DOE PAGES title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Impact of secondary particle size and two-layer architectures on the high-rate performance of thick electrodes in lithium-ion battery pouch cells

Journal Article · · Journal of Power Sources

Increasing lithium-ion battery gravimetric energy density to > 300 Wh/kg, while simultaneously meeting a cost target of $80/kWh, is of paramount importance to increasing the driving range and affordability of electric vehicles. One way to address this goal is to reduce inactive components by increasing electrode areal capacities, but conventional thick electrode designs typically perform poorly at high discharge rates due to Li+ mass transport limitations. Here we compare the rate capability and cycle life of NMC 532/graphite pouch cells made with five different thick cathode and anode designs paired together in 25 combinations. We find that using different particle sizes to structure both the cathode and anode architectures in two-layer configurations results in a 2X capacity improvement over the worst-performing combination at high discharge rates (97 vs. 46 mAh/g at 2C). These different cathode/anode designs also translate to different cycle life performance, with many cells cycled at C/2 achieving ~80% capacity retention after 1000 cycles, and cells cycled at 2C showing different degrees of capacity fade. Altogether, these results demonstrate that simple, scalable changes in electrode design can significantly improve the performance of thick electrodes for high energy density batteries.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE); USDOE Office of Energy Efficiency and Renewable Energy (EERE), Energy Efficiency Office. Advanced Manufacturing Office
Grant/Contract Number:
AC02-06CH11357; AC05-00OR22725
OSTI ID:
1831625
Journal Information:
Journal of Power Sources, Journal Name: Journal of Power Sources Journal Issue: 12 Vol. 515; ISSN 0378-7753
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

References (44)

Design of Battery Electrodes with Dual-Scale Porosity to Minimize Tortuosity and Maximize Performance journal December 2012
Thick Electrode Batteries: Principles, Opportunities, and Challenges journal July 2019
Improvement of Lithium-Ion Battery Performance by Two-Layered Slot-Die Coating Operation journal January 2017
In Situ Investigations of Simultaneous Two‐Layer Slot Die Coating of Component‐Graded Anodes for Improved High‐Energy Li‐Ion Batteries journal March 2020
Multiscale design optimization of lithium ion batteries using adjoint sensitivity analysis: MULTISCALE DESIGN OPTIMIZATION OF LITHIUM ION BATTERIES journal June 2012
Effect of particle size on rate capability and cyclic stability of LiNi0.5Mn1.5O4 cathode for high-voltage lithium ion battery journal September 2014
Understanding limiting factors in thick electrode performance as applied to high energy density Li-ion batteries journal February 2017
Toward Low-Cost, High-Energy Density, and High-Power Density Lithium-Ion Batteries journal June 2017
Advanced surface and microstructural characterization of natural graphite anodes for lithium ion batteries journal June 2014
The state of understanding of the lithium-ion-battery graphite solid electrolyte interphase (SEI) and its relationship to formation cycling journal August 2016
A comprehensive understanding of electrode thickness effects on the electrochemical performances of Li-ion battery cathodes journal June 2012
Thick electrodes upon biomass-derivative carbon current collectors: High-areal capacity positive electrodes for aluminum-ion batteries journal November 2019
Enabling fast charging of lithium-ion batteries through secondary-/dual- pore network: Part II - numerical model journal May 2020
Enabling fast charging of lithium-ion batteries through secondary- /dual- pore network: Part I - Analytical diffusion model journal May 2020
Diverting Exploration of Silicon Anode into Practical Way: A Review Focused on Silicon-Graphite Composite for Lithium Ion Batteries journal March 2021
Improvement of lithium-ion battery performance using a two-layered cathode by simultaneous slot-die coating journal February 2016
Effect of cycling rate, particle size and transport properties on lithium-ion cathode performance journal August 2010
A systematic study of thick electrodes for high energy lithium ion batteries journal December 2016
Dual active material composite cathode structures for Li-ion batteries journal March 2008
A design optimization methodology for Li+ batteries journal May 2014
Prospects for reducing the processing cost of lithium ion batteries journal February 2015
Thick electrodes for Li-ion batteries: A model based analysis journal December 2016
A two layer electrode structure for improved Li Ion diffusion and volumetric capacity in Li Ion batteries journal January 2017
High-Performance Solid-State Lithium-Ion Battery with Mixed 2D and 3D Electrodes journal July 2020
Opportunities and Challenges of High-Energy Lithium Metal Batteries for Electric Vehicle Applications journal September 2020
Nickel-Rich Layered Cathode Materials for Automotive Lithium-Ion Batteries: Achievements and Perspectives journal December 2016
Impedance Spectroscopy Characterization of Porous Electrodes under Different Electrode Thickness Using a Symmetric Cell for High-Performance Lithium-Ion Batteries journal February 2015
Lithium Diffusion in Graphitic Carbon journal March 2010
Magnetically aligned graphite electrodes for high-rate performance Li-ion batteries journal July 2016
High-performance battery electrodes via magnetic templating journal July 2016
Performance and cost of materials for lithium-based rechargeable automotive batteries journal April 2018
Effects of cycling on lithium-ion battery hysteresis and overvoltage journal October 2019
Voltage hysteresis of lithium ion batteries caused by mechanical stress journal January 2016
Laser-induced breakdown spectroscopy for the quantitative measurement of lithium concentration profiles in structured and unstructured electrodes journal January 2019
Towards practical lithium-metal anodes journal January 2020
Low-tortuosity and graded lithium ion battery cathodes by ice templating journal January 2019
Communication—Analysis of Thick Co-Extruded Cathodes for Higher-Energy-and-Power Lithium-Ion Batteries journal January 2017
On Graded Electrode Porosity as a Design Tool for Improving the Energy Density of Batteries journal December 2015
Optimizing Areal Capacities through Understanding the Limitations of Lithium-Ion Electrodes journal November 2015
Thick Electrodes for High Energy Lithium Ion Batteries journal January 2015
Microscale 2.5D Batteries journal January 2017
Experimental and Simulation Investigations of Porosity Graded Cathodes in Mitigating Battery Degradation of High Voltage Lithium-Ion Batteries journal January 2017
Is There a Benefit in Employing Graded Electrodes for Lithium-Ion Batteries? journal January 2017
Femtosecond Laser Processing of Thick Film Cathodes and Its Impact on Lithium-Ion Diffusion Kinetics journal September 2019