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Japan’s first laser nuclear fusion company, EX-Fusion raises 130 million JPY in pre-seed round, paving way for the development of critical components needed for commercialization of nuclear fusion

Japan’s first laser nuclear fusion company, EX-Fusion raises 130 million JPY in pre-seed round, paving way for the development of critical components needed for commercialization of nuclear fusion

Funds will be used to develop technologies that enable continuous injection of target material and auto tracking and alignment of the laser systems to build a commercial fusion reactor

EX-Fusion Inc., the first startup in Japan aimed at commercializing laser based fusion energy, announced on March 31, 2022 that it has closed a pre-seed round funding of 130 million Japanese yen. The pre-seed round was led by ANRI, a Tokyo based venture capital firm, along with Osaka University Venture Capital (OUVC) and was the first company funded within ANRI’s latest ESG specific fund.

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The funding enables EX-Fusion to accelerate the development of the continuous target supply system (CTSS) and the laser target tracking system (LTTS), both fundamental systems for the commercialization of laser powered nuclear fusion reactors. By combining the two systems, EX-Fusion aims to demonstrate the feasibility of high frequency repetition laser plasma experiments using high power pulse lasers and to demonstrate the ability to continuously generate neutrons in sequential laser fusion reactions.

EX-Fusion was co-founded between Kazuki Matsuo, postdoctoral research fellow at University of California San Diego, Shinsuke Fujioka, professor at the Institute of Laser Engineering at Osaka University, and Yoshitaka Mori, associate professor at the Graduate School for the Creation of New Photonics Industries.

“We believe that nuclear fusion is the solution for meeting our global energy needs and helping the world reach carbon neutrality by 2050,” said Matsuo. “And by focusing our research and development around the fundamental technology related to commercial operation of laser-based nuclear fusion, we can achieve safe and affordable clean energy faster. This initial funding will kick start our efforts to build the two systems, continuous target supply system and laser target tracking system, which will prove that continuous target injection as well as laser targeting can be achieved at or above 10Hz.”

Masahiro Sameshima, Partner at ANRI, said,

“I have been encouraging researchers to establish their own ventures with the hope of creating a nuclear fusion venture that could become a new power source in Japan. I am thrilled to be supporting the launch of EX-Fusion from the beginning. Investment in fusion ventures is accelerating around the world toward the realization of fusion technology, and Japan is lagging far behind in terms of the amount of funds raised. However, we are not pessimistic about this, and are determined to help refine EX-Fusion’s original technology and prove that we can compete on the world stage. Furthermore, we hope to apply this laser technology to various fields such as processing of metal materials and semiconductor manufacturing.”

Yousuke Hirai, Investment Principle at OUVC, said,

“I am very excited to be investing into the EX-Fusion team whose goal is to provide the ultimate clean energy in the form of commercial nuclear fusion power. While we realize that laser based nuclear fusion is one of many forms of nuclear fusion, there have been rapid advancements in the field of laser fusion recently and thus is considered one of the most commercially viable methods amongst various nuclear fusion methods. By taking the learnings from the research conducted at Osaka University over the past 50 years, EX-Fusion will lead the advancement of laser nuclear fusion and pave the path to commercialization of the technology.”

EX-Fusion is collaborating with the Institute of Laser Engineering (ILE) at Osaka University, the Graduate School for the Creation of New Photonics Industries (GPI) as well as multiple private sector corporations in its development of these technologies. The joint development project with ILE involves the development of the CTSS, which will allow for material targets to be placed inside the fusion reaction chamber continuously, consistently and congruently against the high powered pulse laser system. The collaboration with GPI will be focused on developing the LTTS, which will allow for real-time alignment of multiple lasers such that it can direct the energy at maximum efficiency towards the reactor target.

Source: PRNewswire


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