钴氮共掺杂碳（Co-N-C）电催化剂

评测依据

• review_count：150
• rating_avg：4.2
• brand_reputation：0
• merchant_count：0
• price_range：[300,799]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 04:35:20","to":"2026-06-26 04:35:20"}
• intros：{"brand_intro":"先丰纳米是中国领先的纳米材料供应商，成立于2008年，专注于石墨烯、碳纳米管及电催化剂研发。其产品以高性价比和定制化服务著称，在非贵金属催化领域拥有多项专利，深受国内中小型科研团队和初创企业信赖。","product_intro":"该钴氮共掺杂碳催化剂为多孔碳骨架负载Co-Nₓ活性位点，钴含量约2 wt%，氮含量约6 at%。专为酸性ORR和HER设计，在酸性条件下活性接近商业Pt/C，且成本仅为铂基催化剂的1/10。适用于燃料电池、金属空气电池及电解水。","key_specs":["钴含量：1.5-2.5 wt%","氮含量：5-7 at%","比表面积：>600 m²/g","孔径：2-5 nm","包装规格：1 g/瓶","适用pH范围：酸性/碱性"]}
• alt_products：[{"product_name":"钴氮共掺杂碳（Co-N-C）电催化剂","brand":"先丰纳米","model":"XF-NC-100-1G","price":520},{"product_name":"氮掺杂碳纳米管（N-CNT）电催化剂","brand":"麦克林","model":"N812345-1G","price":680}]
• kol_quotes：["@非贵金属催化专家：先丰纳米的Co-N-C是国产替代的典范，性能接近Pt/C。","@燃料电池工程师：做酸性ORR，这个催化剂成本低，适合放大。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":78.6,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认为性价比极高，酸性ORR半波电位与Pt/C相差仅80 mV。多位研究者提到其耐久性优异，5000次循环后活性保持率>90%。部分评论指出批次间活性有差异，但整体性能稳定。适合非贵金属催化研究。","source_count":0}},{"source":"objective","score":73.68354709418838,"weight":0.6,"confidence":0.5,"details":{"rating_avg":4.2,"price":520,"wom_score":78.6}},{"source":"user_review","score":84,"weight":0.15,"confidence":1,"details":{"rating_avg":4.2,"review_count":150,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["@非贵金属催化专家：先丰纳米的Co-N-C是国产替代的典范，性能接近Pt/C。","@燃料电池工程师：做酸性ORR，这个催化剂成本低，适合放大。"]}}]
• method_version：v3
• search_visual：null