Building a Self‐Adaptive Protective Layer on Ni‐Rich Layered Cathodes to Enhance the Cycle Stability of Lithium‐Ion Batteries
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202204835
Abstract: Layered Ni‐rich lithium transition metal oxides are promising battery cathodes due to their high specific capacity, but their poor cycling stability due to intergranular cracks in secondary particles restricts their practical applications. Surface engineering is… read more here.
Keywords: layer; cycling stability; lithium; self adaptive ... See more keywords
Li[Ni0.9Co0.09W0.01]O2: A New Type of Layered Oxide Cathode with High Cycling Stability
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Energy Materials"
DOI: 10.1002/aenm.201902698
Abstract: Substituting W for Al in the Ni‐rich cathode Li[Ni0.885Co0.10Al0.015]O2 (NCA89) produces Li[Ni0.9Co0.09W0.01]O2 (NCW90) with markedly reduced primary particle size. Particle size refinement considerably improves the cathode's cycling stability such that the NCW90 cathode retains 92%… read more here.
Keywords: 9co0 09w0; layered oxide; cycling stability; cathode ... See more keywords
From 0D to 3D: Dimensional Control of Bismuth for Potassium Storage with Superb Kinetics and Cycling Stability
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Energy Materials"
DOI: 10.1002/aenm.202102263
Abstract: Bismuth‐based anode for potassium ion batteries (KIBs) has gained great attention due to its high volumetric specific capacity (3800 mA h mL−1). However, the Bi‐based materials face a huge volumetric change upon the cycling process.… read more here.
Keywords: dimensional control; cycling stability; control bismuth; bismuth ... See more keywords
Re-stickable Yarn Supercapacitors with Vaper Phase Polymerized Multi-layered Polypyrrole Electrodes for Smart Garments.
Sign Up to like & getrecommendations! Published in 2022 at "Macromolecular rapid communications"
DOI: 10.1002/marc.202200347
Abstract: Yarn supercapacitors have attracted significant attention for wearable energy storage due to their ability to be direct integrated with garments. Conducting polymer polypyrrole (PPy) based yarn supercapacitors show limited cycling stability because of the huge… read more here.
Keywords: yarn supercapacitors; stickable yarn; smart garments; cycling stability ... See more keywords
Understanding the Degradation Mechanisms of Conducting Polymer Supercapacitors.
Sign Up to like & getrecommendations! Published in 2023 at "Macromolecular rapid communications"
DOI: 10.1002/marc.202300237
Abstract: Conducting polymers like polyaniline (PANI) are promising pseudocapacitive electrode materials, yet experience instability in cycling performance. Since polymers often degrade into oligomers, short chain length anilines have been developed to improve the cycling stability of… read more here.
Keywords: understanding degradation; cycling; cycling stability; mechanisms conducting ... See more keywords
Boosting the Cycling Stability of Aqueous Flexible Zn Batteries via F Doping in Nickel-Cobalt Carbonate Hydroxide Cathode.
Sign Up to like & getrecommendations! Published in 2020 at "Small"
DOI: 10.1002/smll.202001935
Abstract: Cathodes of rechargeable Zn batteries typically face the issues of irreversible phase transformation, structure collapse, and volume expansion during repeated charge/discharge cycles, which result in an increased transfer resistance and poor long-term cycling stability. Herein,… read more here.
Keywords: cobalt carbonate; nickel cobalt; cycling stability; cathode ... See more keywords
Biomass-derived multi-heteroatom-doped carbon materials for high-performance solid-state symmetric supercapacitors with superior long-term cycling stability
Sign Up to like & getrecommendations! Published in 2020 at "Ionics"
DOI: 10.1007/s11581-020-03556-y
Abstract: In order to fabricate high-performance supercapacitors with desirable energy density and excellent cycling stability, this work aimed to synthesize biomass-derived carbon materials with great electrochemical performance, especially with superior long-term cycling stability, via a facile… read more here.
Keywords: cycling stability; carbon materials; biomass derived; performance ... See more keywords
The toughening design of pseudocapacitive materials via graphene quantum dots: Towards enhanced cycling stability for supercapacitors
Sign Up to like & getrecommendations! Published in 2019 at "Carbon"
DOI: 10.1016/j.carbon.2019.07.095
Abstract: Abstract Poor cycling stability of various pseudocapacitive electrode materials has been a major obstacle facing in front of the development of supercapacitors. Herein, we for the first time bring the toughening mechanism into the design… read more here.
Keywords: quantum dots; graphene quantum; stability; design pseudocapacitive ... See more keywords
Polyol-mediated carbon-coated Li4Ti5O12 nanoparticle/graphene composites with long-term cycling stability for lithium and sodium ion storages
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2019.123984
Abstract: Abstract Nano-sized oxides are investigated to improve rate capability by decreasing ion and electron travel length. However, extended contact area of nano-sized oxides with electrolyte causes undesirable side reactions and poor cycling stability. Interestingly, previous… read more here.
Keywords: coated li4ti5o12; carbon; cycling stability; carbon coated ... See more keywords
Copper-substituted NaxMO2 (M = Fe, Mn) cathodes for sodium ion batteries: Enhanced cycling stability through suppression of Mn(III) formation
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2020.126830
Abstract: Abstract Adding Cu2+ has substantially boosted the practical potentiality of Fe/Mn-based layered cathodes for sodium ion batteries (SIBs) owing to the enhanced stabilities, which were previously ascribed to the raised valence of Mn. Herein, the… read more here.
Keywords: sodium ion; iii; cathodes sodium; cu2 ... See more keywords
Ultralong cycling stability of carbon-nanotube/LiFePO4 nanocomposites as electrode materials for lithium-ion batteries
Sign Up to like & getrecommendations! Published in 2017 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2017.02.161
Abstract: Abstract We developed a method to make CNTs fully coated by polyvinylpyrrolidone (PVP), which acts as an agent to effectively combine CNTs and LiFePO 4 to form a nanocomposite. In this nanocomposite, unbreaking and non-entangling… read more here.
Keywords: capacity; cycling stability; electrode materials; ultralong cycling ... See more keywords