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Showing 1 to 12 of 86 entries
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Electrochemical reduction of an Ag2VO2PO4 particle: dramatic increase of local electronic conductivity.

Physical chemistry chemical physics : PCCP

Kirshenbaum KC, Bock DC, Brady AB, Marschilok AC, Takeuchi KJ, Takeuchi ES.
PMID: 25827353
Phys Chem Chem Phys. 2015 May 07;17(17):11204-10. doi: 10.1039/c5cp00961h.

Previously, we reported that electrodes containing silver vanadium phosphate (Ag2VO2PO4) powder exhibit a 15,000 fold increase in conductivity after discharge, concurrent with the formation of silver metal. In this study, in order to disentangle the complex nature of electrodes...

2D Cross Sectional Analysis and Associated Electrochemistry of Composite Electrodes Containing Dispersed Agglomerates of Nanocrystalline Magnetite, Fe₃O₄.

ACS applied materials & interfaces

Bock DC, Kirshenbaum KC, Wang J, Zhang W, Wang F, Wang J, Marschilok AC, Takeuchi KJ, Takeuchi ES.
PMID: 26024206
ACS Appl Mater Interfaces. 2015 Jun 24;7(24):13457-66. doi: 10.1021/acsami.5b02478. Epub 2015 Jun 09.

When electroactive nanomaterials are fully incorporated into an electrode structure, characterization of the crystallite sizes, agglomerate sizes, and dispersion of the electroactive materials can lend insight into the complex electrochemistry associated with composite electrodes. In this study, composite magnetite...

In situ profiling of lithium/Ag₂VP₂O₈ primary batteries using energy dispersive X-ray diffraction.

Physical chemistry chemical physics : PCCP

Kirshenbaum KC, Bock DC, Zhong Z, Marschilok AC, Takeuchi KJ, Takeuchi ES.
PMID: 24705594
Phys Chem Chem Phys. 2014 May 21;16(19):9138-47. doi: 10.1039/c4cp01220h.

In situ, in operando characterization of electrochemical cells can provide insight into the complex discharge chemistries of batteries which may not be available with destructive methods. In this study, in situ energy-dispersive X-ray spectroscopy (EDXRD) measurements are conducted for...

Deliberately Designed Atomic-Level Silver-Containing Interface Results in Improved Rate Capability and Utilization of Silver Hollandite for Lithium-Ion Storage.

ACS applied materials & interfaces

Smith PF, Brady AB, Lee SY, Bruck AM, Dooryhee E, Wu L, Zhu Y, Takeuchi KJ, Takeuchi ES, Marschilok AC.
PMID: 29227624
ACS Appl Mater Interfaces. 2018 Jan 10;10(1):400-407. doi: 10.1021/acsami.7b12307. Epub 2017 Dec 26.

α-MnO

SWNT Anchored with Carboxylated Polythiophene "Links" on High-Capacity Li-Ion Battery Anode Materials.

Journal of the American Chemical Society

Kwon YH, Minnici K, Park JJ, Lee SR, Zhang G, Takeuchi ES, Takeuchi KJ, Marschilok AC, Reichmanis E.
PMID: 29526097
J Am Chem Soc. 2018 May 02;140(17):5666-5669. doi: 10.1021/jacs.8b00693. Epub 2018 Mar 14.

Conjugated polymers possessing polar functionalities were shown to effectively anchor single-walled carbon nanotubes (SWNTs) to the surface of high-capacity anode materials and enable the formation of electrical networks. Specifically, poly[3-(potassium-4-butanoate) thiophene] (PPBT) served as a bridge between SWNT networks...

Nanostructured Conductive Polymer Gels as a General Framework Material To Improve Electrochemical Performance of Cathode Materials in Li-Ion Batteries.

Nano letters

Shi Y, Zhou X, Zhang J, Bruck AM, Bond AC, Marschilok AC, Takeuchi KJ, Takeuchi ES, Yu G.
PMID: 28191854
Nano Lett. 2017 Mar 08;17(3):1906-1914. doi: 10.1021/acs.nanolett.6b05227. Epub 2017 Feb 13.

Controlling architecture of electrode composites is of particular importance to optimize both electronic and ionic conduction within the entire electrode and improve the dispersion of active particles, thus achieving the best energy delivery from a battery. Electrodes based on...

Carbon Nanotube Web with Carboxylated Polythiophene "Assist" for High-Performance Battery Electrodes.

ACS nano

Kwon YH, Park JJ, Housel LM, Minnici K, Zhang G, Lee SR, Lee SW, Chen Z, Noda S, Takeuchi ES, Takeuchi KJ, Marschilok AC, Reichmanis E.
PMID: 29337526
ACS Nano. 2018 Apr 24;12(4):3126-3139. doi: 10.1021/acsnano.7b08918. Epub 2018 Jan 19.

A carbon nanotube (CNT) web electrode comprising magnetite spheres and few-walled carbon nanotubes (FWNTs) linked by the carboxylated conjugated polymer, poly[3-(potassium-4-butanoate) thiophene] (PPBT), was designed to demonstrate benefits derived from the rational consideration of electron/ion transport coupled with the...

Reversible epitaxial electrodeposition of metals in battery anodes.

Science (New York, N.Y.)

Zheng J, Zhao Q, Tang T, Yin J, Quilty CD, Renderos GD, Liu X, Deng Y, Wang L, Bock DC, Jaye C, Zhang D, Takeuchi ES, Takeuchi KJ, Marschilok AC, Archer LA.
PMID: 31672899
Science. 2019 Nov 01;366(6465):645-648. doi: 10.1126/science.aax6873.

The propensity of metals to form irregular and nonplanar electrodeposits at liquid-solid interfaces has emerged as a fundamental barrier to high-energy, rechargeable batteries that use metal anodes. We report an epitaxial mechanism to regulate nucleation, growth, and reversibility of...

Unraveling the Dissolution-Mediated Reaction Mechanism of α-MnO.

Small (Weinheim an der Bergstrasse, Germany)

Kim SJ, Wu D, Sadique N, Quilty CD, Wu L, Marschilok AC, Takeuchi KJ, Takeuchi ES, Zhu Y.
PMID: 33166057
Small. 2020 Dec;16(48):e2005406. doi: 10.1002/smll.202005406. Epub 2020 Nov 09.

Aqueous Zn/α-MnO

The effect of chemically preintercalated alkali ion on structure of layered titanates and their electrochemistry in aqueous energy storage systems.

Journal of materials chemistry. A

Mukherjee S, Quilty CD, Yao S, Stackhouse CA, Wang L, Takeuchi KJ, Takeuchi ES, Wang F, Marschilok AC, Pomerantseva E.
PMID: 34413977
J Mater Chem A Mater. 2020 Sep 21;8(35):18220-18231. doi: 10.1039/d0ta04545d. Epub 2020 Aug 03.

We introduce a novel chemical preintercalation based synthesis technique based on hydrogen peroxide induced sol-gel process to obtain alkali ion containing ternary layered titanates (MTO, where M = Li, Na, K). Synthesis parameters leading to the formation of single-phase...

Energy dispersive X-ray diffraction (EDXRD) for operando materials characterization within batteries.

Physical chemistry chemical physics : PCCP

Marschilok AC, Bruck AM, Abraham A, Stackhouse CA, Takeuchi KJ, Takeuchi ES, Croft M, Gallaway JW.
PMID: 32338255
Phys Chem Chem Phys. 2020 Sep 30;22(37):20972-20989. doi: 10.1039/d0cp00778a.

This perspective article describes the use of energy dispersive X-ray diffraction (EDXRD) to study the evolution of electrochemical energy storage materials. Using a synchrotron light source, EDXRD allows crystallographic changes in materials to be tracked from deep within large...

Systems-level investigation of aqueous batteries for understanding the benefit of water-in-salt electrolyte by synchrotron nanoimaging.

Science advances

Lin CH, Sun K, Ge M, Housel LM, McCarthy AH, Vila MN, Zhao C, Xiao X, Lee WK, Takeuchi KJ, Takeuchi ES, Marschilok AC, Chen-Wiegart YK.
PMID: 32181349
Sci Adv. 2020 Mar 06;6(10):eaay7129. doi: 10.1126/sciadv.aay7129. eCollection 2020 Mar.

Water-in-salt (WIS) electrolytes provide a promising path toward aqueous battery systems with enlarged operating voltage windows for better safety and environmental sustainability. In this work, a new electrode couple, LiV

Showing 1 to 12 of 86 entries