How are Argonne researchers working to reduce the costs associated with lithium-ion batteries?
Recognizing that the cost of lithium-ion batteries becomes more prohibitive on a large scale, Argonne researchers are: • Developing low-cost, long-life, flexible packaging for lithium-ion cells. This involves developing barrier layer materials that can reduce, to extremely low levels, the permeation of moisture and air into the cell and the permeation of electrolyte solvents out of the cell. Organoclays are being used to reduce the permeation rates of these species by several orders of magnitude through polymeric films that are chemically compatible with the cell environment. • Developing lower-cost cell component materials, such as coated or treated natural graphites for the anode, stabilized lithium manganese oxide materials for the cathode, alternative electrolyte salts, and propylene carbonate-based electrolyte systems.
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