Effect of activated carbon and electrolyte on properties of supercapacitor

Zhou, Shaoyun; Li, Xinhai; Wang, Zhixing; Guo, Huajun; Peng, Wenjie

doi:10.1016/s1003-6326(07)60271-4

Cited by 45 publications

(23 citation statements)

References 12 publications

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“…Although supercapacitors slowly lose their charge, impurities in the electrode material (or electrolyte) may accelerate the self‐discharge process . Particularly, the ash content, which is considered to be one type of impurity in the traditional AC‐based electrode, has been reported to increase the leakage current . However, most research on novel carbon‐based electrodes so far, especially the waste‐derived carbon‐based electrodes reviewed here, focuses more on improving their power density, energy density, and cycling performance, while the leakage current is rarely studied.…”

Section: Applications Of Waste‐derived Carbon‐based Functional Materialsmentioning

confidence: 99%

Carbon‐Based Functional Materials Derived from Waste for Water Remediation and Energy Storage

et al. 2017

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Carbon-based functional materials hold the key for solving global challenges in the areas of water scarcity and the energy crisis. Although carbon nanotubes (CNTs) and graphene have shown promising results in various fields of application, their high preparation cost and low production yield still dramatically hinder their wide practical applications. Therefore, there is an urgent call for preparing carbon-based functional materials from low-cost, abundant, and sustainable sources. Recent innovative strategies have been developed to convert various waste materials into valuable carbon-based functional materials. These waste-derived carbon-based functional materials have shown great potential in many applications, especially as sorbents for water remediation and electrodes for energy storage. Here, the research progress in the preparation of waste-derived carbon-based functional materials is summarized, along with their applications in water remediation and energy storage; challenges and future research directions in this emerging research field are also discussed.

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Section: Applications Of Waste‐derived Carbon‐based Functional Materialsmentioning

confidence: 99%

Carbon‐Based Functional Materials Derived from Waste for Water Remediation and Energy Storage

et al. 2017

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“…As a consequence of leakage current, the voltages of supercapacitors reduce gradually with the extending of time, and they decrease quickly before 3 h and become gentle subsequently. Zhou [27] and co-workers have explained this phenomenon as follows: (I) biggish leakage currents and selfdischarge are caused when diffusion layer ions regress to bulk solution at the beginning. And then (II) compact layer ions move to diffusion layer because of vibration and concentration difference.…”

Section: Electrolytementioning

confidence: 99%

Effect of aqueous electrolytes on the electrochemical behaviors of supercapacitors based on hierarchically porous carbons

Zhang

Wang

Jiang

et al. 2012

Journal of Power Sources

237

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“…Carbon: Carbon is the most extensively studied electrode material. Due to its high accessible surface area and easy availability, activated carbon has been utilized as an electrode material in electrochemical capacitors ever since its development [6]. Today, it is still an attractive option because of its low cost, good availability, high porous nature and high electrical conductivity.…”

Section: Materials Used In Su Perca Pacitormentioning

confidence: 99%

“…Extensive research has been done in determining suitable electrolytes and electrode materials for supercapacitors. Activated carbon and metal oxides are used as electrode materials [6][7] [8]. Rolled type supercapacitors are more popular.…”

Section: Introductionmentioning

confidence: 99%