In the field of lithium batteries, ethyl silicone oil as an electrolyte additive can inhibit lithium dendrite growth and extend battery cycle life. Experiments have shown that adding 1% ethyl silicone oil to the electrolyte can increase the capacity retention rate of lithium-ion batteries from 85% to 92% after 500 cycles at 1C rate. In addition, its high boiling point (>250 ℃) characteristic can prevent electrolyte evaporation during battery thermal runaway, improving safety.


The photovoltaic industry utilizes the hydrophobicity of ethyl silicone oil to develop self-cleaning coatings. After compounding ethyl silicone oil with nano titanium dioxide and spraying it on the surface of photovoltaic glass, the contact angle reached 160 °, the dust adhesion was reduced by 80%, and the power generation efficiency was improved by 5%. After a certain photovoltaic enterprise applied this technology, the annual maintenance cost was reduced by 3 million yuan, and the investment payback period was shortened to 2 years.
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