Perspectives on supercapacitors, pseudocapacitors and batteries

Bakker, Martin G.; Frazier, R. M.; Burkett, S. L.; Bara, Jason E.; Chopra, Nitin; Spear, Scott K.; Pan, Shanlin; Xu, Cailing

doi:10.1680/nme.11.00007

Cited by 47 publications

(23 citation statements)

References 155 publications

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“…The working voltage in an SSC with an aqueous electrolyte is limited to < 1Vdue to water splitting or the thermodynamic breakdown of water molecules. [51] ASCs can also be formed fromt wo different carbonaceous materials as the positive and negative electrodes (e.g., AC and graphene) or the same material with different mass loadings, such that the electrostatic charge-storage mechanism will occur at both electrodes. [48,49] In addition, some promising strategies, such as exploiting the "waterin-salt"e lectrolyte, adjusting the pH of the electrolyte, modifying the surface of the electrode, and introducing redox-active additives,a re considered to be effective tactics for maximizing the operating voltage of the SCs.…”

Section: Asymmetric Supercapacitorsmentioning

confidence: 99%

Biomass‐Derived Carbon: A Value‐Added Journey Towards Constructing High‐Energy Supercapacitors in an Asymmetric Fashion

et al. 2019

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Section: Asymmetric Supercapacitorsmentioning

confidence: 99%

Biomass‐Derived Carbon: A Value‐Added Journey Towards Constructing High‐Energy Supercapacitors in an Asymmetric Fashion

et al. 2019

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“…The applications for graphene‐based nanomaterials are endless, and energy applications seem well suited to accept the unique physical and chemical characteristics, the graphene has to offer . Due to large specific capacitance, high mobility of charge carriers, and high specific surface area graphene‐based nanomaterials have good potential in energy sectors …”

Section: Other Applications Of Nanographene‐based Materialsmentioning

confidence: 99%

Nano‐Graphene as Groundbreaking Miracle Material: Catalytic and Commercial Perspectives

Singh

Hussain

2018

ChemistrySelect

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Over the past decade, nano‐graphene has emerged as one of the miraculous materials to mankind because of its outstanding electronic, optical, thermal, and mechanical properties. Unique characteristics of nano‐graphene make it more attractive for development of new metal‐free green heterogeneous catalysts especially for advance catalysis like photo catalysts, electrocatalysts, and organocatalysts. This review critically discusses the characterization techniques, catalysis, energy, and environmental applications of nano‐graphene. A systematic design of economic challenges, health and safety concerns, and industrial life cycle assessment (LCA) to realize the commercial scale exploitation of nano‐graphene is also reviewed. At the end, the challenges and opportunities for the future development of nano‐graphene in regards to its sustainability and affordability are described.

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“…Improved graphene nanoplatelets have been used in capacitors with energy densities and power densities rivaling lithium-ion batteries. 1 Both XG Sciences and Cabot announced new graphene-based products to enhance the capacity of lithium-ion batteries. Vorbeck Materials displayed prototypes of a new battery technology at the 2013 Consumer Electronics Show in Las Vegas resulting from a development partnership with Pacific Northwest National Laboratory and Princeton University.…”

Section: Frazier Weber and Adamsmentioning

confidence: 99%

The opportunity for graphene nanomaterials in energy applications

Frazier¹,

Weber²,

Adams³

2013

Nanomaterials and Energy

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Graphene is a true 21st century material, and has the potential to enable revolutionary products based on its mechanical strength, electrical conductivity, transparency and other properties based on manipulation of the physics and chemistry of a sheet of carbon atoms just one layer thick. 'Nanographene' (nanoscale graphene flakes) is positioned to challenge conventional materials as well as carbon fibers and carbon nanotubes for future applications in flexible electronics, composites and energy storage due to its properties and potential manufacturing cost advantages. The uses for graphene are endless, and energy applications seem well suited to accept the physical and chemical advantages, the graphene has to offer. This article discusses the recent activity of nanographene, and how the energy landscape can accommodate this new material that is rife with potential to disrupt the status quo.Graphene is a true 21st century material, isolated for the first time in 2003 by Andre Gleim and Kostya Novoselov at the University of Manchester who were awarded a Nobel Prize for their discovery in 2010. It has the potential to enable revolutionary products based on its mechanical strength, electrical and thermal conductivity, transparency and other properties based on manipulation of the physics and chemistry of a sheet of carbon atoms just one-layer thick.Graphene comes in two categories: sheets made by deposition and flakes made by exfoliation of bulk materials. Large area sheets are being investigated for uses in electronic device, sensor and display applications. 'Nanographene' (nanoscale graphene flakes) is positioned to challenge conventional materials as well as carbon fibers and carbon nanotubes for future applications in flexible electronics, composites and energy storage due to its properties and potential manufacturing cost advantages.Companies providing graphene are too numerous to list, but despite its unique advantages, the marketplace has not adopted products containing graphene with the wild abandon that was initially projected. This could partially be due to challenges associated with scaling production while providing consistent, high-quality material (flat, not wrinkled; single or few layer stacks; controlled size range and low oxygen content) as well as challenges related to integrating the material into commercial production processes. However, a few commercial products have entered the market. MeadWestvaco Corporation and Vorbeck Materials have announced an antitheft packaging solution utilizing printed graphene electronics based on Vorbeck's Vor-Ink. Ovation Polymers offer conductive composites incorporating graphite nanoplatelets and graphene for electrostatic dissipation control and other applications. For consumers, Head is offering a tennis racquet incorporating graphene.In a trend to match technology to high commercial value, there has been an increasing level of activity in energy applications of nanographene, taking advantage of large surface area, large specific capacitance and high mobility va...

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Perspectives on supercapacitors, pseudocapacitors and batteries

Cited by 47 publications

References 155 publications

Biomass‐Derived Carbon: A Value‐Added Journey Towards Constructing High‐Energy Supercapacitors in an Asymmetric Fashion

Biomass‐Derived Carbon: A Value‐Added Journey Towards Constructing High‐Energy Supercapacitors in an Asymmetric Fashion

Nano‐Graphene as Groundbreaking Miracle Material: Catalytic and Commercial Perspectives

The opportunity for graphene nanomaterials in energy applications

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