Hydrogen fuel cell cooling liquid with high heat transfer coefficient and preparation method thereof

• Main Authors: FU WEI, JIN HONGZHEN, HUANG BING, LIU WANQING, WANG XIAODONG, HE YUAN, HU YEGEN
• Format: Patent
• Language: Chinese; English
• Published: 25.04.2023
• Subjects: ADHESIVES; BASIC ELECTRIC ELEMENTS; CHEMISTRY; DYES; ELECTRICITY; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; POLISHES; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The invention belongs to the technical field of fuel cell temperature control, and discloses a hydrogen fuel cell cooling liquid with a high heat transfer coefficient and a preparation method thereof, the cooling liquid comprises the following components by weight: 45-55 parts of ethylene glycol, 45-55 parts of deionized water, 0.2-1 part of a nano boron nitride dispersion liquid, 0.6-1.8 parts of a corrosion and scale inhibitor, 0.2-0.6 part of an ion inhibitor, and 0.001-0.1 part of an antifoaming agent. The dispersing agent is 0.005 to 0.01 part, the coloring agent is 0.005 to 0.01 part, and the buffering agent is 0.005 to 0.01 part. The cooling liquid disclosed by the invention has the advantages of low conductivity, high heat transfer coefficient, excellent low conductivity retentivity and the like, so that the cooling liquid has good application and popularization prospects. 本发明属于燃料电池温控技术领域，公开了一种高传热系数氢燃料电池冷却液及其制备方法，该冷却液的各组分按重量份数的构成为：乙二醇45-55份，去离子水45-55份，纳米氮化硼分散液0.2-1份，缓蚀阻垢剂0.6-1.8份，离子抑制剂0.2-0.6份，消泡剂0.00