Designed hybrid nanostructure with catalytic effect: beyond the theoretical capacity of SnO2 anode material for lithium ion batteries

Scientific Reports
Ye WangHui Ying Yang

Abstract

Transition metal cobalt (Co) nanoparticle was designed as catalyst to promote the conversion reaction of Sn to SnO2 during the delithiation process which is deemed as an irreversible reaction. The designed nanocomposite, named as SnO2/Co3O4/reduced-graphene-oxide (rGO), was synthesized by a simple two-step method composed of hydrothermal (1(st) step) and solvothermal (2(nd) step) synthesis processes. Compared to the pristine SnO2/rGO and SnO2/Co3O4 electrodes, SnO2/Co3O4/rGO nanocomposites exhibit significantly enhanced electrochemical performance as the anode material of lithium-ion batteries (LIBs). The SnO2/Co3O4/rGO nanocomposites can deliver high specific capacities of 1038 and 712 mAh g(-1) at the current densities of 100 and 1000 mA g(-1), respectively. In addition, the SnO2/Co3O4/rGO nanocomposites also exhibit 641 mAh g(-1) at a high current density of 1000 mA g(-1) after 900 cycles, indicating an ultra-long cycling stability under high current density. Through ex-situ TEM analysis, the excellent electrochemical performance was attributed to the catalytic effect of Co nanoparticles to promote the conversion of Sn to SnO2 and the decomposition of Li2O during the delithiation process. Based on the results, herein we prop...Continue Reading

References

Nov 20, 2001·Nature·J M Tarascon, M Armand
May 4, 2005·Nature Materials·Antonino Salvatore AricòWalter van Schalkwijk
Dec 13, 2006·Physical Review Letters·A C FerrariA K Geim
Jul 10, 2007·Journal of the American Chemical Society·Jing LiHua Chun Zeng
Dec 22, 2009·Chemical Society Reviews·Daniel R DreyerRodney S Ruoff
Mar 11, 2010·Advanced Materials·Chang LiuHui-Ming Cheng
Mar 16, 2011·Journal of the American Chemical Society·Zhiyu WangXiong Wen David Lou
Feb 7, 2013·Small·Jun Song Chen, Xiong Wen David Lou
Apr 4, 2013·Chemical Reviews·M V ReddyB V R Chowdari
Nov 5, 2013·Nature Materials·Yan-Yan HuClare P Grey
Mar 26, 2014·Advanced Materials·Xiaosi ZhouYu-Guo Guo
Jun 26, 2014·Angewandte Chemie·Siegfried Eigler, Andreas Hirsch
Aug 30, 2014·Scientific Reports·Xuanwen GaoJia-Zhao Wang

❮ Previous
Next ❯

Citations

Jan 7, 2016·Scientific Reports·Ning WanSheng Dai
Mar 22, 2016·ACS Applied Materials & Interfaces·Bhavana JoshiSam S Yoon
May 19, 2016·ACS Applied Materials & Interfaces·Dongzhi ZhangYong Zhang
Feb 28, 2017·ACS Applied Materials & Interfaces·Du PanYing Bai
May 27, 2017·Dalton Transactions : an International Journal of Inorganic Chemistry·Harsharaj S JadhavJeong Gil Seo
Jun 9, 2018·Scientific Reports·M Y RekhaChandan Srivastava
Jan 28, 2021·Materials·Zhi Yan LeeKamarulzaman Kamarudin

❮ Previous
Next ❯

Methods Mentioned

BETA
transmission electron microscopy
electron diffraction
X-ray
scanning

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.