Preparation and Application of One-dimensional HfC,ZrC,and TaC
HfC,ZrC and TaC exhibit excellent properties such as ultra-high melting point,good high temperature resistance,oxidation resistance,chemical corrosion resistance and high mechanical strength.One-dimensional HfC,ZrC and TaC not only enjoy excellent performance of their bulk materials but also have good mechanical properties of one-dimensional materials.Therefore,they have attracted extensive attention as toughening materials,high temperature protection materials,electronic materials,electrochemical catalytic materials and hydrogen storage material.Preparation methods of one-dimensional HfC,ZrC and TaC by chemical vapor deposition(CVD)methods,organic precursor transformation method and molten salt method are reviewed.Research progress of one-dimensional HfC,ZrC and TaC used as toughening and strengthening material,electrode material and electrocatalytic material is reviewed.Existing problems of one-dimensional HfC,ZrC and TaC are discussed,such as high cost and low utilization rate of raw material and complex preparation process.Development trend of the future research direction of one-dimensional HfC,ZrC and TaC is proposed.
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