Abstract
Using powders treated by sand milling as starting materials, high densified lithium lanthanum titanium oxide (LLTO) ceramics with high conductivity were prepared. A novel all-solid-state reference electrode was fabricated using the as-prepared LLTO ceramics for electrochemical measurements in marine environments that require robustness, no clogging, and resistance to high salinity and high temperatures and pressures. This reference electrode functioned without any filling solution and any porous junction between it and the analyte. The characteristics, stability, and impedance of the all-solid-state reference electrode were examined in different pH buffer aqueous solutions; its I–V curves were recorded during cyclic voltammetric experiments, which were then compared with those obtained for a classic Ag/AgCl reference electrode. The fabricated reference electrode was connected to an Ir/IrO2 working electrode to prepare an all-solid-state pH sensor for measuring the pH of simulated seawater and for capturing variations in the behavior of the reference electrode on addition of acidic or alkaline solutions. This all-solid-state potentiometric sensor can be used in association with other sensing electrodes and in harsh environments, such as at great ocean depths and in high temperature and pressure environments.
Similar content being viewed by others
Data availability
The authors declare that all data supporting the findings of this study are available within the article.
References
C.L.Y. Inaguma, M. Itoh, T.B. Nakmura, Solid State Commun. 86, 689–693 (1993)
J.Y.Y. Inaguma, Y.J. Shan, M.T. Nakamura, J. Electrochem. Soc. 142, 8–11 (1995)
T. Teranishi, Y. Ishii, H. Hayashi, A. Kishimoto, Solid State Ion. 284, 1–6 (2016)
S. Lorant, C. Bohnke, M. Roffat, O. Bohnke, Electrochim. Acta. 80, 418–425 (2012)
V.T.S. Stramare, W. Weppner, Chem. Mater. 15, 3974–3990 (2003)
H.T.T. Le, D.T. Ngo, Y.-J. Kim, C.-N. Park, C.-J. Park, Electrochim. Acta. 248, 232–242 (2017)
S. Noh, J. Kim, M. Eom, D. Shin, Ceram. Int. 39, 8453–8458 (2013)
S.L. Fernandes, G. Gasparotto, G.F. Teixeira, M.A. Cebim, E. Longo, M.A. Zaghete, Ceram. Int. 44, 21578–21584 (2018)
L.C.Y. Inaguma, M. Itoh, T. Nakamura, Solid State Ion. 70(71), 196–202 (1994)
A. Mei, X. Wang, J. Lan, Y. Feng, H. Geng, Y. Lin, C. Nan, Electrochim. Acta. 55, 2958–2963 (2010)
Y. Inaguma, T. Katsumata, M. Itoh, Y. Morii, J. Solid State Chem. 166, 67–72 (2002)
T. Durán, E. Climent-Pascual, M.T. Pérez-Prior, B. Levenfeld, A. Varez, I. Sobrados, J. Sanz, Adv. Powder Technol. 28, 514–520 (2017)
W. Araki, Y. Nagakura, Y. Arai, Ceram. Int. 46, 6270–6275 (2020)
F. Schröckert, N. Schiffmann, E.C. Bucharsky, K.G. Schell, M.J. Hoffmann, Solid State Ion. 328, 25–29 (2018)
Y. Inaguma, M. Itoh, Solid State Ion. 86–88, 257–260 (1996)
C. Bohnke, B. Regrag, F. Leberre, J. Fourquet, N. Randrianantoandro, Solid State Ion. 176, 73–80 (2005)
M. Vijayakumar, Q.N. Pham, C. Bohnke, J. Eur. Ceram. Soc. 25, 2973–2976 (2005)
T. Brousse, P. Fragnaud, R. Marchand, D.M. Schleich, O. Bohnke, K. West, J. Power Sources 68, 412–415 (1997)
N.K. Al-Shara, F. Sher, S.Z. Iqbal, Z. Sajid, G.Z. Chen, J. Energy Chem. 49, 33–41 (2020)
G. Qiao, Y. Hong, G. Song, H. Li, J. Ou, Sens. Actuators B Chem. 168, 172–177 (2012)
Y. Sun, P. Guan, Y. Liu, H. Xu, S. Li, D. Chu, Crit. Rev. Solid State Mater. Sci. 44, 265–282 (2018)
M. Vijayakumar, Y. Inaguma, W. Mashiko, M.P. Crosnier-Lopez, C. Bohnke, Chem. Mater. 16, 2719–2724 (2004)
W.B. Chang, M.C. Gyeong, Solid State Ion. 140, 285–292 (2001)
H. Geng, A. Mei, Y. Lin, C. Nan, Mater. Sci. Eng., B 164, 91–95 (2009)
D. Yuansheng, X. Jinfeng, N. Hongqiang, Z. Guohong, J. Danyu, L. Qiang, J. Ceram. Soc. Jpn. 125, 520–523 (2017)
S. Wennig, U. Langklotz, G.M. Prinz, A. Schmidt, B. Oberschachtsiek, A. Lorke, A. Heinzel, J. Appl. Electrochem. 45, 1043–1055 (2015)
F. LaMantia, C.D. Wessells, H.D. Deshazer, Y. Cui, Electrochem. Commun. 31, 141–144 (2013)
S. Joshi, S. Lanka, S. Ippolito, S. Bhargava, M. Sunkara, J. Mater. Chem. A. 4,16418–16431 (2016)
Funding
This work was supported by Strategic Priority Research Program of Chinese Academy of Sciences [grant number XDA22020604]. The funding source(s) was not involved in study design; in the collection, analysis and interpretation of data; in the writing of the report; and in the decision to submit the article for publication.
Author information
Authors and Affiliations
Corresponding author
Additional information
Publisher's Note
Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
Rights and permissions
About this article
Cite this article
Heng, Y., Wang, W., Li, Q. et al. All-solid-state reference electrode based on a solid-state electrolyte of high densified Lithium lanthanum titanium oxide (LLTO). J Electroceram 47, 23–30 (2021). https://doi.org/10.1007/s10832-021-00262-7
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s10832-021-00262-7