Surface Anion Effects in Aqueous Hydrogen Ion Batteries

IF 2.2 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC Journal of Electronic Materials Pub Date : 2024-05-10 DOI:10.1007/s11664-024-11112-x

Hao Wang, Jialong Wu, Zhilong Zheng, Jiayi Qin, Zhizhong Guo, Zhenyu Zhang, Wei Wen

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Abstract

Aqueous hydrogen ion batteries possess the advantages of sustainability, low cost, and high safety, which makes them an ideal choice for grid-level energy storage. Although some anions show strong interaction with the surface of some metal oxides, the effect of anions on the cation intercalation behavior and electrochemical activity is rarely reported. Herein, we report that anions in the electrolyte can greatly affect the electrochemical performance of anatase TiO₂ in aqueous hydrogen ion batteries. The adsorption strength between the anatase TiO₂ (101) surface and the anions was found to follow the order of SO₄²⁻ > Cl⁻ > NO₃⁻. Experiments with theoretical calculations revealed that SO₄²⁻ can promote the electrochemical performance of the anatase TiO₂ anode for aqueous hydrogen ion batteries, while NO₃⁻ hinders the hydronium intercalation. This work can provide a new avenue for the design of high-performance aqueous batteries.

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水性氢离子电池中的表面阴离子效应

水性氢离子电池具有可持续性、低成本和高安全性等优点，是电网级储能的理想选择。虽然一些阴离子与某些金属氧化物表面有很强的相互作用，但阴离子对阳离子插层行为和电化学活性的影响却鲜有报道。在此，我们报告了电解质中的阴离子会极大地影响锐钛矿二氧化钛在水性氢离子电池中的电化学性能。研究发现，锐钛矿二氧化钛（101）表面与阴离子之间的吸附强度遵循 SO42- > Cl- > NO3- 的顺序。实验和理论计算表明，SO42- 能促进锐钛型二氧化钛阳极在水性氢离子电池中的电化学性能，而 NO3- 则阻碍了氢离子的插层。这项研究为高性能水电池的设计提供了新的途径。

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来源期刊

Journal of Electronic Materials 工程技术-材料科学：综合

CiteScore

4.10

自引率

4.80%

发文量

693

审稿时长

3.8 months

期刊介绍： The Journal of Electronic Materials (JEM) reports monthly on the science and technology of electronic materials, while examining new applications for semiconductors, magnetic alloys, dielectrics, nanoscale materials, and photonic materials. The journal welcomes articles on methods for preparing and evaluating the chemical, physical, electronic, and optical properties of these materials. Specific areas of interest are materials for state-of-the-art transistors, nanotechnology, electronic packaging, detectors, emitters, metallization, superconductivity, and energy applications. Review papers on current topics enable individuals in the field of electronics to keep abreast of activities in areas peripheral to their own. JEM also selects papers from conferences such as the Electronic Materials Conference, the U.S. Workshop on the Physics and Chemistry of II-VI Materials, and the International Conference on Thermoelectrics. It benefits both specialists and non-specialists in the electronic materials field. A journal of The Minerals, Metals & Materials Society.