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Inorganic chemistry and energy storage for a better environment
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Structural Chemistry.ORCID iD: 0000-0003-4440-2952
2017 (English)Conference paper, Oral presentation with published abstract (Other academic)
Abstract [en]

There are many possibilities to suggest new materials for lithium-ion batteries (LIBs) and sodium-ion batteries (SIBs). LIBs are key components for electrification of road vehicles and dominate the market for portable electronics. They consist primarily of insertion compounds where lithium can enter the atomic inorganic host structure of both the negative and positive electrode, respectively. The positive electrode material is primarily the bottleneck for increasing the whole energy density of the LIB. The scientific literature is therefore full of descriptions of inorganic materials such as oxides, phosphates, silicates, sulfates, etc. for the positive electrode. The negative electrode is, however, dominated by carbonaceous materials where attempts to increase the amount of silicon can support the development of more energy dense batteries.

SIBs are similar to LIBs but with fewer options of insertion materials due to the larger sodium-ion. SIBs have recently become a flowering research topic due to the worry that there will be a shortage of lithium due to geopolitical reasons. Sodium can be found everywhere. This presentation will elaborate on the environmental aspects of how to choose the best inorganic compounds to enable recycling, low battery cost combined with high energy density without jeopardize the safety of the battery. Are these parameters even possible to combine in the same battery? The battery cells based on inorganic compounds are compared to those based on new ideas on making paper batteries with electronically/ionically conducting polymers and of organic batteries.

The idea is of the presentation is simply to give a review of the field and to show how knowledge in inorganic chemistry is vital for better batteries but also for a better environment. The examples are based on the long experience in this field obtained within the Ångström Advanced Battery Centre at Uppsala University. Different methods describing the dynamic processes going on during battery operation will be discussed.

Place, publisher, year, edition, pages
2017.
Keywords [en]
inorganic chemistry and energy storage
National Category
Inorganic Chemistry
Identifiers
URN: urn:nbn:se:uu:diva-337508OAI: oai:DiVA.org:uu-337508DiVA, id: diva2:1169876
Conference
Inorganic Chemistry Days
Funder
StandUpAvailable from: 2017-12-30 Created: 2017-12-30 Last updated: 2017-12-30

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