Triboelectric charging of insulators – Mass transfer versus electrons/ions

Williams, Meurig W.

doi:10.1016/j.elstat.2012.01.001

Cited by 22 publications

(12 citation statements)

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“…Whereas mass transport was proved experimentally [44,81,82], it was even suggested that material transfer accompanies every contact event. Also, more than one mechanism of charge transport should probably be taken into account during a single triboelectrification process [57,61,66,79,83,84]. For polymers and organic materials, material transfer or ion exchange is responsible for the generation of surface charges.…”

Section: Triboelectric Series and Chargetransfer Mechanismsmentioning

confidence: 99%

Electrostatic Separation

Dötterl

Wachsmuth

Waldmann

et al. 2016

Ullmann's Encyclopedia of Industrial Chemistry

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Section: Triboelectric Series and Chargetransfer Mechanismsmentioning

confidence: 99%

Electrostatic Separation

Dötterl

Wachsmuth

Waldmann

et al. 2016

Ullmann's Encyclopedia of Industrial Chemistry

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“…Material transfer to cause charging is believed to occur when vigorous rubbing or pressing is introduced [29,51]. For example, when some polymers are rubbed with friction, an exchange of deeper layer materials occurs [52].…”

Section: (Nano-) Materialsmentioning

confidence: 99%

“…Therefore, carbon black can be added and traced, and the change in triboelectric signals caused by carbon black can be the judgment. Therefore, the use of carbon black can help distinguish whether the material transfer will contribute to the tribo-charging process [51].…”

Section: (Nano-) Materialsmentioning

confidence: 99%

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Fundamental theories and basic principles of triboelectric effect: A review

2018

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Long-term observation of the triboelectric effect has not only proved the feasibility of many novel and useful tribo-devices (e.g., triboelectric nanogenerators), but also constantly motivated the exploration of its mysterious nature. In the pursuit of a comprehensive understanding of how the triboelectric process works, a more accurate description of the triboelectric effect and its related parameters and factors is urgently required. This review critically goes through the fundamental theories and basic principles governing the triboelectric process. By investigating the difference between each charging media, the electron, ion, and material transfer is discussed and the theoretical deduction in the past decades is provided. With the information from the triboelectric series, interesting phenomena including cyclic triboelectric sequence and asymmetric triboelectrification are precisely analyzed. Then, the interaction between the tribo-system and its operational environment is analyzed, and a fundamental description of its effects on the triboelectric process and results is summarized. In brief, this review is expected to provide a strong understanding of the triboelectric effect in a more rigorous mathematical and physical sense.

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“…It is not clear which of those three transport mechanisms is dominant. It is rather well accepted that more than one mechanism of charge transport is active during a single process [54,55,[62][63][64][65].…”

Section: Triboelectrificationmentioning

confidence: 99%

Principal Factors of Contact Charging of Minerals for a Successful Triboelectrostatic Separation Process – a Review

Mirkowska

Kratzer

Teichert

et al. 2016

Berg Huettenmaenn Monatsh

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Triboelectrostatic separation is a promising method used to separate non-conductive minerals. However, the knowledge about the underlying triboelectrification mechanisms is still very limited. Thus, predicting the separation results and finding proper separation parameters are challenging tasks. This article presents a comprehensive summary of phenomena and factors which play a decisive role in the charging behavior of non-conductors and, by implication, the efficiency of the separation process, such as water and adsorbents layers on the surface, surface roughness, humidity, type of contact, etc. The authors hope that this article opens a way for a systematic approach through basic experiments dedicated to a better understanding of triboelectrification processes.

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Triboelectric charging of insulators – Mass transfer versus electrons/ions

Cited by 22 publications

References 1 publication

Electrostatic Separation

Electrostatic Separation

Fundamental theories and basic principles of triboelectric effect: A review

Principal Factors of Contact Charging of Minerals for a Successful Triboelectrostatic Separation Process – a Review

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