Syakbaniah Syakbaniah, Syakbaniah
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Pengembangan Perangkat Pembelajaran Fisika SMA Materi Suhu dan Kalor Terintegrasi Thermoregulasi pada Manusia Berbasis Problem Based learning

EDUSAINS Vol 4, No 2 (2015): Edu-sains
Publisher : EDUSAINS

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Abstract

The content and standard process of 2013 curriculum demands the learning process to be more scientific and integration. The purpose of this research is to develop and produce physics learning tools in Senior High School on Temperature Subject and Integrated Thermoregulasi Heat on Human which is using Problem Based Learning Model with valid, practical and effective criteria.This research type is research and development. The development model that is being used is MCKenny’s model which consists of Preliminary Stage, Prototype Stage and Assessment Stage. This research produces physics learning tools in Senior High School on Temperature Subject and integrated Thermoregulasi Heat on human which is using Problem Based Learning Model with valid, practical and effective criteria.

APPLICATION OF SULFONATED POLYSTYRENE IN POLYMER ELECTROLYTE FUEL CELL

Jurnal Sains Materi Indonesia Vol 20, No 1: OKTOBER 2018
Publisher : Center for Science & Technology of Advanced Material - National Nuclear Energy Agency

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Abstract

APPLICATION OF SULFONATED POLYSTYRENE IN POLYMER ELECTROLYTE FUEL CELL. Sulfonated polystyrene (SPS) is polyelectrolyte solid that widely used in many aplications. In this works SPS is applied for some parts of polymer electrolyte fuel cell membrane due sulfonate group available in the structure. The investigation involve the application for membrane with addition of small molecules, i.e. benzimidazole and evaluating its microstructure and performance. Application of SPS solution as binding agent in MEA will also be presented.  The results show that when using SPS as fuel cell membrane, the additon of small molecules such as benzimidazole would modify its microstrusture as well as improve its ion conductivity. Meanwhile, some improvement still required for application of SPS solution as binding agent for preparation of Membrane Electrode Assembly or MEA.