Zobrazeno 1 - 10
of 145
pro vyhledávání: '"Hendri Widiyandari"'
Autor:
Agus Purwanto, Marcus Diantoro, Agus Subagio, Worawat Meevasana, Enni Apriliyani, Cornelius Satria Yudha, Hendri Widiyandari
Publikováno v:
Results in Engineering, Vol 22, Iss , Pp 102156- (2024)
Lithium-Ion Capacitors (LICs) show promise as electrochemical energy storage devices (EESDs) that combine a supercapacitor-type cathode and a Lithium Ion-type anode with an organic electrolyte containing lithium salts. In this study, porous carbon (L
Externí odkaz:
https://doaj.org/article/e0e591a795544c1f969232e7d04101a8
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 18, Iss 4, Pp 593-603 (2023)
Photocatalysis is one of the environmentally friendly methods for degrading down wastewater contamination. TiO2 as one of the photocatalyst material is claimed can enhance the photocatalytic activity much better, if the band gap energy is reduced. In
Externí odkaz:
https://doaj.org/article/0c7364e7dbca4bb4b220f3088cf48bf0
Autor:
Hendri Widiyandari, Elanda Devi Pratama, Hanaiyah Parasdila, Risa Suryana, Osi Arutanti, Yayuk Astuti
Publikováno v:
Results in Materials, Vol 20, Iss , Pp 100491- (2023)
Implementing nanosized materials (1–100 nm) are considered to be effective approaches in addressing the issue of liquid waste pollution. Herein, ZnO-carbon quantum dots (ZnO-Cdots) were conducted by three-steps hydrothermal synthesis and the struct
Externí odkaz:
https://doaj.org/article/be4cb6f317ff4a248c335c2641fe29d6
Autor:
Putri Lestari, Rhiska Aria Berliani, Erlangga Aria Pratama, Ridwan Assabila Al-Jannata, Desy Vita Pratiwi, Hendri Widiyandari
Publikováno v:
Jurnal Kimia Sains dan Aplikasi, Vol 26, Iss 3, Pp 79-84 (2023)
Zircon is a rare metal natural mineral composed of zirconia and silica. The silica content in zircon can be used as anode material for lithium-ion batteries because of the low cost and high theoretical capacity. Silica is obtained from the extraction
Externí odkaz:
https://doaj.org/article/13328983b31243b58e4566d390c42b11
Publikováno v:
Jurnal Kimia Sains dan Aplikasi, Vol 25, Iss 7, Pp 245-252 (2022)
Lithium-ion batteries using zinc oxide (ZnO) as anode material had a high theoretical capacity of about 987 mAh/g. Unfortunately, ZnO capacity can drop below 200 mAh/g after only a few cycles. For that reason, graphite was added in this study due to
Externí odkaz:
https://doaj.org/article/eb88c160804b4b04ade345eb2c0a7927
Autor:
Hendri Widiyandari, Orien Prilita, Muhammad Shalahuddin Al Ja'farawy, Fahru Nurosyid, Osi Arutanti, Yayuk Astuti, Nandang Mufti
Publikováno v:
Results in Engineering, Vol 17, Iss , Pp 100814- (2023)
This research highlights the three-step hydrothermal synthesis of N-CQD and its effect on the physical properties and photocatalytic activity of ZnO/N-CQD compared to ZnO commercial and the prepared ZnO nanoflower. The physical and optical properties
Externí odkaz:
https://doaj.org/article/82a8ee7ee1c9422c90ac69e43ca08609
Publikováno v:
Journal of Physics: Theories and Applications, Vol 5, Iss 2, Pp 104-111 (2021)
Electrochemical energy storage technologies such as rechargeable batteries show considerable progress due to their high efficiency, flexible power, long life cycle, and low maintenance. Graphite is a common anode material used in lithium-ion batterie
Externí odkaz:
https://doaj.org/article/679f79a90be34b918f2face59608f500
Autor:
Agus Purwanto, Shofirul Sholikhatun Nisa, Ike Puji Lestari, Muhammad Nur Ikhsanudin, Cornelius Satria Yudha, Hendri Widiyandari
Publikováno v:
KONA Powder and Particle Journal, Vol 39, Iss 0, Pp 130-149 (2021)
Li-ion batteries with “nickel” as the main material or the highest ratio material on the cathode or anode electrode have attracted considerable attention. Nickel has high strength and corrosion resistance. Nickel has also been utilized successful
Externí odkaz:
https://doaj.org/article/9931f3fae05241f4a335ad27a7f4950e
Autor:
Tika Paramitha, Endah Retno Dyartanti, Hendri Widiyandari, Arif Jumari, Adrian Nur, Inayati Inayati, Anatta Wahyu Budiman, Agus Purwanto
Publikováno v:
Equilibrium, Vol 5, Iss 1, Pp 15-22 (2021)
With the increasing development of the battery and electric vehicle industry, student's and teacher's understanding of lithium batteries and skills in assembling electric bikes are very important in competing for jobs in these fields. Educational act
Externí odkaz:
https://doaj.org/article/76940d2c6ad348f2a1e30fb16a8aa525
Autor:
Endah Retno Dyartanti, Tika Paramitha, Hendri Widiyandari, Arif Jumari, Adrian Nur, Anatta Wahyu Budiman, Agus Purwanto
Publikováno v:
Equilibrium, Vol 4, Iss 2, Pp 43-48 (2021)
Abstrak. Kendaraan listrik merupakan kendaraan yang digerakkan dengan motor listrik dan mendapat sumber daya listrik yang tersimpan dalam baterai. Keuntungan penggunaan kendaraan listrik dibandingkan dengan kendaraan konvesional antara lain, efisiens
Externí odkaz:
https://doaj.org/article/ed42c8e54f1441129b54edb101a46cc2