AFFORDABLE AND CLEAN ENERGY

For realization of a plasma thermonuclear reactor, impurity introduced into the core plasma from the wall material is a critical issue to maintain the plasma performance. Experiments have reported tha [...]

量子スピン系において臨界点を数値的に計算する手法は複数提案されているが、多重臨界点付近では精度が悪くなってしまう。本研究ではボンド交代XXZ鎖を扱う。異方性の極限で等価になる横地場イジングモデルに関して、有限系において成り立つ双対変換を導入し境界条件と励起状態の対称の関係性を確認した。それをボンド交代 XXZ 鎖に拡張し、ひねり境界条件を用いて相転移点を計算した。本研究の方法を用いボンド交代 XX [...]

Construction of Integrated Analysis Method for Reaction and Transport Characteristics of Reversible Solid Oxide Cells by Electrode Defect Chemistry

Department of Hydrogen Energy Systems, Graduate School of Engineering

Reversible solid oxide cells (r-SOCs), which can switch reversibly between power generation and electrolysis, are attracting attention as a long-term energy storage method that can mitigate fluctuatio [...]

This research aims to develop cost-effective metal-substrate-supported solid oxide fuel cells (MS-SOFCs) using a selective reduction method. A NiO–NiFe2O4 composite oxide substrate is co-sintered in a [...]

Polymer electrolyte fuel cells (PEFCs) are increasingly being applied in the transportation field, particularly in fuel cell vehicles, and are expected to be used in larger vehicles such as trucks and [...]

Hydrogen energy technology is a key driver in decarbonization, with applications for various industries. In the fields of power generation and hydrogen production, devices that use polymer-based elect [...]

The increasing atmospheric CO2 concentration due to the use of fossil fuels leads to vital global warming. Therefore, the development of low-cost and efficient technologies for CO2 reduction to produc [...]

Three-dimensional measurement of structures and fluctuations in magnetized plasma using tomography systems

Department of Interdisciplinary Engineering Science, Interdisciplinary Graduate School of Engineering Sciences

One of the problems with fusion power expected to be a next-generation energy source is the deterioration of plasma confinement due to turbulence. In plasma various structures fluctuations of disparat [...]

Transport Simulation Study for Impurity Control in Tokamak Plasmas

ひねり境界条件を使った多重臨界点付近の相転移線の計算手法

Construction of Integrated Analysis Method for Reaction and Transport Characteristics of Reversible Solid Oxide Cells by Electrode Defect Chemistry

Fabrication and improvement of metal support solid oxide fuel cell.

Study on Chemical Durability of Polymer Electrolyte Fuel Cells.

Development of highly gas-permeable blend ionomers for polymer electrolyte fuel cells and water electrolysis

A novel bio-hybrid photosynthesis system for CO2 reduction

Three-dimensional measurement of structures and fluctuations in magnetized plasma using tomography systems

“Future-Creation (MIRAI)” Course Kyushu University SPRING program