New Strategy for Trifluoromethyl Incorporation in Chemical Synthesis

In the electrochemical synthesis of high-value chemicals, the efficient incorporation of trifluoromethyl (CF3) groups is crucial, especially for pharmaceuticals and agricultural chemicals. However, traditional electrolytic methods are often affected by competitive electron transfer between electrodes, limiting their applications.
Highlight introduction:
The research team from Zhejiang University has adopted an innovative ion-shielding heterogeneous photoelectrocatalytic strategy. Using trifluoroacetic acid as an economical and effective trifluoromethyl source, they reverse the thermodynamically determined electron transfer sequence by controlling mass transfer.
Research results:
This method achieves a specific capacity as high as 423.4 mAh/g at a current density of 1.0 mAh/g. After 1000 cycles at a high current density of 10 mAh/g, it retains 96% of the capacity. In addition, PA-TAPA-Cu-MOF still maintains a capacity of 987 mAh/g after 600 cycles at -40°C.
Summary:
Through the new ion-shielding heterogeneous photoelectrocatalytic strategy, this research not only improves the efficiency and scalability of trifluoromethylation reactions but also shows the possibility of obtaining high specific capacity and excellent cycle stability at low current densities. In addition, a high-throughput algorithm for calculating phonon surface states has been developed, and the ability to understand the electronic structure of phonon materials has been enhanced through topological classification.




Keywords:
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