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Innovative Fast-Charging Protocol Incorporating Proactive Lithium-Plating Suppression Pulses for Lithium-Ion Batteries: Protocol Design, Validation, and Post-Mortem Analysis

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dc.contributor.authorHa, Ye Ji-
dc.contributor.authorRoh, Somi-
dc.contributor.authorPark, Bo Keun-
dc.contributor.authorKim, Minsoo-
dc.contributor.authorJeong, Dong Ho-
dc.contributor.authorKim, Hyunjae-
dc.contributor.authorKim, Inwoo-
dc.contributor.authorJo, Yong Nam-
dc.contributor.authorChoi, Jang Wook-
dc.contributor.authorKim, Ki Jae-
dc.date.accessioned2024-12-11T06:04:28Z-
dc.date.available2024-12-11T06:04:28Z-
dc.date.created2024-12-11-
dc.date.created2024-12-11-
dc.date.created2024-12-11-
dc.date.issued2024-10-
dc.identifier.citationAdvanced Energy Materials, Vol.14 No.46, p. 2402032-
dc.identifier.issn1614-6832-
dc.identifier.urihttps://hdl.handle.net/10371/213560-
dc.description.abstractConventional fast-charging using a high constant current can ultimately accelerate uncontrolled Li plating on the graphite anode, resulting in degradation and poor cycle life of Li-ion batteries (LIBs). Therefore, identifying suitable fast-charging methods for LIBs is beneficial for the widespread use of electric vehicles (EVs). Herein, an innovative fast-charging protocol, designed by combining an active control pulse (ACP) with a multi-step fast-charging method (M-ACP), is proposed to mitigate issues related to Li plating and byproduct formation on the graphite anode during fast-charging. Because M-ACP not only reduces charging time but also actively prevents Li plating on the graphite anode surface, the 60 Ah pouch cell used in EVs that employ the M-ACP protocol exhibits an extended lifetime with no capacity fading over 2000 cycles. The degradation behavior of the negative electrodes, which is strongly correlated to the improved performance of M-ACP cells, is demonstrated using non-destructive diagnostic techniques and post-mortem analyses. The M-ACP cell exhibits significantly less active material and Li loss, and decreased solid electrolyte interphase layer growth on graphite, owing to effective mitigation of Li+ accumulation at the electrode/electrolyte interface. Consequently, the distinguished fast-charging protocol effectively decelerates the degradation of the negative electrode, leading to outstanding electrochemical performance. An innovative fast-charging protocol combining an active control pulse (ACP) with a multi-step fast-charging method (M-ACP) can effectively alleviate concentration polarization within the LIB, preventing Li metal plating and resultant cell degradation. Consequently, M-ACP restrains the serious degradation of the negative electrode in LIBs, leading to outstanding electrochemical performance. image-
dc.language영어-
dc.publisherWiley-VCH Verlag-
dc.titleInnovative Fast-Charging Protocol Incorporating Proactive Lithium-Plating Suppression Pulses for Lithium-Ion Batteries: Protocol Design, Validation, and Post-Mortem Analysis-
dc.typeArticle-
dc.identifier.doi10.1002/aenm.202402032-
dc.citation.journaltitleAdvanced Energy Materials-
dc.identifier.wosid001333681200001-
dc.identifier.scopusid2-s2.0-85206494408-
dc.citation.number46-
dc.citation.startpage2402032-
dc.citation.volume14-
dc.description.isOpenAccessY-
dc.contributor.affiliatedAuthorChoi, Jang Wook-
dc.type.docTypeArticle; Early Access-
dc.description.journalClass1-
dc.subject.keywordPlusGRAPHITE-
dc.subject.keywordPlusINTERCALATION-
dc.subject.keywordPlusQUANTIFICATION-
dc.subject.keywordPlusDEGRADATION-
dc.subject.keywordPlusSEPARATORS-
dc.subject.keywordPlusMECHANISM-
dc.subject.keywordPlusSTATE-
dc.subject.keywordAuthorcharging protocols-
dc.subject.keywordAuthorcommercial EV cells-
dc.subject.keywordAuthordegradation analyses-
dc.subject.keywordAuthorlithium-ion batteries-
dc.subject.keywordAuthorpulse charging-
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  • College of Engineering
  • School of Chemical and Biological Engineering
Research Area Physics, Materials Science

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