Structure design and control strategy of a new alkaline water electrolyzer based on heat exchange
Summary The overall energy conversion efficiency and the power regulation performance of the volatile renewable energy alkaline water electrolyzer (AWE) hydrogen production system need to be improved. Efficient use of heat in the electrolysis process and optimization of the control strategy are tech...
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| Veröffentlicht in: | International journal of energy research 2019-07, Vol.43 (9), p.4729-4742 |
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| container_title | International journal of energy research |
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| creator | Shen, Xiaojun Zhang, Xiaoyun Lv, Hong Li, Guojie Lie, Tek‐Tjing |
| description | Summary
The overall energy conversion efficiency and the power regulation performance of the volatile renewable energy alkaline water electrolyzer (AWE) hydrogen production system need to be improved. Efficient use of heat in the electrolysis process and optimization of the control strategy are technically feasible. According to the concept of heat exchange utilization, this paper proposes a series parallel modular structure of AWE, which realizes heat exchange and utilization between modules. Based on the electrothermal characteristics of AWE and the power fluctuation characteristics of volatile energy, the function positioning and control strategy of the module are proposed. Theoretical analysis, together with a case study, has been conducted to show the overall efficiency and power regulation characteristics of the traditional AWE, the traditional combined AWE and the proposed new AWE under various working scenarios. Research study results show that the proposed new structure and control strategy can effectively improve the overall energy efficiency and static as well as dynamic power regulation characteristics of the electrolyzer, with the energy efficiency increased up to 16%. Although the static power range decreases slightly in some conditions, it always maintains the ability of wide range regulation. The findings can provide reference for the research and development of new AWE that improve the power response capability and the comprehensive utilization of energy under the premise of ensuring a certain power adjustment range.
Based on the electrothermal characteristics of the alkaline water electrolyzer (AWE), the internal parallel modular structure used to realize the exchange of heat energy between modules, improved the comprehensive energy conversion efficiency of the AWE;
For wind power fluctuation characteristics, the module function division and control strategy is proposed to improve the dynamic power regulation characteristics of the AWE.
Research results show that the proposed new structure and control strategy can effectively improve the overall energy efficiency and power regulation characteristics of the electrolyzer, with the energy efficiency increased up to 16%，which provide a reference for the research and development of new AWE for wind power consumption |
| doi_str_mv | 10.1002/er.4612 |
| format | Article |
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The overall energy conversion efficiency and the power regulation performance of the volatile renewable energy alkaline water electrolyzer (AWE) hydrogen production system need to be improved. Efficient use of heat in the electrolysis process and optimization of the control strategy are technically feasible. According to the concept of heat exchange utilization, this paper proposes a series parallel modular structure of AWE, which realizes heat exchange and utilization between modules. Based on the electrothermal characteristics of AWE and the power fluctuation characteristics of volatile energy, the function positioning and control strategy of the module are proposed. Theoretical analysis, together with a case study, has been conducted to show the overall efficiency and power regulation characteristics of the traditional AWE, the traditional combined AWE and the proposed new AWE under various working scenarios. Research study results show that the proposed new structure and control strategy can effectively improve the overall energy efficiency and static as well as dynamic power regulation characteristics of the electrolyzer, with the energy efficiency increased up to 16%. Although the static power range decreases slightly in some conditions, it always maintains the ability of wide range regulation. The findings can provide reference for the research and development of new AWE that improve the power response capability and the comprehensive utilization of energy under the premise of ensuring a certain power adjustment range.
Based on the electrothermal characteristics of the alkaline water electrolyzer (AWE), the internal parallel modular structure used to realize the exchange of heat energy between modules, improved the comprehensive energy conversion efficiency of the AWE;
For wind power fluctuation characteristics, the module function division and control strategy is proposed to improve the dynamic power regulation characteristics of the AWE.
Research results show that the proposed new structure and control strategy can effectively improve the overall energy efficiency and power regulation characteristics of the electrolyzer, with the energy efficiency increased up to 16%，which provide a reference for the research and development of new AWE for wind power consumption</description><identifier>ISSN: 0363-907X</identifier><identifier>EISSN: 1099-114X</identifier><identifier>DOI: 10.1002/er.4612</identifier><language>eng</language><publisher>Bognor Regis: Hindawi Limited</publisher><subject>Alkaline water ; alkaline water electrolyzer ; Control ; control strategy ; Efficiency ; Electrolysis ; Energy ; Energy conversion ; Energy conversion efficiency ; Energy efficiency ; Energy utilization ; Environmental management ; Heat ; Heat exchange ; Heat transfer ; Hydrogen production ; Modular structures ; Modules ; Optimization ; power regulation characteristic ; R&D ; Regulations ; Renewable energy ; Renewable resources ; Research & development ; Resource management ; Strategy ; structure design ; Theoretical analysis ; Utilization</subject><ispartof>International journal of energy research, 2019-07, Vol.43 (9), p.4729-4742</ispartof><rights>2019 John Wiley & Sons, Ltd.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4132-a9a46dfa9b9dc9027ece81a5807f5588dd50c670c745956a5a34fea99d8dfb643</citedby><cites>FETCH-LOGICAL-c4132-a9a46dfa9b9dc9027ece81a5807f5588dd50c670c745956a5a34fea99d8dfb643</cites><orcidid>0000-0002-5971-1259</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fer.4612$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fer.4612$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids></links><search><creatorcontrib>Shen, Xiaojun</creatorcontrib><creatorcontrib>Zhang, Xiaoyun</creatorcontrib><creatorcontrib>Lv, Hong</creatorcontrib><creatorcontrib>Li, Guojie</creatorcontrib><creatorcontrib>Lie, Tek‐Tjing</creatorcontrib><title>Structure design and control strategy of a new alkaline water electrolyzer based on heat exchange</title><title>International journal of energy research</title><description>Summary
The overall energy conversion efficiency and the power regulation performance of the volatile renewable energy alkaline water electrolyzer (AWE) hydrogen production system need to be improved. Efficient use of heat in the electrolysis process and optimization of the control strategy are technically feasible. According to the concept of heat exchange utilization, this paper proposes a series parallel modular structure of AWE, which realizes heat exchange and utilization between modules. Based on the electrothermal characteristics of AWE and the power fluctuation characteristics of volatile energy, the function positioning and control strategy of the module are proposed. Theoretical analysis, together with a case study, has been conducted to show the overall efficiency and power regulation characteristics of the traditional AWE, the traditional combined AWE and the proposed new AWE under various working scenarios. Research study results show that the proposed new structure and control strategy can effectively improve the overall energy efficiency and static as well as dynamic power regulation characteristics of the electrolyzer, with the energy efficiency increased up to 16%. Although the static power range decreases slightly in some conditions, it always maintains the ability of wide range regulation. The findings can provide reference for the research and development of new AWE that improve the power response capability and the comprehensive utilization of energy under the premise of ensuring a certain power adjustment range.
Based on the electrothermal characteristics of the alkaline water electrolyzer (AWE), the internal parallel modular structure used to realize the exchange of heat energy between modules, improved the comprehensive energy conversion efficiency of the AWE;
For wind power fluctuation characteristics, the module function division and control strategy is proposed to improve the dynamic power regulation characteristics of the AWE.
Research results show that the proposed new structure and control strategy can effectively improve the overall energy efficiency and power regulation characteristics of the electrolyzer, with the energy efficiency increased up to 16%，which provide a reference for the research and development of new AWE for wind power consumption</description><subject>Alkaline water</subject><subject>alkaline water electrolyzer</subject><subject>Control</subject><subject>control strategy</subject><subject>Efficiency</subject><subject>Electrolysis</subject><subject>Energy</subject><subject>Energy conversion</subject><subject>Energy conversion efficiency</subject><subject>Energy efficiency</subject><subject>Energy utilization</subject><subject>Environmental management</subject><subject>Heat</subject><subject>Heat exchange</subject><subject>Heat transfer</subject><subject>Hydrogen production</subject><subject>Modular structures</subject><subject>Modules</subject><subject>Optimization</subject><subject>power regulation characteristic</subject><subject>R&D</subject><subject>Regulations</subject><subject>Renewable energy</subject><subject>Renewable resources</subject><subject>Research & development</subject><subject>Resource management</subject><subject>Strategy</subject><subject>structure design</subject><subject>Theoretical analysis</subject><subject>Utilization</subject><issn>0363-907X</issn><issn>1099-114X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp10F1LwzAUBuAgCs4p_oWAF15IZ5I2bXMpY36AIPgBuwtnyenWWdOZpMz66-2ct14dDu_DOfAScs7ZhDMmrtFPspyLAzLiTKmE82x-SEYszdNEsWJ-TE5CWDM2ZLwYEXiJvjOx80gthnrpKDhLTeuibxsaooeIy562FQXqcEuheYemdki3Q-ApNmh2sv8elgUEtLR1dIUQKX6ZFbglnpKjCpqAZ39zTN5uZ6_T--Tx6e5hevOYmIynIgEFWW4rUAtljWKiQIMlB1myopKyLK2VzOQFM0UmlcxBQppVCErZ0laLPEvH5GJ_d-Pbzw5D1Ou28254qYXIhSzFUMugLvfK-DYEj5Xe-PoDfK8507v-NHq962-QV3u5rRvs_2N69vyrfwBrrXFF</recordid><startdate>201907</startdate><enddate>201907</enddate><creator>Shen, Xiaojun</creator><creator>Zhang, Xiaoyun</creator><creator>Lv, Hong</creator><creator>Li, Guojie</creator><creator>Lie, Tek‐Tjing</creator><general>Hindawi Limited</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7ST</scope><scope>7TB</scope><scope>7TN</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>F28</scope><scope>FR3</scope><scope>H96</scope><scope>KR7</scope><scope>L.G</scope><scope>L7M</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0002-5971-1259</orcidid></search><sort><creationdate>201907</creationdate><title>Structure design and control strategy of a new alkaline water electrolyzer based on heat exchange</title><author>Shen, Xiaojun ; Zhang, Xiaoyun ; Lv, Hong ; Li, Guojie ; Lie, Tek‐Tjing</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4132-a9a46dfa9b9dc9027ece81a5807f5588dd50c670c745956a5a34fea99d8dfb643</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Alkaline water</topic><topic>alkaline water electrolyzer</topic><topic>Control</topic><topic>control strategy</topic><topic>Efficiency</topic><topic>Electrolysis</topic><topic>Energy</topic><topic>Energy conversion</topic><topic>Energy conversion efficiency</topic><topic>Energy efficiency</topic><topic>Energy utilization</topic><topic>Environmental management</topic><topic>Heat</topic><topic>Heat exchange</topic><topic>Heat transfer</topic><topic>Hydrogen production</topic><topic>Modular structures</topic><topic>Modules</topic><topic>Optimization</topic><topic>power regulation characteristic</topic><topic>R&D</topic><topic>Regulations</topic><topic>Renewable energy</topic><topic>Renewable resources</topic><topic>Research & development</topic><topic>Resource management</topic><topic>Strategy</topic><topic>structure design</topic><topic>Theoretical analysis</topic><topic>Utilization</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shen, Xiaojun</creatorcontrib><creatorcontrib>Zhang, Xiaoyun</creatorcontrib><creatorcontrib>Lv, Hong</creatorcontrib><creatorcontrib>Li, Guojie</creatorcontrib><creatorcontrib>Lie, Tek‐Tjing</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Environment Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Civil Engineering Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><jtitle>International journal of energy research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shen, Xiaojun</au><au>Zhang, Xiaoyun</au><au>Lv, Hong</au><au>Li, Guojie</au><au>Lie, Tek‐Tjing</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Structure design and control strategy of a new alkaline water electrolyzer based on heat exchange</atitle><jtitle>International journal of energy research</jtitle><date>2019-07</date><risdate>2019</risdate><volume>43</volume><issue>9</issue><spage>4729</spage><epage>4742</epage><pages>4729-4742</pages><issn>0363-907X</issn><eissn>1099-114X</eissn><abstract>Summary
The overall energy conversion efficiency and the power regulation performance of the volatile renewable energy alkaline water electrolyzer (AWE) hydrogen production system need to be improved. Efficient use of heat in the electrolysis process and optimization of the control strategy are technically feasible. According to the concept of heat exchange utilization, this paper proposes a series parallel modular structure of AWE, which realizes heat exchange and utilization between modules. Based on the electrothermal characteristics of AWE and the power fluctuation characteristics of volatile energy, the function positioning and control strategy of the module are proposed. Theoretical analysis, together with a case study, has been conducted to show the overall efficiency and power regulation characteristics of the traditional AWE, the traditional combined AWE and the proposed new AWE under various working scenarios. Research study results show that the proposed new structure and control strategy can effectively improve the overall energy efficiency and static as well as dynamic power regulation characteristics of the electrolyzer, with the energy efficiency increased up to 16%. Although the static power range decreases slightly in some conditions, it always maintains the ability of wide range regulation. The findings can provide reference for the research and development of new AWE that improve the power response capability and the comprehensive utilization of energy under the premise of ensuring a certain power adjustment range.
Based on the electrothermal characteristics of the alkaline water electrolyzer (AWE), the internal parallel modular structure used to realize the exchange of heat energy between modules, improved the comprehensive energy conversion efficiency of the AWE;
For wind power fluctuation characteristics, the module function division and control strategy is proposed to improve the dynamic power regulation characteristics of the AWE.
Research results show that the proposed new structure and control strategy can effectively improve the overall energy efficiency and power regulation characteristics of the electrolyzer, with the energy efficiency increased up to 16%，which provide a reference for the research and development of new AWE for wind power consumption</abstract><cop>Bognor Regis</cop><pub>Hindawi Limited</pub><doi>10.1002/er.4612</doi><tpages>14</tpages><orcidid>https://orcid.org/0000-0002-5971-1259</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Alkaline water alkaline water electrolyzer Control control strategy Efficiency Electrolysis Energy Energy conversion Energy conversion efficiency Energy efficiency Energy utilization Environmental management Heat Heat exchange Heat transfer Hydrogen production Modular structures Modules Optimization power regulation characteristic R&D Regulations Renewable energy Renewable resources Research & development Resource management Strategy structure design Theoretical analysis Utilization |
| title | Structure design and control strategy of a new alkaline water electrolyzer based on heat exchange |
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