Concepedia

Keiichi Okajima

KO

22

Publications

779

Citations

17

H-Index

1999

Active since

Affiliations

University of Tsukuba(Current)

Shizuoka University

National Institute of Advanced Industrial Science and Technology

Tsukuba University of Technology

Keiichi Okajima is an author at University of Tsukuba specializing in engineering, electrical engineering, and chemical engineering.

Top concepts

EngineeringElectrical EngineeringChemical EngineeringSolar PowerPhotovoltaicsEnergy StorageMaterial ScienceEnergy ManagementSustainable EnergyElectrochemistry

Publications per year

1999–2022

22

Publications

22

Capacitance behavior of activated carbon fibers with oxygen-plasma treatment

Keiichi Okajima, Keigo Ohta, Masao Sudoh · Electrochimica Acta · 2004 · 198 citations

Activated Carbon Fibers, Activated Carbon

High rate performance of highly dispersed C60 on activated carbon capacitor

Keiichi Okajima, Atsushi Ikeda, Kazunori Kamoshita et al. · Electrochimica Acta · 2005 · 59 citations

Electrical Engineering, Activated Carbon Capacitor, High Rate Performance +1

Structural control and impedance analysis of cathode for direct methanol fuel cell

Kazuyoshi Furukawa, Keiichi Okajima, Masao Sudoh · Journal of Power Sources · 2004 · 57 citations

Chemical Engineering, Engineering, Methanol +2

Temperature and irradiance dependences of the current and voltage at maximum power of crystalline silicon PV devices

Manit Seapan, Yoshihiro Hishikawa, Masahiro Yoshita et al. · Solar Energy · 2020 · 49 citations

Electrical Engineering, Maximum Power, Engineering +8

PV System With Reconnection to Improve Output Under Nonuniform Illumination

Hideaki Obane, Keiichi Okajima, Takashi Oozeki et al. · IEEE Journal of Photovoltaics · 2012 · 46 citations · Full text

Engineering, Energy Efficiency, Energy Conversion +16

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