In February 2025, 16 MgB 2 –YBCO hybrid coils had been completely produced and were ready to be assembled into a high-temperature superconducting magnetic energy storage (HTS-SMES) device. This is the first time in the world that an HTS-SMES device with an energy capacity of 10 MJ has been developed, and the entire process was independently completed by a Chinese group. This marks a further maturation of the technology for large-scale fabrication of high-quality, homogeneous high-temperature superconducting hybrid coils, as well as the manufacturing of high-performance SMES devices. In addition, the ability to regulate grid fluctuations will be further enhanced.
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Wang et al. (2025) studied this question.
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