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题名: In situ crosslinked PVA-PEI polymer binder for long-cycle silicon anodes in Li-ion batteries
作者: Liu, Z; Han, SJ; Xu, C; Luo, YW; Peng, N; Qin, CY; Zhou, MJ; Wang, WQ; Chen, LW(陈立桅); Okada, S
通讯作者: Zhou, MJ
刊名: RSC ADVANCES
发表日期: 2016
DOI: 10.1039/c6ra12232a
卷: 6, 期:72
收录类别: SCI ; EI
文章类型: 期刊论文
部门归属: 纳米研究国际实验室
英文摘要: A novel polymer binder, synthesized via in situ thermal cross-linking of water-soluble polyvinyl alcohol (PVA) and poly(ethylene imine) (PEI) precursor, is applied as a functional network binder to enhance the electrochemical performance of a silicon anode. The Si anode with PVA-PEI binder exhibits high specific capacity (3072.9 mA h g(-1)) in the initial cycle, high initial coulombic efficiency of 83.8% and excellent long-term cycling stability (1063.1 mA h g(-1) after 300 cycles). Furthermore, the Si anode containing PVA-PEI binder also exhibits excellent rate performance, reaching a high specific capacity of 1590 mA h g(-1) even at high current density of 10 A g(-1). These outstanding electrochemical properties are ascribed to the reversibly-deformable polymer network and the binder's strong adhesion to the silicon particles. This low-cost and eco-friendly polymer binder has great potential to be used for silicon anodes in next generation Li-ion batteries.
关键词[WOS]: COMPOSITE ANODES ; NEGATIVE ELECTRODES ; AMORPHOUS-SILICON ; PERFORMANCE ; GRAPHENE ; CAPACITY ; LITHIATION ; STABILITY ; PARTICLES ; GRAPHITE
语种: 英语
JCR小类分区: 二区
WOS记录号: WOS:000380362700105
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinano.ac.cn/handle/332007/4760
Appears in Collections:纳米研究国际实验室_陈立桅团队_期刊论文

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Recommended Citation:
Liu, Z,Han, SJ,Xu, C,et al. In situ crosslinked PVA-PEI polymer binder for long-cycle silicon anodes in Li-ion batteries[J]. RSC ADVANCES,2016,6(72).
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