Description: Wanli Yang 杨万里 Wanli Yang personal research webpage

Ph.D. Senior Scientist
Advanced Light Source, Lawrence Berkeley National Laboratory
Mail: MS6R2100, 1 Cyclotron Road, Berkeley, CA 94720
E-mail
: WLYang (at) lbl.gov
Phone: (510) 486-4989

Fax:
(510) 495-2067

   RESEARCH INTERESTS    EDUCATION    EXPERIENCES   TECHNIQUES    PUBLICATIONS
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RESEARCH INTERESTS

 

Techniques :
(current focus)
Synchrotron based soft X-ray spectroscopy: soft X-ray absorption (sXAS), X-ray emission (sXES), Resonant Inelastic X-ray Scattering (RIXS), high-effeciency full-energy-range mapping of RIXS (mRIXS).
(limited/past effort) Ultraviolet Photoelectron Spectroscopy (UPS), and Core level X-ray Photoelectron Spectroscopy (XPS), Angle Resolved Photoelectron (ARPES).

Materials :
(current focus) Materials for energy applications, including materials for energy storage, photovoltaic, and catalysts.
(limited/past effort) Molecular crystal systems and nanoclusters; highly correlated materials.

 

EDUCATION

1991-1995 B.S. Shandong University, China (Physics)
1995-2000 Ph.D. Institute of Physics, Chinese Academy of Sciences (Condensed Matter Physics)
2001-2004 Postdoc Stanford University (Condensed Matter Physics: Spectroscopy)

EXPERIENCES

9/2006 - present, Career Physicist Scientist, Advanced Light Source, Lawrence Berkeley National Laboratory
9/2004 - 9/2006, Staff Scientist, Geballe Laboratory for Advanced Materials (GLAM), Stanford University

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Techniques (Simplified schematics here, see references for details)

Soft XAS (sXAS) Atomic Schematic (2008)

XES and RIXS Atomic Schematic (2017)
XASRIXS


Reference: Yang & Devereaux J. Power Sources 389, 188 (2018) (PDF)

 

 

High-effeciency full-energy-range mapping of RIXS (mRIXS) (2016)

mRIXS
Reference: Qiao et al., Review of Scientific Instruments 88, 033106 (2017) (PDF)

 

 

Direct probes of transition-metals and O oxidation states through mRIXS-iPFY (left) and mRIXS-sPFY (right), respectively (2018)

Mn-L mRIXS iPFY < >< >< >O-K mRIXS sPFY
Reference: Dai et al., Joule 3, 518-541 (2019) (PDF)

 

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Publication List on Web of Science

Publication List on Google Scholar

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TUTORIAL: XAS, XES, RIXS, mRIXS, mRIXS-iPFY, mRIXS-sPFY - with examples on battery material studies

A slow & easy lecture video on battery material studies through soft X-ray RIXS

 

Below are categorized references for educational purposes:

-- mRIXS of TM-based energy storage materials

(Why we need mRIXS?) S Roychoudhury, R Qiao, Z Zhuo, Q Li, Y Lyu, JH Kim, J Liu, E Lee, BJ Polzin, J Guo, S Yan, Y Hu, H Li*, D Prendergast*, WL Yang*
Deciphering the oxygen absorption pre‐edge: a caveat on its application for probing oxygen redox reactions in batteries
Energy & Environmental Materials, doi:10.1002/eem2.12119 (2020)

(O & TM) JP Wu, ZQ Zhuo, XH Rong, KH Dai, Z Lebens-Higgins, S Sallis, F Pan, LFJ Piper, G Liu, YD Chuang, Z Hussain, QH Li, R Zeng*, ZX Shen*, WL Yang*
Dissociate lattice oxygen redox reactions from capacity and voltage drops of battery electrodes
Science Advances 6, eaaw3871 (2020)

(O & TM) KH Dai, JP Wu, ZQ Zhuo, QH Li, S Sallis, J Mao, G Ai, CH Sun, ZY Li, WE Gent, WC Chueh, Y-d Chuang, R Zeng, Z-x Shen, F Pan, SS Yan, LFJ Piper, Z Hussain, G Liu*, WL Yang*
High Reversibility of Lattice Oxygen Redox Quantified by Direct Bulk Probes of Both Anionic and Cationic Redox Reactions
Joule 3, 518-541 (2019) (PDF)

(O in Na-ion Battery) KH Dai, J Mao, ZQ Zhuo, Y Feng, WF Mao, G Ai, F Pan, Y.-d Chuang, G Liu*, WL Yang*
Negligible voltage hysteresis with strong anionic redox in conventional battery electrode
Nano Energy 74 104831 (2020)

(O in Li-rich) WE Gent, K Lim, YF Liang, QH Li, T Barnes, S-J Ahn, KH Stone, M McIntire, J Hong, JH Song, Y Li, A Mehta, S Ermon, T Tyliszczak, D Kilcoyne, D Vine, JH Park, SK Doo, MF Toney*, WL Yang*, D Prendergast*, WC Chueh*.
Coupling between oxygen redox and cation migration explains unusual electrochemistry in lithium-rich layered oxides
Nature Communications 8:2091 (2017)

(O in conventional electrodes) GH Lee, JP Wu, D Kim, K Cho, M Cho, WL Yang*, YM Kang*
Reversible Anionic Redox Activities in Conventional LiNi1/3Co1/3Mn1/3O2 Cathodes
Angewandte Chemie International Edition doi:10.1002/ange.202001349 (2020)

(TM) A Firouzi, RM Qiao, S Motallebi, CW Valencia, HS Israel, M Fujimoto, LA Wray, Y-D Chuang, WL Yang*, CD Wessells*
Monovalent manganese based anodes and cosolvent electrolyte for stable low-cost high-rate sodium-ion batteries
Nature Communications 9:861 (2018)

(Li2O2) ZQ Zhuo, CD Pemmaraju, J Vinson, CJ Jia, B Moritz, I Lee, S Sallies, QH Li, JP Wu, KH Dai, Y-d Chuang, Z Hussain, F Pan, TP Devereaux*, WL Yang*
Spectroscopic signature of oxidized oxygen states in peroxides
The journal of physical chemistry letters 9, 6378 (2018)

(O2, CO2) ZQ Zhuo, Y-s Liu, JH Guo, Y-d Chuang, F Pan*, WL Yang*
Full Energy Range Resonant Inelastic X-ray Scattering of O2 and CO2: Direct Comparison with Oxygen Redox State in Batteries
The journal of physical chemistry letters 11, 2618 (2020)

(A different view on Li-rich) Z Zhuo, K Dai, R Qiao, R Wang, J Wu, Y Liu, J Peng, L Chen, Y-d Chuang, F Pan*, Z-x Shen, G Liu, H Li*, TP Devereaux*, WL Yang*
Cycling mechanism of Li2MnO3: Li–CO2 batteries and commonality on oxygen redox in cathode materials
Joule 5, (2021) DOI: 10.1016/j.joule.2021.02.004 (PDF)

(2018 Review) WL Yang*, TP Devereaux*
Anionic and cationic redox and interfaces in batteries: Advances from soft X-ray absorption spectroscopy to resonant inelastic scattering
Journal of Power Sources 389, 188 (2018) (PDF)

 

--- sXAS and XES of TM-based Energy Storage Materials

Transition-metals (TMs):
(Topical Review & references therein) , , , , , , , , WL Yang*.
Quantitative probe of the transition metal redox in battery electrodes through soft x-ray absorption spectroscopy

(Fe/Mn with spin states) JP Wu, J Song, KH Dai, ZQ Zhuo, LA Wray, G Liu, ZX Shen, R Zeng*, YH Lu*, WL Yang*
Modification of Transition-Metal Redox by Interstitial Water in Hexacyanometalate Electrodes for Sodium-Ion Batteries
Journal of the American Chemical Society 139, 18358 (2017)

(Manganese) Qiao, R., Dai, K., Mao, J., Weng, T.-C., Sokaras, D., Nordlund, D., Song, X., Battaglia, V. S., Hussain, Z., Liu, G.*, Yang, WL*.
Revealing and suppressing surface Mn(II) formation of Na0.44MnO2 electrodes for Na-ion batteries.
Nano Energy 16, 186-195 (2015)

(Nickel) Qiao, R., Wray, L. A.*, Kim, J.-H., Pieczonka, N. P. W., Harris, S. J., Yang, WL*.
Direct Experimental Probe of the Ni(II)/Ni(III)/Ni(IV) Redox Evolution in LiNi0.5Mn1.5O4Electrodes.
The Journal of Physical Chemistry C, 119, 27228-27233 (2015)

(Iron) Liu, XS; Liu, J; Qiao, RM; Yu, Y; Li, H; Suo, LM; Hu, YS; Chuang, YD; Shu, GJ; Chou, FC; Weng, TC; Nordlund, D; Sokaras, D; Wang, YJ; Lin, H; Barbiellini, B; Bansil, A; Song, XY; Liu, Z; Yan, SS; Liu, G; Qiao, S; Richardson, TJ; Prendergast, D; Hussain, Z; de Groot, FMF; Yang, WL*.
Phase Transformation and Lithiation Effect on Electronic Structure of LixFePO4: An In-Depth Study by Soft X-ray and Simulations
Journal of the American Chemical Society 134, 13708 (2012)

(sXAS & sXES)Liu, X., Wang, Y. J., Barbiellini, B.*, Hafiz, H., Basak, S., Liu, J., Richardson, T., Shu, G., Chou, F., Weng, T. C., Nordlund, D., Sokaras, D., Moritz, B., Devereaux, T. P., Qiao, R., Chuang, Y. D., Bansil, A., Hussain, Z., Yang, WL*.
Why LiFePO4 is a safe battery electrode: Coulomb repulsion induced electron-state reshuffling upon lithiation.
Physical chemistry chemical physics 17, 26369-26377, (2015)

 

--- non-TM based Energy Storage Materials:

(C-K) Liu, G*; Xun, S; Nenad, V; Song, XY; Olalde-Velasco, P; Zheng, HH; Battaglia, VS; Wang, LW; Yang, WL*.
Polymers with Tailored Electronic Structure for High Capacity Lithium Battery Electrodes
Advanced Materials 23, 4679 (2011)

(C-K, O-K) Qiao, RM; Lucas, IT; Karim, A; Syzdek, J; Liu, XS; Chen, W; Persson, K; Kostechi, R; Yang, WL*.
Distinct Solid-Electrolyte-Interphases on Sn (100) and (001) Electrodes Studied by Soft X-Ray Spectroscopy
Advanced Materials -Interfaces 1, 1300115 (2013)

(C-K, O-K) ZQ Zhuo, P Lu, C Delacourt, RM Qiao, K Xu, F Pan*, SJ Harris*, WL Yang*.
Breathing and oscillating growth of solidelectrolyte-interphase upon electrochemical cycling
Chemical Communications 54, 814 (2018)

(Li-K) RM Qiao, Y-D Chuang, SS Yan*, WL Yang*.
Soft X-Ray Irradiation Effects of Li2O2,Li2CO3 and Li2O Revealed by Absorption Spectroscopy
PLoS One 7, 349182 (2012)

-- Instrumentation & Technical: High-effeciency mRIXS endstation at the Advanced Light Source

(iRIXS) RM Qiao, QH Li, ZQ Zhuo, S Sallis, O Fuchs, M Blum, L Weinhardt, C Heske, J Pepper, M Jones, A Brown, A Spucces, K Chow, B Smith, P-A Glans, YX Chen, SS Yan, F Pan, LFJ Piper, J Denlinger, J Guo, Z Hussain, Y-D Chuang*, WL Yang*
High-efficiency in situ resonant inelastic x-ray scattering (iRIXS) endstation at the Advanced Light Source
Review of Scientific Instruments 88, 033106 (2017)

(Data processing) JP Wu, S Sallis, RM Qiao, QH Li, ZQ Zhuo, KH Dai, Z Guo, WL Yang*
Elemental-sensitive Detection of the Chemistry in Batteries through Soft X-ray Absorption Spectroscopy and Resonant Inelastic X-ray Scattering
Journal of Visualized Experiments (134), e57415 (2018)

(Radiation Control) Q Li, ZW Lebens-Higgins, Y Li, YS Meng, YD Chuang, LFJ Piper*, Z Liu*,WL Yang*
Could Irradiation Introduce Oxidized Oxygen Signals in Resonant Inelastic X-ray Scattering of Battery Electrodes?
The Journal of Physical Chemistry Letters
12, 1138-1143 (2021)

--- Soft X-ray in-situ Techniques:
(Review on in-situ) Liu, X., Yang, WL* & Liu, Z*
Recent Progress on Synchrotron-Based In-Situ Soft X-ray Spectroscopy for Energy Materials.
Advanced Materials 26, 7710-7729, (2014)

(Solid-state in-situ) Liu, XS; Wang, DD; Liu, G*; Srinivasan, V; Liu, Z; Hussain, Z; Yang, WL*.
Distinct charge dynamics in battery electrodes revealed by in situ and operando soft X-ray spectroscopy
Nature Communications 4, 2568 (2013)

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