SYNTHESIS AND APPLICATION OF CNT BASED ENERGY STORAGE AND CONVERSION DEVICES

Tubular Structures ◽

One Dimensional ◽

Good Material ◽

Conversion Materials ◽

And Storage

Carbon nanotubes (CNTs) are one-dimensional tubular structures of carbon that have attracted much attention due to their potential to be used in various fields like energy storage/conversion devices, biosensing devices, drug delivery systems to name a few. Their excellent electrochemical properties like electron mobility, electrical and thermal conductivity, and high surface area make them good material for use in energy storage and conversion materials. The most promising research in the synthesis and applications of CNTs toward energy conversion and storage is highlighted along with limitations faced in mass production.

Synthesis of high surface area and functionalized nanoporous biocarbons and their efficiency for CO2 capture and supercapacitors

Green Chemistry ◽

10.1039/d1gc01376a ◽

2021 ◽

Author(s):

Gurwinder Singh ◽

Rohan Bahadur ◽

Ajanya Maria Ruban ◽

Jefrin Marykala Davidraj ◽

Dawei Su ◽

...

Keyword(s):

Energy Storage ◽

Surface Area ◽

Co2 Capture ◽

Water Purification ◽

High Surface ◽

High Surface Area ◽

Waste Biomass ◽

Fabrication Technology ◽

Significant Attention

Nanoporous biocarbons derived from waste biomass have created significant attention owing to their great potential for energy storage and conversion and water purification. However, the fabrication technology for these materials...

Multifunctional nanostructured electrocatalysts for energy conversion and storage: current status and perspectives

Nanoscale ◽

10.1039/c8nr01032c ◽

2018 ◽

Vol 10 (24) ◽

pp. 11241-11280 ◽

Cited By ~ 112

Author(s):

Srabanti Ghosh ◽

Rajendra N. Basu

Keyword(s):

Energy Storage ◽

Oxygen Reduction Reaction ◽

Water Splitting ◽

Hydrogen Evolution Reaction ◽

Oxygen Evolution Reaction ◽

Reduction Reaction ◽

Current Status ◽

And Storage

Multifunctional electrocatalysts for oxygen reduction reaction (ORR), oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) have attracted widespread attention because of their important role in the application of various energy storage and conversion devices, such as fuel cells, metal–air, batteries and water splitting devices.

Recent progress in water-splitting and supercapacitor electrode materials based on MOF-derived sulfides

Journal of Materials Chemistry A ◽

10.1039/d1ta05927k ◽

2021 ◽

Author(s):

Matheus Ireno da Silva ◽

Ítalo R. Machadoa ◽

Henrique E. Toma ◽

Koiti Araki ◽

Lúcio Angnes ◽

...

Keyword(s):

Recent Progress ◽

Electrode Materials ◽

High Surface ◽

Metal Organic Frameworks ◽

High Surface Area ◽

Supercapacitor Electrode Materials

Supercapacitor Electrode ◽

Conversion Materials ◽

Metal Organic ◽

Metal–organic frameworks (MOFs) are being extensively reported as ideal templates or precursors for energy storage and conversion materials thanks to their unique architectures with high surface area, high ordered porosity,...

The Use of Anodic Oxides in Practical and Sustainable Devices for Energy Conversion and Storage

Materials ◽

10.3390/ma14020383 ◽

2021 ◽

Vol 14 (2) ◽

pp. 383

Author(s):

Janaina Soares Santos ◽

Patrícia dos Santos Araújo ◽

Yasmin Bastos Pissolitto ◽

Paula Prenholatto Lopes ◽

Anna Paulla Simon ◽

...

Keyword(s):

Energy Conversion ◽

High Surface ◽

High Surface Area ◽

Dye Sensitized Solar Cells ◽

Anodic Oxide ◽

Development Stage ◽

Anodic Films ◽

Practical Applications ◽

And Storage

This review addresses the main contributions of anodic oxide films synthesized and designed to overcome the current limitations of practical applications in energy conversion and storage devices. We present some strategies adopted to improve the efficiency, stability, and overall performance of these sustainable technologies operating via photo, photoelectrochemical, and electrochemical processes. The facile and scalable synthesis with strict control of the properties combined with the low-cost, high surface area, chemical stability, and unidirectional orientation of these nanostructures make the anodized oxides attractive for these applications. Assuming different functionalities, TiO2-NT is the widely explored anodic oxide in dye-sensitized solar cells, PEC water-splitting systems, fuel cells, supercapacitors, and batteries. However, other nanostructured anodic films based on WO3, CuxO, ZnO, NiO, SnO, Fe2O3, ZrO2, Nb2O5, and Ta2O5 are also explored and act as the respective active layers in several devices. The use of AAO as a structural material to guide the synthesis is also reported. Although in the development stage, the proof-of-concept of these devices demonstrates the feasibility of using the anodic oxide as a component and opens up new perspectives for the industrial and commercial utilization of these technologies.

Synthesis of the COFs: From Design Principle to Synthetic Reactions

Key Engineering Materials ◽

10.4028/www.scientific.net/kem.894.21 ◽

2021 ◽

Vol 894 ◽

pp. 21-30

Author(s):

Shi Da Zhuang

Keyword(s):

Energy Storage ◽

Design Principle ◽

High Surface ◽

High Surface Area ◽

Synthetic Methods ◽

Future Perspective ◽

Low Density ◽

Synthetic Reactions ◽

And Storage ◽

Storage Energy

Covalent organic frameworks (COFs) are a new category of materials and developing fast in recent years. COFs present low density, controllable porosity, and high surface area. Based on these merits, COFs have great potential in various applications, such as gas separation and storage, energy storage, catalysis, and many others. In this review, we summarize the synthesis of COFs from the aspects of design principles and synthetic reactions. In particular, we categorize the synthetic reactions of also COFs into six categories and introduce the advantages of each type of reaction. Moreover, we utilize several examples to illustrate how to construct COFs by these synthetic methods. In the end, a future perspective on the development of new synthetic methods for COFs is briefly mentioned.

Aerogels Utilization in Electrochemical Capacitors

10.5772/intechopen.93421 ◽

2020 ◽

Author(s):

Ranganatha Sudhakar

Keyword(s):

Energy Storage ◽

Electrode Materials ◽

Mechanical Stability ◽

High Surface ◽

High Surface Area ◽

Electrochemical Supercapacitors ◽

Storage Mechanism ◽

Electrochemical Double Layer ◽

And Performance

Supercapacitors are the integral part of electrochemical energy conversion and storage media. Energy storage mechanism is different in supercapacitors compared to batteries and results in exhibition of excellent power density. The supercapacitor performance is sensitive to material used as electrode, nature of electrolyte, etc. and the very significant is electrode surface nature. Based on the type of energy storage mechanism, supercapacitors are divided as electrochemical double-layer capacitors and pseudocapacitors. There is a practice to have both kind of these materials as electrode materials to achieve high electrochemical performance. Aerogels with inherent characteristics such as large pores, very high surface area, and superior mechanical stability make them superior candidates for electrode materials for high performance electrochemical supercapacitors. In this chapter, aerogels derived from different sources, their suitability and performance in view of electrochemical supercapacitors are discussed.

Recent Advances and Need of Green Synthesis in Two-Dimensional Materials for Energy Conversion and Storage Applications

Current Nanoscience ◽

10.2174/1573413716999210101122503 ◽

2021 ◽

Vol 16 ◽

Author(s):

Joice Sophia Ponraj ◽

Muniraj Vignesh Narayanan ◽

Ranjith Kumar Dharman ◽

Valanarasu Santiyagu ◽

Ramalingam Gopal ◽

...

Keyword(s):

Energy Storage ◽

Green Synthesis ◽

2D Materials ◽

Synthesis Method ◽

Two Dimensional ◽

Severe Problem ◽

Energy Application ◽

The Impact

: Increasing energy crisis across the globe requires immediate solutions. Two-dimensional (2D) materials are in great significance because of its application in energy storage and conversion devices but the production process significantly impacts the environment thereby posing a severe problem in the field of pollution control. Green synthesis method provides an eminent way of reduction in pollutants. This article reviews the importance of green synthesis in the energy application sector. The focus of 2D materials like graphene, MoS2, VS2 in energy storage and conversion devices are emphasized based on supporting recent reports. The emerging Li-ion batteries are widely reviewed along with their promising alternatives like Zn, Na, Mg batteries and are featured in detail. The impact of green methods in the energy application field are outlined. Moreover, future outlook in the energy sector is envisioned by proposing an increase in 2D elemental materials research.

One-Dimensional (1D) Nanostructured Materials for Energy Applications

Materials ◽

10.3390/ma14102609 ◽

2021 ◽

Vol 14 (10) ◽

pp. 2609

Author(s):

Abniel Machín ◽

Kenneth Fontánez ◽

Juan C. Arango ◽

Dayna Ortiz ◽

Jimmy De León ◽

...

Keyword(s):

Nanostructured Materials ◽

Fossil Fuels ◽

High Surface ◽

High Surface Area ◽

Future Research ◽

One Dimensional ◽

Progressive Movement ◽

1D Nanostructures ◽

Energy Applications ◽

Energy Processes

At present, the world is at the peak of production of traditional fossil fuels. Much of the resources that humanity has been consuming (oil, coal, and natural gas) are coming to an end. The human being faces a future that must necessarily go through a paradigm shift, which includes a progressive movement towards increasingly less polluting and energetically viable resources. In this sense, nanotechnology has a transcendental role in this change. For decades, new materials capable of being used in energy processes have been synthesized, which undoubtedly will be the cornerstone of the future development of the planet. In this review, we report on the current progress in the synthesis and use of one-dimensional (1D) nanostructured materials (specifically nanowires, nanofibers, nanotubes, and nanorods), with compositions based on oxides, nitrides, or metals, for applications related to energy. Due to its extraordinary surface–volume relationship, tunable thermal and transport properties, and its high surface area, these 1D nanostructures have become fundamental elements for the development of energy processes. The most relevant 1D nanomaterials, their different synthesis procedures, and useful methods for assembling 1D nanostructures in functional devices will be presented. Applications in relevant topics such as optoelectronic and photochemical devices, hydrogen production, or energy storage, among others, will be discussed. The present review concludes with a forecast on the directions towards which future research could be directed on this class of nanostructured materials.

Design Considerations for Borehole Thermal Energy Storage (BTES): A Review with Emphasis on Convective Heat Transfer

Geofluids ◽

10.1155/2019/4961781 ◽

2019 ◽

Vol 2019 ◽

pp. 1-26 ◽

Cited By ~ 9

Author(s):

Helge Skarphagen ◽

David Banks ◽

Bjørn S. Frengstad ◽

Harald Gether

Keyword(s):

Energy Storage ◽

Thermal Energy ◽

Thermal Energy Storage ◽

Theoretical Calculations ◽

High Surface ◽

High Surface Area ◽

Volume Ratio ◽

Thermal Recovery ◽

Conductive Heat ◽

Geological Environment

Borehole thermal energy storage (BTES) exploits the high volumetric heat capacity of rock-forming minerals and pore water to store large quantities of heat (or cold) on a seasonal basis in the geological environment. The BTES is a volume of rock or sediment accessed via an array of borehole heat exchangers (BHE). Even well-designed BTES arrays will lose a significant quantity of heat to the adjacent and subjacent rocks/sediments and to the surface; both theoretical calculations and empirical observations suggest that seasonal thermal recovery factors in excess of 50% are difficult to obtain. Storage efficiency may be dramatically reduced in cases where (i) natural groundwater advection through the BTES removes stored heat, (ii) extensive free convection cells (thermosiphons) are allowed to form, and (iii) poor BTES design results in a high surface area/volume ratio of the array shape, allowing high conductive heat losses. The most efficient array shape will typically be a cylinder with similar dimensions of diameter and depth, preferably with an insulated top surface. Despite the potential for moderate thermal recovery, the sheer volume of thermal storage that the natural geological environment offers can still make BTES a very attractive strategy for seasonal thermal energy storage within a “smart” district heat network, especially when coupled with more efficient surficial engineered dynamic thermal energy stores (DTES).