aalto1 untyped-item.component.html
Coral-shaped porous LiFePO4/graphene hybrids for high rate and all-climate battery applications
Loading...
Access rights
openAccess
acceptedVersion
URL
Journal Title
Journal ISSN
Volume Title
A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
This publication is imported from Aalto University research portal.
View publication in the Research portal (opens in new window)
View/Open full text file from the Research portal (opens in new window)
View publication in the Research portal (opens in new window)
View/Open full text file from the Research portal (opens in new window)
Authors
Fan, Qi
Zhang, Yuanjian
Xu, Qingyu
Wang, Jun
Lei, Lixu
Sun, Yueming
Lund, Peter D.
Date
Department
Major/Subject
Mcode
Degree programme
Language
en
Pages
Series
Energy Storage Materials
Abstract
Tailor-designed cathode materials are essential for Li-ion batteries with both high energy density and outstanding capacity retention. Here we have designed and fabricated coral-shaped hierarchical porous LiFePO4/graphene hybrids for lithium-ion batteries. These novel hybrid materials exhibit excellent electrochemical performance over a wide temperature range from −40 °C to +60 °C. Even at −40 °C, the hybrid cathode can deliver a high initial capacity of 120 mAhg−1 and still maintain a discharge capacity of 80 mAhg−1 after 500 cycles with a very low capacity loss of 0.066% per cycle. The excellent wide-temperature performance can be ascribed to the porous structure and fast ion/electronic transport kinetics of the high conductive framework.
Description
Other note
Citation
Fan, Q, Zhang, Y, Xu, Q, Wang, J, Lei, L, Sun, Y & Lund, P D 2019, 'Coral-shaped porous LiFePO 4 /graphene hybrids for high rate and all-climate battery applications', Energy Storage Materials. https://doi.org/10.1016/j.ensm.2019.06.020