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Masyrofi, Mohammad Iqbal Faza
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STUDI LITERATUR: ANALISIS PENGARUH DOPING PADA KATODA NMC 811 DALAM MENINGKATKAN KINERJA ELEKTROKIMIA BATERAI LITHIUM-ION Ambarwati, Vita; Masyrofi, Mohammad Iqbal Faza
JURNAL DARMA AGUNG Vol 32 No 5 (2024): OKTOBER
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Darma Agung (LPPM_UDA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46930/ojsuda.v32i5.5412

Abstract

Lithium-ion batteries (LIBs) are a widely used energy storage technology, especially in electric vehicles and renewable energy, due to their high energy density and long cycle life. One of the promising cathode materials is NMC 811 (Nickel Manganese Cobalt) due to its large energy capacity. However, the issues of capacity degradation and cycle stability are still major challenges in the development of this material. This research focuses on doping strategies to improve the electrochemical performance of NMC 811 cathode. The addition of elements such as aluminum (Al), tin (Sn), and scandium (Sc) has been shown to be effective in improving retention capacity, conductivity, and structural stability. The purpose of this study is to analyze the effect of doping on the specific capacity, coulombic efficiency, cycle stability, and ionic conductivity of NMC 811 cathodes, while identifying the most effective dopant elements. This research uses a descriptive qualitative approach with literature study techniques from various scientific sources. The results show that doping is an effective solution to overcome the limitations of NMC 811 cathode, supporting the development of better lithium-ion batteries for the future. In addition to improving electrochemical performance, doping also contributes to a more efficient and sustainable energy storage technology.
Pemberdayaan Kelompok PKK melalui Ecosmart Farming dalam Mengubah Limbah Pembalut untuk Budidaya Tanaman dan Upaya Carbon Capture Berbasis Iot Fatmawati, Lilis; Ikhtisholiyah, Ikhtisholiyah; Rusmanto, Didik Eko; Yaqin, Nur; Widayanti, Ameliya; Masyrofi, Mohammad Iqbal Faza
Jurnal SOLMA Vol. 14 No. 3 (2025)
Publisher : Universitas Muhammadiyah Prof. DR. Hamka (UHAMKA Press)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/solma.v14i3.20799

Abstract

Background: Sanitary pads are one of the main necessities for women during menstruation, which generally occurs every month. Industrial cities such as Gresik have high levels of air pollution due to emissions from factories. The implementation of an IoT-based EcoSmart Farming program can help improve air quality through greening and improve soil quality with better planting media. The objectives of this activity are to increase knowledge and skills in sanitary napkin waste management and food safety, as well as plant monitoring with IoT sensors through a website. Methods: This activity consists of training, including education, demonstrations, discussions, and question and answer sessions. The activity began with SAP preparation and a contract with the Cerme Lor Village. The implementation stage started with a pre-test questionnaire, education on sanitary napkin waste management and food safety. This was followed by simulations and demonstrations of sanitary napkin waste management and how to monitor plants with IoT sensors. At the end of the activity, participants were asked to fill out a post-test questionnaire. Results: The activity resulted in an increase in the knowledge and skills of PKK mothers in sanitary napkin waste management and how to monitor plants with IoT sensors. The overall category of participants' knowledge improved from poor to adequate and good. Conclusion: This activity is a first step towards improving the health of PKK mothers in Cerme Lor Village through independent sanitary napkin waste processing, enabling health cadres to intervene quickly to reduce plastic waste.
Co-Authors Ambarwati, Vita Ikhtisholiyah, Ikhtisholiyah Lilis Fatmawati Rusmanto, Didik Eko Widayanti, Ameliya Yaqin, Nur