One-dimensional architecture with reduced graphene oxide supporting ultrathin MoO2 nanosheets as high performance anodes for lithium-ion batteries

材料科学 石墨烯 氧化物 阳极 锂(药物) 纳米技术 纳米颗粒 纳米棒 电化学 纳米结构 比表面积 化学工程 电极 冶金 催化作用 物理化学 化学 内分泌学 工程类 医学 生物化学
作者
Yanqi Feng,Hui Liu
出处
期刊:Nanotechnology [IOP Publishing]
卷期号:30 (31): 315602-315602 被引量:24
标识
DOI:10.1088/1361-6528/ab19e0
摘要

Two-dimensional (2D) materials have been widely studied and used as anode materials for lithium ion batteries (LIBs) because of their high specific surface area and intrinsic mechanical flexibility which could offer numerous active sites and protect effect for LIBs. However, 2D nanosheets are easy to stack and partially lose surface area for Li-ion storage thus greatly affecting their electrochemical performance. Here, we develop a simple strategy to obtain a nanosheets-based one-dimensional structure hybrid by in situ reduction from MoO3 nanorods to MoO2 nanosheets and nanoparticles which are anchored on a 1D reduced graphene oxide skeleton (MoO2-rGO). It was demonstrated that the primary MoO2 nanosheets and nanoparticles are uniformly dispersed on the reduced graphene oxide nanosheets, which are further assembled into a 1D loosened nanostructure. The loosened nanosheets offer more accessible surface area and facilitate transport of electrons and Li-ions. Moreover, MoO2 nanoparticles effectively avoid agglomeration from nanosheets. Results show that MoO2-rGO hybrid demonstrates an enhanced cyclic life, high stability and prominent rate performance when evaluated as anode material for LIBs. The first discharge capacity can reach 1256.4 mAh g−1 and provide a highly reversible capacity of 1003.7 mA h g−1 after 100 cycles at 0.1 A g−1, which makes MoO2-rGO a promising candidate for LIBs. The excellent performance can be attributed to the unique 1D loosened structure consists of MoO2 and conducting rGO nanosheets, which facilitates fast transfer of Li-ion and electron, and the reduced graphene oxide nanosheets acting as a skeleton provide a continuous conductive network and simultaneously strengthen the structural stability.
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
1秒前
2秒前
mqw完成签到,获得积分10
2秒前
zho应助这个论文非写不可采纳,获得10
2秒前
11发布了新的文献求助10
2秒前
星辰大海应助小竹子采纳,获得10
2秒前
小南发布了新的文献求助10
3秒前
烟雨江畔发布了新的文献求助10
6秒前
JamesPei应助源源采纳,获得10
7秒前
8秒前
猪猪hero应助快乐的鱼采纳,获得10
9秒前
李健的小迷弟应助大靓仔采纳,获得10
9秒前
结实星星发布了新的文献求助10
10秒前
11秒前
11秒前
李健应助大力的忆曼采纳,获得10
12秒前
充电宝应助11采纳,获得10
12秒前
12秒前
结实的思远完成签到,获得积分10
13秒前
花花公子完成签到,获得积分10
15秒前
李健应助aaaaa采纳,获得10
15秒前
辰月贰拾发布了新的文献求助10
16秒前
16秒前
simon完成签到,获得积分10
16秒前
17秒前
aafrr完成签到 ,获得积分10
17秒前
fxxxxx发布了新的文献求助10
18秒前
18秒前
冷迎梦发布了新的文献求助10
18秒前
乐乐应助刻苦的冰海采纳,获得10
20秒前
乐乐应助天行马采纳,获得10
20秒前
11完成签到,获得积分10
21秒前
怡然依柔发布了新的文献求助10
21秒前
顺利紫山发布了新的文献求助30
21秒前
无花果应助平淡的访风采纳,获得10
22秒前
北风完成签到,获得积分10
22秒前
22秒前
汉堡包应助simon采纳,获得10
23秒前
23秒前
传奇3应助廖无极采纳,获得10
24秒前
高分求助中
Continuum Thermodynamics and Material Modelling 3000
Production Logging: Theoretical and Interpretive Elements 2700
Les Mantodea de Guyane Insecta, Polyneoptera 1000
Structural Load Modelling and Combination for Performance and Safety Evaluation 1000
Conference Record, IAS Annual Meeting 1977 820
電気学会論文誌D(産業応用部門誌), 141 巻, 11 号 510
Typology of Conditional Constructions 500
热门求助领域 (近24小时)
化学 材料科学 生物 医学 工程类 有机化学 生物化学 物理 纳米技术 计算机科学 内科学 化学工程 复合材料 基因 遗传学 物理化学 催化作用 量子力学 光电子学 冶金
热门帖子
关注 科研通微信公众号,转发送积分 3570542
求助须知:如何正确求助?哪些是违规求助? 3141299
关于积分的说明 9442455
捐赠科研通 2842608
什么是DOI,文献DOI怎么找? 1562356
邀请新用户注册赠送积分活动 731072
科研通“疑难数据库(出版商)”最低求助积分说明 718272