Zn anode with hydrophobic and ferroelectric P(VDF-TrFE) layers for dendrite-free aqueous Zn-ion batteries

[Display omitted] •The effects of hydrophobicity and ferroelectricity of artificial SEIs were investigated.•Spin-coated P(VDF-TrFE) layer on a zinc metal anode inhibits zinc dendrite growth and side reactions.•The uniform Zn plating achieved by the P(VDF-TrFE) layer inhibits zinc dendrite growth.•Bo...

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Published in:Applied surface science 2024-07, Vol.660, p.159982, Article 159982
Main Authors: Park, Hyeonghun, Seol, WooJun, Park, Geumyong, Anoop, Gopinathan, Kim, Jihun, Tamulevičius, Tomas, Tamulevičius, Sigitas, Joo, Soyun, Hong, Seungbum, Jo, Ji Young, Kim, Hyeong-Jin
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Language:English
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Aqueous Zn-ion battery
artificial SEI layer
Ferroelectricity
Hydrophobicity
Zn anode
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container_start_page 159982
container_title Applied surface science
container_volume 660
creator Park, Hyeonghun
Seol, WooJun
Park, Geumyong
Anoop, Gopinathan
Kim, Jihun
Tamulevičius, Tomas
Tamulevičius, Sigitas
Joo, Soyun
Hong, Seungbum
Jo, Ji Young
Kim, Hyeong-Jin
description [Display omitted] •The effects of hydrophobicity and ferroelectricity of artificial SEIs were investigated.•Spin-coated P(VDF-TrFE) layer on a zinc metal anode inhibits zinc dendrite growth and side reactions.•The uniform Zn plating achieved by the P(VDF-TrFE) layer inhibits zinc dendrite growth.•Both symmetrical cells and Zn/MnO2 full cells with P(VDF-TrFE)-coated Zn show stable electrochemical performance. Zn anodes are highly promising aqueous battery materials due to their abundant sources, environmental friendliness, and high theoretical capacity of 820mAh/g. Nevertheless, Zn undergoes dendritic growth and side reactions in mildly acidic electrolytes, leading to shorter cycling lifetimes. Herein, a layer of poly(vinylidene fluoride-co-trifluoroethylene) (P(VDF-TrFE)) was spin-coated onto a Zn anode to address this issue. The coated layer physically and electrically blocked contact between the Zn surface and the electrolyte due to its hydrophobic nature. Additionally, the ferroelectric properties of crystalline P(VDF-TrFE) (c-P(VDF-TrFE)) facilitated mass transport and homogenized the electric field, resulting in consistent plating and stripping of Zn ions beneath the film. As a result, the c-P(VDF-TrFE) coating on the Zn symmetric cell led to a stable overpotential (
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Zn anodes are highly promising aqueous battery materials due to their abundant sources, environmental friendliness, and high theoretical capacity of 820mAh/g. Nevertheless, Zn undergoes dendritic growth and side reactions in mildly acidic electrolytes, leading to shorter cycling lifetimes. Herein, a layer of poly(vinylidene fluoride-co-trifluoroethylene) (P(VDF-TrFE)) was spin-coated onto a Zn anode to address this issue. The coated layer physically and electrically blocked contact between the Zn surface and the electrolyte due to its hydrophobic nature. Additionally, the ferroelectric properties of crystalline P(VDF-TrFE) (c-P(VDF-TrFE)) facilitated mass transport and homogenized the electric field, resulting in consistent plating and stripping of Zn ions beneath the film. As a result, the c-P(VDF-TrFE) coating on the Zn symmetric cell led to a stable overpotential (&lt;40 mV) and long cycling lifetimes of more than 350 h (1 mA cm−2, 0.5mAh cm−2). Even with current conditions of 5 mA cm−2 and 0.5mAh cm−2, the c-P(VDF-TrFE)-coated Zn symmetric cell demonstrated stable operation for over 600 h. Furthermore, a Zn||MnO2 full cell exhibited high capacity retention after 1000 cycles.</description><identifier>ISSN: 0169-4332</identifier><identifier>DOI: 10.1016/j.apsusc.2024.159982</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Aqueous Zn-ion battery ; artificial SEI layer ; Ferroelectricity ; Hydrophobicity ; Zn anode</subject><ispartof>Applied surface science, 2024-07, Vol.660, p.159982, Article 159982</ispartof><rights>2024 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c255t-78096778aea49c59d1d4539e1c1e041183e64447ec3032cbfd9e5672cd13f68b3</cites><orcidid>0000-0002-4044-7013 ; 0000-0003-3879-2253 ; 0000-0002-7131-1813 ; 0000-0003-1663-7690 ; 0000-0002-9965-2724</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Park, Hyeonghun</creatorcontrib><creatorcontrib>Seol, WooJun</creatorcontrib><creatorcontrib>Park, Geumyong</creatorcontrib><creatorcontrib>Anoop, Gopinathan</creatorcontrib><creatorcontrib>Kim, Jihun</creatorcontrib><creatorcontrib>Tamulevičius, Tomas</creatorcontrib><creatorcontrib>Tamulevičius, Sigitas</creatorcontrib><creatorcontrib>Joo, Soyun</creatorcontrib><creatorcontrib>Hong, Seungbum</creatorcontrib><creatorcontrib>Jo, Ji Young</creatorcontrib><creatorcontrib>Kim, Hyeong-Jin</creatorcontrib><title>Zn anode with hydrophobic and ferroelectric P(VDF-TrFE) layers for dendrite-free aqueous Zn-ion batteries</title><title>Applied surface science</title><description>[Display omitted] •The effects of hydrophobicity and ferroelectricity of artificial SEIs were investigated.•Spin-coated P(VDF-TrFE) layer on a zinc metal anode inhibits zinc dendrite growth and side reactions.•The uniform Zn plating achieved by the P(VDF-TrFE) layer inhibits zinc dendrite growth.•Both symmetrical cells and Zn/MnO2 full cells with P(VDF-TrFE)-coated Zn show stable electrochemical performance. Zn anodes are highly promising aqueous battery materials due to their abundant sources, environmental friendliness, and high theoretical capacity of 820mAh/g. Nevertheless, Zn undergoes dendritic growth and side reactions in mildly acidic electrolytes, leading to shorter cycling lifetimes. Herein, a layer of poly(vinylidene fluoride-co-trifluoroethylene) (P(VDF-TrFE)) was spin-coated onto a Zn anode to address this issue. The coated layer physically and electrically blocked contact between the Zn surface and the electrolyte due to its hydrophobic nature. Additionally, the ferroelectric properties of crystalline P(VDF-TrFE) (c-P(VDF-TrFE)) facilitated mass transport and homogenized the electric field, resulting in consistent plating and stripping of Zn ions beneath the film. As a result, the c-P(VDF-TrFE) coating on the Zn symmetric cell led to a stable overpotential (&lt;40 mV) and long cycling lifetimes of more than 350 h (1 mA cm−2, 0.5mAh cm−2). Even with current conditions of 5 mA cm−2 and 0.5mAh cm−2, the c-P(VDF-TrFE)-coated Zn symmetric cell demonstrated stable operation for over 600 h. Furthermore, a Zn||MnO2 full cell exhibited high capacity retention after 1000 cycles.</description><subject>Aqueous Zn-ion battery</subject><subject>artificial SEI layer</subject><subject>Ferroelectricity</subject><subject>Hydrophobicity</subject><subject>Zn anode</subject><issn>0169-4332</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp9kDtPAzEQhF2ARAj8AwqXUNzh1z3cIKFAACkSFIEijeWz9xRH4RzWF1D-PRcdNdVKs5rRzEfIFWc5Z7y83eR2l_bJ5YIJlfNC61qckMnw0pmSUpyR85Q2jHFRV3JCwqqjtose6E_o13R98Bh369gEN8ietoAYYQuux0F5u_54mGdLnD_e0K09ACbaRqQeOo-hh6xFAGq_9hD3ia66LMSONrbvAQOkC3La2m2Cy787Je_zx-XsOVu8Pr3M7heZE0XRZ1XNdFlVtQWrtCu0514VUgN3HJjivJZQKqUqcJJJ4ZrWayjKSjjPZVvWjZwSNeY6jCkhtGaH4dPiwXBmjojMxoyIzBGRGRENtrvRBkO37wBokgvQOfABh_nGx_B_wC_UCnQI</recordid><startdate>20240701</startdate><enddate>20240701</enddate><creator>Park, Hyeonghun</creator><creator>Seol, WooJun</creator><creator>Park, Geumyong</creator><creator>Anoop, Gopinathan</creator><creator>Kim, Jihun</creator><creator>Tamulevičius, Tomas</creator><creator>Tamulevičius, Sigitas</creator><creator>Joo, Soyun</creator><creator>Hong, Seungbum</creator><creator>Jo, Ji Young</creator><creator>Kim, Hyeong-Jin</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0002-4044-7013</orcidid><orcidid>https://orcid.org/0000-0003-3879-2253</orcidid><orcidid>https://orcid.org/0000-0002-7131-1813</orcidid><orcidid>https://orcid.org/0000-0003-1663-7690</orcidid><orcidid>https://orcid.org/0000-0002-9965-2724</orcidid></search><sort><creationdate>20240701</creationdate><title>Zn anode with hydrophobic and ferroelectric P(VDF-TrFE) layers for dendrite-free aqueous Zn-ion batteries</title><author>Park, Hyeonghun ; Seol, WooJun ; Park, Geumyong ; Anoop, Gopinathan ; Kim, Jihun ; Tamulevičius, Tomas ; Tamulevičius, Sigitas ; Joo, Soyun ; Hong, Seungbum ; Jo, Ji Young ; Kim, Hyeong-Jin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c255t-78096778aea49c59d1d4539e1c1e041183e64447ec3032cbfd9e5672cd13f68b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Aqueous Zn-ion battery</topic><topic>artificial SEI layer</topic><topic>Ferroelectricity</topic><topic>Hydrophobicity</topic><topic>Zn anode</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Park, Hyeonghun</creatorcontrib><creatorcontrib>Seol, WooJun</creatorcontrib><creatorcontrib>Park, Geumyong</creatorcontrib><creatorcontrib>Anoop, Gopinathan</creatorcontrib><creatorcontrib>Kim, Jihun</creatorcontrib><creatorcontrib>Tamulevičius, Tomas</creatorcontrib><creatorcontrib>Tamulevičius, Sigitas</creatorcontrib><creatorcontrib>Joo, Soyun</creatorcontrib><creatorcontrib>Hong, Seungbum</creatorcontrib><creatorcontrib>Jo, Ji Young</creatorcontrib><creatorcontrib>Kim, Hyeong-Jin</creatorcontrib><collection>CrossRef</collection><jtitle>Applied surface science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Park, Hyeonghun</au><au>Seol, WooJun</au><au>Park, Geumyong</au><au>Anoop, Gopinathan</au><au>Kim, Jihun</au><au>Tamulevičius, Tomas</au><au>Tamulevičius, Sigitas</au><au>Joo, Soyun</au><au>Hong, Seungbum</au><au>Jo, Ji Young</au><au>Kim, Hyeong-Jin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Zn anode with hydrophobic and ferroelectric P(VDF-TrFE) layers for dendrite-free aqueous Zn-ion batteries</atitle><jtitle>Applied surface science</jtitle><date>2024-07-01</date><risdate>2024</risdate><volume>660</volume><spage>159982</spage><pages>159982-</pages><artnum>159982</artnum><issn>0169-4332</issn><abstract>[Display omitted] •The effects of hydrophobicity and ferroelectricity of artificial SEIs were investigated.•Spin-coated P(VDF-TrFE) layer on a zinc metal anode inhibits zinc dendrite growth and side reactions.•The uniform Zn plating achieved by the P(VDF-TrFE) layer inhibits zinc dendrite growth.•Both symmetrical cells and Zn/MnO2 full cells with P(VDF-TrFE)-coated Zn show stable electrochemical performance. Zn anodes are highly promising aqueous battery materials due to their abundant sources, environmental friendliness, and high theoretical capacity of 820mAh/g. Nevertheless, Zn undergoes dendritic growth and side reactions in mildly acidic electrolytes, leading to shorter cycling lifetimes. Herein, a layer of poly(vinylidene fluoride-co-trifluoroethylene) (P(VDF-TrFE)) was spin-coated onto a Zn anode to address this issue. The coated layer physically and electrically blocked contact between the Zn surface and the electrolyte due to its hydrophobic nature. Additionally, the ferroelectric properties of crystalline P(VDF-TrFE) (c-P(VDF-TrFE)) facilitated mass transport and homogenized the electric field, resulting in consistent plating and stripping of Zn ions beneath the film. As a result, the c-P(VDF-TrFE) coating on the Zn symmetric cell led to a stable overpotential (&lt;40 mV) and long cycling lifetimes of more than 350 h (1 mA cm−2, 0.5mAh cm−2). Even with current conditions of 5 mA cm−2 and 0.5mAh cm−2, the c-P(VDF-TrFE)-coated Zn symmetric cell demonstrated stable operation for over 600 h. Furthermore, a Zn||MnO2 full cell exhibited high capacity retention after 1000 cycles.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.apsusc.2024.159982</doi><orcidid>https://orcid.org/0000-0002-4044-7013</orcidid><orcidid>https://orcid.org/0000-0003-3879-2253</orcidid><orcidid>https://orcid.org/0000-0002-7131-1813</orcidid><orcidid>https://orcid.org/0000-0003-1663-7690</orcidid><orcidid>https://orcid.org/0000-0002-9965-2724</orcidid></addata></record>
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subjects Aqueous Zn-ion battery
artificial SEI layer
Ferroelectricity
Hydrophobicity
Zn anode
title Zn anode with hydrophobic and ferroelectric P(VDF-TrFE) layers for dendrite-free aqueous Zn-ion batteries
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