Browsing by Author "Khan, K.A."

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3R Economy of a PKL Electrochemical Cell
(Springer Science and Business Media Deutschland GmbH, 2022-01-04) Yesmin, F.; Islam, S.; Khan, K.A.; Zian Reza, S.M.; Hazrat Ali, M.
The term 3R means Reduction, Recycle and Reuse. It has been taken abandoned portable Zn/Cu-based electrodes for a PKL module which was used 8 years ago. The module was made by a glass plate and had six compartments. The plates from the compartment of this box can be replaced easily, and for this reason, it is called portable electrodes PKL module. The module possessed six chambers and each chamber contained four pairs of Zn and Cu-plates. In each chamber, all the Zn-plates were connected in parallel connection and similarly, all the Cu-plates were also connected in parallel connection. All chambers were connected in series connection. All the Zn-plates were new and all the Cu-plates were 8 years old. The electrolyte (PKL extract) was also 8 years old. The maximum open circuit voltage (Voc) was found to be 5.71 V, and the maximum short circuit current (Isc) was found to be 0.95 A. Most of the results have been tabulated and graphically discussed. © 2022, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.
A Study on Development of PKL Power
(Springer Science and Business Media Deutschland GmbH, 2019) Khan, K.A.; Hossain, M.A.; Rasel, S.R.,; Ohiduzzaman, M.,; Yesmin, F.,; Hassan, L.,; Salek, M.A.,; Reza, S.M.Z.
The PKL electricity is included under biomass electricity. The scientific name of PKL is Bryophillum pinnatum Leaf. PKL means Pathor Kuchi Leaf, which is the local name in Bangladesh. It is a very innovative technology in the present world. It has been developed the electricity from PKL in Bangladesh first. That is why sometimes it is called “Bangla Electricity” by somebody. In the present study, it has been found the open-circuit voltage (Voc), short-circuit current (Isc), maximum power (Pmax), voltage drop for different loads, consuming voltage, consuming current pattern for different loads of 1-KW PKL micro (Pathor Kuchi Leaf)-power system. The variation of load voltage (VL), load current (IL), and load power (PL) with the variation of time have also been studied. Most of the results have been tabulated and graphically discussed.
A Study on Zn/Cu-Based Pandan Leaf (Pandanus Amaryllifolius) Electrochemical Cell
(Springer Science and Business Media Deutschland GmbH, 2023-06-27) Rasel, S.R.; Khan, K.A.; Hossain, M.S.; Islam, S.; Hazrat Ali, M.; Khatun, R.
At present, there is a dire need of electricity around the world. There are a lot of remote areas where grid electricity is absent. So that some innovations are needed there for electricity production. The nonrenewable energy sources are limited. But we have a plenty of renewable energy sources. Although renewable energy sources are more safer for use in human life and the environmental pollutions. After finishing the renewable energy sources, people can use sun and plants for electricity generation. In our research paper, an idea has been taken for electricity production from pandan leaves because plants and leaves grow everywhere. The current and voltage have been generated from the pandan leaves which have been further used to light the LED lamp. Lighting the LED bulb proved that the idea was successful for electricity generation from pandan leaf. It is not limited to LED bulb; further, this idea will be used for other electric appliances. Pandan leaf (PL) has been used for getting electricity. The scientific name of the pandan leaf is Pandanus amaryllifolius. The pandan leaf extract has been used for electricity production. A comparative study has been done for both with and without secondary salt. CuSO4 has been used as a secondary salt. It has been studied the several parameters like open circuit voltage, load voltage, short circuit current, load current, maximum power, load power, and internal resistance. These parameters have been developed for both with and without secondary salt. It is shown that the performance for with secondary salt is better than the without secondary salt. The internal resistance was less for using the secondary salt. After doing this research work, it can be concluded that result is positive for electricity generation from pandan leaf.
PKL Backup LED Bulb—An Alternative Source of Electricity During Load Shading
(Springer Science and Business Media Deutschland GmbH, 2021-12-30) Khan, K.A.; Islam, S.,; Rasel, S.R.,; Saime, M.A.,; Islam, S.,; Ali, M.H.
Load shading is a great crisis of Third World countries. It is happening in the Third World countries frequently. To overcome this situation, instant and sudden electricity with PKL backup LED bulb has been studied. In this research paper, PKL has been divided into 3 categories: fresh PKL, living PKL and the effect of Ag NPs for living PKL tree. A beautiful and innovative idea has been designed and developed to extract power from the living PKL tree, fresh leaves and the use of Ag NPs for living PKL backup LED bulb, which may be an eternal source of electricity during load shading. In this research work, an LED bulb has been considered as a load. An internal circuit is considered inside the LED bulb. The LED bulb acts as a load and storage system simultaneously. A small storage battery has been used inside a PKL backup LED bulb. A charge controller is also used with the storage battery to save the storage battery. Charge Controller saves the storage battery from overcharging and undercharging. It is shown that the longevity of the PKL backup LED bulb for a single fresh leaf is 20 h, for a living leaf it is above 20 h, and it is also found that the voltage was constant for using Ag NPs. The intensity variation with time duration for the above-mentioned 3 cases has also been studied. The LED bulb has been functioning by using electricity that has been extracted from the living and fresh Pathor Kuchi (Bryophillum pinnatum) leaves directly, and that is the novelty of this research work. This work is very innovative, a new and unique research work all over the world. It may be the guideline for future work.
Studies on Synthesis, Characterization, and Monitoring of Ag NPs for Power Production Using Tomato
(Springer Science and Business Media Deutschland GmbH, 2023-06-27) Islam, F.; Khan, K.A.; Hossain, M.S.; Rasel, S.R.; Akter, S.
In this research paper, tomato extract has been synthesized and characterized for Ag NPs. This synthesized Ag NPs have been used for power production. This produced Ag NPs using tomato extract are very useful and eco-friendly. Different characterizations have been conducted UV-visible spectroscopy, FTIR, XRD, and FESEM. It is found that the absorption peak at around 428 nm for UV-visible spectrum. It is also found that the biomolecule compounds were responsible for the reduction and capping material of silver nanoparticles using FTIR spectra. It is also found that the particles to be crystalline in nature by XRD study, with a face-centered cubic (FCC) structure. The power production activity of Ag NPs was assessed to find their potential use in electrochemical cell. It is found that the open circuit voltage (Voc), short circuit current (Isc), and maximum power (Pmax) were better for using Ag NPs from the tomato extract of a single electrochemical cell.
Synthesis, Characterizations of Silver Nanoparticles (AgNPs) and Monitoring for Power Production Using Drumstick Leaves
(Springer Science and Business Media Deutschland GmbH, 2023-06-23) Khan, K.A.; Haider, M.T.; Hossain, M.S.; Rasel, S.R.
The drumstick fresh leaves in aqueous extract form have been used (Moringa oleifera) for green synthesis of silver nanoparticles (AgNPs). The green synthesis method has been conducted for the production of AgNPs for the application in power production. The different methods are developing for synthesis of AgNPs for multiple applications. It is found that green synthesis from Moringa oleifera leaves is cost-effective and echo-friendly. The synthesized AgNPs have been characterized through ultraviolet–visible spectroscopy (UV–Vis), Fourier transform infrared (FTIR), powder X-ray diffraction (XRD), field emission scanning electron microscope (FESEM). It is found that the UV–visible spectrum contains AgNPs in the aqueous medium, and it is also found that absorption peak was at around 332 nm. It is again found from the FTIR analysis that the bimolecular compounds were responsible for the reduction and capping material of AgNPs. It is also found that from the XRD study that the particles to be crystalline in nature, with a face-centered cubic (fcc) structure. The power production activity of AgNPs was assessed to find their potential use in an electrochemical cell. Most of the results have been tabulated and graphically discussed.
Synthesis, evaluation, and monitoring of red amaranth extract for power production
(Institute of Physics, 2024-11-18) Tanisa, N.Y.; Khan, K.A.; Salahuddin, M.
The scientific paper describes the synthesis of silver nanoparticles (Ag NPs) using a fresh red amaranth preparation and explores their potential to enhance the output current of a red amaranth bio-electrolytic cell. The study employed various analytical techniques such as x-ray diffraction (XRD), Fourier transform infrared (FTIR), ultraviolet-visible spectroscopy (UV-vis), dynamic light scattering (DLS), and Raman spectroscopy to characterise and detect the nanoparticles. The UV-vis analysis of the dripping media containing silver nanoparticles exhibited an absorption peak, indicating the presence of the nanoparticles. FTIR was utilised to examine the interaction between the biomaterial components and the oxidation and wrapping of silver nanoparticles. XRD analysis revealed that the synthesised nanoparticles possessed a naturally columnar shape and a face-centered cubic (FCC) structure. The average size and morphology of the nanoparticles were characterised by dynamic light scattering (DLS). Raman spectra revealed the unique surface-enhancing properties of synthesised Ag NPs. The research presented in the paper highlights the remarkable performance of silver nanoparticles in bio-electrolyte power generation systems. It emphasises a straightforward, cost-effective, and environmentally friendly method for producing Ag NPs using red amaranth extract. These findings contribute to the development of a novel framework for bio-electrochemical cells and emphasise the importance of further research on the effects of Ag NPs on these cells. It is found that the open circuit voltage is 3.254 V, short circuit current is 2.256 mA, and load current is 1.987 mA before using the Ag NPs and open circuit voltage is 5.678 volts, short circuit current is 4.212 mA, and load current is 2.887 mA after using the Ag NPs. It is seen that the values of the three parameters have been increased after using the Ag NPs, which ensured the significance of the use of Ag NPs