GX & Decarbonization Research

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This paper provides an overview of Japan's electricity market and discusses the future role of nuclear power. It examines market structure, regulatory environment, challenges and prospects for nuclear energy, clarifying its position in Japa…

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This report examines multifaceted approaches to realize a decarbonized society in Kumamoto City's water and sewage works, including renewable energy adoption, energy-saving measures, and operational efficiency improvements, outlining a sust…

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This paper discusses the challenges and considerations for promoting digital transformation (DX) and green transformation (GX) in the post-COVID-19 era. It explores synergies and trade-offs between the two transformations, offering implicat…

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This paper discusses the changing environment for electric power retail businesses and their strategic responses. It analyzes the impact of renewable energy expansion, market liberalization, and carbon neutrality trends on retail operations…

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This feature analyzes the current state of Japan's electricity market reform and discusses the need for further reform, including expanding renewable energy, promoting competition, and upgrading transmission networks. It offers policy recom…

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Portal page of the Non-Fossil Value Trading Market operated by JEPX (Japan Electric Power Exchange). Provides information on trading of non-fossil certificates.

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A collection of documents published by the Port and Harbor Bureau of MLIT on port decarbonization (carbon neutral port). It covers measures such as hydrogen and ammonia receiving terminals, CCS, and renewable energy introduction, indicating…

Takuya Nakashima, Cem Guzelbulut, Ryota Wada +1

This study proposes a quantitative system architecting framework for cross-industry simulation platforms for maritime decarbonization. Using OPM and DSM, it defines a connection coverage metric and shows that an architecture-based strategy …

Κ. Fujita, Shunsuke Shimizu, Shiho Mukaida +3

This perspective discusses the application of materials informatics (MI) to carbon materials design for energy and sustainability technologies. AI-assisted literature mapping, regression analysis, ML-based structural modeling, image-based c…

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This keynote speech outlines Honda's R&D efforts on carbon-neutral fuels, positioning them within the company's decarbonization strategy. It discusses technological pathways such as synthetic fuels and hydrogen carriers, along with a roadma…

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This paper outlines Japan's railway technology strategy for decarbonization, including electrification, hydrogen fuel cell trains, and energy-efficient operations. It provides a roadmap and policy implications for low-carbon railways.

Masamichi Ohba, Shogo Sakamoto, Hiroaki Kawase +2

This study uses Japan's large ensemble climate dataset (d4PDF) and machine learning to evaluate the impact of climate change on periods of low combined solar and wind output (Dunkelflaute) and system-level residual load. Projections show in…

Tekehiro Hatakeyama, Fumihiko Miyazaki, Ayami Otsuka +2

This paper examines the role of citizen participation and communication in regional decarbonization in Japan. Through a case study, it demonstrates the importance of citizen engagement for effective decarbonization strategies at the regiona…

Takashi Ishijima

This foreword introduces a special issue on the latest trends in marine equipment for alternative fuels and carbon neutrality. It outlines technological advancements and challenges in the decarbonization of the maritime industry, presenting…

Munsuree Kalong, Noriaki Sano, Tetsuo Suzuki +2

This paper investigates the mechanochemical preparation of activated carbon-carbon nanotube composite electrodes for Zn-air batteries. The composite electrode aims to improve battery performance, contributing to energy storage technologies …

Okiliddin Isamutdinovich Alimov, Worldly Knowledge Publishing Centre

This paper provides a comprehensive analysis of Japan's GX policy, revealing a multi-layered approach combining renewables, nuclear, hydrogen/ammonia, and CCUS. It highlights strong policy commitments but also structural challenges such as …

Tetsuro Kobayashi, Hiroki Tanikawa, Eiji Yamasue

This study assesses CO2 emissions and resource consumption (using TMR) in lithium-ion battery manufacturing and recycling. For NMC532 and LFP cells, manufacturing generates 1396 and 931 kg TMR/kWh-cell; direct recycling of cathode and coppe…

Ippei Maruyama, Masaro KOJIMA, Goro Sakai +2

This paper reviews government-supported R&D trends toward carbon neutrality and a circular economy in Japan's cement and concrete industries. It incorporates historical context from the 1970s oil crisis, emphasizing resource and energy effi…

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This paper presents the development of a system that integrates district renewal and energy planning to support the formation of low-carbon cities. It describes the system design, implementation, and validation.

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This paper conducts life cycle analysis of marine fuels for GHG reduction in international shipping, examining responses to future fuel regulations. It evaluates alternative fuels like hydrogen and ammonia in terms of environmental impact a…