Chain Bottleneck Investing

Chain Bottleneck Investing

Serenity: Identify bottlenecks & winners

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FromYouMind
拆链找卡点:可控核聚变

1. 趋势本质

可控核聚变的本质需求是用近乎无限的零碳能源替代化石燃料——每升海水提取的氘聚变释放能量相当于300升汽油,且无熔毁风险、无长寿命放射性废料。放量逻辑在于:2025年全球聚变投资突破100亿美元,中国聚变公司(注册资本150亿元)正式挂牌,CFS 的 SPARC 装置完成度60%并签下 Google 200MW 购电协议,赛道已从“永远差50年”切换至“2030年代首座商业堆并网”的工程化阶段。硬约束不在“能不能点着火”,而在两点:① 高温超导带材的全球有效产能仅能满足不足10%的在建装置需求;② 氚燃料全球民用储量仅约25kg,单座1GW 商业堆年耗55kg——燃料闭环未打通之前,所有装置都是“有发动机没汽油”。

2. 产业链拆解

层级环节细分关键壁垒
上游材料超导材料低温超导(NbTi/Nb₃Sn)、高温超导(REBCO 带材)REBCO 带材千米级均匀性、临界电流密度
面向等离子体材料第一壁(钨基合金、铍)、偏滤器(全钨复合)耐受亿度等离子体+强中子辐照
氚增殖材料锂-6同位素、增殖剂(Li₂TiO₃、Li₄SiO₄等)锂-6富集技术、增殖剂产氚效率
结构材料低活化钢(RAFM)、核级焊材、真空材料中子活化低、高温强度保持
中游设备超导磁体系统纵场线圈、极向场线圈、中心螺线管价值占比~30%,强场+大口径绕制
第一壁/偏滤器模块化制造、全钨复合焊接单件精度、热负荷承受能力
真空室/杜瓦超高真空腔体、低温恒温器大型精密焊接、泄漏率控制
加热系统NBI 中性束、微波加热(回旋管)国光电气市占率~70%
电源系统稳态/脉冲磁体电源、快控开关、脉冲电容英杰电气覆盖全链条,毛利率40%+
下游集成整机总装托卡马克装置整体集成上海电气全球唯一覆盖磁体-真空室-杜瓦全链
电站运营聚变电厂建设与运维中国聚变公司、中核集团主导
科研装置EAST、BEST、CFETR、ITER中科院等离子体所、核工业西南物理研究院

3. 各环节卡点评分

四维权重说明:可控核聚变尚未进入量产复制阶段,当前核心矛盾不是“谁垄断已有产能”(供给集中度),而是“哪个环节在趋势放量时物理上无法被替代、短期无法扩出来”(物理壁垒 + 扩产周期)。因此物理/工艺壁垒扩产周期的权重最高(各30%),其次为需求刚性(25%),议价权(15%)在当前阶段更多反映长期潜力。

| 环节 | 物理/工艺壁垒 | 供给集中度 | 需求刚性 | 议价权 | 综合判断 |

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Why we love this skill

This skill accurately identifies bottlenecks in industry trends that are overlooked by the market, rather than blindly chasing hot leaders, providing a unique perspective for excess returns.

Input any industry trend, and this skill automatically deconstructs the supply chain, identifies irreplaceable physical bottlenecks, and outputs truly beneficiary targets along with contrarian checks. The core is to find physical barriers that are unavoidable as the trend scales, rather than blindly chasing market leaders.

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