{"id":33168,"date":"2025-09-20T11:59:06","date_gmt":"2025-09-20T11:59:06","guid":{"rendered":"https:\/\/www.newsbeep.com\/nz\/33168\/"},"modified":"2025-09-20T11:59:06","modified_gmt":"2025-09-20T11:59:06","slug":"chinese-team-develops-new-fibers-that-create-power-from-vibrations","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/nz\/33168\/","title":{"rendered":"Chinese team develops new fibers that create power from vibrations"},"content":{"rendered":"

Researchers from Henan University in China have reportedly developed a new type of ceramic fiber that can make piezoelectric nanogenerators (PENGs) much more powerful. <\/p>\n

According to reports, the new development can triple the output of nanogenerators and enable accurate, self-powered monitoring of power grids.<\/p>\n

For reference, piezoelectric materials generate electricity when they are pressed, stretched, or vibrated. PENGs use this effect to harvest tiny amounts of energy from mechanical movements, things like vibrations in a power line, human motion, or machinery.<\/p>\n

The team created branch-like ceramic fibers by coating a ceramic (BCZT or barium\u2013calcium\u2013zirconium\u2013titanate) with silver nanoparticles. These fibers<\/a> form a heterostructure (mixed structure with different materials) that improves how charges are separated and transported.<\/p>\n

It is like giving the fiber extra pathways for electricity to flow and better \u201ccharge storage\u201d ability. This new material is significant because it enhances the nanogenerator\u2019s performance in two primary ways.<\/p>\n

Brand new ceramic fibers<\/p>\n

The first is better polarization efficiency as charges inside the material line up more strongly, so more electricity is generated. The second is more efficient charge transport.<\/p>\n

When pressed, \u201cSchottky barriers<\/a>\u201d (energy boundaries between silver and ceramic) help direct charges in the right way instead of scattering. According to the team\u2019s paper on the subject, with this fiber mixed into a plastic (PVDF), the nanogenerator produced 96.4 volts and 15.52 microamps.<\/p>\n

To put that into perspective, that\u2019s around 3\u20136 times more output than without the special fibers. <\/p>\n

The\u00a0team built a prototype system to test the material<\/a>\u00a0and\u00a0monitor power transmission lines.<\/p>\n

They found that the nanogenerator harvested vibration energy from the lines themselves (so no batteries). If combined with circuits, wireless communications, and machine learning, it could detect whether a vibration-damping device was working normally, if it started to fail, or if it broke.<\/p>\n

According to the team, this could have an accuracy of up to 96%. This demonstrates its potential for use in self-powered smart sensors on the power grid, enabling faster, cheaper, and safer maintenance.<\/p>\n

Interesting potential for self-powered grid sensors<\/p>\n

It is important to note that this is still very much early-stage research. The team needs to overcome some issues to make it useful in the real world.<\/p>\n

For example, they need to push the output even higher and integrate it seamlessly with electronics. They also need to make it truly self-powered with no external backup and prove it works under messy real-world grid conditions.<\/p>\n

\u201cThis excellent electrical output performance is crucial for efficient integration with energy management circuits and signal recognition systems in sensing applications,\u201d said Professor Haowei Lu, a materials scientist at Henan University\u2019s School of Physics and Electronics.<\/p>\n

Looking at the bigger picture, this is a step toward developing battery-free, self-powered sensors for critical infrastructure, such as power grids. If it scales, it means smart monitoring systems that don\u2019t need maintenance crews to constantly replace batteries, which would be a big win for reliability and cost.<\/p>\n

The study was published in Journal of Advanced Ceramics<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"Researchers from Henan University in China have reportedly developed a new type of ceramic fiber that can make…\n","protected":false},"author":2,"featured_media":33169,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[31291,1686,600,15206,3925,111,139,69,31211,147,3694,145],"class_list":{"0":"post-33168","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-technology","8":"tag-ceramic","9":"tag-electricity","10":"tag-energy-amp-environment","11":"tag-fiber","12":"tag-inventions-and-machines","13":"tag-new-zealand","14":"tag-newzealand","15":"tag-nz","16":"tag-power-grids","17":"tag-science","18":"tag-sustainability","19":"tag-technology"},"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/posts\/33168","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/comments?post=33168"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/posts\/33168\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/media\/33169"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/media?parent=33168"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/categories?post=33168"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/tags?post=33168"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}