Why do we need new materials for high-energy battery chemistries?

As the demand for high-energy density devices increases, innovative new materials that build on the fundamental understanding of physical phenomena and structure–property relationships will be required to enable high-capacity next-generation battery chemistries.

What is the chemistry of a battery?

The chemistry of the battery you carry today is essentially unchanged from that of the Li-ion rechargeable batteries commercialized by Sony in the 1990s. While there have been advances in engineering and modifications of the materials used in each aspect of the battery, most battery performance metrics improve only 1 to 2% each year.

What is a battery made of?

2. Basic Battery Concepts Batteries are made of two electrodes involving different redox couples that are separated by an electronically insulating ion conducting medium, the electrolyte.

What are the applications of GNN in battery materials research?

With the continuous development of GNN, its application prospects in battery materials research will become increasingly expansive. Moreover, the combination of high-throughput experiments and ML can effectively achieve automated experimental design, online characterization, and fast parallel experimental data analysis.

How does the design of a battery affect its electrochemical performance?

The design of materials comprising the battery will profoundly affect its electrochemical performance. Traditional material preparation and synthesis mainly rely on the "intuition" of researchers. However, there are many alternative material systems, and the material synthesis process is complex with numerous parameters.

What are the components of a lithium ion battery?

Cells, one of the major components of battery packs, are the site of electrochemical reactions that allow energy to be released and stored. They have three major components: anode, cathode, and electrolyte. In most commercial lithium ion (Li-ion cells), these components are as follows: