OrZfmHNyYtQ66IvvOiTvD5O3-2k0f36c3Y_nESYibqMkhxyRF8jzIsZMYBwrVagiyTWk3HCRJIpxA-UChFAAWmOqspipIi5RmEUyJFc914W2kgGrVuMKnbXdfRJEzHPGOhHrRehdCF4b2fhqo_xeApOHQOUhPXlIT_aBdpbr3lK5RtZu6233hax1kJAJKSQTKYdYNqXppDd_SP8lfwIm5obV</recordid><startdate>20210801</startdate><enddate>20210801</enddate><creator>Kiessling, Aleksandr</creator><creator>Fornaciari, Julie C.</creator><creator>Anderson, Grace</creator><creator>Peng, Xiong</creator><creator>Gerstmayr, Andreas</creator><creator>Gerhardt, Michael R.</creator><creator>McKinney, Samuel</creator><creator>Serov, Alexey</creator><creator>Kim, Yu Seung</creator><creator>Zulevi, Barr</creator><creator>Weber, Adam Z.</creator><creator>Danilovic, Nemanja</creator><general>IOP Publishing</general><scope>O3W</scope><scope>TSCCA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>OIOZB</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0001-8737-5830</orcidid><orcidid>https://orcid.org/0000-0002-2723-5024</orcidid><orcidid>https://orcid.org/0000-0002-0473-2298</orcidid><orcidid>https://orcid.org/0000-0002-7749-1624</orcidid><orcidid>https://orcid.org/0000-0003-2036-6977</orcidid><orcidid>https://orcid.org/0000-0003-3182-4726</orcidid><orcidid>https://orcid.org/0000-0002-5446-3890</orcidid><orcidid>https://orcid.org/0000-0003-1696-945X</orcidid><orcidid>https://orcid.org/0000-0002-1272-3607</orcidid><orcidid>https://orcid.org/000000031696945X</orcidid><orcidid>https://orcid.org/0000000187375830</orcidid><orcidid>https://orcid.org/0000000204732298</orcidid><orcidid>https://orcid.org/0000000212723607</orcidid><orcidid>https://orcid.org/0000000227235024</orcidid><orcidid>https://orcid.org/0000000331824726</orcidid><orcidid>https://orcid.org/0000000277491624</orcidid><orcidid>https://orcid.org/0000000320366977</orcidid><orcidid>https://orcid.org/0000000254463890</orcidid></search><sort><creationdate>20210801</creationdate><title>Influence of Supporting Electrolyte on Hydroxide Exchange Membrane Water Electrolysis Performance: Anolyte</title><author>Kiessling, Aleksandr ; Fornaciari, Julie C. ; Anderson, Grace ; Peng, Xiong ; Gerstmayr, Andreas ; Gerhardt, Michael R. ; McKinney, Samuel ; Serov, Alexey ; Kim, Yu Seung ; Zulevi, Barr ; Weber, Adam Z. ; Danilovic, Nemanja</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c382t-3717cc59c5792c68c22aa9a937e145f5833a05f1db188a11eec4a620a92dc8fb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>AEMWE</topic><topic>alkaline exchange membrane</topic><topic>Electrocatalysis</topic><topic>Electrolysis</topic><topic>Energy Sciences</topic><topic>HEMWE</topic><topic>Hydroxide exchange membrane</topic><topic>INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kiessling, Aleksandr</creatorcontrib><creatorcontrib>Fornaciari, Julie C.</creatorcontrib><creatorcontrib>Anderson, Grace</creatorcontrib><creatorcontrib>Peng, Xiong</creatorcontrib><creatorcontrib>Gerstmayr, Andreas</creatorcontrib><creatorcontrib>Gerhardt, Michael R.</creatorcontrib><creatorcontrib>McKinney, Samuel</creatorcontrib><creatorcontrib>Serov, Alexey</creatorcontrib><creatorcontrib>Kim, Yu Seung</creatorcontrib><creatorcontrib>Zulevi, Barr</creatorcontrib><creatorcontrib>Weber, Adam Z.</creatorcontrib><creatorcontrib>Danilovic, Nemanja</creatorcontrib><creatorcontrib>Lawrence Berkeley National Lab. 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(LANL), Los Alamos, NM (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of Supporting Electrolyte on Hydroxide Exchange Membrane Water Electrolysis Performance: Anolyte</atitle><jtitle>Journal of the Electrochemical Society</jtitle><stitle>JES</stitle><addtitle>J. Electrochem. Soc</addtitle><date>2021-08-01</date><risdate>2021</risdate><volume>168</volume><issue>8</issue><spage>84512</spage><pages>84512-</pages><issn>0013-4651</issn><eissn>1945-7111</eissn><coden>JESOAN</coden><abstract>Hydroxide-exchange-membrane water electrolysis (HEMWE) is an emerging hydrogen-production pathway that combines many advantages of incumbent alkaline water electrolysis (AWE) and proton-exchange-membrane water electrolysis (PEMWE). Advancement in HEMWE has been accelerated with the development of stable and conductive hydroxide exchange membranes (HEMs) and a more comprehensive understanding of alkaline gas-evolving kinetics. However, performance and durability without supporting electrolytes (SELs) remain inferior to PEMWE and AWE and little is known about the role and impact of the SELs. This study investigates the effects of SELs used as anolyte solutions in HEMWEs including cation-type, anion-type, SEL conductivity and pH, presence of carbonates and increased cation/OH
−
ratios on cell voltage and stability. We report our findings that (i) cell potential and high-frequency resistance did not correlate with anolyte SEL conductivity, (ii) cation-type influences cell voltage at low current densities (<50 mA cm
−2
) as predicted by half-cell measurements, (iii) increased cation/OH
−
ratio causes increased overpotentials, and (iv) carbonates are exchanged in the HEM but removed via self-purging at high current density. Overall, this study concludes that concentrated KOH is still the best SEL.</abstract><cop>United States</cop><pub>IOP Publishing</pub><doi>10.1149/1945-7111/ac1dcd</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0001-8737-5830</orcidid><orcidid>https://orcid.org/0000-0002-2723-5024</orcidid><orcidid>https://orcid.org/0000-0002-0473-2298</orcidid><orcidid>https://orcid.org/0000-0002-7749-1624</orcidid><orcidid>https://orcid.org/0000-0003-2036-6977</orcidid><orcidid>https://orcid.org/0000-0003-3182-4726</orcidid><orcidid>https://orcid.org/0000-0002-5446-3890</orcidid><orcidid>https://orcid.org/0000-0003-1696-945X</orcidid><orcidid>https://orcid.org/0000-0002-1272-3607</orcidid><orcidid>https://orcid.org/000000031696945X</orcidid><orcidid>https://orcid.org/0000000187375830</orcidid><orcidid>https://orcid.org/0000000204732298</orcidid><orcidid>https://orcid.org/0000000212723607</orcidid><orcidid>https://orcid.org/0000000227235024</orcidid><orcidid>https://orcid.org/0000000331824726</orcidid><orcidid>https://orcid.org/0000000277491624</orcidid><orcidid>https://orcid.org/0000000320366977</orcidid><orcidid>https://orcid.org/0000000254463890</orcidid><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| source | Institute of Physics |
| subjects | AEMWE alkaline exchange membrane Electrocatalysis Electrolysis Energy Sciences HEMWE Hydroxide exchange membrane INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY |
| title | Influence of Supporting Electrolyte on Hydroxide Exchange Membrane Water Electrolysis Performance: Anolyte |
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