graphite graphene composites from the recovered spent zn carbon primary cell for the high-performance anode

In

2019/3/5In consideration of effective supercapacitors which are also affordable and lightweight, metal oxides can be considered because of the higher charge storage capability. This work establishes the in situ fabrication of a supercapacitor electrode, employing spent Zn–C batteries as precursor. Every year, extensive number of waste batteries including Zn–C battery end up in landfill, which

Progress on Free

2019/11/8The conjugated sp 2 carbon networks of 2D graphene sheet exhibit high conductivity around 10 4 –10 6 S/cm than any other carbon materials depending on the number of layers [15, 16]. Additionally, the electrode surface area is an essential part for batteries, which has high theoretical surface area of graphene, and is reported to be ∼2600 m 2 /g [ 17 ].

US20160298234A1

The produced silicon-carbon composite can be used as advanced anode materials for lithium battery and other electrochemical energy storage device. A method and apparatus produce silicon-carbon composite materials through a chemical vapor deposition or a thermal disposition process in a fluidized bed reactor on a semi-continuous basis.

Metal

2018/10/19Since the resurgence of interest in lithium–sulfur (Li–S) batteries at the end of the 2000s, research in the field has grown rapidly. Li–S batteries hold great promise as the upcoming post-lithium-ion batteries owing to their notably high theoretical specific energy

Stretchable Energy Storage Devices: From Materials and

However, the full cell experienced poor cycling stability, originated from reactive Zn anode in alkaline electrolyte. Zn anode would be consumed after tens of cycles. Wang's group fabricated an epidermal tattoo‐based Zn‐Ag battery with lateral arrangement of []

A facile electrospinning and electrospraying

A three-dimensional (3D) composite film has become one of the most attractive candidates for energy-storage systems owing to its simple design and fast charge-transportation network. In this study, novel electrospinning and electrospraying synchronization

In

2019/3/5In consideration of effective supercapacitors which are also affordable and lightweight, metal oxides can be considered because of the higher charge storage capability. This work establishes the in situ fabrication of a supercapacitor electrode, employing spent Zn–C batteries as precursor. Every year, extensive number of waste batteries including Zn–C battery end up in landfill, which

Home: Cell Press

Zn-ion batteries are frequently cited with promising metrics for a myriad of applications including stationary storage. However, fundamental aspects of their chemistry, which may hinder commercialization, have been largely overlooked in the recent literature. In this review, we focus on these aspects and provide guidance for future research, including the challenge of proton/Zn2+ co

Graphitic carbon materials extracted from spent carbon

2019/11/11. Introduction For more than 120 years, primary aluminium is produced in the Hall–Hroult cell lined with carbon cathode. And the carbon cathode is degraded and swelled due to the infiltration and of molten electrolyte and metallic sodium produced at the cathode [1,2], which initiates the cell shutting and the spent carbon cathode (SCC) generating.

Recent Sustainable Materials and Technologies Articles

Recently published articles from Sustainable Materials and Technologies. CiteScore: 8.5 ℹ CiteScore: 2020: 8.5 CiteScore measures the average citations received per peer-reviewed document published in this title. CiteScore values are based on

A comprehensive review of graphene nanocomposites:

2014/1/12. Synthesis Approach of Graphene A long and coherent attempt of unsuccessful efforts to produce a single-layer graphene sheet has been made emphasizing the timely invention of a simple method presented by Novoselov's group in 2004 [1, 67, 68]. The group

Energy efficient electrodes for lithium

2020/2/15Zn, Mn and C sources have been extracted from spent primary batteries. • Extracted materials have been used as anode in rechargeable lithium ion batteries. • C-ZnMn 2 O 4 shows high capacity of 600 mAhg −1 at a current density of 50 mAg −1.

Hydrogen Storage for Energy Application

2012/9/5The high thermal conductivity (3000 Wm-1 K-1), high electron mobility (15000 cm 2 V-1 s-1), and high specific surface area of graphene nanosheet are also few amazing characteristics of this material. As an electronic material, graphene represents a new playground for electrons in 2, 1, and 0 dimensions where the rules are changed due to its linear band structure ( Fig.14 ) [ 60 ].

Manganese oxide synthesized from spent Zn

2019/6/20Characterization of synthesised Mn 3 O 4 Zn 5 (OH) 8 Cl 2 H 2 O decomposes to ZnO/ZnO bearing compound as per reaction 1 even below 900 C 34 and evaporated from the residue via formation of Zn vapor which is discussed in previous study 33.ZnMn 2 O 4 also started to transform to MnO and ZnO as per the reaction 2 35 where Zn/ZnO is recovered as condensate via Zn vapor leaving behind

Graphitic carbon materials extracted from spent carbon

2019/11/1Spent carbon cathode is purified by the graphitization method. • The purified carbon materials are investigated as anode of lithium-ion batteries. • The purified carbon materials show a high capacity than and comparative voltage plateau with graphite. • It gives a new

US20020054995A1

Separated graphite nanostructures are formed of thin graphite platelets having an aspect ratio of at least 1,500:1. The platelets have an angular geometric structure and may be fully independent from an original graphite particle, or partially attached to the particle.

US Patent Application for APPARATUS AND PROCESS FOR

2016/4/11Silicon-carbon composites are promising anode materials for LIBs due to their excellent high capacity and long cycle life. Among many approaches to produce these materials, incorporating silicon into carbon through a chemical vapor deposition (CVD) process produces uniform material structure and good performance.

A comprehensive review of graphene nanocomposites:

2014/1/12. Synthesis Approach of Graphene A long and coherent attempt of unsuccessful efforts to produce a single-layer graphene sheet has been made emphasizing the timely invention of a simple method presented by Novoselov's group in 2004 [1, 67, 68]. The group

US20160298234A1

The produced silicon-carbon composite can be used as advanced anode materials for lithium battery and other electrochemical energy storage device. A method and apparatus produce silicon-carbon composite materials through a chemical vapor deposition or a thermal disposition process in a fluidized bed reactor on a semi-continuous basis.

Recycling of graphite anodes for the next generation of

2015/12/28Graphite is currently the state-of-the-art anode material for most of the commercial lithium ion batteries. Among different types of natural graphite, flake graphite has been recently recognized as one of the critical materials due to the predicted future market growth of

Nanomaterials

A hindrance to the practical use of sodium-ion batteries is the lack of adequate anode materials. By utilizing the co-intercalation reaction, graphite, which is the most common anode material of lithium-ion batteries, was used for storing sodium ion. However, its performance, such as reversible capacity and coulombic efficiency, remains unsatisfactory for practical needs. Therefore, to

Spray drying–assisted recycling of spent LiFePO 4 for

2020/6/26With the booming of new energy storage and power battery industries, sustainable recycling of retired lithium batteries has become an urgent issue in today's society. This work develops a spray drying–assisted method for recovering used LiFePO4 to high-performance hollow spherical LiFePO4/C composites effectively. The typical technology consists of separation, purification, leaching, spray

Carbon Nanotubes and Carbon Nanotubes/Metal Oxide

2011/8/92.1. Synthesis of SWCNTs SWCNT can be considered to be a unique molecule, with different physical properties, depending on their chirality, which determines that SWCNTs are primarily metallic or semiconducting. Although obtaining a single aliquot of one (n,m) nanotube is not necessary in some cases, it is still necessary to obtain nanotubes that are free of non-nanotube carbon impurities and

Improved synthesis of graphene flakes from the multiple

2013/5/1Recycled graphite rod obtained from spent Zn–C primary batteries could be equally well exfoliated in our vertical configuration cell with no need of special pre-treatment or cleaning. Hence the employment of vertical cell configuration in electrochemical synthesis of graphene sheets can open up a wide opportunity for recycling of anode material in spent Li–ion batteries.

Zn–Fe–OC hollow microspheres as a high performance

Zn–Fe–OC hollow microspheres as a high performance anode material for lithium-ion batteries Jiayue Zhao a, Junming Su b, Siyang Liu a, Xiang Chen b, Tao Huang b and Aishui Yu * a a Department of Chemistry, Collaborative Innovation Center of Chemistry for Energy Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Institute of New Energy, Fudan University

Recycling of mixed cathode lithium‐ion batteries for

2020/1/10As seen in Table 2, most industrial facilities use pyrometallurgy, where spent LIBs are fed directly into a furnace and smelted at high temperatures (1000 C). In this process, the plastic, electrolyte, and carbonaceous components are decomposed/eliminated and valuable metals (Co, Ni, Cu, etc) are collected as molten metals and alloys.

Stretchable Energy Storage Devices: From Materials and

However, the full cell experienced poor cycling stability, originated from reactive Zn anode in alkaline electrolyte. Zn anode would be consumed after tens of cycles. Wang's group fabricated an epidermal tattoo‐based Zn‐Ag battery with lateral arrangement of []

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