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In Situ AFM Imaging of Solid Electrolyte Interfaces on HOPG With Ethylene Carbonate and Fluoroethylene Carbonate-Based Electrolytes

In Situ AFM Imaging of Solid Electrolyte Interfaces on HOPG With Ethylene Carbonate and Fluoroethylene Carbonate-Based Electrolytes

Cai Shen, Shuwei Wang, Yan Jin, Wei-Qiang Han

ACS Appl Mater Interfaces. 2015 Nov 18;7(45):25441-7.

PMID: 26502161

Abstract:

Chemical and morphological structure of solid electrolyte interphase (SEI) plays a vital role in lithium-ion battery (LIB), especially for its cyclability and safety. To date, research on SEI is quite limited because of the complexity of SEI and lack of effective in situ characterization techniques. Here, we present real-time views of SEI morphological evolution using electrochemical atomic force microscopy (EC-AFM). Complemented by an ex situ XPS analysis, fundamental differences of SEI formation from ethylene carbonate (EC) and fluoroethylene carbonate (FEC)-based electrolytes during first lithiation/delithiation cycle on HOPG electrode surface were revealed.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP114435028	Fluoroethylene carbonate		114435-02-8	Price

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