Electrospun titania-based fibers for high areal capacity Li-ion battery anodes

High Areal Capacity Si/LiCoO2 Batteries from Electrospun Composite Fiber Mats

“…Based on our encouraging prior resultsw ith electrospun particle/polymer electrodes containing moderate capacity materials, [19][20][21] it makes senset oa pply the technique to high capacity Si-based anodes. Ap article/polymer fiber mat containing Si nanoparticles is fundamentally different from and offers severala dvantages over previously reported Si/C fiber anodes prepared by high-temperature pyrolysis.…”

“…[19][20][21][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36][37] For electrospun Si anodes, previouss tudies utilized pyrolyzed fibers with embedded Si particles to create an electronically conductive Si/C nanofiber network. [19][20][21][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36][37] For electrospun Si anodes, previouss tudies utilized pyrolyzed fibers with embedded Si particles to create an electronically conductive Si/C nanofiber network.…”

“…[19][20][21] The preparation andc haracterization of several particle/polymer fiber matL IB electrodes have been reported, including:i )anodes containing titania nanoparticles, carbon powder, and poly(acrylic acid) (TiO 2 /C/PAA); [19] ii)anodesc ontaining carbon powder and poly(vinylidene fluoride) (C/PVDF); [20] and iii)cathodes containing LiCoO 2 nanoparticles, carbon powder,a nd PVDF (LiCoO 2 /C/PVDF). [19][20][21] The preparation andc haracterization of several particle/polymer fiber matL IB electrodes have been reported, including:i )anodes containing titania nanoparticles, carbon powder, and poly(acrylic acid) (TiO 2 /C/PAA); [19] ii)anodesc ontaining carbon powder and poly(vinylidene fluoride) (C/PVDF); [20] and iii)cathodes containing LiCoO 2 nanoparticles, carbon powder,a nd PVDF (LiCoO 2 /C/PVDF).…”

“…Ap article/polymer fiber mat containing Si nanoparticles is fundamentally different from and offers severala dvantages over previously reported Si/C fiber anodes prepared by high-temperature pyrolysis. [7,[19][20][21] Electrospun particle/polymer fibers can also be made with ab inder that absorbse lectrolyte, ensuring that Li + ions have access to most/all Si nanoparticles in the electrode. [19][20][21] High areal capacity is desired to reduce the relative amount of inactive cell components (e.g.,c urrent collectors and separators), and high volumetricc apacity is critical for many applicationsi n which the space allotted for ab attery is limited (e.g.,e lectric vehicles).…”

Hybrid systems based on metal oxide and nanocarbons: electronic properties and applications for photocatalysis

“…In particular, nanofibres formed by electrospinning technique, a simple and versatile approach that further can be easily scaled-up, results to be a very attractive morphology for the benefit of many applications such as catalysis [Regonini et al 2013:2], solar cells [Ramakrishna et al 2006] or batteries. [Self et al 2015] Although electrospinning technique has commonly used in the formation of polymer fibres, ceramic fibres can be also obtained through its combination with the sol-gel process.…”