# A novel outer-inner magnetic two degree-of-freedom piezoelectric energy harvester

> Research article (Energy Conversion and Management, 2023) · cited 47× · AI/ML

**Wikidata**: [openalex:W4327709567](https://www.wikidata.org/wiki/openalex:W4327709567)  
**Source**: https://4ort.xyz/entity/a-novel-outer-inner-magnetic-two-degree-of-freedom-piezoelectric-energy-harvester