Tiangong University has already provided 490 masks and 197 pairs of gloves made by researchers to the Chinese team.
Temperatures in Zhangjiakou fell to -30 C in January, and Liu drove with a team of experts to deliver the gloves and masks to the athletes on Jan 25 so they could test the products.
The masks and gloves to be delivered next week are the result of many tests and revisions since then.
Liu said they feature state-of-the-art technologies in heating components, along with flexible and wearable components and an intelligent temperature-control algorithm.
Sensors empowered by the algorithm collect body and outdoor temperatures and control the heating from 45 C to 65 C, he said, adding that is a major improvement on currently available products that require the wearer to set temperature controls manually.
"Inside the gloves, the circuits, serving as ‘blood vessels’ or ‘nerves’ and made of silver nanowire, carbon nanotubes, graphene and some substances like high polymers, are made to be flexible to allow for natural movement, and are the key to transmit the temperature signals," he said.
The electronic signals are aided by tiny chips, and the heating materials and intelligent components are powered by lithium batteries.
Liu said the masks have two to four heating parts, while the gloves have one for each finger.
The components contribute 12.9 percent of the weight of the masks and 8.9 percent of the weight of each pair of gloves, and "will not hinder the movement of athletes", he said.
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◆ A compilation of recent hot reports of media Tiangong (October 16th to November 28th)
◆ The media is awesome! Tiangong boarded CCTV news!
◆ Media Tiangong Tianjin Daily: Li Hongzhong communicated face-to-face with grassroots cadres and masses to preach the spirit of the Sixth Plenary Session.
Tianjin University of Technology
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Typesetting | Yang Yuedi
Audit | Liu Ziqin