Processing of a Large‐Scale Microporous Group on Copper Foil Current Collectors for Lithium Batteries Using Femtosecond Laser
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Engineering Materials"
DOI: 10.1002/adem.202000710
Abstract: Due to the thin thickness (≈8 μm) and soft nature of copper foil current collectors, it is extremely difficult to process large‐scale micro–nano holes on their surface. In this study, trepanning drilling of a copper foil… read more here.
Keywords: copper; femtosecond laser; current collectors; foil current ... See more keywords
Quasifractal Networks as Current Collectors for Transparent Flexible Supercapacitors
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Functional Materials"
DOI: 10.1002/adfm.201906618
Abstract: A high performance, transparent, and simultaneously mechanically flexible supercapacitor, with electrodes based on a bio‐inspired, quasifractal metallic network is demonstrated. Excellent performance parameters, such as the specific capacitance of 5.6 mF cm−2 (at 45% transparency),… read more here.
Keywords: collectors transparent; flexible supercapacitors; transparent flexible; networks current ... See more keywords
Nonmetal Current Collectors: The Key Component for High-Energy-Density Aluminum Batteries.
Sign Up to like & getrecommendations! Published in 2020 at "Advanced materials"
DOI: 10.1002/adma.202001212
Abstract: As one of the emerging safe energy-storage devices with high energy-to-cost ratio, nonaqueous aluminum batteries with enhanced energy density are intensively pursued by researchers. Although significant progress has been made on positive electrode materials, the… read more here.
Keywords: energy; current collectors; aluminum batteries; density ... See more keywords
Aluminum Chloride‐Graphite Batteries with Flexible Current Collectors Prepared from Earth‐Abundant Elements
Sign Up to like & getrecommendations! Published in 2018 at "Advanced Science"
DOI: 10.1002/advs.201700712
Abstract: Abstract In the search for low‐cost and large‐scale stationary storage of electricity, nonaqueous aluminum chloride‐graphite batteries (AlCl3‐GBs) have received much attention due to the high natural abundances of their primary constituents, facile manufacturing, and high… read more here.
Keywords: graphite batteries; aluminum chloride; graphite; current collectors ... See more keywords
Anodic Dissolution of Al Current Collectors in Unconventional Solvents for High Voltage Electrochemical Double-Layer Capacitors.
Sign Up to like & getrecommendations! Published in 2017 at "ChemSusChem"
DOI: 10.1002/cssc.201701422
Abstract: This study investigated the anodic dissolution of Al current collectors in unconventional electrolytes for high voltage electrochemical double-layer capacitors (EDLCs) containing adiponitrile (ADN), 3-cyanopropionic acid methyl ester (CPAME), 2-methyl-glutaronitrile (2-MGN) as solvent, and tetraethylammonium tetrafluoroborate… read more here.
Keywords: anodic dissolution; high voltage; dissolution current; current collectors ... See more keywords
Compact 3D Metal Collectors Enabled by Roll-to-Roll Nanoimprinting for Improving Capacitive Energy Storage.
Sign Up to like & getrecommendations! Published in 2022 at "Small methods"
DOI: 10.1002/smtd.202101539
Abstract: Reducing the contact resistance between active materials and current collectors is of engineering importance for improving capacitive energy storage. 3D current collectors have shown extraordinary promise for reducing the contact resistance, however, there is a… read more here.
Keywords: energy; roll nanoimprinting; improving capacitive; roll ... See more keywords
Electrochemical stability of steel, Ti, and Cu current collectors in water-in-salt electrolyte for green batteries and supercapacitors
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Solid State Electrochemistry"
DOI: 10.1007/s10008-020-04853-2
Abstract: The electrochemical behaviour of steel, copper, and titanium current collectors was studied in aqueous solutions of lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) at various concentrations, from 0.5 up to 20 m. As the concentration of the electrolyte increases,… read more here.
Keywords: stability; current collectors; water; electrolyte ... See more keywords
Regulating lithium nucleation and growth by zinc modified current collectors
Sign Up to like & getrecommendations! Published in 2019 at "Nano Research"
DOI: 10.1007/s12274-019-2567-7
Abstract: Lithium metal is commonly regarded as the “Holy Grail” anode material for high energy density rechargeable batteries. However, the uncontrollable growth of Li dendrites has posed safety concerns and thus greatly hindered its large-scale application.… read more here.
Keywords: nucleation growth; current collectors; nucleation; regulating lithium ... See more keywords
Advanced Current Collectors for Alkali Metal Anodes
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Research in Chinese Universities"
DOI: 10.1007/s40242-020-0098-y
Abstract: High-energy-density batteries are in urgent need to solve the ever-increasing energy storage demand for portable electronic devices, electric vehicles, and renewable solar and wind energy systems. Alkali metals, typically lithium(Li), sodium(Na) and potassium(K), are considered… read more here.
Keywords: collectors alkali; alkali metal; current collectors; metal ... See more keywords
A review on structuralized current collectors for high-performance lithium-ion battery anodes
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DOI: 10.1016/j.apenergy.2020.115464
Abstract: Abstract As environmentally friendly and high-energy density rechargeable energy storage devices, lithium-ion batteries (LIBs) have thriving prospects in the field of energy. The current collector, which serves as an important component of LIBs, significantly influences… read more here.
Keywords: energy; current collectors; structuralized current; battery ... See more keywords
Highly stable nickel-aluminum alloy current collectors and highly defective multi-walled carbon nanotubes active material for neutral aqueous-based electrochemical capacitors
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Energy Storage"
DOI: 10.1016/j.est.2019.01.013
Abstract: Abstract Neutral aqueous electrolytes are known to promote corrosion of carbon coated aluminum current collectors used in electrochemical capacitors, limiting their applications on energy storage devices. Alternatively to the standard electrode manufacturing recipe, we have… read more here.
Keywords: electrochemical capacitors; aqueous based; aluminum; neutral aqueous ... See more keywords