A water-activated battery based on activated carbon

Nguyen, Dang Trang; Taguchi, Kozo

doi:10.11591/ijece.v9i5.pp4053-4059

Cited by 4 publications

(7 citation statements)

References 16 publications

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“…In the previous study, we have confirmed that ACP was the main cause of electricity generation in the anode [11]. However, the power generation capacity of ACP was low.…”

Section: Impact Of Baking Soda Treatmentmentioning

confidence: 63%

“…In the previous study, we have discovered the property of electricity generation by AC powder (ACP) loaded in the anode of a water-activated battery (WAB) [11]. The performance of ACP in various working conditions was investigated, and a hypothesis was proposed to explain the operation principle.…”

Section: Introductionmentioning

confidence: 99%

“…A biodegradable paper-based WAB was fabricated for on-demand micropower generation activated anytime, anywhere by water. The WAB proposed in the previous study [11] used potassium ferricyanide in the cathode as an electron acceptor. However, potassium ferricyanide is not environmentally friendly.…”

Section: Introductionmentioning

confidence: 99%

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A biodegradable water-activated battery: using an activated carbon-based anode and a CNT-based air-cathode

Nguyen

Taguchi

2022

IOP Conf. Ser.: Earth Environ. Sci.

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Activated carbon has been popularly utilizing for countless applications such as purification of water, heavy metal removal, and natural gas and biogas storage. In this study, a novel phenomenon of activated carbon powder (ACP) has been utilized to realize a disposable water-activated battery. The battery is environmentally friendly because it is based on an ACP-loaded anode and a multiwalled carbon nanotube-coated air-cathode. The air-cathode was integrated on the backside of a paper-based proton exchange membrane. The battery case was made of cardboard for low cost and biodegradability. The proton exchange membrane was attached to the battery case. The anode was separately fabricated and could be simply set in the battery case for power generation. Because the air-cathode was used, the battery case could be reused for many cycles. The anode could also be reused for some cycles. Although the output power capacity of the battery is low in the range of mW kg−1 of ACP, it is made of low-cost and abundant materials, and therefore being able to be scaled up. The battery is a biodegradable on-demand micropower generation.

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“…In the previous study, we have confirmed that ACP was the main cause of electricity generation in the anode [11]. However, the power generation capacity of ACP was low.…”

Section: Impact Of Baking Soda Treatmentmentioning

confidence: 63%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

A biodegradable water-activated battery: using an activated carbon-based anode and a CNT-based air-cathode

Nguyen

Taguchi

2022

IOP Conf. Ser.: Earth Environ. Sci.

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“…In today's world of the internet for everything, personalized wearable devices have a large market share of the overall demand in electronic devices. This market is expected to grow over USD 80 million by the year 2024, driving researchers and industries to pursue the development thin, flexible energy storage devices that can meet the requirements of portable wearable devices [1], [2]. These devices have to be small and portable, while still embedding a multitude of features.…”

Section: Introductionmentioning

confidence: 99%

Fabrication and characterization of printed zinc batteries

Nazri

Nordin

Lim³

et al. 2021

Bulletin EEI

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Zinc batteries are a more sustainable alternative to lithium-ion batteries due to its components being highly recyclable. With the improvements in the screen printing technology, high quality devices can be printed with at high throughput and precision at a lower cost compared to those manufactured using lithographic techniques. In this paper we describe the fabrication and characterization of printed zinc batteries. Different binder materials such as polyvinyl pyrrolidone (PVP) and polyvinyl butyral (PVB), were used to fabricate the electrodes. The electrodes were first evaluated using three-electrode cyclic voltammetry, x-ray diffraction (XRD), and scanning electron microscopy before being fully assembled and tested using charge-discharge test and two-electrode cyclic voltammetry. The results show that the printed ZnO electrode with PVB as binder performed better than PVP-based ZnO. The XRD data prove that the electro-active materials were successfully transferred to the sample. However, based on the evaluation, the results show that the cathode electrode was dominated by the silver instead of Ni(OH)2, which leads the sample to behave like a silver-zinc battery instead of a nickel-zinc battery. Nevertheless, the printed zinc battery electrodes were successfully evaluated, and more current collector materials for cathode should be explored for printed nickel-zinc batteries.

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“…Nowadays, environmental problems caused by fossil fuels have been emerging around the world. Renewable energies replacing fossil fuel-based energies are expected to be a vital solution [1][2][3]. For example, wind power, hydraulic power, solar power, geothermal power.…”

Section: Introductionmentioning

confidence: 99%

Enhancing DSSC conversion efficiency by ozone-treated TiO2 photoanode and optimum CNT/PDDA counter electrode

Kurokawa¹,

Nguyen²,

Fujimoto³

et al. 2020

IJECE

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The conversion efficiency of dye-sensitized solar cells (DSSCs) depends on the performance of the photoanode and the counter electrode. In this paper, UV-ozone treatment has been applied to the photoanode to clean and increase the hydrophilicity of the photoanode. As a result, the dye adsorption capacity was improved. Also, low-cost multiwalled carbon nanotube (CNT) combined with poly (diallyl dimethylammonium chloride) (PDDA) was used to fabricate the counter electrode. The CNT/PDDA counter electrode was optimized to maximize its performance. By using the ozone-treated photoanode and optimum CNT/PDDA counter electrode, the conversion efficiency has increased by about 64%.

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A water-activated battery based on activated carbon

Cited by 4 publications

References 16 publications

A biodegradable water-activated battery: using an activated carbon-based anode and a CNT-based air-cathode

A biodegradable water-activated battery: using an activated carbon-based anode and a CNT-based air-cathode

Fabrication and characterization of printed zinc batteries

Enhancing DSSC conversion efficiency by ozone-treated TiO2 photoanode and optimum CNT/PDDA counter electrode

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