Dahee Jin

Enhancing fast-charging capability of silicon-based lithium-ion batteries via an ionically conductive binder

Dahee Jin, Peiyuan Gao, Chenyang Shi, Min-Gi Jeong et autres

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Reconciling triple-phase boundaries and tortuosity in high-energy all-solid-state lithium-sulfur batteries

Min-Gi Jeong, Michael Kindle, Yaobin Xu, Jie Bao et autres

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Controlled Electrode Delamination for Degradation Analysis in Fault-Simulated Li-Ion Batteries

Seungyeop Choi, Dahee Jin, Mingyu Lee, Hongkyung Lee et autres

Lithium-ion batteries (LIBs) are widely used in portable electronics, electric vehicles, and energy storage systems due to their high-energy-density. In this context, many researchers have developed high-mass-loading electrodes with reduced binder content to increase the proportion of active material. However, this design …

High performance porous Si anode enabled by an organic-solvent assisted etching process

Dahee Jin, Ju‐Myung Kim, Ran Yi, Mark Engelhard et autres

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Approaches to Improve Both Cycle and Calendar Life of Silicon-Based Lithium-Ion Batteries

Ju‐Myung Kim, Dahee Jin, Xia Cao, Ji‐Guang Zhang

During the last few decades, silicon (Si) has been extensively investigated as the next generation of anode material for lithium (Li)-ion batteries (LIBs) due to its high theoretical capacity (~ 4200 mAh g−1) which is more than ten times larger than those …

A New Approach to Synthesis of Porous Si Anode for Li-Ion Batteries Via Organic-Solvent Assisted Etching

Dahee Jin, Ju‐Myung Kim, Ran Yi, Ji‐Guang Zhang

Silicon (Si) has been regarded as a promising anode for Li-ion batteries due to its high theoretical capacity (4200 mAh/g) compared to graphite anode (372 mAh/g). However, it undergoes significant volume changes (~ 300%) during lithiation and delithiation, leading to particle pulverization …

A Novel Approach to Electrode Delamination for Mechanism Analysis and Signal Detection: Fault-Simulated Li-Ion Batteries

Suhwan Kim, Seungyeop Choi, Dahee Jin, Kyung-Geun Kim et autres

The demand for increasing energy density of lithium-ion batteries (LIBs) continues to drive research into new compositions and designs. Some prominent strategies are to reduce the content of inactive materials, such as binders and conductive materials, and to increase a thickness of …

Progress and Perspectives on Lithium Metal Powder for Rechargeable Batteries

Cyril Bubu Dzakpasu, Dongyoon Kang, Dongyoung Kim, Myung-Geun Song et autres

Rechargeable Batteries In article number 2300476, Sun-Yul Ryou, Yong Min Lee, and co-workers report a process wherein liquid lithium metal is dropped into a solution, which is then cooled to form lithium metal powder. This interaction with the functional solution creates an …

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Progress and Perspectives on Lithium Metal Powder for Rechargeable Batteries

Cyril Bubu Dzakpasu, Dongyoon Kang, Dongyoung Kim, Myung-Geun Song et autres

The increasing demand for batteries with high‐energy densities for applications such as electric vehicles necessitates a paradigm shift from the use of conventional graphite as anodes. Li metal is spotlighted as a replacement for graphite due to its ultrahigh theoretical capacity (3860 …

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Artificial Li3N SEI-Enforced Stable Cycling of Li Powder Composite Anode in Carbonate Electrolytes

Cyril Bubu Dzakpasu, Caleb Gyan‐Barimah, Dongyoon Kang, Jihun Song et autres

Lithium metal is considered one of the most attractive anode materials for next-generation batteries. However, the practical application of rechargeable Li-metal batteries has been hindered by the uncontrollable growth of Li dendrites and large volume changes during electrochemical cycling, leading to low …

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Diagnosis of Current Flow Patterns Inside Fault‐Simulated Li‐Ion Batteries via Non‐Invasive, In Operando Magnetic Field Imaging

Mingyu Lee, Yewon Shin, Hongjun Chang, Dahee Jin et autres

With the growing popularity of Li-ion batteries in large-scale applications, building a safer battery has become a common goal of the battery community. Although the small errors inside the cells trigger catastrophic failures, tracing them and distinguishing cell failure modes without knowledge …

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Enhanced safety of lithium ion batteries through a novel functional separator with encapsulated flame retardant and hydroxide ceramics

Youngjoon Roh, Dongyoung Kim, Dahee Jin, Dohwan Kim et autres

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