Li-ion batteries: news, progress, history and background

Lux Reseach has just ranks the players in the lithium-ion battery markets on both sides of North Pacific. The strong winner is LG Chem Power, while Altair Nanotechnologies, International Battery, Valence, Ener1, and A123 are ranked as "Caution" and "Strong Caution." China is home to a number of top contenders. Although the list from Lux Research is not complete it shows strong competition on the market and suggest to make strong partnerships. Related articles Nanotubes, sulfur expand battery storage (go.theregister.com) Better lithium-ion batteries are on the way (sciencedaily.com) Superior Anode For Lithium-Ion Batteries Developed (tech.slashdot.org) Sulphur gives battery 10x more storage (holykaw.alltop.com) Revolutionary conducting polymer enables silicon use as next generation of lithium-ion battery anodes (physorg.com) A stretchy binder material can Boost Battery Storage by 30% (nextbigfuture.com)

New Patent Application: Electrode Having Solid Electrolyte Interface And Secondary Battery Using The Same Original Assignee :  LG Chem, Ltd. Application number : 13/043,722 Publication number : US 2011/0159378 A1 Filing date : Mar 9, 2011 from the abstract: Disclosed is an electrode having a solid electrolyte interface (SEI) film partially or totally formed on a surface thereof, the SEI film being formed by electrical reduction of a cyclic diester compound and a sulfinyl group-containing compound. Further, a secondary battery comprising the electrode is disclosed. from the climes: A secondary battery comprising a cathode , an anode and an electrolyte, wherein the electrolyte comprises an electrolyte salt and an electrolyte solvent, the electrolyte further comprising both a cyclic diester compound and a sulfinyl group-containing compound; and/or the cathode or the anode is the electrode having a solid electrolyte interface (SEI) film partially or ...