Bifunctional low molecular weight polyacrylic acid as aqueous binder and coating agent enables high performance LiMn2O4 cathode for lithium-ion batteries

Shen, Caiyan; Yu, Huinan; Xue, Zhiyuan; Hu, Guorong; Cao, Yanbing; Peng, Zhongdong; Du, Ke

doi:10.1016/j.cej.2024.151287

Chemical Engineering Journal

2024

DOI: 10.1016/j.cej.2024.151287

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Bifunctional low molecular weight polyacrylic acid as aqueous binder and coating agent enables high performance LiMn2O4 cathode for lithium-ion batteries

Caiyan Shen,

Huinan Yu,

Zhiyuan Xue

et al.

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Cited by 9 publications

References 43 publications

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Dextran Sulfate Sodium as Multifunctional Aqueous Binder Stabilizes Spinel LiMn₂O₄ for Lithium Ion Batteries

Zhong,

Huang,

Zhang

et al. 2024

Adv Funct Materials

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Spinel LiMn2O4 (LMO) has several beneficial properties for utilization as a cathode material for lithium‐ion batteries, including a high operating voltage, thermal stability, low cost, and eco‐friendliness. However, its application is limited by capacity fading due to structural transformation and manganese dissolution upon cycling. A method is proposed to resolve these two issues, using dextran sulfate sodium (DSS) as an aqueous binder to coat the LMO surface. DSS stabilizes the surface/interface structure of LMO by incorporating Na into the interstitial 16c sites, creating a uniform surface coating layer and promoting the formation of a homogeneous and stable cathode‐electrolyte interphase derived from the sulfate groups in DSS and enriched with LiF/LiSOxF. The aqueous DSS binder effectively suppresses the surface degradation and Mn dissolution of spinel LMO. The LMO electrode based on DSS exhibits superior cycling stability and rate performance compared with those of electrodes using the conventional poly(vinylidene difluoride) binder. These findings demonstrate the potential value of DSS as a multifunctional aqueous binder in stabilizing spinel LMO for lithium‐ion batteries.

show abstract

Dextran Sulfate Sodium as Multifunctional Aqueous Binder Stabilizes Spinel LiMn₂O₄ for Lithium Ion Batteries

Zhong,

Huang,

Zhang

et al. 2024

Adv Funct Materials

View full text Add to dashboard Cite

show abstract

Enhanced elevated-temperature performance of LiMn2O4 cathodes in lithium-ion batteries via a multifunctional electrolyte additive

Zhang,

Guan,

Xue

et al. 2025

Chemical Engineering Journal

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Easy, fast and ecofriendly manufacturing of graphene/polymer composites on the surface of fibrous structures emulating super hydrophobic lotus leaves

Chun,

2025

Composites Communications

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Bifunctional low molecular weight polyacrylic acid as aqueous binder and coating agent enables high performance LiMn2O4 cathode for lithium-ion batteries

Cited by 9 publications

References 43 publications

Dextran Sulfate Sodium as Multifunctional Aqueous Binder Stabilizes Spinel LiMn₂O₄ for Lithium Ion Batteries

Dextran Sulfate Sodium as Multifunctional Aqueous Binder Stabilizes Spinel LiMn₂O₄ for Lithium Ion Batteries

Enhanced elevated-temperature performance of LiMn2O4 cathodes in lithium-ion batteries via a multifunctional electrolyte additive

Easy, fast and ecofriendly manufacturing of graphene/polymer composites on the surface of fibrous structures emulating super hydrophobic lotus leaves

Contact Info

Product

Resources

About

Bifunctional low molecular weight polyacrylic acid as aqueous binder and coating agent enables high performance LiMn2O4 cathode for lithium-ion batteries

Cited by 9 publications

References 43 publications

Dextran Sulfate Sodium as Multifunctional Aqueous Binder Stabilizes Spinel LiMn2O4 for Lithium Ion Batteries

Dextran Sulfate Sodium as Multifunctional Aqueous Binder Stabilizes Spinel LiMn2O4 for Lithium Ion Batteries

Enhanced elevated-temperature performance of LiMn2O4 cathodes in lithium-ion batteries via a multifunctional electrolyte additive

Easy, fast and ecofriendly manufacturing of graphene/polymer composites on the surface of fibrous structures emulating super hydrophobic lotus leaves

Contact Info

Product

Resources

About

Dextran Sulfate Sodium as Multifunctional Aqueous Binder Stabilizes Spinel LiMn₂O₄ for Lithium Ion Batteries

Dextran Sulfate Sodium as Multifunctional Aqueous Binder Stabilizes Spinel LiMn₂O₄ for Lithium Ion Batteries