# Ultrasonic enhanced hierarchical deep learning framework for advanced LiFePO4 battery multi-state joint estimation

> Research article (eTransportation, 2025) · cited 12× · AI/ML

**Wikidata**: [openalex:W4406572208](https://www.wikidata.org/wiki/openalex:W4406572208)  
**Source**: https://4ort.xyz/entity/ultrasonic-enhanced-hierarchical-deep-learning-framework-for-advanced-lifepo4-battery-multi-state-joint-estimation