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Ternary Poly(ethylene oxide)/Poly(l,l-lactide) PEO/PLA Blends as High-Temperature Solid Polymer Electrolytes for Lithium Batteries by Jorge L. Olmedo-Martínez; Luca Porcarelli; Gregorio Guzmán-González; Itxaso Calafel; Maria Forsyth; David Mecerreyes; Alejandro J. Müller is a Materials Science article available to read on EtoBox.
What is Ternary Poly(ethylene oxide)/Poly(l,l-lactide) PEO/PLA Blends as High-Temperature Solid Polymer Electrolytes for Lithium Batteries about?
Lithium batteries are in high demand in different technological fields. However, the operating temperature is required to be below 70 °C, and this limits their use in applications demanding high-energy rechargeable batteries that are able to operate at temperatures above 100 °C. Poly(ethylene oxide) (PEO) is, currently, the reference solid polymer electrolyte (SPE) employed in solid-state lithium batteries. However, the application of PEO at higher temperatures is restricted due to the loss of mechanical properties. In this article, we show that the polymer blending strategy of blending PEO with poly(L,L-lactide) (PLA) allows extending its use in batteries at high temperatures (100 °C). This improvement is due to the mechanical reinforcement of PEO solid electrolytes associated with the presence of PLA crystals. Thus, two solid electrolyte systems based on PEO/PLA blends with either a LiTFSI salt or a lithium single-ion polymer (poly(lithium-1-[3-(methacryloyloxy)propylsulfonyl]-1-(trifluoromethanesulfonyl)imide), PLiMTFSI) were investigated and compared. Differential scanning calorimetry (DSC) results indicate that regardless of the concentration of LiTFSI or PLiMTFSI in the blend
Who reads Ternary Poly(ethylene oxide)/Poly(l,l-lactide) PEO/PLA Blends as High-Temperature Solid Polymer Electrolytes for Lithium Batteries?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Jorge L. Olmedo-Martínez; Luca Porcarelli; Gregorio Guzmán-González; Itxaso Calafel; Maria Forsyth; David Mecerreyes; Alejandro J. Müller
- Publisher
- American Chemical Society (ACS)
- Published
- 2021
- Language
- EN
- Field
- Materials Science (Physical Sciences)