Research Areas
Battery Cells, Packs,
BMS Algorithms
Electrochemical-thermal-mechanical models of battery cells and packs.
Fast-charging protocols using electric and thermal controls.
Aging mechanisms, diagnostic methods, and aging mitigation algorithms.
Machine-learning of user patterns for customized algorithms.
Validation of the algorithms by running a battery testing lab.
References:
J. Song, Z. Liu, K.W. Knehr, J.J. Kubal, D.W. Dees, S. Ahmed, Pathways towards managing cost and degradation risk of fast charging cells with electrical and thermal controls, Energy & Environmental Science, 14, 6564, (2021). [link]
Electrode and Material Microstructures
Structure-property relationship in electrochemical energy systems.
Transport and polarization across the structural discontinuities in solid-state electrolytes.
Multi-scale transport in random heterogeneous materials, e.g., battery electrodes, porous membrane and sintered nanoparticles.
References:
J. Song and M. Z. Bazant, Electrochemical impedance imaging via distribution of diffusion times, Physical Review Letters, 120, 116001 (2018). [link]
J. Song and M. Z. Bazant, Effects of nanoparticle geometry and size distribution on diffusion impedance of battery electrodes, J. Electrochem. Soc., 160, A15-A24 (2013). [link]
Techno-economic Evaluations
Economic viability of energy systems (cost and profit modeling).
Manufacturing process and costs of Li-ion batteries.
Evaluation of long-duration storage (stationary storage system).
□ Uncertainties in renewable generations, grid demand, and price.
□ Incorporating advanced battery models.
References:
M.S. Ziegler, J. Song, J.E Trancik, Determinants of lithium-ion battery technology cost decline, Energy & Environmental Science, 14, 6074, (2021). [link]
Z. Liu, J. Song, J. Kubal, N. Susarla, K.W. Knehr, E. Islam, P. Nelson, S. Ahmed, Comparing total cost of ownership of battery electric vehicles and internal combustion engine vehicles, Energy Policy, 158, 112564 (2021). [link]
M. S. Ziegler, J. M. Mueller, G.D. Pereira, J. Song, M. Ferrara, Y.-M. Chiang, and J. E. Trancik, Storage requirements and costs of shaping renewable energy toward grid decarbonization, Joule, 3, 2134-2153 (2019). [link]