Triboelectric nanogenerator-based early warning system for intelligent police stab-resistant body armors.

Bing Liu, Huimin Liu, Songyang Li, Ting Wang, Yuzhang Wen, Dongsheng Liu, Zihang Cheng, Yupeng Mao

Abstract read

In one paragraph

Article in iScience, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

8 authors.

Bing LiuCriminal Investigation Police University of China, Shenyang 110854, China.

Huimin LiuCriminal Investigation Police University of China, Shenyang 110854, China.

Songyang LiCriminal Investigation Police University of China, Shenyang 110854, China.

Ting WangCriminal Investigation Police University of China, Shenyang 110854, China.

Yuzhang WenCriminal Investigation Police University of China, Shenyang 110854, China.

Dongsheng LiuPhysical Education Department, Northeastern University, Shenyang 110819, China.

Zihang ChengPhysical Education Department, Northeastern University, Shenyang 110819, China.

Yupeng MaoPhysical Education Department, Northeastern University, Shenyang 110819, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The internet of things (IoT), driven by sensors, has been widely applied in intelligent monitoring, yet faces a key challenge of power supply. Triboelectric nanogenerators (TENGs) harvest energy with single-electrode TENGs suitable for wearables. This study designed an intelligent early warning system for police stab-resistant body armor using a triboelectric nanogenerator (PBE-TENG). Fabricated with boric acid cross-linked polyvinyl alcohol (PVA) and Ecoflex, using a copper net as the electrode. The Ecoflex layer ensures comfort and signal transmission. Electrical tests show it maintains stable output (≈5 V) across frequencies, with output voltage rising from 2.6 to 3.7 V as the stab point area expands. Integrated with a signal processing module, the system achieves 95% attack type identification accuracy via linear discriminant analysis and transmits distress coordinates to the background command system via MATLAB for real-time display/alarm. This work enhances police response and safety, laying a foundation for self-powered intelligent protective gear.

Indexed as

BioelectronicsDevicesElectromechanical systemEnergy materialsMaterials scienceSensorWearable computing

Identifiers

PMID42006335

DOI10.1016/j.isci.2026.115417

PMCPMC13084428

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.