Journal
MATERIALS
Volume 12, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/ma12010002
Keywords
nanofibril membrane; plant fiber; electrolyte wettability; thermal dimensional stability; tensile strength
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Funding
- Fundamental Research Funds for the Central Universities [2017PY007]
- National Key Technology RD Program [2017YFB0307900]
- Open Foundation of Zhejiang Provincial Key Lab for Chem & Bio Processing Technology of Farm Products
- Zhejiang Provincial Collaborative Innovation Center of Agricultural Biochemical Manufacturing [2016KF0201]
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High electrolyte wettability, thermal dimensional stability, and tensile strength are prerequisites for implementing separators in practical applications. In this study, we report on the discovery of nanofibril membranes derived from various plant fibers commonly used in the papermaking industry, for low cost and higher performances than the commercially available Celgard2325 in regard to the application of separators for lithium-ion batteries. Nanofibril membranes showed water contact angles as low as 18 degrees negligible size change at a heating temperature of 160 degrees C for 120 min, and tensile strength up to 137.6 MPa. The homogenization was found to strongly contribute to these improved performances. These findings suggest that the plant fiber-derived nanofibril membranes are anticipated to be promising candidates as separators for lithium-ion batteries.
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