In operando X-ray diffraction strain measurement in Ni3Sn2 – Coated inverse opal nanoscaffold anodes for Li-ion batteries
Journal Article
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· Journal of Power Sources
- Northwestern Univ., Evanston, IL (United States). Dept. of Materials Science and Engineering; Exponent Inc., Menlo Park, CA (United States). Materials and Corrosion Engineering Practice
- Univ. of Illinois, Urbana, IL (United States). Dept. of Materials Science and Engineering
- Univ. of Illinois, Urbana, IL (United States). Dept. of Materials Science and Engineering; Korea Basic Science Inst., Gangneung (Korea, Republic of). Gangneung Center
- Argonne National Lab. (ANL), Argonne, IL (United States). X-ray Science Division
- Northwestern Univ., Evanston, IL (United States). Dept. of Materials Science and Engineering
Volume changes associated with the (de)lithiation of a nanostructured Ni3Sn2 coated nickel inverse opal scaffold anode create mismatch stresses and strains between the Ni3Sn2 anode material and its mechanically supporting Ni scaffold. By using in operando synchrotron x-ray diffraction measurements, elastic strains in the Ni scaffold are determined during cyclic (dis)charging of the Ni3Sn2 anode. These strains are characterized using both the center position of the Ni diffraction peaks, to quantify the average strain, and the peak breadth, which describes the distribution of strain in the measured volume. Upon lithiation (half-cell discharging) or delithiation (half-cell charging), compressive strains and peak breadth linearly increase or decrease, respectively, with charge. The evolution of the average strains and peak breadths suggests that some irreversible plastic deformation and/or delamination occurs during cycling, which can result in capacity fade in the anode. The strain behavior associated with cycling of the Ni3Sn2 anode is similar to that observed in recent studies on a Ni inverse-opal supported amorphous Si anode and demonstrates that the (de)lithiation-induced deformation and damage mechanisms are likely equivalent in both anodes, even though the magnitude of mismatch strain in the Ni3Sn2 is lower due to the lower (de)lithiation-induced contraction/expansion.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States). Advanced Photon Source (APS); Univ. of Illinois at Urbana-Champaign, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Grant/Contract Number:
- AC02-06CH11357; FG02-07ER46471
- OSTI ID:
- 1432952
- Alternate ID(s):
- OSTI ID: 1549316
OSTI ID: 1875504
- Journal Information:
- Journal of Power Sources, Journal Name: Journal of Power Sources Journal Issue: C Vol. 367; ISSN 0378-7753
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Electroless plating of a Sn–Ni/graphite sheet composite with improved cyclability as an anode material for lithium ion batteries
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journal | January 2018 |
The Influence of Surface Stress on the Chemo-Mechanical Behavior of Inverse-Opal-Structured Electrodes for Lithium-Ion Batteries
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journal | January 2020 |
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