Probing Lithium Metals in Batteries by Advanced Characterization and Analysis Tools

Park Hyeokjun; Tamwattana Orapa; Kim Jihyeon; Buakeaw Sunisa; Hongtong Rattiya; Kim Byunghoon; Khomein Piyachai; Liu Gao; Meethong Nonglak; Kang Kisuk

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Probing Lithium Metals in Batteries by Advanced Characterization and Analysis Tools

机译：通过高级特征和分析工具探测电池中的锂金属

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Lithium metal batteries (LMBs) are one of the most promising next-generation batteries in achieving the high energy density because of their low reduction potential and large theoretical capacity. However, since the birth of the first rechargeable lithium batteries, the uncontrolled lithium growth and the accompanying side-reactions have seriously hampered the development of LMBs. Decades of research efforts have extensively studied the mechanisms governing these issues; however, the practical adoption of lithium metal in batteries is still yet to come. Recent advancements of the characterization tools offer unprecedentedly detailed views of the behavior of lithium metals in the electrochemical cells, which have been considered challenging due to the intrinsic instability of lithium metal. This new capability elucidates the stripping and deposition nature of lithium metal more closely, thus revealing what had been overlooked or remained unseen. Herein, recent advances in characterization and analysis tools for studies of LMBs are summarized, and what new findings and insights have been obtained in the understanding of LMBs are discussed. It is believed that this report will aid in addressing the opportunities and remaining challenges in the research of lithium metal by giving a comprehensive perspective on the current advanced suits of characterization tools, therefore expediting the development of practical LMBs.

机译：锂金属电池（LMB）是由于其降低潜力和大理论能力而实现高能量密度最有前一代电池之一。然而，自第一个可充电锂电池的诞生以来，不受控制的锂生长和随附的副反应严重阻碍了LMB的发育。几十年的研究努力已经广泛研究了这些问题的机制;然而，电池中锂金属的实际采用尚未到来。表征工具的最新进步提供了电化学电池中锂金属行为的前所未有的详细视图，这被认为是由于锂金属的内在不稳定性而被认为是挑战。这种新能力阐明了锂金属的剥离和沉积性质，从而揭示了被忽视或仍然看不见的内容。这里，讨论了LMBS研究表征和分析工具的最新进展，并在理解LMB时获得了哪些新发现和见解。据信，本报告将有助于解决锂金属研究中的机会，并通过对目前的表征工具进行全面的观点来解决锂金属的研究，从而加快实用LMB的发展。

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来源
《Advanced energy materials》 |2021年第15期|2003039.1-2003039.18|共18页
作者
Park Hyeokjun; Tamwattana Orapa; Kim Jihyeon; Buakeaw Sunisa; Hongtong Rattiya; Kim Byunghoon; Khomein Piyachai; Liu Gao; Meethong Nonglak; Kang Kisuk;
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Seoul Natl Univ Dept Mat Sci & Engn 1 Gwanak Ro Seoul 151742 South Korea|Seoul Natl Univ Res Inst Adv Mat RIAM 1 Gwanak Ro Seoul 151742 South Korea;

Seoul Natl Univ Dept Mat Sci & Engn 1 Gwanak Ro Seoul 151742 South Korea|Seoul Natl Univ Res Inst Adv Mat RIAM 1 Gwanak Ro Seoul 151742 South Korea|Khon Kaen Univ Inst Nanomat Res & Innovat Energy IN RIE Res Network NANOTEC KKU RNN Khon Kaen 40002 Thailand;

Seoul Natl Univ Dept Mat Sci & Engn 1 Gwanak Ro Seoul 151742 South Korea|Seoul Natl Univ Res Inst Adv Mat RIAM 1 Gwanak Ro Seoul 151742 South Korea;

Lawrence Berkeley Natl Lab Energy Storage & Distributed Resources Div Berkeley CA 94720 USA|Khon Kaen Univ Fac Sci Dept Phys Mat Sci & Nanotechnol Program Khon Kaen 40002 Thailand;

Khon Kaen Univ Inst Nanomat Res & Innovat Energy IN RIE Res Network NANOTEC KKU RNN Khon Kaen 40002 Thailand;

Seoul Natl Univ Dept Mat Sci & Engn 1 Gwanak Ro Seoul 151742 South Korea|Seoul Natl Univ Res Inst Adv Mat RIAM 1 Gwanak Ro Seoul 151742 South Korea;

Lawrence Berkeley Natl Lab Energy Storage & Distributed Resources Div Berkeley CA 94720 USA;

Lawrence Berkeley Natl Lab Energy Storage & Distributed Resources Div Berkeley CA 94720 USA;

Khon Kaen Univ Inst Nanomat Res & Innovat Energy IN RIE Res Network NANOTEC KKU RNN Khon Kaen 40002 Thailand|Khon Kaen Univ Fac Sci Dept Phys Mat Sci & Nanotechnol Program Khon Kaen 40002 Thailand;

Seoul Natl Univ Dept Mat Sci & Engn 1 Gwanak Ro Seoul 151742 South Korea|Seoul Natl Univ Res Inst Adv Mat RIAM 1 Gwanak Ro Seoul 151742 South Korea|Seoul Natl Univ Inst Basic Sci Ctr Nanoparticle Res 1 Gwanak Ro Seoul 151742 South Korea|Seoul Natl Univ Coll Engn Inst Engn Res 1 Gwanak Ro Seoul 151742 South Korea|Seoul Natl Univ Coll Engn Sch Chem & Bioengn 1 Gwanak Ro Seoul 151742 South Korea;

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dead lithium; dendrites; in situ characterizations; lithium metals; microstructures; solid electrolyte interphase (SEI);

机译：死锂;树突;原位特色;锂金属;微观结构;固体电解质间（SEI）;

Probing Lithium Metals in Batteries by Advanced Characterization and Analysis Tools

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