Electrochemical synthesis and hydrophilicity of micro-pored aluminum foil

Yue, Yuan; Wu, Fanglue; Choi, Hyun Rim; Shaver, Cassidy; Sanguino, Michael; Staffel, Jacob; Liang, Hong

doi:10.1016/j.surfcoat.2016.11.110

Cited by 14 publications

(6 citation statements)

References 59 publications

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“…Second, the usage of the innovative current collectors is another significant pathway to facilitate the electrode to reach better performance. Some hierarchical, porous, and light-weight conductive materials such as aluminum foils, [252][253][254] nickel foams, [255] carbon nanotube sponges, [256,257] and graphite foams [76] are competitive candidates as current collectors. The properties of the excellent electrical conductivity and the improved surface area of those current collectors are expected to enhance the electrochemical reactivity.…”

Section: Discussionmentioning

confidence: 99%

Micro‐ and Nano‐Structured Vanadium Pentoxide (V₂O₅) for Electrodes of Lithium‐Ion Batteries

Yue

Liang

2017

Advanced Energy Materials

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295

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deficiency. The exclusive research and industrial focus on the development of new energy sources cannot meet the current energy demands. The main reason is lack of efficient storage of the collected energy. Because the consumption rate of generated energy usually cannot be synchronized with the rate of generation. Fortunately, this problem has received attention from researchers and engineers around the world. Electrochemical energy storage devices (EESDs) [1,2] are competitive candidates for energy storage. Lithiumion batteries (LIBs), [3][4][5][6][7][8][9][10][11] electron double layer capacitors (EDLCs) as well as pseudocapacitors (PCs), [12][13][14][15][16][17] lithium-sulfur (Li-S) batteries, [18][19][20][21][22] lithium-air (Li-air) or lithium-oxygen (Li-O 2 ) batteries, [23][24][25][26][27][28][29] sodium-ion batteries, [30][31][32][33] magnesium-ion batteries, [34] lithium solid state batteries, [35] among others are currently popular EESDs. Among those devices, lithium-ion batteries are of great interest. Since being initially commercialized by Sony, Inc. in 1990, [36] for more than a quarter of a century, the lithium-ion battery has become a popular, portable, and rechargeable second battery used in various applications such as personal electronic devices, [37] electric vehicles, [38] hybrid electric vehicles, [39] and smart grids. [40] To date, it is still needed to further improve the electrochemical performance of lithium-ion batteries. The fabrication of novel and reliable electrode materials is critical for further development of better lithium-ion batteries.A lithium-ion battery cell usually includes components of a solid-state positive electrode (cathode), a solid-state negative electrode (anode), some lithium-ion included liquidstate electrolyte (can be either non-aqueous or aqueous [41] ), a polymeric separator, and a pair of the current collectors with encapsulated cases. [3] If an external voltage applied to both electrodes, lithium ions are deintercalated from cathode to anode through the electrolyte, so called the charging process; when there is an external loading applied to both electrodes, lithium ions are intercalated into unlithiated cathode from lithiated anode through the electrolyte again, i.e., the discharging process. [3,39,42] The discharging procedure of a LIB cell is shown in Figure 1. [39] The role of the porous separator is to prevent the short circuit inside a cell. As the most significant components of one lithium-ion battery cell, the properties of both cathode and anode materials determine the electrochemical energy storage ability of the cell. Therefore, the selection of Vanadium pentoxide (V 2 O 5 ) has played important roles in lithium-ion batteries due to its unique crystalline structure. To assist researchers understanding the roles this material plays, a comprehensive and critical review is conducted based on about 250 publications. Here, we report basics and applications of micro-and nano-materials of V 2 O 5 and V 2 O 5 -based composites. The comparative and stati...

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Section: Discussionmentioning

confidence: 99%

Micro‐ and Nano‐Structured Vanadium Pentoxide (V₂O₅) for Electrodes of Lithium‐Ion Batteries

Yue

Liang

2017

Advanced Energy Materials

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295

175

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“…This configuration brings a highly porous, high‐surface‐area, 3D‐interconnected morphology with optimized pore sizes. To fabricate such structures, top‐down methods of lithography‐related techniques, electrochemical etching, and laser‐induced etching have been reported. Bottom‐up methods such as electrochemical/electroless deposition, and additive manufacturing (i.e., 3D printing) can also be used.…”

Section: Discussionmentioning

confidence: 99%

3D Current Collectors for Lithium‐Ion Batteries: A Topical Review

2018

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Current collectors play important roles in enhancing the electrochemical performance of lithium‐ion batteries. Currently used collectors are mostly made of aluminum or copper foils through slurry casting with binders that have not reached optimal capacity. Furthermore, extended cycles of charge and discharge induce detachment of the cast layer, resulting in damage to the structural integrity. In order to better understand the principles of the performance of and thus optimize current collectors, a critical review is conducted focusing on their structures. Through analysis of data collected from more than 50 publications, the capacity and retention as a function of current density and charge cycle, respectively, are identified. Two new terms, which are characteristic of 3D current collectors, are defined as Regime I and Regime II in the corresponding plots. Regime I refers to the maximum reversible capacity and Regime II to the maximum capacitor retention. The greater the values of those values, the greater the enhancement of capacity and retention. Using these concepts, it is predicted that carbonaceous and fibrous 3D hierarchical current collectors would be beneficial as battery collectors. The results and approach provide perspective for future design and advancement of electrochemical energy‐storage devices.

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“… Fundamentally, the wetting process is controlled by the forces acting on the water droplets above the PI nanofibrous substrate, which includes the gravity of water droplets, the capillary force of membrane channels, the hydrophobic force of substrate surface, and the interfacial force between droplets and substrate (Figure S22). The gravity and the ignorable capillary force induced by the large channels of the PI substrate are not enough to overcome the strong hydrophobic repulsive force of the substrate surface, thus preventing the water droplets from penetrating. , The large and stable dynamic water contact angle (DWCA) of the PI nanofibrous substrate further demonstrates its poor wettability (Figure a), leading to the difficult spreading of aqueous solution on the substrate. Therefore, complex chemical treatments are usually required to improve the hydrophilicity before the IP process is executed on PI nanofibrous substrate.…”

Section: Improving Wettability Of Substrates Via Cncs-patterning For ...mentioning

confidence: 99%

Locking Patterned Carbon Nanotube Cages by Nanofibrous Mats to Construct Cucurbituril[n]-Based Ultrapermselective Dye/Salt Separation Membranes

Zhao,

Cao,

Luo

et al. 2023

Nano Lett.

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Surface patterning is a promising strategy to overcome the trade-off effect of separation membranes. Herein, a bottom-up patterning strategy of locking micron-sized carbon nanotube cages (CNCs) onto a nanofibrous substrate is developed. The strongly enhanced capillary force triggered by the abundant narrow channels in CNCs endows the precisely patterned substrate with excellent wettability and antigravity water transport. Both are crucial for the preloading of cucurbit[n]uril (CB6)-embeded amine solution to form an ultrathin (∼20 nm) polyamide selective layer clinging to CNCs-patterned substrate. The CNCs-patterning and CB6 modification result in a 40.2% increased transmission area, a reduced thickness, and a lowered cross-linking degree of selective layer, leading to a high water permeability of 124.9 L•m −2 h −1 bar −1 and a rejection of 99.9% for Janus Green B (511.07 Da), an order of magnitude higher than that of commercial membranes. The new patterning strategy provides technical and theoretical guidance for designing next-generation dye/salt separation membranes.

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Electrochemical synthesis and hydrophilicity of micro-pored aluminum foil

Cited by 14 publications

References 59 publications

Micro‐ and Nano‐Structured Vanadium Pentoxide (V₂O₅) for Electrodes of Lithium‐Ion Batteries

Micro‐ and Nano‐Structured Vanadium Pentoxide (V₂O₅) for Electrodes of Lithium‐Ion Batteries

3D Current Collectors for Lithium‐Ion Batteries: A Topical Review

Locking Patterned Carbon Nanotube Cages by Nanofibrous Mats to Construct Cucurbituril[n]-Based Ultrapermselective Dye/Salt Separation Membranes

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Electrochemical synthesis and hydrophilicity of micro-pored aluminum foil

Cited by 14 publications

References 59 publications

Micro‐ and Nano‐Structured Vanadium Pentoxide (V2O5) for Electrodes of Lithium‐Ion Batteries

Micro‐ and Nano‐Structured Vanadium Pentoxide (V2O5) for Electrodes of Lithium‐Ion Batteries

3D Current Collectors for Lithium‐Ion Batteries: A Topical Review

Locking Patterned Carbon Nanotube Cages by Nanofibrous Mats to Construct Cucurbituril[n]-Based Ultrapermselective Dye/Salt Separation Membranes

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Product

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Micro‐ and Nano‐Structured Vanadium Pentoxide (V₂O₅) for Electrodes of Lithium‐Ion Batteries

Micro‐ and Nano‐Structured Vanadium Pentoxide (V₂O₅) for Electrodes of Lithium‐Ion Batteries