Determining effects of doping lithium nickel oxide with tungsten using Compton scattering-Reference-Cited by-同舟云学术

Determining effects of doping lithium nickel oxide with tungsten using Compton scattering

Published:2024-04-10 Issue:2 Volume:2 Page:
ISSN:2770-9000
Container-title:APL Energy
language:en
Short-container-title:

Author:

Kothalawala Veenavee Nipunika¹^ORCID,Suzuki Kosuke²^ORCID,Li Xin¹³^ORCID,Barbiellini Bernardo¹⁴^ORCID,Nokelainen Johannes¹⁴^ORCID,Makkonen Ilja⁵^ORCID,Ferragut Rafael³^ORCID,Tynjälä Pekka⁶⁷^ORCID,Laine Petteri⁶⁷^ORCID,Välikangas Juho⁶⁷^ORCID,Hu Tao⁶^ORCID,Lassi Ulla⁶⁷^ORCID,Takano Kodai²,Tsuji Naruki⁸^ORCID,Amada Yosuke²,Sasikala Devi Assa Aravindh⁶⁹^ORCID,Alatalo Matti¹⁰^ORCID,Sakurai Yoshiharu⁸^ORCID,Sakurai Hiroshi²^ORCID,Babar Mohammad¹¹,Vishwanathan Venkatasubramanian¹¹,Hafiz Hasnain⁴,Bansil Arun⁴^ORCID

Affiliation:

1. Department of Physics, School of Engineering Science, LUT University 1 , FI-53851 Lappeenranta, Finland

2. Graduate School of Science and Technology, Gunma University 2 , Kiryu, Gunma 376-8515, Japan

3. L-NESS and Department of Physics, Politecnico di Milano 3 , Via Anzani 42, 22100 Como, Italy

4. Department of Physics, Northeastern University 4 , Boston, Massachusetts 02115, USA

5. Department of Physics, University of Helsinki 5 , P.O. Box 43, FI-00014, University of Helsinki, Helsinki, Finland

6. Research Unit of Sustainable Chemistry, University of Oulu 6 , Oulu, Finland

7. Kokkola University Consortium Chydenius, University of Jyvaskyla 7 , Kokkola, Finland

8. Japan Synchrotron Radiation Research Institute (JASRI) 8 , Sayo, Hyogo 679-5198, Japan

9. Materials and Mechanical Engineering Research Unit, University of Oulu 9 , Oulu, Finland

10. Nano and Molecular Systems Research Unit, University of Oulu 10 , Pentti Kaiteran Katu 1, 90570 Oulu, Finland

11. Department of Aerospace Engineering, University of Michigan 11 , Ann Arbor, Michigan 48109, USA

Abstract

X-ray Compton scattering experiments along with parallel first-principles computations were carried out on LiNiO2 to understand the effects of W doping on this cathode material for Li-ion batteries. By employing high-energy x rays exceeding 100 keV, an insight is gained into the fate of the W valence electrons, which are adduced to undergo transfer to empty O 2p energy bands within the active oxide matrix of the cathode. The substitution of W for Ni is shown to increase the electronic conductivity and to enhance the total magnetization per Ni atom. Our study demonstrates that an analysis of line shapes of Compton scattered x rays in combination with theoretical modeling can provide a precise method for an atomic level understanding of the nature of the doping process.

Funder

LUT University

JSPS KAKENHI

Office of Naval Research through the Naval Research Laboratory Basic Research Program

Business Finland

Publisher

AIP Publishing

Link

https://pubs.aip.org/aip/ape/article-pdf/doi/10.1063/5.0193527/19876724/026102_1_5.0193527.pdf

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