Guk‐Tae Kim
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View article: Hierarchically Porous N-Doped Carbon with Atomic Co Sites for Fast Lithium Storage
Hierarchically Porous N-Doped Carbon with Atomic Co Sites for Fast Lithium Storage Open
View article: Sulfur/reduced graphite oxide and dual-anion solid polymer‒electrolyte integrated structure for high-loading practical all-solid-state lithium–sulfur batteries
Sulfur/reduced graphite oxide and dual-anion solid polymer‒electrolyte integrated structure for high-loading practical all-solid-state lithium–sulfur batteries Open
The demand for high-capacity batteries with long cycle life and safety has been increasing owing to the expanding mid-to-large battery market. Li–S batteries are suitable energy-storage devices because of their reversibility, high theoreti…
View article: Is Cobalt in Li‐Rich Layered Oxides for Li‐Ion Batteries Necessary?
Is Cobalt in Li‐Rich Layered Oxides for Li‐Ion Batteries Necessary? Open
Cobalt is considered an essential element for layered cathode active materials supporting enhanced lithium‐ion conductivity and structural stability. Herein, we investigated the influence of Co concentration on the physicochemical properti…
View article: Sulfur/reduced graphite-oxide and dual-anion solid polymer-electrolyte integrated structure for high-loading practical all-solid-state lithium–sulfur battery
Sulfur/reduced graphite-oxide and dual-anion solid polymer-electrolyte integrated structure for high-loading practical all-solid-state lithium–sulfur battery Open
Demand for high-capacity batteries with long cycle life and safety has been increasing owing to the expanding mid-to-large battery market. Li–S batteries are suitable energy-storage devices because of their reversibility, high theoretical …
View article: Nanocrystalline cellulose reinforced poly(ethylene oxide) electrolytes for lithium-metal batteries with excellent cycling stability
Nanocrystalline cellulose reinforced poly(ethylene oxide) electrolytes for lithium-metal batteries with excellent cycling stability Open
Polyethylene oxide (PEO) based polymer electrolytes are still the state of the art for commercial lithium-metal batteries (LMBs) despite their remaining challenges such as the limited ionic conductivity at ambient temperature. Accordingly,…
View article: Corrigendum to “High-capacity Li4Ti5O12-C thick ceramic electrodes manufactured by powder injection moulding” [J. Eur. Ceram. Soc. 44 (2024) 978–985]
Corrigendum to “High-capacity Li4Ti5O12-C thick ceramic electrodes manufactured by powder injection moulding” [J. Eur. Ceram. Soc. 44 (2024) 978–985] Open
View article: Adaptive Multi‐Site Gradient Adsorption of Siloxane‐Based Protective Layers Enable High Performance Lithium‐Metal Batteries
Adaptive Multi‐Site Gradient Adsorption of Siloxane‐Based Protective Layers Enable High Performance Lithium‐Metal Batteries Open
Low Coulombic efficiency and significant capacity decay resulting from an unstable solid electrolyte interphase (SEI) and dendritic growth pose challenges to the practical application of lithium‐metal batteries. In this study, a highly eff…
View article: Beneficial impact of lithium bis(oxalato)borate as electrolyte additive for high‐voltage nickel‐rich lithium‐battery cathodes
Beneficial impact of lithium bis(oxalato)borate as electrolyte additive for high‐voltage nickel‐rich lithium‐battery cathodes Open
High‐voltage nickel‐rich layered cathodes possess the requisite, such as excellent discharge capacity and high energy density, to realize lithium batteries with higher energy density. However, such materials suffer from structural and inte…
View article: Sulfur/Reduced Graphite-Oxide and Dual-Anion Solid Polymer-Electrolyte Integrated Structure for High-Loading Practical All-Solid-State Lithium–Sulfur Battery
Sulfur/Reduced Graphite-Oxide and Dual-Anion Solid Polymer-Electrolyte Integrated Structure for High-Loading Practical All-Solid-State Lithium–Sulfur Battery Open
View article: Enabling High‐Stability of Aqueous‐Processed Nickel‐Rich Positive Electrodes in Lithium Metal Batteries
Enabling High‐Stability of Aqueous‐Processed Nickel‐Rich Positive Electrodes in Lithium Metal Batteries Open
Lithium batteries occupy the large‐scale electric mobility market raising concerns about the environmental impact of cell production, especially regarding the use of poly(vinylidene difluoride) (teratogenic) and N ‐methyl‐2‐pyrrolidone (NM…
View article: Toward the Potential Scale‐Up of Sn<sub>0.9</sub>Mn<sub>0.1</sub>O<sub>2</sub>‖LiNi<sub>0.6</sub>Mn<sub>0.2</sub>Co<sub>0.2</sub>O<sub>2</sub> Li‐Ion Batteries – Powering a Remote‐Controlled Vehicle and Life Cycle Assessment
Toward the Potential Scale‐Up of Sn<sub>0.9</sub>Mn<sub>0.1</sub>O<sub>2</sub>‖LiNi<sub>0.6</sub>Mn<sub>0.2</sub>Co<sub>0.2</sub>O<sub>2</sub> Li‐Ion Batteries – Powering a Remote‐Controlled Vehicle and Life Cycle Assessment Open
Academic research in the battery field frequently remains limited to small coin or pouch cells, especially for new materials that are still rather far from commercialization, which renders a meaningful evaluation at an early stage of devel…
View article: Enhancing the Interfacial Stability of High‐Energy Si/Graphite||LiNi<sub>0.88</sub>Co<sub>0.09</sub>Mn<sub>0.03</sub>O<sub>2</sub> Batteries Employing a Dual‐Anion Ionic Liquid‐based Electrolyte
Enhancing the Interfacial Stability of High‐Energy Si/Graphite||LiNi<sub>0.88</sub>Co<sub>0.09</sub>Mn<sub>0.03</sub>O<sub>2</sub> Batteries Employing a Dual‐Anion Ionic Liquid‐based Electrolyte Open
The poorly flammable room‐temperature ionic liquid‐based electrolyte composed of lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) and N‐butyl‐N‐methylpyrrolidinium bis(fluorosulfonyl)imide (Pyr 14 FSI) with fluoroethylene carbonate (FEC…
View article: Recent Advances in Layered Metal‐Oxide Cathodes for Application in Potassium‐Ion Batteries
Recent Advances in Layered Metal‐Oxide Cathodes for Application in Potassium‐Ion Batteries Open
To meet future energy demands, currently, dominant lithium‐ion batteries (LIBs) must be supported by abundant and cost‐effective alternative battery materials. Potassium‐ion batteries (KIBs) are promising alternatives to LIBs because KIB m…
View article: Stabilizing the Li<sub>1.3</sub>Al<sub>0.3</sub>Ti<sub>1.7</sub>(PO<sub>4</sub>)<sub>3</sub>|Li Interface for High Efficiency and Long Lifespan Quasi‐Solid‐State Lithium Metal Batteries
Stabilizing the Li<sub>1.3</sub>Al<sub>0.3</sub>Ti<sub>1.7</sub>(PO<sub>4</sub>)<sub>3</sub>|Li Interface for High Efficiency and Long Lifespan Quasi‐Solid‐State Lithium Metal Batteries Open
To tackle the poor chemical/electrochemical stability of Li 1+ x Al x Ti 2‐ x (PO 4 ) 3 (LATP) against Li and poor electrode|electrolyte interfacial contact, a thin poly[2,3‐bis(2,2,6,6‐tetramethylpiperidine‐ N ‐oxycarbonyl)norbornene] (PT…
View article: A beneficial combination of formic acid as a processing additive and fluoroethylene carbonate as an electrolyte additive for Li<sub>4</sub>Ti<sub>5</sub>O<sub>12</sub> lithium-ion anodes
A beneficial combination of formic acid as a processing additive and fluoroethylene carbonate as an electrolyte additive for Li<sub>4</sub>Ti<sub>5</sub>O<sub>12</sub> lithium-ion anodes Open
Formic acid is an efficient processing additive for Li 4 Ti 5 O 12 anodes, but the amount has to be carefully optimized. Fluoroethylene carbonate as electrolyte additive can further enhance the performance by facilitating the interfacial c…
View article: Anode-less seawater batteries with a Na-ion conducting solid-polymer electrolyte for power to metal and metal to power energy storage
Anode-less seawater batteries with a Na-ion conducting solid-polymer electrolyte for power to metal and metal to power energy storage Open
Seawater batteries (SWBs) have been mostly researched for large scale energy storage and (sub-)marine applications. However, they can also provide desalinized water upon charge and enable CO 2 -trapping upon discharge.
View article: High-Performance All-Solid-State Lithium–Sulfur Battery Assembly Using a Sulfur/Reduced Graphite Oxide Cathode and Dual-Anion Solid Polymer Electrolyte
High-Performance All-Solid-State Lithium–Sulfur Battery Assembly Using a Sulfur/Reduced Graphite Oxide Cathode and Dual-Anion Solid Polymer Electrolyte Open
View article: Redox‐Mediated Red‐Phosphorous Semi‐Liquid Anode Enabling Metal‐Free Rechargeable Na‐Seawater Batteries with High Energy Density
Redox‐Mediated Red‐Phosphorous Semi‐Liquid Anode Enabling Metal‐Free Rechargeable Na‐Seawater Batteries with High Energy Density Open
Sodium‐seawater batteries (Na‐SWB) are considered among the most promising electrochemical devices for large‐scale energy storage and the marine sector. In fact, by employing an open‐structured cathode, they benefit from the unlimited supp…
View article: A novel phosphonium ionic liquid electrolyte enabling high-voltage and high-energy positive electrode materials in lithium-metal batteries
A novel phosphonium ionic liquid electrolyte enabling high-voltage and high-energy positive electrode materials in lithium-metal batteries Open
View article: Dual-anion ionic liquid electrolyte enables stable Ni-rich cathodes in lithium-metal batteries
Dual-anion ionic liquid electrolyte enables stable Ni-rich cathodes in lithium-metal batteries Open
View article: Highly Stable Quasi‐Solid‐State Lithium Metal Batteries: Reinforced Li<sub>1.3</sub>Al<sub>0.3</sub>Ti<sub>1.7</sub>(PO<sub>4</sub>)<sub>3</sub>/Li Interface by a Protection Interlayer
Highly Stable Quasi‐Solid‐State Lithium Metal Batteries: Reinforced Li<sub>1.3</sub>Al<sub>0.3</sub>Ti<sub>1.7</sub>(PO<sub>4</sub>)<sub>3</sub>/Li Interface by a Protection Interlayer Open
NASICON‐type Li 1+x Al x Ti 2−x (PO 4 ) 3 (LATP) solid electrolytes have developed as a promising candidate for solid‐state lithium batteries. However, the brittle and stiff LATP suffers from poor physical contact with electrodes and chemi…
View article: Organic Liquid Crystals as Single‐Ion Li<sup>+</sup> Conductors
Organic Liquid Crystals as Single‐Ion Li<sup>+</sup> Conductors Open
The development of new materials for tomorrow's electrochemical energy storage technologies, based on thoroughly designed molecular architectures is at the forefront of materials research. In this line, we report herein the development of …
View article: Lithium Metal Batteries: Reducing Capacity and Voltage Decay of Co‐Free Li<sub>1.2</sub>Ni<sub>0.2</sub>Mn<sub>0.6</sub>O<sub>2</sub> as Positive Electrode Material for Lithium Batteries Employing an Ionic Liquid‐Based Electrolyte (Adv. Energy Mater. 34/2020)
Lithium Metal Batteries: Reducing Capacity and Voltage Decay of Co‐Free Li<sub>1.2</sub>Ni<sub>0.2</sub>Mn<sub>0.6</sub>O<sub>2</sub> as Positive Electrode Material for Lithium Batteries Employing an Ionic Liquid‐Based Electrolyte (Adv. Energy Mater. 34/2020) Open
In article number 2001830, Guk-Tae Kim, Stefano Passerini and co-workers highlight the benefits of employing ionic-liquid electrolytes (ILE) in combination with cobalt-free, lithium-rich layered oxide positive electrodes. The ILE dramatica…
View article: Reducing Capacity and Voltage Decay of Co‐Free Li<sub>1.2</sub>Ni<sub>0.2</sub>Mn<sub>0.6</sub>O<sub>2</sub> as Positive Electrode Material for Lithium Batteries Employing an Ionic Liquid‐Based Electrolyte
Reducing Capacity and Voltage Decay of Co‐Free Li<sub>1.2</sub>Ni<sub>0.2</sub>Mn<sub>0.6</sub>O<sub>2</sub> as Positive Electrode Material for Lithium Batteries Employing an Ionic Liquid‐Based Electrolyte Open
Lithium‐rich layered oxides (LRLOs) exhibit specific capacities above 250 mAh g −1 , i.e., higher than any of the commercially employed lithium‐ion‐positive electrode materials. Such high capacities result in high specific energies, meetin…
View article: Sodium Biphenyl as Anolyte for Sodium–Seawater Batteries
Sodium Biphenyl as Anolyte for Sodium–Seawater Batteries Open
Sodium‐based battery systems have recently attracted increasing research interest due to the abundant resources employed. Among various material candidates for the negative electrode, sodium metal provides the highest capacity of theoretic…
View article: Solid‐State Batteries: Overcoming the Interfacial Limitations Imposed by the Solid–Solid Interface in Solid‐State Batteries Using Ionic Liquid‐Based Interlayers (Small 14/2020)
Solid‐State Batteries: Overcoming the Interfacial Limitations Imposed by the Solid–Solid Interface in Solid‐State Batteries Using Ionic Liquid‐Based Interlayers (Small 14/2020) Open
In article number 2000279, Maximilian Fichtner, Stefano Passerini, and co-workers demonstrate improved interfacial properties of a lithium lanthanium zirconate (LLZO) solid-electrolyte (SE)-based solid-state battery by employing ionic liqu…
View article: Overcoming the Interfacial Limitations Imposed by the Solid–Solid Interface in Solid‐State Batteries Using Ionic Liquid‐Based Interlayers
Overcoming the Interfacial Limitations Imposed by the Solid–Solid Interface in Solid‐State Batteries Using Ionic Liquid‐Based Interlayers Open
Li‐garnets are promising inorganic ceramic solid electrolytes for lithium metal batteries, showing good electrochemical stability with Li anode. However, their brittle and stiff nature restricts their intimate contact with both the electro…
View article: Lithium‐Ion Batteries: Elucidating the Effect of Iron Doping on the Electrochemical Performance of Cobalt‐Free Lithium‐Rich Layered Cathode Materials (Adv. Energy Mater. 43/2019)
Lithium‐Ion Batteries: Elucidating the Effect of Iron Doping on the Electrochemical Performance of Cobalt‐Free Lithium‐Rich Layered Cathode Materials (Adv. Energy Mater. 43/2019) Open
In article number 1902445, Guk-Tae Kim, Stefano Passerini, and co-workers reveal the impact of iron doping on the performance fading mechanism of Co-free Li-rich (LRNM) layered oxide positive electrode materials. The introduction of iron r…
View article: Critical Evaluation of the Use of 3D Carbon Networks Enhancing the Long-Term Stability of Lithium Metal Anodes
Critical Evaluation of the Use of 3D Carbon Networks Enhancing the Long-Term Stability of Lithium Metal Anodes Open
The lithium metal anode is considered the ultimate goal for pushing the energy density of lithium batteries to the theoretical maximum. “Coating” metallic lithium with protective (carbon) layers has been reported as a viable method to miti…
View article: Elucidating the Effect of Iron Doping on the Electrochemical Performance of Cobalt‐Free Lithium‐Rich Layered Cathode Materials
Elucidating the Effect of Iron Doping on the Electrochemical Performance of Cobalt‐Free Lithium‐Rich Layered Cathode Materials Open
The eco‐friendly and low‐cost Co‐free Li 1.2 Mn 0.585 Ni 0.185 Fe 0.03 O 2 is investigated as a positive material for Li‐ion batteries. The electrochemical performance of the 3 at% Fe‐doped material exhibits an optimal performance with a c…