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Dual-additive-based electrolyte design for aqueous zinc ion batteries with high plating/stripping efficiency.
Li, Le; Xie, Yihua; Yao, Menglei; Cao, Rui; Mai, Xinyu; Ji, Yun; Chen, Long; Dong, Xiaoli; Xia, Yongyao.
Affiliation
  • Li L; Department of Chemistry and Institute of New Energy, Fudan University, Shanghai 200433, China. xldong@fudan.edu.cn.
  • Xie Y; Department of Chemistry and Institute of New Energy, Fudan University, Shanghai 200433, China. xldong@fudan.edu.cn.
  • Yao M; Key Laboratory for Ultrafine Materials of Ministry of Education, Shanghai Engineering Research Center of Hierarchical Nanomaterials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemical Engineering, School of Materials Science and Engineering, East China University o
  • Cao R; Key Laboratory for Ultrafine Materials of Ministry of Education, Shanghai Engineering Research Center of Hierarchical Nanomaterials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemical Engineering, School of Materials Science and Engineering, East China University o
  • Mai X; Key Laboratory for Ultrafine Materials of Ministry of Education, Shanghai Engineering Research Center of Hierarchical Nanomaterials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemical Engineering, School of Materials Science and Engineering, East China University o
  • Ji Y; Key Laboratory for Ultrafine Materials of Ministry of Education, Shanghai Engineering Research Center of Hierarchical Nanomaterials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemical Engineering, School of Materials Science and Engineering, East China University o
  • Chen L; Key Laboratory for Ultrafine Materials of Ministry of Education, Shanghai Engineering Research Center of Hierarchical Nanomaterials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemical Engineering, School of Materials Science and Engineering, East China University o
  • Dong X; Department of Chemistry and Institute of New Energy, Fudan University, Shanghai 200433, China. xldong@fudan.edu.cn.
  • Xia Y; Department of Chemistry and Institute of New Energy, Fudan University, Shanghai 200433, China. xldong@fudan.edu.cn.
Chem Commun (Camb) ; 60(53): 6809-6812, 2024 Jun 27.
Article in En | MEDLINE | ID: mdl-38872605
ABSTRACT
A dual-additive-based aqueous electrolyte was designed with a pH-buffering additive (Zn(OAc)2) and an electrostatic shielding additive (TMAOAc) for high Zn plating/stripping efficiency. The buffering pair, OAc-/HOAc, can stabilize the pH value to suppress side hydrogen evolution reactions. Meanwhile, TMA+ acts as a competitive cation being preferentially adsorbed on the uneven surface of the Zn anode and exerts an electrostatic shielding effect to facilitate flat Zn deposition. Such a dual-additive-based electrolyte promotes an ultra-high Zn plating/stripping efficiency of 99.9% at 1 mA cm-2 and long-term cycling stability for 3600 h at 0.5 mA cm-2, offering valuable insights for advanced aqueous batteries.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Chem Commun (Camb) Journal subject: QUIMICA Year: 2024 Document type: Article Affiliation country: China Country of publication: Reino Unido
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Chem Commun (Camb) Journal subject: QUIMICA Year: 2024 Document type: Article Affiliation country: China Country of publication: Reino Unido