Investigating the Doping Mechanism of Pyrene Based Methacrylate Functional Conductive Binder in Silicon Anodes for Lithium-Ion Batteries | Zendy

Min Ling | Zendy; Michael C. Liu | Zendy; Tianyue Zheng | Zendy; Ting Zhang | Zendy; Gao Liu | Zendy

Open Access

Investigating the Doping Mechanism of Pyrene Based Methacrylate Functional Conductive Binder in Silicon Anodes for Lithium-Ion Batteries

Author(s) -

Min Ling,

Michael C. Liu,

Tianyue Zheng,

Ting Zhang,

Gao Liu

Publication year - 2017

Publication title -

journal of the electrochemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.258

H-Index - 271

eISSN - 1945-7111

pISSN - 0013-4651

DOI - 10.1149/2.0011704jes

Subject(s) - lithium (medication) , materials science , moiety , scanning electron microscope , doping , pyrene , anode , graphite , electrode , electrochemistry , methacrylate , silicon , chemical engineering , cyclic voltammetry , polypyrrole , polymer chemistry , inorganic chemistry , polymer , composite material , chemistry , organic chemistry , copolymer , optoelectronics , medicine , engineering , endocrinology

Author(s): Ling, M; Liu, M; Zheng, T; Zhang, T; Liu, G | Abstract: © The Author(s) 2017. Published by ECS. All rights reserved. The doping mechanism of poly (1-pyrenemethyl methacrylate) (PPy) is investigated through electrochemical analytical and spectroscopic method. The performance of PPy as a Si materials binder is studied and compared with that of a commercial available lithium polyacrylate (PAALi) binder. The pyrene moiety consumes lithium ions according to the cyclic voltammogram (CV) measurement, as a doping to the PPy binder. Based on the lithium consumption, PPy based Si/graphite electrode doping is quantified at 1.1 electron/pyrene moiety. The PPy binder based electrodes surface are uniform and crack free during lithiation/delithiation, which is revealed through Scanning electron microscope (SEM) imaging.

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