聚变能初创企业Inertia Enterprises宣布在燃料球制造工艺上取得重大突破，成功将制造时间从数天或数周缩短至2-3小时1。该公司采用基于美国国家点火装置（NIF）开发的技术，通过部署功率是NIF现有激光四倍的更强大激光器和采取工业化制造方法，克服了商业化聚变电厂面临的关键障碍之一1。在这一流程中，晶体生长环节耗时约30分钟1。
这项技术进展的意义在于显著降低了聚变发电对放射性氚的依赖1。全球氚储备总量仅约25公斤，当前成本高达每克30,000美元1。根据预估，全规模商业聚变电厂预期每秒需要消耗10个燃料球1。制造时间的缩短将直接提高生产效率并降低成本。Inertia Enterprises已获得投资者4.5亿美元的资金支持1。
Inertia Enterprises has achieved a significant breakthrough in fusion fuel manufacturing by reducing the time required to produce fuel pellets from several days or weeks down to 2-3 hours 1. The startup leveraged technology developed through the U.S. National Ignition Facility (NIF), employing more powerful lasers and industrial-scale manufacturing techniques to overcome one of the ten critical obstacles facing commercial fusion power plants 1.
The compression of the production timeline addresses a fundamental constraint in fusion energy deployment. Crystal growth, a key component of pellet fabrication, now takes approximately 30 minutes 1. This acceleration helps reduce demand for tritium, a radioactive fuel with global reserves of roughly 25 kilograms and a current cost of approximately $30,000 per gram 1. A full-scale commercial fusion plant is projected to consume 10 fuel pellets per second 1.
Inertia's facility will utilize laser technology with four times the power of NIF's existing systems 1. The company has secured $450 million in investor funding to support its development efforts 1. CEO Jeff Lawson emphasized the company's commitment to recruiting top talent, stating, "That's why we're hiring people from the likes of Apple" 1. The breakthrough builds on work in fusion ignition, with NIF Chief Scientist Annie Kritcher having designed the facility's first fusion experiment to demonstrate energy output exceeding energy input 1.
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