Study on Introduction of CO2 Free Energy to Japan with Liquid Hydrogen

Kamiya, Shoji; Nishimura, Masafumi; Harada, Eiichi

doi:10.1016/j.phpro.2015.06.004

Cited by 118 publications

(45 citation statements)

References 3 publications

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“…One notable potential pathway is being pioneered by Kawasaki Heavy Industries (KHI), known as the ‘Introduction of CO 2 Free Energy to Japan with Liquid Hydrogen’ . Under this plan, low‐cost Victorian brown coal will be gasified to produce hydrogen, with the resultant CO 2 to be stored in geological reservoirs using carbon capture and sequestration (CCS).…”

Section: Background: Hydrogen Production and Import Pathwaysmentioning

confidence: 99%

“…This pathway's cost evaluation feasibility study outlines the cost of each step, including the purchase of brown coal, hydrogen production, liquefaction, loading, and carrier infrastructure for transportation to Japan, leading to a final power generation cost of 16 yen/kWh. This price is more expensive than traditional fossil fuels in Japan (nuclear, LNG and coal) but cheaper than wind and solar feed‐in tariff costs or coal with CCS . The CO 2 resultant from the KHI project is sequestered in Australia, close to the hydrogen production facilities.…”

Section: Background: Hydrogen Production and Import Pathwaysmentioning

confidence: 99%

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Hydrogen import pathway comparison framework incorporating cost and social preference: Case studies from Australia to Japan

2017

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Summary Recent proposals to produce and import hydrogen from Australia to Japan for electricity generation raise questions about how to compare the costs and feasibilities of different hydrogen import pathways. This paper establishes a framework for the comparison of technological, economic, and social costs and feasibility. The framework is then applied to 3 potential production and import case studies. First, a benchmark case study is considered which uses Australian brown coal from the Latrobe Valley combined with carbon capture and sequestration (CCS) technology. The second and third comparative case studies use renewable energy and electrolysis near port facilities in Karratha, Western Australia, using solar power exclusively as the renewable energy source, and Gladstone, Queensland, using a combination of onshore wind and solar‐based generation. The study finds that comparative pilot project generation costs for the brown coal pathway are between approximately 5.9 and 15.4 yen/kWh cheaper than for solar and/or wind‐based pathways. However, limitations of scaling up CCS, a limited brown coal supply, long‐term reducing costs of renewables, and the prospect to develop complementary renewable infrastructure make a strong counterargument for investment in solar and wind pathways as an alternative to brown coal and CCS.

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Section: Background: Hydrogen Production and Import Pathwaysmentioning

confidence: 99%

Section: Background: Hydrogen Production and Import Pathwaysmentioning

confidence: 99%

Hydrogen import pathway comparison framework incorporating cost and social preference: Case studies from Australia to Japan

2017

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“…The Japanese government is supporting technical developments to develop a hydrogen energy society as part of its strategy for the Tokyo Olympic Games to be held in 2020 (Watanabe, 2014, Kamiya, 2015. The main targets are the spread of residential fuel cells and fuel cell powered vehicles, but the construction of a hydrogen supply chain is also being considered.…”

Section: Introductionmentioning

confidence: 99%

Energy efficiency of a hydrogen supply system using the reaction cycle of methylcyclohexane-toluene-hydrogen

Obara

2018

Mechanical Engineering Journal

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In this research, we investigated an energy supply system based on hydrogen derived from renewable energy. We modeled the energy flow and efficiency of a system using the MCH-toluene-hydrogen reaction cycle (MTHR) by methylcyclohexane (MCH, C 6 H 11 CH 3 ) and toluene (C 6 H 5 CH 3 ). Electric power storage by the MTHR and energy transport by a hydrogen infrastructure were investigated using numerical analysis. The energy flow of the whole system was investigated by cooperation of the numerical model of each component. The rate of input and output based on the calorific value of hydrogen defines the efficiency of each component and the system. When the electric power output of the renewable energy source was set to 100%, the maximum energy efficiency based on the calorific value of the hydrogen supplied from the hydrogenation facilities was 53.6%. Conversely, the electric power and thermal efficiency based on the rating of the dehydrogenation facilities were 29.9% and 6.8%, respectively. The maximum total power generation efficiency of the MCH-toluene-hydrogen reaction cycle was 16.0%; however, when thermal power was taken into account this rose to 16.7%. A case study was also conducted using a 1 MW wind farm combined with MTHR for Hokkaido in Japan.

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“…[1] will demonstrate marine transportation of large quantity of liquid hydrogen (LH2: 20 K) which is made from brown coal as unutilized energy using two 1250 m 3 tanks, from Australia to Kobe, Japan until 2020 [2].…”

Section: Introductionmentioning

confidence: 99%

“…In the case of LH2, the amount of LH2 evaporation is 10 times higher than that of liquified natural gas (LNG: 112 K) because the amount of boil-off gas (BOG) increases as heat is exchanged with the inner wall of the pressurized type LH2 tank when sloshing occurs inside the tank [2]. However, the LH2 sloshing and boil-off characteristics on the sea have not yet been clarified.…”

Section: Introductionmentioning

confidence: 99%

First experiment on liquid hydrogen transportation by ship inside Osaka bay

Maekawa

Takeda

Hamaura

et al. 2017

IOP Conf. Ser.: Mater. Sci. Eng.

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Abstract.A project to import a large amount of liquid hydrogen (LH2) from Australia by a cargo carrier, which is equipped with two 1250 m 3 tanks, is underway in Japan. It is important to understand sloshing and boil-off characteristics inside the LH2 tank during marine transportation. However, the LH2 sloshing and boil-off characteristics on the sea have not yet been clarified. First experiment on the LH2 transportation of 20 liter with magnesium diboride (MgB2) level sensors by the training ship "Fukae-maru", which has 50 m long and 449 ton gross weight, was carried out successfully inside Osaka bay on February 2, 2017. In the experiment, synchronous measurements of liquid level, temperature, pressure, ship motions, and accelerations as well as the rapid depressurization test were done. The increase rate of the temperature and the pressure inside the LH2 tank were discussed under the rolling and the pitching conditions.

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Study on Introduction of CO2 Free Energy to Japan with Liquid Hydrogen

Cited by 118 publications

References 3 publications

Hydrogen import pathway comparison framework incorporating cost and social preference: Case studies from Australia to Japan

Hydrogen import pathway comparison framework incorporating cost and social preference: Case studies from Australia to Japan

Energy efficiency of a hydrogen supply system using the reaction cycle of methylcyclohexane-toluene-hydrogen

First experiment on liquid hydrogen transportation by ship inside Osaka bay

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