Investigation of corrosion properties with Ni–P/TiNO coating on aluminum alloy bipolar plates in proton exchange membrane fuel cell

Zhang, Jinzhou; Jin, Jie; Tao, Yi; Cao, Rui; Kou, Xianli; Tian, Xu

doi:10.1016/j.ijhydene.2022.05.024

Cited by 31 publications

(11 citation statements)

References 49 publications

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“…On the other hand, the Mott‐Schottky curve of the single layer Ni‐P coated sample at 1.0 V ( vs SCE) indicated a p‐type semiconductor and hence a reduced corrosion resistance. The ICR values were in the order TiNO (28.2)<NiP (41.2)<NiP/TiNO (50.5)<uncoated Al6061 (145.3 mΩ cm 2 ) [85] . Despite the better corrosion resistance of the bilayer coated sample, the higher ICR indicates the need for precise optimization of such multilayer coating strategies.…”

Section: Fuel Cellsmentioning

confidence: 97%

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Corrosion and Materials Degradation in Electrochemical Energy Storage and Conversion Devices

Saji

2023

ChemElectroChem

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Research and development on electrochemical energy storage and conversion (EESC) devices, viz. fuel cells, supercapacitors and batteries, are highly significant in realizing carbon neutrality and a sustainable energy economy. Component corrosion/ degradation remains a major threat to EESC device's long-term durability. Here, we provide a comprehensive account of the EESC device's corrosion and degradation issues. Discussions are mainly on polymer electrolyte membrane fuel cells, metal-ion and metal-air batteries and supercapacitors. Corrosion of bipolar plates/current collectors, carbon corrosion, electrode/ electrocatalyst degradation, and various mitigation approaches are detailed. The collective information provided could help develop EESC devices with better durability.

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Section: Fuel Cellsmentioning

confidence: 97%

“…The ICR values were in the order TiNO (28.2) < NiP (41.2) < NiP/TiNO (50.5) < uncoated Al6061 (145.3 mΩ cm 2 ). [85] Despite the better corrosion resistance of the bilayer coated sample, the higher ICR indicates the need for precise optimization of such multilayer coating strategies.…”

Section: Al Alloysmentioning

confidence: 99%

Corrosion and Materials Degradation in Electrochemical Energy Storage and Conversion Devices

Saji

2023

ChemElectroChem

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“…), but the most common grades of SS for the fabrication of BP are 304 and 316L. Fewer studies have been performed on aluminum (usually 6061) [87], copper alloys [80], amorphous alloys [88], nickel [89], titanium [81] and magnesium [83] alloys and their use as BPs for PEMFCs.…”

Section: Yan Et Al [83] Polytetrafluoroethylene (Ptfe)/carbon Cloth/a...mentioning

confidence: 99%

A Review on the Long-Term Performance of Proton Exchange Membrane Fuel Cells: From Degradation Modeling to the Effects of Bipolar Plates, Sealings, and Contaminants

et al. 2022

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Proton-exchange membrane fuel cells (PEMFCs) are regarded as promising alternatives to internal combustion engines (ICEs) to reduce pollution. Recent research on PEMFCs focuses on achieving higher power densities, reducing the refueling time, mitigating the final price, and decreasing the degradations, to facilitate the commercialization of hydrogen mobility. The design of bipolar plates and compression kits, in addition to their coating, can effectively improve performance, increase durability, and support water/thermal management. Past reviews usually focused on the specific aspect, which can hardly provide readers with a complete picture of the key challenges facing and advances in the long-term performance of PEMFCs. This paper aims to deliver a comprehensive source to review, from both experimental, analytical and numerical viewpoints, design challenges, degradation modeling, protective coatings for bipolar plates, and key operational challenges facing and solutions to the stack to prevent contamination. The significant research gaps in the long-term performance of PEMFCs are identified as (1) improved bipolar-plate design and coating, (2) the optimization of the design of sealing and compression kits to reduce mechanical stresses, and (3) stack degradation regarding fuel contamination and dynamic operation.

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“…Metal bipolar plates, such as steel, titanium, copper, aluminum, and several alloy systems, are more commonly used for PEMFCs due to their low cost, high mechanical properties, and excellent conductivities [ 5 , 6 , 7 , 8 , 9 ]. Stainless steel is a desirable choice for PEMFC bipolar plates due to its reasonably low cost, high mechanical strength, and wide availability [ 10 ].…”

Section: Introductionmentioning

confidence: 99%

Improvement in Corrosion Resistance and Interfacial Contact Resistance Properties of 316L Stainless Steel by Coating with Cr, Ti Co-Doped Amorphous Carbon Films in the Environment of the PEMFCs

Wang

et al. 2023

Molecules

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In order to obtain films with high corrosion resistance and excellent interfacial contact resistance (ICR) on 316L stainless steel used for bipolar plates in proton-exchange membrane fuel cells (PEMFCs), Cr, Ti co-doped amorphous carbon films were prepared on 316L stainless steel. The preparation method for the coating was magnetron sputtering. The doping amount of the Ti element was controlled by a Cr target and a Ti target current. The change in the structure and properties of the coating after the change from Cr single-element doping to Cr and Ti co-doping was studied. The change rule of the structure and properties of the coating from Cr single-element doping to Cr and Ti co-doping was studied. An increase in the Ti content led to a decreased grain boundary, a flatter surface, and a higher sp2-hybridized carbon content. TiC and CrC nanocrystals were formed in the amorphous carbon structure together. The amorphous carbon films doped with Cr and Ti simultaneously achieved a low ICR and high corrosion resistance compared with single-Cr-doped amorphous carbon. The enhanced corrosion resistance was attributed to the decreasing grain boundary, the formation of the TiC crystal structure, and the smaller grain size. The best performance was obtained at a Ti target current of 2A. Compared with bare 316L stainless steel, the corrosion resistance of Cr, Ti co-doped amorphous carbon (Icorr = 5.7 × 10−8 A/cm2, Ti-2 sample) was greatly improved. Because Ti doping increased the content of sp2-hybridized carbon in the coating, the contact resistance of the coating decreased. Moreover, the interfacial contact resistance was 3.1 mΩ·cm2 in the Ti-2 sample, much lower than that of bare 316L stainless steel. After the potentiostatic polarization test, the coating still had excellent conductivity.

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Investigation of corrosion properties with Ni–P/TiNO coating on aluminum alloy bipolar plates in proton exchange membrane fuel cell

Cited by 31 publications

References 49 publications

Corrosion and Materials Degradation in Electrochemical Energy Storage and Conversion Devices

Corrosion and Materials Degradation in Electrochemical Energy Storage and Conversion Devices

A Review on the Long-Term Performance of Proton Exchange Membrane Fuel Cells: From Degradation Modeling to the Effects of Bipolar Plates, Sealings, and Contaminants

Improvement in Corrosion Resistance and Interfacial Contact Resistance Properties of 316L Stainless Steel by Coating with Cr, Ti Co-Doped Amorphous Carbon Films in the Environment of the PEMFCs

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