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Instruments / Technical Area	Publication Details	Published
B07-B-Versatile Soft X-ray beamline: High Throughput B07-C-Versatile Soft X-ray beamline: Ambient Pressure XPS and NEXAFS	The Versatile Soft X-ray (VerSoX) beamline at Diamond Light Source David C. Grinter , Federica Venturini , Pilar Ferrer , Matthijs A. Van Spronsen , Rosa Arrigo , Wilson Quevedo Garzon , Kanak Roy , Alexander I. Large , Santosh Kumar , Georg Held Synchrotron Radiation News 73, 1 - 9 DOI: 10.1080/08940886.2022.2082181 Open Access	Jul 2022
B07-C-Versatile Soft X-ray beamline: Ambient Pressure XPS and NEXAFS	Plasma jet printing induced high-capacity graphite anodes for sustainable recycling of lithium-ion batteries Madhushri Bhar , Avishek Dey , Sourav Ghosh , Matthijs A. Van Spronsen , Vimalnath Selvaraj , Yalamanchili Kaliprasad , Satheesh Krishnamurthy , Surendra K. Martha Carbon 183 DOI: 10.1016/j.carbon.2022.07.027 Diamond Proposal Number(s): [27982] Show Abstract ▼ Abstract: Graphite is an integral part of lithium-ion batteries (LIBs). However, due to limited resources and high production cost of the highly purified (battery grade) graphite are becoming a challenge to meet the ever-increasing demands for energy storage devices. One viable approach is to recycle the spent graphite anodes from end-of-life LIBs. Importantly, recycling of spent lithium-ion batteries (LIBs) is off utmost importance to address the global challenge of electronic waste management. Herein, we present an environment friendly technique of graphite recycling from the spent LIB by water leaching, followed by atmospheric plasma jet printing. The major advantage of this method is that it does not require any binders or conductive diluents. Plasma printed recycled graphite showed significantly enhanced specific capacity of 402 mAh g−1 at 500 mA g−1 at the end of the 1000th charge-discharge cycles, in comparison to with water-washed recycled graphite (112 mAh g−1) and a 23.35 times faster diffusivity of Li+. A detailed experimental investigation revealed the plasma activation of the graphitic structure resulted in the improved reversible Li+ storage. This work provides a new perspective on the recycling strategy of graphite anodes using the in-situ plasma functionalization strategy, a significant step towards the sustainable future of LIBs.	Jul 2022
	Interface sensitivity in electron/ion yield X-ray absorption spectroscopy: The TiO2–H2O interface Matthijs A. Van Spronsen , Xiao Zhao , Maximilian Jaugstetter , Carlos Escudero , Tomas Duchon , Adrian Hunt , Iradwikanari Waluyo , Peidong Yang , Kristina Tschulik , Miquel B. Salmeron The Journal Of Physical Chemistry Letters DOI: 10.1021/acs.jpclett.1c02115 Open Access Show Abstract ▼ Abstract: To understand corrosion, energy storage, (electro)catalysis, etc., obtaining chemical information on the solid–liquid interface is crucial but remains extremely challenging. Here, X-ray absorption spectroscopy (XAS) is used to study the solid–liquid interface between TiO2 and H2O. A thin film (6.7 nm) of TiO2 is deposited on an X-ray-transparent SiNx window, acting as the working electrode in a three-electrode flow cell. The spectra are collected based on the electron emission resulting from the decay of the X-ray-induced core-hole-excited atoms, which we show is sensitive to the solid–liquid interface within a few nm. The drain currents measured at the working and counter electrodes are identical but of opposite sign. With this method, we found that the water layer next to anatase is spectroscopically similar to ice. This result highlights the potential of electron-yield XAS to obtain chemical and structural information with a high sensitivity for the species at the electrode–electrolyte interface.	Oct 2021
	Hydrogen, H2 (g), by near-ambient-pressure soft x-ray synchrotron-radiation photoelectron spectroscopy Christopher R. O'Connor , Jorge Anibal Boscoboinik , Mustafa Karatok , Matthijs A. Van Spronsen Surface Science Spectra 28 DOI: 10.1116/6.0001066 Open Access Show Abstract ▼ Abstract: In this article, we show the survey and H 1s spectra acquired with a photon energy of 400.02 eV and H2(g) electron-energy loss of Ag 3d5/2 spectra with a photon energy of 451.3 eV using high-resolution synchrotron-radiation NAP-XPS.	Jun 2021

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