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A secondary, coplanar design Ni/MCM-41/Zn microbattery

Meskon, Shahrul Razi and Othman, Raihan and Ani, Mohd Hanafi (2018) A secondary, coplanar design Ni/MCM-41/Zn microbattery. In: International Conference on Advances in Manufacturing and Materials Engineering 2017, ICAMME 2017, 8 - 9 August 2017, International Islamic University Malaysia (IIUM), Gombak Campus, Kuala Lumpur.

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A secondary Ni/Zn microbattery (200 µm thick) has been developed in a coplanar electrode configuration. The cell is essentially of a circular shape (30 mm in diameter) consisting of a fine circular ring (cathode) and a circle (anode) split apart (~800 µm). Unlike the stacking cell architecture, coplanar configuration offers simple design, ease of fabrication and eventually cost saving. The use of MCM-41 mesoporous silica as the membrane separator cum electrolyte reservoir enables the successful implementation of coplanar configuration. The fabrication of Ni/Zn microbattery first begins with electrodeposition of zinc (Zn) and nickel hydroxide (Ni(OH)2) thin films onto patterned FR4 printed circuit board, followed by deposition of zinc oxide (ZnO) slurry onto the zinc active layer, and finally ends by multiple drop-coating procedures of MCM-41 from its precursor solution at ambient temperature. Once a potassium hydroxide (6 M KOH)/MCM-41 electrolyte-separator mixture is incorporated, the cell is sealed with an acrylic sheet and epoxy adhesive. The fabricated microbatteries were capable to sustain around 130 deep charge-discharge cycles. When rated at 0.1 mA, the energy density of the microbattery was around 3.82 Wh l-1 which is suitable for low rate applications and storage for micro energy harvesters such as piezoelectric generators.

Item Type: Conference or Workshop Item (Plenary Papers)
Additional Information: 2593/65011
Uncontrolled Keywords: Coplanar design; Ni/MCM-41/Zn; Microbattery
Subjects: T Technology > TJ Mechanical engineering and machinery
T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7800 Electronics. Computer engineering. Computer hardware. Photoelectronic devices
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering
Kulliyyah of Engineering > Department of Manufacturing and Materials Engineering
Depositing User: Dr Mohd Hanafi Ani
Date Deposited: 23 Jul 2018 09:17
Last Modified: 08 Aug 2019 12:17
URI: http://irep.iium.edu.my/id/eprint/65011

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