DataVXACS Applied Materials & InterfacesPaper
journal article·2020-12-09

Robust Strategy of Quasi-Solid-State Electrolytes to Boost the Stability and Compatibility of Mg Ion Batteries

Jianchao Sun, Yabing Zou, Shizhe Gao, Lianyi Shao, Chengcheng Chen

ACS Applied Materials & Interfaces· Volume 12· Issue 49
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Source abstract

Abstract

Magnesium ion batteries (MIBs) have attracted a lot of attention because of the natural abundance of magnesium, high volumetric energy density, and superior safety. Nevertheless, MIBs are still in their infancy because of the significant challenge in developing a suitable electrolyte with low flammability, high ionic conductivity, and compatibility with the Mg anode. Herein, we construct rechargeable quasi-solid-state MIBs based on tailored polymer electrolytes. The quasi-solid state electrolyte of poly(vinylidene fluoride-co-hexafluoropropylene)-nanosized SiO2–Mg(TFSI)2 combines the outstanding dynamic property of a liquid electrolyte and the good stability of a solid-state electrolyte. It exhibits a highly reversible Mg2+ deposition–dissolution capability, high ion conductivity (0.83 mS cm–1), and superior compatibility with the Mg metal and cathode. The quasi-solid-state MIBs with a layered titanic oxide cathode show a high reversible capacity of 129 mA h g–1 at 50 mA g–1 (150 W h kg–1) without any decay after 100 cycles.
Source: openalex_inverted_index · Quality: baseline

Research context

Energy storagePolymersNanomaterialsMaterials processing

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Advanced battery technologies research

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

Affiliations

School of Environment and Material Engineering, Yantai University, Yantai, 264005 Shandong, China

China Electronic Product Reliability and Environmental Testing Research Institute (CEPREI), Guangzhou 510610, China

School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, Guangdong, P. R. China

Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education) and Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, China

Funding

State Administration of Foreign Experts Affairs · Ministry of Education of the People's Republic of China · Ministry of Industry and Information Technology of the People's Republic of China · National Natural Science Foundation of China

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