Opportunities and reality of aqueous rechargeable batteries

J Shin, JW Choi - Advanced Energy Materials, 2020 - Wiley Online Library
Despite the dominance of lithium‐ion batteries (LIBs) in today's battery market, they are not
flawless. Accordingly, the battery community is striving to strengthen the global battery …

Surface dissolution and amorphization of electrocatalysts during oxygen evolution reaction: Atomistic features and viewpoints

TG Yun, Y Sim, Y Lim, D Kim, JS An, H Lee, Y Du… - Materials Today, 2022 - Elsevier
Electrochemical electrolysis with an aqueous electrolyte is a key method to obtain green
hydrogen energy, convert carbon dioxide into high value-added carbon-based chemicals …

Dissolution-induced surface roughening and oxygen evolution electrocatalysis of alkaline-earth iridates in acid

CW Song, H Suh, J Bak, HB Bae, SY Chung - Chem, 2019 - cell.com
Alkaline and alkaline-earth iridates have garnered much attention, as they can outperform
traditional IrO 2 for oxygen evolution electrocatalysis under acidic conditions. Despite the …

Atomic-scale perturbation of oxygen octahedra via surface ion exchange in perovskite nickelates boosts water oxidation

J Bak, H Bin Bae, SY Chung - Nature Communications, 2019 - nature.com
A substantial amount of interest has been focused on AB O3-type perovskite oxides over the
past decade as oxygen electrocatalysts. Despite many studies on various compositions, the …

Metal Ions versus Protons: Tracking of Charge‐Carrier Insertion into a Cathode Oxide in Aqueous Rechargeable Batteries

C Lee, Y Hong, D Kim, Y Lim, JW Choi… - Advanced Functional …, 2023 - Wiley Online Library
Protons in aqueous electrolytes can perform as an additional type of charge carrier for
insertion/extraction in addition to the primary carrier cations in aqueous rechargeable …

Direct Probing of Lattice‐Strain‐Induced Oxygen Release in LiCoO2 and Li2MnO3 without Electrochemical Cycling

D Kim, J Hwang, P Byeon, W Kim, DG Kang… - Advanced …, 2023 - Wiley Online Library
Since the recognition of a significant oxygen‐redox contribution to enhancing the capacity of
Li transition‐metal oxide cathodes, the oxygen release and subsequent structural variations …

Atomic-level manipulations in oxides and alloys for electrocatalysis of oxygen evolution and reduction

J Bak, Y Heo, TG Yun, SY Chung - ACS nano, 2020 - ACS Publications
As chemical reactions and charge-transfer simultaneously occur on the catalyst surface
during electrocatalysis, numerous studies have been carried out to attain an in-depth …

Effect of Lattice Strain on the Formation of Ruddlesden–Popper Faults in Heteroepitaxial LaNiO3 for Oxygen Evolution Electrocatalysis

J Bak, HB Bae, C Oh, J Son… - The Journal of Physical …, 2020 - ACS Publications
A great deal of research has recently been focused on Ruddlesden–Popper (RP) two-
dimensional planar faults consisting of intervened [AO] monolayers in an ABO3 perovskite …

Enhanced charge transport properties of an LFP/C/graphite composite as a cathode material for aqueous rechargeable lithium batteries

W Duan, M Husain, Y Li, Y Yang, C Ma, Y Zhao, X Li - RSC advances, 2023 - pubs.rsc.org
Electrodes that offer quick ion transport, a large surface area, and excellent electrical
conductivity support high performance aqueous rechargeable lithium batteries. LiFePO4 …

Observation of fault-free coherent layer during Ruddlesden–Popper faults generation in LaNiO3 thin films

J Bak, SY Chung - Journal of the Korean Ceramic Society, 2021 - Springer
Two-dimensional lattice defects, including surface and grain boundaries, in various
perovskite oxides have garnered considerable attention, as the overall physical properties of …