Study the effect of conductive fillers on a secondary Zn electrode based on ball-milled ZnO and Ca(OH)2 mixture powders

Yang, Chun‐Chen; Chien, Wen-Chen; Wang, Ching Li; Wu, Cheng-Yeou

doi:10.1016/j.jpowsour.2007.07.053

Cited by 20 publications

(18 citation statements)

References 24 publications

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“…These attempts include but not limited to using organic and inorganic additives in zinc electrode and electrolyte, tailoring separator 2 Journal of Nanomaterials structure to minimize dendritic zinc growth [9,10], and using different electrode geometries [11,12]. One of the effective ways to minimize the abovementioned problems is to use various oxide additives, such as Ca(OH) 2 [13,14] [18], in zinc electrode. These additives can reduce the concentration of the zinc oxidation products and improve electronic conductivity and current distribution [14].…”

Section: Introductionmentioning

confidence: 99%

“…One of the effective ways to minimize the abovementioned problems is to use various oxide additives, such as Ca(OH) 2 [13,14] [18], in zinc electrode. These additives can reduce the concentration of the zinc oxidation products and improve electronic conductivity and current distribution [14]. Binders or gels, such as sodium silicate [19], tapioca [20], polytetrafluoroethylene [21,22], Carbopol gel [23,24], and sago which is a starch extracted from palm stems [25], were used to increase the active material utilization and effective surface area in zinc electrode.…”

Section: Introductionmentioning

confidence: 99%

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Zinc Electrode Morphology Evolution in High Energy Density Nickel-Zinc Batteries

Payer

Ebil

2016

Journal of Nanomaterials

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Prismatic Nickel-Zinc (NiZn) batteries with energy densities higher than 100 Wh kg −1 were prepared using Zn electrodes with different initial morphologies. The effect of initial morphology of zinc electrode on battery capacity was investigated. Scanning electron microscopy (SEM) and X-ray diffraction (XRD) reveal that initial morphology of zinc electrode changes drastically after a few charge/discharge cycles regardless of initial ZnO powder used. ZnO electrodes prepared using ZnO powders synthesized from ZnCl 2 and Zn(NO 3 ) 2 lead to average battery energy densities ranging between 92 Wh kg −1 and 109 Wh kg −1 while using conventional ZnO powder leads to a higher energy density, 118 Wh kg −1 . Average discharge capacities of zinc electrodes vary between 270 and 345 mA g −1 , much lower than reported values for nano ZnO powders in literature. Higher electrode surface area or higher electrode discharge capacity does not necessarily translate to higher battery energy density.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Zinc Electrode Morphology Evolution in High Energy Density Nickel-Zinc Batteries

Payer

Ebil

2016

Journal of Nanomaterials

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“…The influence of PVA and KOH in polymer electrolytes on ionic conductivity of electrolyte was investigated by Mohamad et al [17]. The result of this study indicated that the capacity was found to be 5.5 mAh at the end of Cihanoğlu G, Ebil Ö. JOTCSA.…”

Section: Introductionmentioning

confidence: 91%

“…67 100 cycles [17]. In another study, polymer gel electrolyte with 60:40 ratio in zinc-carbon cell was examined by Saleem et al [30].…”

Section: Research Articlementioning

confidence: 99%

“…Another one is to fabricate an electrode including different morphology and size of zinc oxide [13][14][15]. Some of oxide additives used in zinc electrode, such as Ca(OH)2 [16,17], Bi2O3 [18], PbO [19], TiO2 [20], and In2O3 [21] are convenient to decrease the concentration of the zinc oxidation products and improve electronic conductivity and current distribution [17]. Binders or gels, such as sodium silicate [22], tapioca [23], polytetrafluoroethylene [24,25], carbopol gel [26,27], and sago [28], are ways to improve the active material utilization and effective surface area in zinc electrode.…”

Section: Introductionmentioning

confidence: 99%

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Binder Effect on Electrochemical Performance of Zinc Electrodes For Nickel-Zinc Batteries

Cihanoğlu¹,

Ebil²

2017

Journal of the Turkish Chemical Society, Section A: Chemistry

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Polyethylene glycol (PEG) and polyvinyl alcohol (PVA) were used as a zinc electrode binder at different concentrations to enhance the electrochemical behavior of zinc electrodes for nickel-zinc (NiZn) batteries. ZnO powders synthesized by mechanochemical and hydrothermal precipitation methods were mixed with lead oxide, calcium hydroxide and binder to prepare zinc electrodes in pouch cell NiZn batteries. Scanning Electron Microscopy (SEM) and X-Ray Diffraction (XRD) analysis reveal that initial morphology of zinc electrode changes drastically regardless of the binder type and its loading after charge/discharge process, and even the charge/discharge process is not complete. The results show that the presence of PEG causes better discharge capacity compared to that of PVA as a binder. Zinc electrode prepared using commercial ZnO powder and 3 wt.% PEG gives the optimum discharge capability, with a specific capacity of approximately 311 mAhg -1 , while zinc electrodes prepared using ZnO powder synthesized from ZnCl2 and Zn(NO3)2.6H2O and 6 wt.% PEG exhibit high specific energy of 255 and 275 mAhg -1 , respectively. The results suggest a relationship between binder loading and battery capacity, but in-situ analysis of microstructural evolution of zinc electrode during charge/discharge process is needed to confirm this relationship.

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Effect of Calcium on the Solubility of Zinc Oxide in the Sodium Hydroxide Solution

Chen¹,

Xü²,

Chen³

et al. 2013

Materials Processing Fundamentals

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Study the effect of conductive fillers on a secondary Zn electrode based on ball-milled ZnO and Ca(OH)2 mixture powders

Cited by 20 publications

References 24 publications

Zinc Electrode Morphology Evolution in High Energy Density Nickel-Zinc Batteries

Zinc Electrode Morphology Evolution in High Energy Density Nickel-Zinc Batteries

Binder Effect on Electrochemical Performance of Zinc Electrodes For Nickel-Zinc Batteries

Effect of Calcium on the Solubility of Zinc Oxide in the Sodium Hydroxide Solution

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