2020
DOI: 10.1002/eem2.12143
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Amylopectin from Glutinous Rice as a Sustainable Binder for High‐Performance Silicon Anodes

Abstract: Inspired by a success of glutinous rice mortar in the Great Wall, amylopectin which could provide strong bonding force was utilized as a flexible, aqueous, and resilient binder to construct highly stable silicon anode for high‐performance lithium‐ion batteries.

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Cited by 27 publications
(18 citation statements)
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“…A primary issue is its poor binding affinity to the electrode components. This is because its primary binding mechanisms are mechanical interlocking and van der Waals forces, which are weak and general interactions [ 1 , 9 , 59 ]. While this has a negative effect on standard Li-ion batteries (with higher affinities from other binders leading to improved performance [ 60 , 61 ]), it is a much larger problem for more recent developments in high-capacity energy storage, such as Si-based anodes.…”
Section: Typical Binders For Electrodesmentioning
confidence: 99%
“…A primary issue is its poor binding affinity to the electrode components. This is because its primary binding mechanisms are mechanical interlocking and van der Waals forces, which are weak and general interactions [ 1 , 9 , 59 ]. While this has a negative effect on standard Li-ion batteries (with higher affinities from other binders leading to improved performance [ 60 , 61 ]), it is a much larger problem for more recent developments in high-capacity energy storage, such as Si-based anodes.…”
Section: Typical Binders For Electrodesmentioning
confidence: 99%
“…Glutinous rice is a key raw material for many sticky foods and cultivated annually worldwide with a large amount of ≈24.5 million tons. [12] The stickiness of glutinous rice is mainly derived from the high-content amylopectin (AP). From a perspective of molecular structure, AP is a branched polysaccharide composed of thousands of glucose residues connected by α-1, 4-glucosidic bonds and α-1, 6-glucosidic bonds.…”
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%