High-Power Hydro-Actuators Fabricated from Biomimetic Carbon Nanotube Coiled Yarns with Fast Electrothermal Recovery
Bioinspired yarn/fiber structured hydro-actuators have recently attracted significant attention. However, most water-driven mechanical actuators are unsatisfactory because of the slow recovery process and low full-time power density. A rapidly recoverable high-power hydro-actuator is reported by des...
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| Veröffentlicht in: | Nano letters 2022-03, Vol.22 (6), p.2470-2478 |
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| container_title | Nano letters |
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| creator | Son, Wonkyeong Lee, Jae Myeong Kim, Shi Hyeong Kim, Hyeon Woo Cho, Sung Beom Suh, Dongseok Chun, Sungwoo Choi, Changsoon |
| description | Bioinspired yarn/fiber structured hydro-actuators have recently attracted significant attention. However, most water-driven mechanical actuators are unsatisfactory because of the slow recovery process and low full-time power density. A rapidly recoverable high-power hydro-actuator is reported by designing biomimetic carbon nanotube (CNT) yarns. The hydrophilic CNT (HCNT) coiled yarn was prepared by storing pre-twist into CNT sheets and subsequent electrochemical oxidation (ECO) treatment. The resulting yarn demonstrated structural stability even when one end was cut off without the possible loss of pre-stored twists. The HCNT coiled yarn actuators provided maximal contractile work of 863 J/kg at 11.8 MPa stress when driven by water. Moreover, the recovery time of electrically heated yarns at a direct current voltage of 5 V was 95% shorter than that of neat yarns without electric heating. Finally, the electrothermally recoverable hydro-actuators showed a high actuation frequency (0.17 Hz) and full-time power density (143.8 W/kg). |
| doi_str_mv | 10.1021/acs.nanolett.2c00250 |
| format | Article |
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However, most water-driven mechanical actuators are unsatisfactory because of the slow recovery process and low full-time power density. A rapidly recoverable high-power hydro-actuator is reported by designing biomimetic carbon nanotube (CNT) yarns. The hydrophilic CNT (HCNT) coiled yarn was prepared by storing pre-twist into CNT sheets and subsequent electrochemical oxidation (ECO) treatment. The resulting yarn demonstrated structural stability even when one end was cut off without the possible loss of pre-stored twists. The HCNT coiled yarn actuators provided maximal contractile work of 863 J/kg at 11.8 MPa stress when driven by water. Moreover, the recovery time of electrically heated yarns at a direct current voltage of 5 V was 95% shorter than that of neat yarns without electric heating. Finally, the electrothermally recoverable hydro-actuators showed a high actuation frequency (0.17 Hz) and full-time power density (143.8 W/kg).</description><identifier>ISSN: 1530-6984</identifier><identifier>EISSN: 1530-6992</identifier><identifier>DOI: 10.1021/acs.nanolett.2c00250</identifier><identifier>PMID: 35254078</identifier><language>eng</language><publisher>United States: American Chemical Society</publisher><subject>Biomimetics ; Electricity ; Muscle Contraction ; Nanotubes, Carbon - chemistry ; Water</subject><ispartof>Nano letters, 2022-03, Vol.22 (6), p.2470-2478</ispartof><rights>2022 American Chemical Society</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a348t-d8b3078f56b0eb6ab0b203c2a3e89b1f28359b9a1ffb243b597d25bfde10b0f43</citedby><cites>FETCH-LOGICAL-a348t-d8b3078f56b0eb6ab0b203c2a3e89b1f28359b9a1ffb243b597d25bfde10b0f43</cites><orcidid>0000-0003-4456-4548 ; 0000-0002-3151-0113 ; 0000-0002-0392-3391</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/acs.nanolett.2c00250$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/acs.nanolett.2c00250$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,776,780,2752,27053,27901,27902,56713,56763</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/35254078$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Son, Wonkyeong</creatorcontrib><creatorcontrib>Lee, Jae Myeong</creatorcontrib><creatorcontrib>Kim, Shi Hyeong</creatorcontrib><creatorcontrib>Kim, Hyeon Woo</creatorcontrib><creatorcontrib>Cho, Sung Beom</creatorcontrib><creatorcontrib>Suh, Dongseok</creatorcontrib><creatorcontrib>Chun, Sungwoo</creatorcontrib><creatorcontrib>Choi, Changsoon</creatorcontrib><title>High-Power Hydro-Actuators Fabricated from Biomimetic Carbon Nanotube Coiled Yarns with Fast Electrothermal Recovery</title><title>Nano letters</title><addtitle>Nano Lett</addtitle><description>Bioinspired yarn/fiber structured hydro-actuators have recently attracted significant attention. However, most water-driven mechanical actuators are unsatisfactory because of the slow recovery process and low full-time power density. A rapidly recoverable high-power hydro-actuator is reported by designing biomimetic carbon nanotube (CNT) yarns. The hydrophilic CNT (HCNT) coiled yarn was prepared by storing pre-twist into CNT sheets and subsequent electrochemical oxidation (ECO) treatment. The resulting yarn demonstrated structural stability even when one end was cut off without the possible loss of pre-stored twists. The HCNT coiled yarn actuators provided maximal contractile work of 863 J/kg at 11.8 MPa stress when driven by water. Moreover, the recovery time of electrically heated yarns at a direct current voltage of 5 V was 95% shorter than that of neat yarns without electric heating. Finally, the electrothermally recoverable hydro-actuators showed a high actuation frequency (0.17 Hz) and full-time power density (143.8 W/kg).</description><subject>Biomimetics</subject><subject>Electricity</subject><subject>Muscle Contraction</subject><subject>Nanotubes, Carbon - chemistry</subject><subject>Water</subject><issn>1530-6984</issn><issn>1530-6992</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kD1PwzAQhi0E4vsfIOSRJeVix2kyQlUoEgKEYGCKbOdMjZIYbAfUf49RCyPT3fC89_EQcpLDJAeWn0sdJoMcXIcxTpgGYAK2yH4uOGRlXbPtv74q9shBCG8AUHMBu2SPCyYKmFb7JC7s6zJ7cF_o6WLVepdd6DjK6HygV1J5q2XElhrvenppXW97jFbTmfTKDfQu7Y-jQjpztkvYi_RDoF82LlM4RDrvUEfv4hJ9Lzv6iNp9ol8dkR0ju4DHm3pInq_mT7NFdnt_fTO7uM0kL6qYtZXi6UgjSgWoSqlAMeCaSY5VrXLDKi5qVcvcGMUKrkQ9bZlQpsUcFJiCH5Kz9dx37z5GDLHpbdDYdXJAN4aGlbysynpalAkt1qj2LgSPpnn3tpd-1eTQ_Phuku_m13ez8Z1ip5sNo-qx_Qv9Ck4ArIGf-Jsb_ZAe_n_mN36zkcU</recordid><startdate>20220323</startdate><enddate>20220323</enddate><creator>Son, Wonkyeong</creator><creator>Lee, Jae Myeong</creator><creator>Kim, Shi Hyeong</creator><creator>Kim, Hyeon Woo</creator><creator>Cho, Sung Beom</creator><creator>Suh, Dongseok</creator><creator>Chun, Sungwoo</creator><creator>Choi, Changsoon</creator><general>American Chemical Society</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0003-4456-4548</orcidid><orcidid>https://orcid.org/0000-0002-3151-0113</orcidid><orcidid>https://orcid.org/0000-0002-0392-3391</orcidid></search><sort><creationdate>20220323</creationdate><title>High-Power Hydro-Actuators Fabricated from Biomimetic Carbon Nanotube Coiled Yarns with Fast Electrothermal Recovery</title><author>Son, Wonkyeong ; Lee, Jae Myeong ; Kim, Shi Hyeong ; Kim, Hyeon Woo ; Cho, Sung Beom ; Suh, Dongseok ; Chun, Sungwoo ; Choi, Changsoon</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a348t-d8b3078f56b0eb6ab0b203c2a3e89b1f28359b9a1ffb243b597d25bfde10b0f43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Biomimetics</topic><topic>Electricity</topic><topic>Muscle Contraction</topic><topic>Nanotubes, Carbon - chemistry</topic><topic>Water</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Son, Wonkyeong</creatorcontrib><creatorcontrib>Lee, Jae Myeong</creatorcontrib><creatorcontrib>Kim, Shi Hyeong</creatorcontrib><creatorcontrib>Kim, Hyeon Woo</creatorcontrib><creatorcontrib>Cho, Sung Beom</creatorcontrib><creatorcontrib>Suh, Dongseok</creatorcontrib><creatorcontrib>Chun, Sungwoo</creatorcontrib><creatorcontrib>Choi, Changsoon</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Nano letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Son, Wonkyeong</au><au>Lee, Jae Myeong</au><au>Kim, Shi Hyeong</au><au>Kim, Hyeon Woo</au><au>Cho, Sung Beom</au><au>Suh, Dongseok</au><au>Chun, Sungwoo</au><au>Choi, Changsoon</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>High-Power Hydro-Actuators Fabricated from Biomimetic Carbon Nanotube Coiled Yarns with Fast Electrothermal Recovery</atitle><jtitle>Nano letters</jtitle><addtitle>Nano Lett</addtitle><date>2022-03-23</date><risdate>2022</risdate><volume>22</volume><issue>6</issue><spage>2470</spage><epage>2478</epage><pages>2470-2478</pages><issn>1530-6984</issn><eissn>1530-6992</eissn><abstract>Bioinspired yarn/fiber structured hydro-actuators have recently attracted significant attention. However, most water-driven mechanical actuators are unsatisfactory because of the slow recovery process and low full-time power density. A rapidly recoverable high-power hydro-actuator is reported by designing biomimetic carbon nanotube (CNT) yarns. The hydrophilic CNT (HCNT) coiled yarn was prepared by storing pre-twist into CNT sheets and subsequent electrochemical oxidation (ECO) treatment. The resulting yarn demonstrated structural stability even when one end was cut off without the possible loss of pre-stored twists. The HCNT coiled yarn actuators provided maximal contractile work of 863 J/kg at 11.8 MPa stress when driven by water. Moreover, the recovery time of electrically heated yarns at a direct current voltage of 5 V was 95% shorter than that of neat yarns without electric heating. Finally, the electrothermally recoverable hydro-actuators showed a high actuation frequency (0.17 Hz) and full-time power density (143.8 W/kg).</abstract><cop>United States</cop><pub>American Chemical Society</pub><pmid>35254078</pmid><doi>10.1021/acs.nanolett.2c00250</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0003-4456-4548</orcidid><orcidid>https://orcid.org/0000-0002-3151-0113</orcidid><orcidid>https://orcid.org/0000-0002-0392-3391</orcidid></addata></record> |
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| source | ACS Publications; MEDLINE |
| subjects | Biomimetics Electricity Muscle Contraction Nanotubes, Carbon - chemistry Water |
| title | High-Power Hydro-Actuators Fabricated from Biomimetic Carbon Nanotube Coiled Yarns with Fast Electrothermal Recovery |
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