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Title: Multiphase, Multiscale Chemomechanics at Extreme Low Temperatures: Battery Electrodes for Operation in a Wide Temperature Range

Journal Article · · Advanced Energy Materials
ORCiD logo [1];  [2];  [3];  [4];  [5];  [5];  [3];  [5];  [3];  [5];  [5];  [6];  [7];  [8];  [9];  [3]; ORCiD logo [5]
  1. SLAC National Accelerator Lab., Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource (SSRL); SLAC
  2. SLAC National Accelerator Lab., Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource (SSRL); Dalian Univ. of Technology (China). State Key Lab of Fine Chemicals School of Chemical Engineering, Liaoning Key Lab for Energy Materials and Chemical Engineering
  3. Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States)
  4. European Synchrotron Radiation Facility (ESRF), Grenoble (France); Brookhaven National Lab. (BNL), Upton, NY (United States). National Synchrotron Light Source II (NSLS-II)
  5. SLAC National Accelerator Lab., Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource (SSRL)
  6. Dalian Univ. of Technology (China). State Key Lab of Fine Chemicals School of Chemical Engineering, Liaoning Key Lab for Energy Materials and Chemical Engineering
  7. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  8. European Synchrotron Radiation Facility (ESRF), Grenoble (France)
  9. Purdue Univ., West Lafayette, IN (United States)
+ Show Author Affiliations

Understanding the behavior of lithium-ion batteries (LIBs) under extreme conditions, for example, low temperature, is key to broad adoption of LIBs in various application scenarios. LIBs, poor performance at low temperatures is often attributed to the inferior lithium-ion transport in the electrolyte, which has motivated new electrolyte development as well as the battery preheating approach that is popular in electric vehicles. A significant irrevocable capacity loss, however, is not resolved by these measures nor well understood. Herein, multiphase, multiscale chemomechanical behaviors in composite LiNixMnyCozO2 (NMC, x + y + z = 1) cathodes at extremely low temperatures are systematically elucidated. The low-temperature storage of LIBs can result in irreversible structural damage in active electrodes, which can negatively impact the subsequent battery cycling performance at ambient temperature. Furthermore, beside developing electrolytes that have stable performance, designing batteries for use in a wide temperature range also calls for the development of electrode components that are structurally and morphologically robust when the cell is switched between different temperatures.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
National Science Foundation (NSF); USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1824813
Journal Information:
Advanced Energy Materials, Journal Name: Advanced Energy Materials Journal Issue: 37 Vol. 11; ISSN 1614-6832
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English

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25 ENERGY STORAGE
chemomechanics
lithium-ion batteries
low temperatures
structural deformation
synchrotron characterization