journal article·2025-11-25Open access

Sintering science meets sustainability: a review of cold sintering process in solid-state electrolytes

Andrés Mormeneo-Segarra, Sergio Ferrer-Nicomedes, Nuria Vicente-Agut, Antonio Barba-Juan

Abstract

The global push for deep decarbonization by 2050 has accelerated energy storage development to address power intermittency. This review covers ceramic- and polymer-in-ceramic solid-state electrolytes obtained via the cold sintering process, which enables higher energy density and safety by replacing liquid electrolytes and supporting lithium-metal anodes. Cold sintering, at temperatures below 300 °C, provides fast densification with low environmental impact compared to traditional high-temperature sintering. It affects microstructure, phase stability, and ionic transport. Important applications include lithium and sodium solid electrolytes with notable density and conductivity. Challenges remain in material optimization, scaling, and integrating multifunctional designs for sustainable, high-performance batteries.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Molten salt chemistry and electrochemical processes · Advancements in Solid Oxide Fuel Cells · Thermal Expansion and Ionic Conductivity

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Chemical Engineering, Universitat Jaume I

Institute of Ceramic Technology, Universitat Jaume I

Funding

Conselleria de Innovación, Universidades, Ciencia y Sociedad Digital, Generalitat Valenciana · Universitat Jaume I · Generalitat Valenciana under Pla Complementari “Programa de Materials Avançats” · Ministerio de Ciencia e Innovación · Generalitat Valenciana through FPI

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