Study of Electroless Nickel Plating on Super Duplex Stainless Steel for Lithium-Ion Battery Cases: Electrochemical Behaviour and Effects of Plating Time
With increasing demand for Li-ion batteries, studies are focusing on enhancing battery performance and safety. However, studies on battery cases remain scarce. Herein, we propose the use of super duplex stainless steel SAF2507, which is a two-phase (austenite + ferrite) steel, for battery casings. U...
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MDPI AG
2024-03-01
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author | Byung-Hyun Shin Jinyong Park Seongjun Kim Jung-Woo Ok Doo-In Kim Jang-Hee Yoon |
author_facet | Byung-Hyun Shin Jinyong Park Seongjun Kim Jung-Woo Ok Doo-In Kim Jang-Hee Yoon |
author_sort | Byung-Hyun Shin |
collection | DOAJ |
description | With increasing demand for Li-ion batteries, studies are focusing on enhancing battery performance and safety. However, studies on battery cases remain scarce. Herein, we propose the use of super duplex stainless steel SAF2507, which is a two-phase (austenite + ferrite) steel, for battery casings. Unlike conventional AISI304, SAF2507 maintains its corrosion resistance and strength at high temperatures and precipitates a secondary phase at approximately 975 °C. However, the effects of Ni plating on this secondary phase are not well documented. Therefore, the electroless Ni plating of SAF2507 after secondary-phase precipitation was studied. Briefly, heat treatment at 1000 °C was used to induce precipitation, and the electroless Ni plating behaviour over varying plating periods was analysed using open-circuit potential, potentiodynamic polarisation, and electrochemical impedance spectroscopy measurements. The plating state and corrosion behaviour were examined using scanning electron microscopy. Heat-treated SAF2507 steel with a secondary phase exhibited excellent electroless Ni plating behaviour, which enhances the safety and durability of Li-ion batteries. Furthermore, uniform plating and electrochemical behaviour were achieved after 180 s, suggesting that SAF2507 is superior to AISI304. These findings contribute to the development of safer and more efficient batteries and address the growing demand for Li-ion battery case materials. |
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last_indexed | 2024-04-24T18:01:19Z |
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spelling | doaj.art-3639d70f79044fe697ef02997c56c64e2024-03-27T13:54:23ZengMDPI AGMetals2075-47012024-03-0114330710.3390/met14030307Study of Electroless Nickel Plating on Super Duplex Stainless Steel for Lithium-Ion Battery Cases: Electrochemical Behaviour and Effects of Plating TimeByung-Hyun Shin0Jinyong Park1Seongjun Kim2Jung-Woo Ok3Doo-In Kim4Jang-Hee Yoon5Busan Center, Korea Basic Science Institute, Busan 46742, Republic of KoreaBusan Center, Korea Basic Science Institute, Busan 46742, Republic of KoreaBusan Center, Korea Basic Science Institute, Busan 46742, Republic of KoreaBusan Center, Korea Basic Science Institute, Busan 46742, Republic of KoreaInnovative Graduate Education Program for Global High-Tech Materials and Parts, Pusan National University, Busan 46241, Republic of KoreaBusan Center, Korea Basic Science Institute, Busan 46742, Republic of KoreaWith increasing demand for Li-ion batteries, studies are focusing on enhancing battery performance and safety. However, studies on battery cases remain scarce. Herein, we propose the use of super duplex stainless steel SAF2507, which is a two-phase (austenite + ferrite) steel, for battery casings. Unlike conventional AISI304, SAF2507 maintains its corrosion resistance and strength at high temperatures and precipitates a secondary phase at approximately 975 °C. However, the effects of Ni plating on this secondary phase are not well documented. Therefore, the electroless Ni plating of SAF2507 after secondary-phase precipitation was studied. Briefly, heat treatment at 1000 °C was used to induce precipitation, and the electroless Ni plating behaviour over varying plating periods was analysed using open-circuit potential, potentiodynamic polarisation, and electrochemical impedance spectroscopy measurements. The plating state and corrosion behaviour were examined using scanning electron microscopy. Heat-treated SAF2507 steel with a secondary phase exhibited excellent electroless Ni plating behaviour, which enhances the safety and durability of Li-ion batteries. Furthermore, uniform plating and electrochemical behaviour were achieved after 180 s, suggesting that SAF2507 is superior to AISI304. These findings contribute to the development of safer and more efficient batteries and address the growing demand for Li-ion battery case materials.https://www.mdpi.com/2075-4701/14/3/307Li-ion battery casesuper duplex stainless steelsecondary phaseelectroless Ni platingelectrochemical behaviour |
spellingShingle | Byung-Hyun Shin Jinyong Park Seongjun Kim Jung-Woo Ok Doo-In Kim Jang-Hee Yoon Study of Electroless Nickel Plating on Super Duplex Stainless Steel for Lithium-Ion Battery Cases: Electrochemical Behaviour and Effects of Plating Time Metals Li-ion battery case super duplex stainless steel secondary phase electroless Ni plating electrochemical behaviour |
title | Study of Electroless Nickel Plating on Super Duplex Stainless Steel for Lithium-Ion Battery Cases: Electrochemical Behaviour and Effects of Plating Time |
title_full | Study of Electroless Nickel Plating on Super Duplex Stainless Steel for Lithium-Ion Battery Cases: Electrochemical Behaviour and Effects of Plating Time |
title_fullStr | Study of Electroless Nickel Plating on Super Duplex Stainless Steel for Lithium-Ion Battery Cases: Electrochemical Behaviour and Effects of Plating Time |
title_full_unstemmed | Study of Electroless Nickel Plating on Super Duplex Stainless Steel for Lithium-Ion Battery Cases: Electrochemical Behaviour and Effects of Plating Time |
title_short | Study of Electroless Nickel Plating on Super Duplex Stainless Steel for Lithium-Ion Battery Cases: Electrochemical Behaviour and Effects of Plating Time |
title_sort | study of electroless nickel plating on super duplex stainless steel for lithium ion battery cases electrochemical behaviour and effects of plating time |
topic | Li-ion battery case super duplex stainless steel secondary phase electroless Ni plating electrochemical behaviour |
url | https://www.mdpi.com/2075-4701/14/3/307 |
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