Creating piezoelectric ceramics
Print Edition
Liang Ruihong has been devoted to research on piezoelectric ceramics over the past 24 years.
Piezoelectric ceramics can generate electric charge against mechanical deformation and vice versa.
“It’s natural for me to be engaged in scientific research, which means lifelong exploration,” said Liang. “I studied inorganic non-metallic materials in college. Shanghai Institute of Ceramics of CAS is a leading inorganic non-metallic materials research institute. Luckily, I enrolled and began my ambition of inventing new materials for my country.”
After earning her doctorate in 2006, Liang did her postdoctoral research at the National Center for Scientific Research in France (CNRS) for two years before returning to China.
Her initial endeavor in China was developing high-temperature piezoelectric ceramics for deep soil oil and gas exploration. At that time, China’s deep oil and gas exploration gear relied solely on imports, and piezoelectric ceramics able to resist 175 degrees Celsius couldn’t be produced domestically. After months in the lab comparing thousands of data and modifying ingredients hundreds of times, Liang and her collaborators solved the bottleneck.
So far, the team has been able to make piezoelectric ceramics that can resist 260 degrees Celsius. In February, piezoelectric ceramics made by Liang and her team passed the testing in an over 10,000-meter deep vertical well in Tarim Basin in Xinjiang.
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