scholarly journals Effect of Humidity on Electrical Conductivity of Graphite Nanocomposite Based Electrodes: A Review

2020 ◽  
Vol 17 (Issue 1) ◽  
pp. 08-15
Author(s):  
Sameena Mahtab ◽  
Pragati Joshi ◽  
Bhagwati Arya ◽  
M.G.H. Zaidi ◽  
Tanveer Irshad Siddiqui
Keyword(s):  
Mechanical Properties ◽  
Recent Progress ◽  
Low Cost ◽  
Nanocomposite Materials ◽  
Charge Storage ◽  
Automated Systems ◽  
Energy Storage Devices ◽  
Humidity Sensors ◽  
Storage Devices ◽  
Unique Potential

We have reviewed recent progress on various types of humidity sensors as it is one of the most significant issues in various areas of sensing appliances such as instrumentation, charge storage automated systems, industries and agriculture. Various effective approaches have been discussed to develop ceramic, semiconducting and polymer based graphite sensors. It was found that graphite based nanocomposite materials have unique potential for detecting humidity due to specific structure, high electrothermal conductivities, good mechanical properties, low cost and ultrahigh surface area that increases applications in the field of energy storage devices.

scholarly journals Recent Progress in the Electrochemical Exfoliation of Colloidal Graphene: A Review

2021 ◽  
Author(s):  
Randhir Singh
Keyword(s):  
Mechanical Properties ◽  
Recent Progress ◽  
Colloidal Solution ◽  
Energy Storage Devices ◽  
High Quality ◽  
Electrochemical Exfoliation ◽  
Time Saving ◽  
Storage Devices ◽  
Colloidal Form ◽  
Short Time

Graphene is a wonder nanomaterial which is used in a wide variety of electronics applications because of its excellent electrical, optical, chemical and mechanical properties. For the efficient use of graphene in the preparation of modern electronics devices it is imperative to first prepare a colloidal solution of graphene. Although various techniques are being used for the synthesis of colloidal form of graphene, the synthesis of colloidal graphene via electrochemical exfoliation is time saving and easy, facile method which can be easily performed in the laboratory without any expensive and sophisticated equipment as required in other techniques. Through electrochemical exfoliation of colloidal graphene, high quality graphene can be obtained within short time. Further, after the electrochemical exfoliation of colloidal graphene, the colloidal solution is stable in the organic solvent for few weeks. The conducting electrodes prepared by this colloidal solution of graphene have wide application in the areas of flexible energy storage devices and sensors fabrication.

scholarly journals Monocarborane cluster as a stable fluorine-free calcium battery electrolyte

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Kazuaki Kisu ◽  
Sangryun Kim ◽  
Takara Shinohara ◽  
Kun Zhao ◽  
Andreas Züttel ◽  
...  
Keyword(s):  
Room Temperature ◽  
Coulombic Efficiency ◽  
Low Cost ◽  
Ionic Conductivities ◽  
High Energy ◽  
High Energy Density ◽  
Free Calcium ◽  
Energy Storage Devices ◽  
Storage Devices ◽  
Battery Electrolyte

AbstractHigh-energy-density and low-cost calcium (Ca) batteries have been proposed as ‘beyond-Li-ion’ electrochemical energy storage devices. However, they have seen limited progress due to challenges associated with developing electrolytes showing reductive/oxidative stabilities and high ionic conductivities. This paper describes a calcium monocarborane cluster salt in a mixed solvent as a Ca-battery electrolyte with high anodic stability (up to 4 V vs. Ca2+/Ca), high ionic conductivity (4 mS cm−1), and high Coulombic efficiency for Ca plating/stripping at room temperature. The developed electrolyte is a promising candidate for use in room-temperature rechargeable Ca batteries.

MXene for aqueous zinc-based energy storage devices

2021 ◽  
Author(s):  
Ye Chen ◽  
Xinyu Yin ◽  
Shuyuan Lei ◽  
Xiaojing Dai ◽  
Xilian Xu ◽  
...  
Keyword(s):  
Energy Storage ◽  
Mechanical Stability ◽  
Low Cost ◽  
Electronic Conductivity ◽  
Zinc Ion ◽  
Research Progress ◽  
Transition Metal Carbide ◽  
Energy Storage Devices ◽  
Storage Devices ◽  
High Electronic Conductivity

MXene, a class of 2D transition metal carbide/nitride materials, has attracted widespread attention since its first discovery in 2011. Due to its high electronic conductivity, large specific surface area, good mechanical stability, and adjustable surface functional groups, MXene-based nanomaterials have shown great potential in energy storage devices. Meanwhile, zinc-based aqueous energy storage devices became a hotspot recently in energy storage field on account of their high security and low cost. In this review, the research progress on the preparation routes, preserving method, related structure and properties of MXene is first summarized. Followed by is an introduction of the recent state-of-the-art development of MXene-based electrodes for zinc-based aqueous energy storage devices, including zinc ion batteries (ZIBs), zinc-air batteries (ZABs), and zinc-halide batteries (ZHBs). Finally, the major bottleneck and perspectives for MXene-based nanomaterials in zinc-based aqueous energy storage devices are pointed out.

Polyaniline Nanocomposites

2019 ◽  
pp. 220-253 ◽  
Author(s):  
Dipanwita Majumdar
Keyword(s):  
Energy Storage ◽  
Cost Effective ◽  
Future Generation ◽  
Charge Storage ◽  
Energy Storage Devices ◽  
High Quality ◽  
Storage Devices ◽  
Effective Synthesis ◽  
Nano Carbon ◽  
Hand Assistance

Polyaniline in various forms has been widely explored as an electrode material for supercapacitors due to its high theoretical charge storage capacity, facile-cost-effective synthesis, good mechanical strength and ultrafast charge transport. However, commercialization of such pristine forms is very much restricted by low solubilities, rapid agglomeration during device design accompanied by poor electrochemical life and fast environmental decomposition. The blending with nano-carbon materials, metal oxides and other competent materials, may result in high quality materials– “nanocomposites” with superior features is ideally fit for future generation energy storage devices. The present chapter deals with detailed discussions on designing, the fabrication of such binary and ternary nanocomposites, correlating their morphology with electrochemical behavior, so as to optimize their supercapacitive performances. Such an attempt would help to outline the present status and future aspects of these materials which will be of first-hand assistance especially to the beginners to this field of research.

scholarly journals A Review of Supercapacitors Based on Graphene and Redox-Active Organic Materials

Materials ◽  
2019 ◽  
Vol 12 (5) ◽  
pp. 703 ◽  
Author(s):  
Qi Li ◽  
Michael Horn ◽  
Yinong Wang ◽  
Jennifer MacLeod ◽  
Nunzio Motta ◽  
...  
Keyword(s):  
Electrode Materials ◽  
Low Cost ◽  
Lithium Ion ◽  
Dimensional Structure ◽  
Future Research ◽  
Synthesis Methods ◽  
Energy Storage Devices ◽  
Storage Devices ◽  
Redox Active ◽  
Recent Developments

Supercapacitors are a highly promising class of energy storage devices due to their high power density and long life cycle. Conducting polymers (CPs) and organic molecules are potential candidates for improving supercapacitor electrodes due to their low cost, large specific pseudocapacitance and facile synthesis methods. Graphene, with its unique two-dimensional structure, shows high electrical conductivity, large specific surface area and outstanding mechanical properties, which makes it an excellent material for lithium ion batteries, fuel cells and supercapacitors. The combination of CPs and graphene as electrode material is expected to boost the properties of supercapacitors. In this review, we summarize recent reports on three different CP/graphene composites as electrode materials for supercapacitors, discussing synthesis and electrochemical performance. Novel flexible and wearable devices based on CP/graphene composites are introduced and discussed, with an eye to recent developments and challenges for future research directions.

A new generation of energy storage electrode materials constructed from carbon dots

2020 ◽  
Vol 4 (3) ◽  
pp. 729-749 ◽  
Author(s):  
Ji-Shi Wei ◽  
Tian-Bing Song ◽  
Peng Zhang ◽  
Xiao-Qing Niu ◽  
Xiao-Bo Chen ◽  
...  
Keyword(s):  
Energy Storage ◽  
Carbon Dots ◽  
Recent Progress ◽  
Electrode Materials ◽  
Electrochemical Energy Storage ◽  
Energy Storage Devices ◽  
Storage Devices ◽  
Positive Effects ◽  
New Generation ◽  
Electrochemical Energy

This review summarizes the recent progress in the design and preparation of multiple electrochemical energy storage devices utilizing carbon dots, and elaborates the positive effects of carbon dots on the resulting electrodes and devices.

Bipolar porous polymeric frameworks for low-cost, high-power, long-life all-organic energy storage devices

2014 ◽  
Vol 245 ◽  
pp. 553-556 ◽  
Author(s):  
Ken Sakaushi ◽  
Eiji Hosono ◽  
Georg Nickerl ◽  
Haoshen Zhou ◽  
Stefan Kaskel ◽  
...  
Keyword(s):  
Energy Storage ◽  
High Power ◽  
Low Cost ◽  
Energy Storage Devices ◽  
Storage Devices ◽  
Long Life

Electrolyte design strategies and research progress for room-temperature sodium-ion batteries

2017 ◽  
Vol 10 (5) ◽  
pp. 1075-1101 ◽  
Author(s):  
Haiying Che ◽  
Suli Chen ◽  
Yingying Xie ◽  
Hong Wang ◽  
Khalil Amine ◽  
...  
Keyword(s):  
Room Temperature ◽  
Low Cost ◽  
Sodium Ion ◽  
Research Progress ◽  
Sodium Ion Batteries ◽  
Design Strategies ◽  
Energy Storage Devices ◽  
Storage Devices ◽  
Functional Development ◽  
Electrochemical Window

Electrolyte design or functional development is very effective at promoting the performance of sodium-ion batteries, which are attractive for electrochemical energy storage devices due to abundant sodium resources and low cost. The roadmap of the sodium ion batteries based on electrolyte materials was drawn firstly and shows that the electrolyte type decides the electrochemical window and energy density.

Sign in / Sign up

Export Citation Format

Share Document