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

Journal Article · · Journal of the Electrochemical Society
DOI:https://doi.org/10.1149/2.0011704jes· OSTI ID:1435073
 [1];  [2];  [1];  [1];  [1]
  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Applied Energy Materials Group, Energy Storage and Distributed Resources Division
  2. Univ. of California, Berkeley, CA (United States). Materials Science and Engineering
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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. Lastly, the PPy binder based electrodes surface are uniform and crack free during lithiation/delithiation, which is revealed through Scanning electron microscope (SEM) imaging.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V)
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1435073
Journal Information:
Journal of the Electrochemical Society, Vol. 164, Issue 4; ISSN 0013-4651
Publisher:
The Electrochemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 14 works
Citation information provided by
Web of Science

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Cited By (1)

Molecular Spring Enabled High-Performance Anode for Lithium Ion Batteries journal November 2017

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Related Subjects

36 MATERIALS SCIENCE
25 ENERGY STORAGE
conductive polymer
lithium-ion battery
Pyrene
silicon/graphite anode