Selective synthesis of CuO/C nanocomposites and porous CuO based on polyacrylic acid hydrogel system as high-performance anode for lithium-ion batteries

被引：15

作者：

Wang, Fei ^{[1
]}

Cheng, Danfei ^{[1
]}

Cheng, Tingting ^{[1
]}

Zong, Jingui ^{[1
]}

Long, Yixuan ^{[1
]}

Zhao, Mingshu ^{[1
]}

Yang, Sen ^{[1
]}

Song, Xiaoping ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, Sch Sci, State Key Lab Mech Behav Mat,Key Lab Shaanxi Adv, MOE Key Lab Nonequilibrium Synth & Modulat Conden, Xian 710049, Shaanxi, Peoples R China

来源：

CHEMICAL PHYSICS | 2019年 / 518卷

基金：

中国国家自然科学基金;

关键词：

Copper oxide; Nanocomposites; Hydrogel; Anodes; Lithium ion batteries; BINDER-FREE ANODE; CARBON NANOTUBES; COPPER-OXIDE; COMPOSITE; STORAGE; OXIDATION;

D O I：

10.1016/j.chemphys.2018.11.004

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

CuO/C nanocomposites and porous CuO were selectively synthesized by a facile, low-cost and large-scale synthesis method based on polyacrylic acid hydrogel system. As the anode materials for lithium-ion batteries, the capacity of porous CuO is higher than CuO/C nanocomposites, while gradually decreases after 40 cycles due to the lack of supporting matrix. In CuO/C nanocomposites, CuO nanoparticles are uniformly embedded in the three-dimensional carbon matrix, which can buffer the large volume change, suppress the particle pulverization, and prevent the particle agglomeration of CuO nanoparticles. The capacity of CuO/C nanocomposites maintains at about 690 mAh g(-1) till 200th cycle.

引用

页码：1 / 7

页数：7

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