Electrolytes for Li-ion transport – Review

Marcinek, Marek; Syzdek, Jarosław; Marczewski, Maciej; Piszcz, Michał; Niedzicki, Leszek; Kalita, M.; Plewa-Marczewska, A.; Bitner, Anna; Wieczorek, Piotr Z.; Trzeciak, Tomasz; Kasprzyk, Marta; Łężak, P.; Żukowska, G.Z.; Zalewska, A.; Wieczorek, W.

doi:10.1016/j.ssi.2015.02.006

Cited by 209 publications

(176 citation statements)

References 220 publications

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“…In addition, solid electrolytes are safer than liquid electrolytes as they do not have a leakage problem and because of their nontoxic, low-vaporpressure, and non-flammable properties. [1][2][3][4][5][6][7] Ion-polyether complexes (or polymer electrolytes) were first discovered by Fenton, Parker and Wright in 1973. 8 Since then, such complexes have been prepared with many different monatomic ions and indeed many different polymeric ligands.…”

Section: Solid Polymer Electrolytes-structure and Mechanism Of Ion Trmentioning

confidence: 99%

“…On the basis of XRD, 2D-exchange 13 C NMR and dielectric-spectroscopy studies, ion transport decoupled from segmental relaxation was suggested for crystalline LiAsF 6 :P(EO) 6 complexes in. 82 Bruce et al propose different ways to enhance, by several orders of magnitude, the low ionic conductivity (10 −7 S cm −1 ) of crystalline P(EO) 6 :LiXF 6 complexes. These include isovalent and aliovalent anionic doping, modifying the ends of the polymer chains by glymes, varying the average molecular weight of the polymer and/or its dispersion.…”

Section: Polymer Systems With Decoupled Ion Transportmentioning

confidence: 99%

“…These include isovalent and aliovalent anionic doping, modifying the ends of the polymer chains by glymes, varying the average molecular weight of the polymer and/or its dispersion. [83][84][85][86][87] It was found, for example, that by replacing a few mol% of the XF 6 − ions by monovalent ions of very different shape and size (e.g., N(SO 2 CF 3 ) 2 − ) or anions of different charge (e.g., SiF 6 2− ), can raise the ionic conductivity by 1.5-2 orders of magnitude above that of the stoichiometric complexes. The increased number of chain ends arising from replacement of the 1000Da PEO (22 EO units) by tetraglyme increases the number of defects that are present where chain ends meet along the PEO tunnels, within which the Li + ions migrate, thus raising the conductivity above that of the undoped 6:1 complex.…”

Section: Polymer Systems With Decoupled Ion Transportmentioning

confidence: 99%

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Review—On Order and Disorder in Polymer Electrolytes

Golodnitsky

Strauss

Greenbaum

2015

J. Electrochem. Soc.

199

135

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This contribution presents an overview of more than three-decades-long studies of the structure and mechanism of ion conduction in polyethylene-oxide-based solid polymer electrolytes. Conductivity in polymer electrolytes has long been viewed as confined to the amorphous phase above the glass-transition temperature (Tg). Above Tg, polymer chain motion creates a dynamic, disordered environment that was thought to play a critical role in facilitating ion transport. Difficulty of finding the amorphous polymer with sufficient ionic conductivity has raised the fundamental question of whether polymer electrolytes are intrinsically inferior to other electrolytes in terms of their charge-transport capability. Recently, enhanced ionic conductivity has been detected in ordered (longitudinally stretched and cast under gradient magnetic field) polymer electrolytes, in crystalline ion-polyether 1:6 complexes and polymer-in-salt electrolytes. These results have opened a new trend in the search for ion transport in solid polymer electrolytes. The very latest publications present new hybrid-and block-co-polymers, a new class of functional materials (polymerized ionic liquids), and new promising approaches aimed at the development of polymer-based superionic conductors with rigid nanochannel architectures that enable rapid ion transport decoupled from segmental relaxation. Solid Polymer Electrolytes-Structure and Mechanism of Ion TransportMuch research deals with high-ionic-conductive polymer electrolytes because of their current and potential applications as electrochromic and temperature-sensitive printed electronics devices, biomedical sensors, supercapacitors, solar cells and batteries. Polymer electrolytes offer pronounced advantages over conventional liquid electrolytes. These include: a versatile shape, mechanical strength and stable contact between the electrode and electrolyte interfaces. In addition, solid electrolytes are safer than liquid electrolytes as they do not have a leakage problem and because of their nontoxic, low-vaporpressure, and non-flammable properties. [1][2][3][4][5][6][7] Ion-polyether complexes (or polymer electrolytes) were first discovered by Fenton, Parker and Wright in 1973. 8 Since then, such complexes have been prepared with many different monatomic ions and indeed many different polymeric ligands. Armand in 1979 recognized that Li + -polyether complexes could be used as solid electrolytes in electrochemical devices. 9The classic polymer electrolyte comprises organic macromolecules (usually polyether polymer) that are complexed with inorganic salts. The polymer matrix must contain a Lewis base (e.g. ethylene-oxide unit, -OCH 2 CH 2 -) to solvate the lithium salt. The salt-solvent mixing entropy consists mainly of two components: translational and configurational. Contrary to the case of water, the mixing entropy for the formation of polymer electrolytes is small or even positive. The incorporation of salts into the polymer inevitably reduces the freedom of polymer-chain motion, thus causing ...

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Section: Solid Polymer Electrolytes-structure and Mechanism Of Ion Trmentioning

confidence: 99%

Section: Polymer Systems With Decoupled Ion Transportmentioning

confidence: 99%

Section: Polymer Systems With Decoupled Ion Transportmentioning

confidence: 99%

See 1 more Smart Citation

Review—On Order and Disorder in Polymer Electrolytes

Golodnitsky

Strauss

Greenbaum

2015

J. Electrochem. Soc.

199

135

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“…This result suggests that only the capacitive component of ion conducting polymer prevails [9]. From the figures, the value of bulk resistance, R b can be obtained from the intercept on the real impedance axis plot and the conductivity value of the films can be determined using equation (1). The ionic conductivity values of the GPE film are listed in Table 1.…”

Section: Ionic Conductivitymentioning

confidence: 99%

“…Sodium-ion (Na-ion) battery represents a possible alternative, which stands out because sodium is cheaper, non-toxic, high electrochemical potential and more abundant than lithium. Due to this, the studies of sodium ion conducting electrolytes recently have drawn attention of many researchers worldwide [1][2][3].…”

Section: Introductionmentioning

confidence: 99%

Electrical and electrochemical studies on sodium ion-based gel polymer electrolytes

Isa¹,

Othman²,

Hambali³

et al. 2017

AIP Conference Proceedings

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Additive Manufacturing of Batteries

Pang

Cao

Chu

et al. 2019

Adv Funct Materials

198

129

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Additive manufacturing, i.e., 3D printing, is being increasingly utilized to fabricate a variety of complex-shaped electronics and energy devices (e.g., batteries, supercapacitors, and solar cells) due to its excellent process flexibility, good geometry controllability, as well as cost and material waste reduction. In this review, the recent advances in 3D printing of emerging batteries are emphasized and discussed. The recent progress in fabricating 3D-printed batteries through the major 3D-printing methods, including lithographybased 3D printing, template-assisted electrodeposition-based 3D printing, inkjet printing, direct ink writing, fused deposition modeling, and aerosol jet printing, are first summarized. Then, the significant achievements made in the development and printing of battery electrodes and electrolytes are highlighted. Finally, major challenges are discussed and potential research frontiers in developing 3D-printed batteries are proposed. It is expected that with the continuous development of printing techniques and materials, 3D-printed batteries with long-term durability, favorable safety as well as high energy and power density will eventually be widely used in many fields.

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Electrolytes for Li-ion transport – Review

Cited by 209 publications

References 220 publications

Review—On Order and Disorder in Polymer Electrolytes

Review—On Order and Disorder in Polymer Electrolytes

Electrical and electrochemical studies on sodium ion-based gel polymer electrolytes

Additive Manufacturing of Batteries

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