Boosting Coulombic Efficiency of Conversion‐Reaction Anodes for Potassium‐Ion Batteries via Confinement Effect
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202007712
Abstract: Potassium‐ion battery anode materials with high capacity always hold one or more K ions and are companied by large volume swelling, which threatens the stability of solid‐electrolyte‐interface (SEI) layers, and results in low coulombic efficiency… read more here.
Keywords: confinement effect; potassium ion; efficiency; coulombic efficiency ... See more keywords
A Universal Strategy toward the Precise Regulation of Initial Coulombic Efficiency of Li-Rich Mn-Based Cathode Materials.
Sign Up to like & getrecommendations! Published in 2021 at "Advanced materials"
DOI: 10.1002/adma.202103173
Abstract: Li-rich Mn-based cathode materials (LRMs) are potential cathode materials for high energy density lithium-ion batteries. However, low initial Coulombic efficiency (ICE) severely hinders the commercialization of LRM. Herein, a facile oleic acid-assisted interface engineering is… read more here.
Keywords: initial coulombic; cathode materials; coulombic efficiency; based cathode ... See more keywords
Low‐Temperature Growth of Hard Carbon with Graphite Crystal for Sodium‐Ion Storage with High Initial Coulombic Efficiency: A General Method
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Energy Materials"
DOI: 10.1002/aenm.201803648
Abstract: Practical application of hard carbon materials in sodium‐ion batteries (SIBs) is largely limited by their low initial coulombic efficiency (ICE), which may be improved by increasing the graphitization degree. However, biomass‐derived hard carbon is usually… read more here.
Keywords: graphite crystals; carbon; initial coulombic; sodium ion ... See more keywords
Engineering Mesoporous Structure in Amorphous Carbon Boosts Potassium Storage with High Initial Coulombic Efficiency
Sign Up to like & getrecommendations! Published in 2020 at "Nano-Micro Letters"
DOI: 10.1007/s40820-020-00481-7
Abstract: A facile self-etching strategy was used to obtain mesoporous carbon (meso-C) nanowires with zinc-catalyzed short-range ordered structure. Meso-C anode showed high initial Coulombic efficiency (76.7%) and excellent cycling stability (1000 cycles) for potassium-ion batteries. In/ex… read more here.
Keywords: initial coulombic; engineering; carbon; coulombic efficiency ... See more keywords
Uniform lithium deposition and dissolution via metallic phosphides medium for stable cycling lithium metal batteries
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2020.126861
Abstract: Abstract Due to high theoretical specific capacity and low redox potential, metallic lithium attracts much attention as the “Holy Grail” anodes for next generation of high energy density lithium metal batteries (LMBs). However, severe coulombic… read more here.
Keywords: coulombic efficiency; nickel phosphides; metal; lithium metal ... See more keywords
SnS2-CoS2@C nanocubes as high initial coulombic efficiency and long-life anodes for sodium-ion batteries
Sign Up to like & getrecommendations! Published in 2021 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2021.138525
Abstract: Abstract Bimetallic sulfides are considered as one of the most promising anode materials for sodium ion batteries (SIBs) due to their high conductivity and electrochemical activity. However, they still suffer from challenges such as large… read more here.
Keywords: ion batteries; coulombic efficiency; initial coulombic; efficiency ... See more keywords
Understanding and improving the initial Coulombic efficiency of high-capacity anode materials for practical sodium ion batteries
Sign Up to like & getrecommendations! Published in 2019 at "Energy Storage Materials"
DOI: 10.1016/j.ensm.2019.05.008
Abstract: Abstract Sodium ion batteries have emerged as a potential low-cost candidate for energy storage systems due to the earth abundance and availability of Na resource. With the exploitation of high-performance electrode materials and in-depth mechanism… read more here.
Keywords: coulombic efficiency; initial coulombic; sodium ion; ion ... See more keywords
A high-performance tin dioxide@carbon anode with a super high initial coulombic efficiency via a primary cell prelithiation process
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2017.12.336
Abstract: Abstract Recently, many exciting achievements have been made in improving the cycling performance of SnO2-based electrode. However, the low initial Coulombic efficiency of SnO2-based electrode caused by the formation of solid electrolyte interphase and some… read more here.
Keywords: initial coulombic; coulombic efficiency; high initial; primary cell ... See more keywords
Cycling capacity recovery effect: A coulombic efficiency and post-mortem study
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Power Sources"
DOI: 10.1016/j.jpowsour.2017.08.090
Abstract: Abstract The analysis of lithium-ion battery aging relies on correct differentiation between irreversible and reversible capacity changes. Anode overhang regions have been observed to influence Coulombic Efficiency (CE) measurements through lithium diffusion into and out… read more here.
Keywords: anode overhang; storage; lithiation; capacity ... See more keywords
Simultaneously enhancing power density and coulombic efficiency with a hydrophobic Fe–N4/activated carbon air cathode for microbial fuel cells
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Power Sources"
DOI: 10.1016/j.jpowsour.2020.228264
Abstract: Abstract The application of microbial fuel cells (MFCs) for electricity generation is still hindered by relatively low power densities and coulombic efficiencies. Here a hydrophobic Fe–N4 macromolecule catalyst was directly immobilized on the activated carbon… read more here.
Keywords: catalyst; coulombic efficiency; power density; power ... See more keywords
Fluorinated co-solvent promises Li-S batteries under lean-electrolyte conditions
Sign Up to like & getrecommendations! Published in 2020 at "Materials Today"
DOI: 10.1016/j.mattod.2020.06.007
Abstract: Abstract Practical lithium-sulfur batteries stipulate the use of a lean-electrolyte and a high Coulombic efficiency of the lithium metal anode. Herein, we employ 1,1,2,2-tetrafluoroethyl 2,2,2-trifluoroethyl ether as a co-solvent in the electrolyte of Li-S batteries… read more here.
Keywords: coulombic efficiency; lean electrolyte; anode; lithium ... See more keywords