期刊
JOURNAL OF APPLIED POLYMER SCIENCE
卷 137, 期 22, 页码 -出版社
WILEY
DOI: 10.1002/app.48764
关键词
electrochemistry; nanoparticles; nanowires and nanocrystals; resins; surfaces and interfaces
资金
- National Natural Science Foundation of China [21573239]
- Key laboratory of renewable energy of Chinese academy of sciences [y807j31001]
- Guangdong Province for High-Level Talents [2014TX01N014]
- Science and Technology Project of Guangdong Province [2015B010135008/2016B010114003]
- Guangzhou Municipal Project for Science and Technology [201509010018]
- Natural Science Foundation of Guangdong Province [2015A030313721]
The nanostructured Si@S-doped C (Si/C) hybrid is synthesized via a mild hydrothermal process of glucose and the simultaneous polymerization of 3,4-ethylenedioxythiophene and poly(sodium-4-styrene sulfonate) on the surface of nano-Si powders, then followed by a calcination process. A new water soluble polymer of poly(vinyl alcohol) (PVA) grafted with poly(acrylic acid) (PAA) is synthesized via a free-radical polymerization of acrylic acid (AA) in a 1:1 weight ratio in PVA water solution. The Si/C anode using PVA-g-PAA binder, exhibits improved lithium storage properties and cycling stability than that of the parallel electrode with carboxymethyl cellulose binder, which exhibits an initial coulombic efficiency (82.0%), even a reversible capacity of 487 mAh g(-1) after 300 cycles with 81.2% capacity retention at 0.4 A g(-1). (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 137, 48764.
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