Effect of polyimide binder on electrochemical characteristics of surface-modified silicon anode for lithium ion batteries

Kim, Jung Sub; Choi, Wonchang; Cho, Kyu Young; Byun, Dongjin; Lim, JongChoo; Lee, Joong Kee

doi:10.1016/j.jpowsour.2013.02.049

Cited by 146 publications

(102 citation statements)

References 23 publications

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“…The alloy electrode with aro-PI binder has good cycling characteristics for this coating formulation, and it is well known now that aro-PI is a good binder in alloy coatings. [3][4][5] However, the alloy electrode with aro-PI binder has high irreversible capacity, which is expected from the active aro-PI binder contribution. The alloy electrode with ali-PI binder has much lower first cycle capacity and irreversible capacity, which is consistent with the findings above that ali-PI is inactive, however the cycling performance of the alloy electrode with ali-PI binder is very poor.…”

Section: A369mentioning

confidence: 99%

The Electrochemical Behavior of Polyimide Binders in Li and Na Cells

Wilkes

Brown

Krause³

et al. 2015

J. Electrochem. Soc.

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The electrochemistry of aromatic and aliphatic polyimide binders was characterized in composite coatings for Li-ion and Na-ion battery negative electrodes. Aromatic polyimide was found to have a large first lithiation capacity of 1943 mAh/g and a reversible capacity of 874 mAh/g in lithium cells. The large first lithiation capacity is suggestive of its full reduction to carbon. Subsequent cycles of aromatic-PI are also similar to that of hydrogen containing carbons. Aromatic-PI is also active in Na cells, but with less capacity and less hysteresis during cycling, which is also consistent with the behavior of hydrogen containing carbon in Na cells. Therefore, we suspect that after the first lithiation or sodiation, all of the aromatic-PI becomes carbonized. These conductive reaction products lead to excellent cycling in alloy cells. In contrast, aliphatic-PI is inert and leads to poor cycling when used in alloy cells. These results may have large implications for the use of conductive polymer binders, which may just be carbonizing during their first lithiation.

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Section: A369mentioning

confidence: 99%

The Electrochemical Behavior of Polyimide Binders in Li and Na Cells

Wilkes

Brown

Krause³

et al. 2015

J. Electrochem. Soc.

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“…The volume expansion is around 280 % at maximum capacity (3579 (Na-CMC) 7 and polyimide (PI) 8 , have shown effective binding functions due to their abundant functional groups. In Figure 2 the interaction of the polymer carboxyl groups with the native oxide-Please do not adjust margins Please do not adjust margins make it an interesting conductive additive for a more durable anode architecture.…”

Section: Introductionmentioning

confidence: 99%

Enhancing cycling durability of Li-ion batteries with hierarchical structured silicon–graphene hybrid anodes

Loveridge

Lain

Huang

et al. 2016

Phys. Chem. Chem. Phys.

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Copies of full items can be used for personal research or study, educational, or not-for-profit purposes without prior permission or charge. Provided that the authors, title and full bibliographic details are credited, a hyperlink and/or URL is given for the original metadata page and the content is not changed in any way. Publisher statement:First published by Royal Society of Chemistry 2016 http://dx.doi.org/10.1039/C6CP06788C A note on versions:The version presented here may differ from the published version or, version of record, if you wish to cite this item you are advised to consult the publisher's version. Please see the 'permanent WRAP URL' above for details on accessing the published version and note that access may require a subscription. Hybrid anode materials consisting of micro-sized silicon (Si) interconnected with few-layer graphene (FLG) nanoplatelets and sodium-modified poly (acrylic acid) (PAA) as a binder were evaluated for Li-ion batteries. The hybrid film has demonstrated a reversible discharge capacity of ~1800 mAh/g with a capacity retention of 97% after 200 cycles. The superior electrochemical properties of the hybrid anodes are attributed to a durable, hierarchical conductive network formed between Si particles and the multi-scale carbon additives, with enhanced cohesion by the functionalized polymer binder. Furthermore, improved SEI stability is achieved from the electrolyte additives, due to the formation of a kinetically stable film on the surface of the Si.

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“…[20][21][22] In recent years, several studies of Si-based anodes have integrated some electrochemical dilatometry results. 16,[23][24][25][26][27][28][29][30][31][32] However, the dilatometric responses are rarely analyzed in detail.The role of the binder is very critical for Si electrodes to maintain the electrode architecture despite the large Si volume change and thereby to achieve long cycle life.8 Although carboxymethyl cellulose * Electrochemical Society Member. z E-mail: roue@emt.inrs.ca (CMC) is not an elastomeric binder, it has been shown to significantly improve the cycling performance of Si electrodes.…”

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confidence: 99%

Impact of the Slurry pH on the Expansion/Contraction Behavior of Silicon/Carbon/Carboxymethylcellulose Electrodes for Li-Ion Batteries

Tranchot

Idrissi

Thivel

et al. 2016

J. Electrochem. Soc.

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Electrochemical dilatometry experiments were performed on silicon/carbon/carboxymethylcellulose (Si/C/CMC) composite electrodes prepared with pH7 and buffered pH3 slurries. It was shown that the pH3 electrode better accommodates the severe volume change of the micrometric Si particles, inducing a much better capacity retention with cycling (70% after 10 cycles compared to only 6% for the pH7 electrode). During the first discharge (lithiation), a maximum electrode thickness expansion of ∼170% was observed for the pH3 electrode compared to ∼330% for the pH7 electrode. A lower irreversible expansion was also observed at the end of the 1 st cycle (∼50% compared to ∼180% for the pH7 electrode). It was explained by the fact that the pH3 of the slurry, which is known to favor the formation covalent bonds between the Si particles and the CMC chains, greatly improves the cohesive strength of the electrode as supported by the higher hardness and elastic modulus of the pH3 electrode. When the discharge capacity was limited to 1200 mAh g −1 , a progressive and irreversible swelling of the pH3 electrode was observed upon prolonged cycling, which was attributed to the accumulation of solid electrolyte interface (SEI) products. Silicon is a very attractive active material for Li-ion battery anodes due to its ∼10 times higher gravimetric capacity and ∼3 times higher volumetric capacity than conventional graphite anode (i.e., 3579 mAh g −1 and 2190 mAh cm −3 for Li 15 Si 4 compared to 372 mAh g −1 and 719 mAh cm −3 for LiC 6 ). However, obtaining commercially viable Sibased anodes is very challenging due to the large volume expansion of Si during its lithiation (∼280% from Si to Li 15 Si 4 ).1 This leads to the fracture and rearrangement of the Si particles, inducing the rupture of the electrical network in the composite electrode. As a result, a rapid capacity decay with cycling is observed.2 The large Si volume change also induces an instability of the solid electrolyte interface (SEI), which continuously grows with cycling, decreasing the coulombic efficiency (CE) and increasing the electrode impedance.3 To address these issues, numerous strategies have been investigated for several years as reviewed in Refs. 4-8 with a few significant successes in the improvement of the cycle life of Si-based electrodes (>1000 cycles, at least in half-cell).9-15 Actually, further work is still required to tackle the issue of SEI stability and to obtain low-cost Si-based electrodes with practical relevant surface, gravimetric and volumetric capacities.Considering that the volume change of Si-based electrodes largely contributes to their degradation, monitoring their expansion and contraction with cycling is highly relevant to evaluate the impact of the composite electrode formulation and morphology, and cycling conditions on this process. For this purpose, a simple and efficient method consists of integrating a non-contact gap sensor 16 or a contact displacement transducer 17 to the electrochemical cell, which permits a measurement of any ver...

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Effect of polyimide binder on electrochemical characteristics of surface-modified silicon anode for lithium ion batteries

Cited by 146 publications

References 23 publications

The Electrochemical Behavior of Polyimide Binders in Li and Na Cells

The Electrochemical Behavior of Polyimide Binders in Li and Na Cells

Enhancing cycling durability of Li-ion batteries with hierarchical structured silicon–graphene hybrid anodes

Impact of the Slurry pH on the Expansion/Contraction Behavior of Silicon/Carbon/Carboxymethylcellulose Electrodes for Li-Ion Batteries

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