Zobrazeno 1 - 10
of 54
pro vyhledávání: '"Nirwan Syarif"'
Autor:
Dedi Rohendi, Icha Amelia, Nyimas Febrika Sya'baniah, Dwi Hawa Yulianti, Nirwan Syarif, Addy Rachmat, Fatmawati, Edy Herianto Majlan
Publikováno v:
Science and Technology Indonesia, Vol 9, Iss 3, Pp 556-564 (2024)
The climate change caused by the widespread and continuous use of fossil fuels is a problem that needs to be addressed urgently. One of the solutions offered is through an energy transition towards the use of new or renewable and low-carbon fuels. Hy
Externí odkaz:
https://doaj.org/article/9eb2a21bc83a461ca8ca94088ee42522
Autor:
Dedi Rohendi, Nyimas Febrika Sya’baniah, Edy Herianto Majlan, Nirwan Syarif, Addy Rachmat, Dwi Hawa Yulianti, Icha Amelia, Dimas Ardiyanta, Isya Mahendra, Rr. Whiny Hardiyati Erliana
Publikováno v:
Science and Technology Indonesia, Vol 8, Iss 4, Pp 632-639 (2023)
The electrochemical conversion process of CO2 into methanol using Membrane Electrode Assembly (MEA) has been done. The MEA consists of a Pt/C catalyst in the cathode and a Cu2O ZnO/C catalyst in the anode. The electrodes were made using the spraying
Externí odkaz:
https://doaj.org/article/536f75c8461d44f381e4d8d850018812
Publikováno v:
Al-Ishlah: Jurnal Pendidikan, Vol 14, Iss 4, Pp 5723-5732 (2022)
This paper reports the results of the development of science lab work teaching materials that focus on the development of renewable energy, especially energy storage devices. The energy storage device discussed was the supercapacitor, including the t
Externí odkaz:
https://doaj.org/article/47284c543dd34c498def4cbad8416c7c
Autor:
Mardiyanto, Budi Untari, Ady Mara, Sadakata Sinulingga, Nirwan Syarif, Gustina Emilia Ningsih
Publikováno v:
Science and Technology Indonesia, Vol 7, Iss 3, Pp 320-326 (2022)
The pandemic period has caused antibiotics highly recommended to cure infections. The use of macrolide antibiotics has greatly increased recently due to outbreaks of diseases that attack the human respiratory tract all of part of the world. One membe
Externí odkaz:
https://doaj.org/article/c048961e6666458db32d5231ed6370c5
Publikováno v:
AIMS Energy, Vol 10, Iss 2, Pp 292-305 (2022)
The gas diffusion layer (GDL) in the fuel cell has been made from carbon dispersion electrochemically deposited from binchotan. We prepared GDL by spraying the ink on the surface of the conductive paper. The carbon was then characterized by its cryst
Externí odkaz:
https://doaj.org/article/7ceb4c4c8a1147f8934746670384cff4
Autor:
Nirwan Syarif, Dedi Rohendi, Haryati Sri, Chew Tin Lee, Wai Yin Wong, Wulandhari Sudarsono, Afriyanti Sumboja
Publikováno v:
Chemical Engineering Transactions, Vol 83 (2021)
Most electrodes for supercapacitors are prepared as thick layer electrodes. Compact, thick and free-standing electrodes are needed for supercapacitor with high volumetric capacitance and energy density. Carbon nanosheets were obtained from treating t
Externí odkaz:
https://doaj.org/article/79505636516046df88b95be15f84d3f0
Publikováno v:
Chemical Engineering Transactions, Vol 83 (2021)
Disposal of conventional polymer-based electrodes and capacitor can cause pollutions or incur high cost. More carbon based nanosheet electrode is more environmental friendly. Novel supercapacitors were fabricated using carbon nanosheet electrode. Two
Externí odkaz:
https://doaj.org/article/d699846d996c4507a22ad260011a3656
Autor:
Nirwan Syarif, Miswar Prasagi
Publikováno v:
Carbon: Science and Technology, Vol 8, Iss 4, Pp 35-42 (2016)
We develop new approach to produce carbon nanostructures, by using biomass as precursor, hydrothermal pretreatment and microwave pyrolysis as preparative methods. The crystallography and surface functionalities of carbon sheets were analyzed based on
Externí odkaz:
https://doaj.org/article/4e5fd50aa33c4976ab048d85b117fb71
Autor:
Nirwan Syarif, Ahmad Maqom Mahmuda, Sri Haryati, Eka Yunita, Wulandhari Sudarsono, Chew Tin Lee
Publikováno v:
Chemical Engineering Transactions, Vol 63 (2018)
A conductive carbon material from Water Lettuce (Pistia S.) powder has been prepared for use in Electrochemical Capacitor (EC) device. The features on surface functionality, morphology, and crystallography were analysed based on Boehm titration / FTI
Externí odkaz:
https://doaj.org/article/d3aaa413838f401cb67e1177cce0cfb7
Publikováno v:
Journal of Electrochemical Science and Engineering, Vol 3, Iss 2, Pp 37-45 (2013)
This work focused on the relation between the porous structure of activated carbon and its capacitive properties. Three types of activated carbon monoliths were used as the electrodes in a half cell electrochemical system. One monolith was produced f
Externí odkaz:
https://doaj.org/article/bdc4996c53bb4b99a655f61711523640