Growth process of molybdate conversion coating on the surface of aluminum foil and its adhesive mechanism

被引：12

作者：

Chen, Xinjie ^{[1
]}

Xu, Shiai ^{[1
,2
]}

机构：

[1] East China Univ Sci & Technol, Sch Mat Sci & Engn, Shanghai, Peoples R China

[2] Qinghai Univ, Sch Chem Engn, Xining 810016, Peoples R China

来源：

SURFACE AND INTERFACE ANALYSIS | 2021年 / 53卷 / 12期

基金：

中国国家自然科学基金;

关键词：

Al foil; corrosion resistance; lithium-ion battery; molybdate treatment; packaging material; ALLOY; POLYPROPYLENE; BEHAVIOR; STEEL;

D O I：

10.1002/sia.7006

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this study, an environmentally friendly molybdate (Mo) conversion coating was deposited on the surface of aluminum (Al) foil for use as the packaging film of lithium-ion battery, and the surface morphology and chemical composition were characterized by field emission scanning electron microscopy (FE-SEM), atomic force microscopy (AFM), energy dispersive spectroscopy (EDS), and X-ray photoelectron spectroscopy (XPS). The XPS results show that the conversion coating is composed of MoO3, MoOx, Al2O3, and (MoO3)(x)(P2O5)(y). Then, the effects of treatment time on the corrosion resistance of Al foil and the adhesive strength between Mo-treated Al foil and maleic anhydride (MAH)-grafted polypropylene (MPP) were investigated. It is revealed that both the peeling strength and the corrosion resistance of Mo-treated Al foil increase with the treatment time.

引用

页码：1048 / 1058

页数：11

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