Title: Nanostructured Anatase Titania as a Cathode Catalyst for Li–CO2 Batteries

Journal Article · · ACS Applied Materials and Interfaces
 [1];  [2]; ORCiD logo [2]
  1. Univ. of Texas, Austin, TX (United States). Materials Science and Engineering Program; Univ. of Texas, Austin, TX (United States). Texas Materials Inst. (TMI); University of Texas at Austin
  2. Univ. of Texas, Austin, TX (United States). Materials Science and Engineering Program; Univ. of Texas, Austin, TX (United States). Texas Materials Inst. (TMI)
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The lithium – carbon dioxide (Li-CO2) battery previously garnered significant interest over the past five years as a next-generation energy storage device. In this letter, we report a nanocomposite of anatase titania nanoparticles (TiO2-NP), carbon nanotubes (CNT), and carbon nanofibers (CNF) as a freestanding gas diffusion cathode (GDC) for Li-CO2 batteries. Nanostructured anatase TiO2 is demonstrated as a low-cost, easy-to-synthesize catalyst for CO2 capture and utilization. With the developed composite electrode, we confirm the successful reversibility of the carbon dioxide reduction reaction (CDRR) and evolution reaction (CDER) at the cathode, and demonstrate improved Li-CO2 cell performance, through a variety of materials and electrochemical characterization techniques.

Research Organization:
Univ. of Texas, Austin, TX (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division
Grant/Contract Number:
SC0005397
OSTI ID:
1598198
Journal Information:
ACS Applied Materials and Interfaces, Journal Name: ACS Applied Materials and Interfaces Journal Issue: 43 Vol. 10; ISSN 1944-8244
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (7)

Li–CO 2 and Na–CO 2 Batteries: Toward Greener and Sustainable Electrical Energy Storage journal September 2019
Phenyl Disulfide Additive for Solution‐Mediated Carbon Dioxide Utilization in Li–CO 2 Batteries journal April 2019
A Co‐Doped MnO 2 Catalyst for Li‐CO 2 Batteries with Low Overpotential and Ultrahigh Cyclability journal July 2019
Monodispersed MnO nanoparticles in graphene-an interconnected N-doped 3D carbon framework as a highly efficient gas cathode in Li–CO 2 batteries journal January 2019
Recent advances in understanding Li–CO 2 electrochemistry journal January 2019
Design strategies toward catalytic materials and cathode structures for emerging Li–CO 2 batteries journal January 2019
Design of ultralong-life Li–CO 2 batteries with IrO 2 nanoparticles highly dispersed on nitrogen-doped carbon nanotubes journal January 2020

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25 ENERGY STORAGE
CO2 electrochemistry
Li−CO2 batteries
catalysis
nanocomposites
nanostructured TiO2