High energy density double-layer capacitors for energy storage applications

Lai, Jih-Sheng; Levy, Steve; Rose, M.F.

doi:10.1109/62.143193

Cited by 49 publications

(43 citation statements)

References 1 publication

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“…25,[47][48][49][50][51][52][53][54] For example, in memory back-up, batteries' poorer cycle life makes their frequent replacement expensive (adding 20% onto the price of battery operated appliances). 55 In addition, in battery powered electric vehicles, batteries with lower power density cannot meet peak load requirements, originating from accelerating or climbing. With advantages such as long lifetime and high power density, ES can solve these problems.…”

Section: Applications Of Esmentioning

confidence: 99%

A review of electrode materials for electrochemical supercapacitors

2012

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Vous avez des questions? Nous pouvons vous aider. Pour communiquer directement avec un auteur, consultez la première page de la revue dans laquelle son article a été publié afin de trouver ses coordonnées. Si vous n'arrivez pas à les repérer, communiquez avec nous à PublicationsArchive-ArchivesPublications@nrc-cnrc.gc.ca. Questions? Contact the NRC Publications Archive team atPublicationsArchive-ArchivesPublications@nrc-cnrc.gc.ca. If you wish to email the authors directly, please see the first page of the publication for their contact information. NRC Publications Archive Archives des publications du CNRCThis publication could be one of several versions: author's original, accepted manuscript or the publisher's version. / La version de cette publication peut être l'une des suivantes : la version prépublication de l'auteur, la version acceptée du manuscrit ou la version de l'éditeur. For the publisher's version, please access the DOI link below./ Pour consulter la version de l'éditeur, utilisez le lien DOI ci-dessous. NRC Publications Record / Notice d'Archives des publications de CNRC:http://nparc.cisti-icist.nrc-cnrc.gc.ca/eng/view/object/?id=72117dd4-3024-4aa6-be53-472cfb3e5a2a http://nparc.cisti-icist.nrc-cnrc.gc.ca/fra/voir/objet/?id=72117dd4-3024-4aa6-be53-472cfb3e5a2a In this critical review, metal oxides-based materials for electrochemical supercapacitor (ES) electrodes are reviewed in detail together with a brief review of carbon materials and conducting polymers. Their advantages, disadvantages, and performance in ES electrodes are discussed through extensive analysis of the literature, and new trends in material development are also reviewed. Two important future research directions are indicated and summarized, based on results published in the literature: the development of composite and nanostructured ES materials to overcome the major challenge posed by the low energy density of ES (476 references).

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Section: Applications Of Esmentioning

confidence: 99%

A review of electrode materials for electrochemical supercapacitors

2012

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“…Figure 3.5 depicts the basic idea of a double-layer capacitor in relation to a Adapted from Ramadass et al, 2004;Jossen, 2006. parallel plate capacitor. In a case like a rechargeable battery, a porous separator is also placed in the middle, and if the active material used in the cell, which are the anode/cathode elements, they can be large area material used similar to supercapacitors (Lai and Rose, 1992). When two electrodes are placed across a liquid electrolyte, due to the action of the electrolyte, two charged layers are present on both ends of the electrolyte, and these are equivalent to two capacitors in series, and this is a liquid double-layer capacitor.…”

Section: Double-layer Effectsmentioning

confidence: 99%

Dynamics, models, and management of rechargeable batteries

Kularatna

2015

Energy Storage Devices for Electronic Systems

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“…When two electrodes are placed in an electrolyte, due to the action of the electrolyte, two charged layers develop on both ends of the electrolyte, which is equivalent to two capacitors in series, and this is called a double-layer capacitor. Due to the large surface areas of porous electrodes, a high-capacitance surface layer is formed next to the electrodes and creates the double-layer effect [5].…”

Section: Double-layer Effectsmentioning

confidence: 99%

Dynamics and Modeling of Rechargeable Batteries: What electrochemists? work tells the electronic engineers

Kularatna

2014

IEEE Power Electron. Mag.

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E nergy storage is a hot topic in power electronics due to the steady progress of electric vehicles (EVs), portable devices, and backup systems. Rechargeable batteries and supercapacitors are two complementary device families that are growing rapidly. Despite the fact that lead-acid, nickelmetal hydride (NiMH), and Li-ion are mature chemistries, massive research efforts continue to improve their capabilities. Starting from the early models by J.E.B. Randles [7], electrochemists who strive to improve chemistries or develop new devices have contributed hugely to predicting the behavior of batteries. This review aims at explaining why the simple constant voltage source and a fixed resistance is not adequate as a model, and how more accurate models can be developed based on the internal electrochemistry processes within the electrode pair, the electrolyte, and the porous separator.

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High energy density double-layer capacitors for energy storage applications

Cited by 49 publications

References 1 publication

A review of electrode materials for electrochemical supercapacitors

A review of electrode materials for electrochemical supercapacitors

Dynamics, models, and management of rechargeable batteries

Dynamics and Modeling of Rechargeable Batteries: What electrochemists? work tells the electronic engineers

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