2021
DOI: 10.1002/adfm.202104433
|View full text |Cite
|
Sign up to set email alerts
|

A Self‐Healable Polyelectrolyte Binder for Highly Stabilized Sulfur, Silicon, and Silicon Oxides Electrodes

Abstract: Large volume change, poor conductivity, and electrolyte soluble active materials intermediates have long been daunting challenges for sulfur, silicon, and silicon oxides electrode materials. A self-healable polyelectrolyte binder is exploited by crosslinking polydopamine, phytic acid and poly(acrylamideco-2-(Dimethylamino)ethyl acrylate) in situ at room temperature through reconfigurable hydrogen bonds and ionic bonds. Therefore, the crosslinked binder network can readily recover its mechanical strength withou… Show more

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...
2

Citation Types

1
39
0

Year Published

2022
2022
2024
2024

Publication Types

Select...
8

Relationship

0
8

Authors

Journals

citations
Cited by 55 publications
(40 citation statements)
references
References 63 publications
1
39
0
Order By: Relevance
“…Despite However, polymer binders crosslinked by the irreversible covalent network lack the ability for crack repairing, thus leading to unsatisfactory cyclability of sulfur cathode. [38] Inspired by biology, self-healing chemistry has been applied in the binder to spontaneously repair microcracks in electrodes via dynamic crosslinking networks of noncovalent bonds, such as hydrogen bonding, ionic interaction, and metal chelation. [39][40][41][42][43][44] Regarding to lithium polysulfide regulation, the binders featuring polar functional groups have been also designed to expedite chemically or electrostatically adsorbing of soluble polysulfides and immobilize active species within the cathode.…”
Section: Introductionmentioning
confidence: 99%
“…Despite However, polymer binders crosslinked by the irreversible covalent network lack the ability for crack repairing, thus leading to unsatisfactory cyclability of sulfur cathode. [38] Inspired by biology, self-healing chemistry has been applied in the binder to spontaneously repair microcracks in electrodes via dynamic crosslinking networks of noncovalent bonds, such as hydrogen bonding, ionic interaction, and metal chelation. [39][40][41][42][43][44] Regarding to lithium polysulfide regulation, the binders featuring polar functional groups have been also designed to expedite chemically or electrostatically adsorbing of soluble polysulfides and immobilize active species within the cathode.…”
Section: Introductionmentioning
confidence: 99%
“…In order to address the problem confronting Si anodes, existing approaches include structural modifications of Si materials (e.g., nanowires, nanosheets and hierarchical constructions), introduction of additives and the development of novel binders [ 3 8 ]. Among these strategies, the employment of advanced binders has been demonstrated to be a facile yet effective way without compromise in battery energy density [ 9 , 10 ]. Ideal binders should tolerate the volume expansion of Si particles upon cycling by relying on the reversibility of their bonding structure, thereby maintaining structural integrity of Si electrodes [ 11 , 12 ].…”
Section: Introductionmentioning
confidence: 99%
“…In the battery community, it is known that one of the most effective ways to address the issues stemming from the volume change of the electrode material is to use a highly elastic binder. With this rationale in mind, in this study, a highly stable polymeric binder for silver–carbon composite electrodes was developed to promote electrode stability and to lower the initial irreversibility. PVDF was usually used as a binder in silver–carbon composite electrodes because of its well-known advantages of high dielectric constant and (electro)­chemical stability. , PVDF has also been used as a main component in the artificial SEI layer by taking advantage of its high dielectric constant. , However, it is not suitable for use with electrodes comprising active materials that experience large volume changes such as silicon anodes as a result of the weak adhesion force and plastic deformation .…”
mentioning
confidence: 99%