Enhanced Energy Storage Performance in La-Doped CaBi4Ti4O15 Films Through the Formation of a Weakly Coupled Relaxor
Quanlong Liu, Lei Zhang, Jun Ouyang, Yan Liu, Zhehong Tang, Jieyu Chen, Fei Guo, Yunpeng Zhou · 2024
Read Enhanced Energy Storage Performance in La-Doped CaBi4Ti4O15 Films Through the Formation of a Weakly Coupled Relaxor by Quanlong Liu, Lei Zhang, Jun Ouyang, Yan Liu, Zhehong Tang, Jieyu Chen, Fei Guo, Yunpeng Zhou (2024) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-11728794.txt.
Description
Quanlong Liu and seven co-authors store more energy in a thin-film capacitor by loosening its internal order. Such films charge and release almost instantly, suiting them for electronics and pulse power gear. The team worked with a layered bismuth compound whose stable electric order normally limits storage. Adding lanthanum atoms weakened the grip between electric dipoles, nudging the film toward a relaxor state where order is patchy. The same change held back grain growth, adding insulating boundaries that let the film withstand stronger fields.
At the best mix, the film stored seventy joules per cubic centimeter and returned seventy-three percent of the energy on discharge. Performance held steady across temperatures and cycling speeds. The authors offer the recipe as a general way to upgrade this family of layered films, not just one lucky composition.
Catalog record
| CREATOR | Quanlong Liu, Lei Zhang, Jun Ouyang, Yan Liu, Zhehong Tang, Jieyu Chen, Fei Guo, Yunpeng Zhou |
|---|---|
| YEAR | 2024 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 35 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |