A polymerized vinylene carbonate anode binder enhances performance of lithium-ion batteries

Hui Zhao, Xin Zhou, Sang Jae Park, Feifei Shi, Yanbao Fu, Min Ling, Neslihan Yuca, Vincent Battaglia, Gao Liu*

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23 Atıf (Scopus)

Özet

We investigated the use of polymerized vinylene carbonate (polyVC) as a binder for graphite anodes in lithium-ion cells. It functions not only of a traditional binder, but also plays an important role in surface stabilization of graphite in propylene carbonate (PC)-based electrolytes. In an electrolyte with PC content as high as 30 wt%, the polyVC binder enhanced battery performance, with a reversible capacity of ∼170 mAh g-1 at a delithiation rate of 1 C, whereas a comparable graphite cell fabricated with a polyvinylidene fluoride (PVDF) binder failed to cycle.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)288-295
Sayfa sayısı8
DergiJournal of Power Sources
Hacim263
DOI'lar
Yayın durumuYayınlandı - 1 Eki 2014
Harici olarak yayınlandıEvet

Finansman

This work is funded by the Assistant Secretary for Energy Efficiency , Vehicle Technologies Office of the U.S. Department of Energy , under the Batteries for Advanced Transportation Technologies (BATT) and Applied Battery Research (ABR) Program. NMR measurements were performed at the Molecular Foundry. Electron microscopy experiments were conducted at the National Center for Electron Microscopy (NCEM). The two facilities are located at Lawrence Berkeley National Laboratory (LBNL), and are supported by the Director, Office of Science, Office of Basic Energy Sciences, of the US Department of Energy under contract no. DE-AC02-05CH11231 .

FinansörlerFinansör numarası
Batteries for Advanced Transportation Technologies
Office of Basic Energy Sciences
US Department of Energy
U.S. Department of Energy
Office of Science

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